Materials Understanding for Development of Next Generation Li-ion Battery Anodes

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ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (137 download)

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Book Synopsis Materials Understanding for Development of Next Generation Li-ion Battery Anodes by : Fuqun Grace Vasiknanonte

Download or read book Materials Understanding for Development of Next Generation Li-ion Battery Anodes written by Fuqun Grace Vasiknanonte and published by . This book was released on 2023 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Modern lithium-ion batteries rely on the anode material to contain the capacity of the battery safely and reliably for maximum rechargeability, but the current mode of operation cannot be sustained without new tools and material options as the need for improved fast charging capability increases. Traditional graphite has been able to fulfill demands in consumer electronics with smaller cell capacity, but with industrial automotive cell packs, the anode is limited in its volumetric and gravimetric capacity and highly susceptible to hazardous Li plating, especially at high charging rates. Key to addressing these problems will be industrially relevant strategies to enable new, higher capacity materials and practical characterization tools. This work aims to explore the relevant criteria and methods to develop a mechanically and chemically stable silicon anode through facile carbon coating and conversion techniques. Furthermore, with current understanding of anode volume expansion principles, a platform has been developed to probe the behaviors of pressure in informing long-term cell degradation. It is through this work that improved cycle life of bare silicon anode and reliable measurements of pressure can be achieved.

Functional Materials For Next-generation Rechargeable Batteries

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Publisher : World Scientific
ISBN 13 : 9811230684
Total Pages : 229 pages
Book Rating : 4.8/5 (112 download)

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Book Synopsis Functional Materials For Next-generation Rechargeable Batteries by : Jiangfeng Ni

Download or read book Functional Materials For Next-generation Rechargeable Batteries written by Jiangfeng Ni and published by World Scientific. This book was released on 2021-02-10 with total page 229 pages. Available in PDF, EPUB and Kindle. Book excerpt: Over-consumption of fossil fuels has caused deficiency of limited resources and environmental pollution. Hence, deployment and utilization of renewable energy become an urgent need. The development of next-generation rechargeable batteries that store more energy and last longer has been significantly driven by the utilization of renewable energy.This book starts with principles and fundamentals of lithium rechargeable batteries, followed by their designs and assembly. The book then focuses on the recent progress in the development of advanced functional materials, as both cathode and anode, for next-generation rechargeable batteries such as lithium-sulfur, sodium-ion, and zinc-ion batteries. One of the special features of this book is that both inorganic electrode materials and organic materials are included to meet the requirement of high energy density and high safety of future rechargeable batteries. In addition to traditional non-aqueous rechargeable batteries, detailed information and discussion on aqueous batteries and solid-state batteries are also provided.

Materials Design and Fundamental Understanding of Lithium Metal Anode for Next-generation Batteries

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ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (17 download)

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Book Synopsis Materials Design and Fundamental Understanding of Lithium Metal Anode for Next-generation Batteries by : Yayuan Liu

Download or read book Materials Design and Fundamental Understanding of Lithium Metal Anode for Next-generation Batteries written by Yayuan Liu and published by . This book was released on 2018 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Lithium batteries profoundly impact our society, from portable electronics to the electrification of transportation and even to grid−scale energy storage for intermittent renewable energies. In order to achieve much higher energy density than the state−of−the−art, new battery chemistries are currently being actively investigated. Among all the possible material choices, metallic lithium is the ultimate candidate for battery anode, thanks to its highest theoretical capacity. Therefore, after falling into oblivion for several decades due to safety concerns, metallic Li is now ready for a revival. In the first chapter, I introduce the working mechanisms and limitations of the state−of−the−art battery chemistries and provide an overview of promising new battery chemistries based on metallic lithium anode. The current status of lithium metal anode research is also comprehensively summarized. In the second chapter, I discuss one particular failure mode of metallic lithium anode that has long been overlooked by the battery community, which is the infinite relative volume change of the electrode during cycling. To tackle this problem, novel three−dimensional lithium metal−host material composite designs will be demonstrated. Chapter three focuses on further improving the electrochemical performance of three−dimensional lithium metal anodes with surface coatings. Two examples of lithium metal coatings are given, which have been demonstrated effective for protecting reactive lithium from parasitic reactions with liquid electrolytes and mechanically suppressing nonuniform lithium deposition morphology. Chapter four discusses how the physiochemical properties of the solid−electrolyte interphase, dictated by electrolyte composition, affect the electrochemical behavior of metallic lithium. A special electrolyte additive has been discovered to enable high efficiency lithium cycling in carbonate−based electrolytes used exclusively in almost all commercial lithium-ion batteries. Moreover, the mechanisms behind the improved performance have been studied based on the structure, ion−transport properties, and charge−transfer kinetics of the modified interfacial environment using advanced characterization techniques. In Chapter five, I explore a paradigm shift in designing solid−state lithium metal batteries based on three−dimensional lithium architecture and a flowable interfacial layer. The new design concept can be generally applied to various solid electrolyte systems and the resulting solid-state batteries are capable of high−capacity, high−power operations. In the final part of the dissertation, I present my perspectives and outlooks for the future research in this field. The commercialization of high−energy and safe batteries based on lithium metal chemistry requires continuous efforts in various aspects, including electrode design, electrolyte engineering, development of advanced characterization/diagnosis technologies, full−battery engineering, and possible sensor design for safe battery operation, etc. Ultimately, the combinations of various approaches might be required to make lithium metal anode a viable technology.

Computational Design of Battery Materials

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Publisher : Springer Nature
ISBN 13 : 3031473035
Total Pages : 589 pages
Book Rating : 4.0/5 (314 download)

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Book Synopsis Computational Design of Battery Materials by : Dorian A. H. Hanaor

Download or read book Computational Design of Battery Materials written by Dorian A. H. Hanaor and published by Springer Nature. This book was released on with total page 589 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Lithium-ion Batteries

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Publisher :
ISBN 13 : 9781536134971
Total Pages : 0 pages
Book Rating : 4.1/5 (349 download)

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Book Synopsis Lithium-ion Batteries by : Lana Castillo

Download or read book Lithium-ion Batteries written by Lana Castillo and published by . This book was released on 2018 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: This compilation begins by discussing Sn, Sb and Ge-based anodes. Various approaches for alleviating volume changes corresponding to each kind of anode are presented in regards to the last 20 years. Sn, Sb and Ge-based alloy-type anodes have attracted considerable research interest as promising candidates for next-generation LIBs due to their high theoretical capacities, suitable operating voltages and natural abundances. Next, the authors discuss the synthesis and application of Titanium dioxide (TiO2) based lithium-ion battery anodes. TiO2 has attracted considerable attention as a promising alternative lithium-ion battery anode. The evolution of studies on synthetic methods, performance improvement, and the size tuning strategy are thoroughly addressed. Following this, the book focuses on clarifying the mechanisms of lithium dendrite growth, the issues related to lithium dendrites, and the recent advances for technical solutions. To power electric vehicles, a minimum energy density of 300 Wh/kg is required. State-of-the-art LIBs are dominating portable electronics, but can only enable an energy density of 100-220 Wh/kg in practice to date. In this regard, metallic lithium is highly regarded as promising next-generation anodes, ascribed to its extremely high theoretical capacity of 3860 mAh/g versus 372 mAh/g of the commercial graphite anodes. Recent progress in the development of Si/Gn nanocomposite anodes for lithium-ion batteries is also studied. The synthetic routes and electrochemical performance of these nanomaterials and the underlying reaction mechanisms are systematically described. The authors maintain that more research efforts are needed for the widespread applications of such composite anodes in the future of lithium-ion batteries. Afterwards, the advanced ab initio atomistic thermodynamics approach for electrode materials in LIBs is formulated, which enables the resolution of the interfacial structure of an LIB electrode material in an electrochemical environment under (constrained) reaction conditions. This universal approach is outlined, using state-of-the-art electrode materials in LIBs, such as LTO or lithium cobaltite (LCO, LiCoO2) as examples.

Theoretical Study on Graphite and Lithium Metal as Anode Materials for Next-Generation Rechargeable Batteries

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Publisher : Springer Nature
ISBN 13 : 9811389144
Total Pages : 75 pages
Book Rating : 4.8/5 (113 download)

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Book Synopsis Theoretical Study on Graphite and Lithium Metal as Anode Materials for Next-Generation Rechargeable Batteries by : Gabin Yoon

Download or read book Theoretical Study on Graphite and Lithium Metal as Anode Materials for Next-Generation Rechargeable Batteries written by Gabin Yoon and published by Springer Nature. This book was released on 2022-07-08 with total page 75 pages. Available in PDF, EPUB and Kindle. Book excerpt: This thesis describes in-depth theoretical efforts to understand the reaction mechanism of graphite and lithium metal as anodes for next-generation rechargeable batteries. The first part deals with Na intercalation chemistry in graphite, whose understanding is crucial for utilizing graphite as an anode for Na-ion batteries. The author demonstrates that Na ion intercalation in graphite is thermodynamically unstable because of the unfavorable Na-graphene interaction. To address this issue, the inclusion of screening moieties, such as solvents, is suggested and proven to enable reversible Na-solvent cointercalation in graphite. Furthermore, the author provides the correlation between the intercalation behavior and the properties of solvents, suggesting a general strategy to tailor the electrochemical intercalation chemistry. The second part addresses the Li dendrite growth issue, which is preventing practical application of Li metal anodes. A continuum mechanics study considering various experimental conditions reveals the origins of irregular growth of Li metal. The findings provide crucial clues for developing effective counter strategies to control the Li metal growth, which will advance the application of high-energy-density Li metal anodes.

Low-Cost and Scalable Material Designs and Processes for Next-Generation Lithium-Ion Battery Anodes

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ISBN 13 :
Total Pages : 112 pages
Book Rating : 4.:/5 (116 download)

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Book Synopsis Low-Cost and Scalable Material Designs and Processes for Next-Generation Lithium-Ion Battery Anodes by : Jesse Adam Baucom

Download or read book Low-Cost and Scalable Material Designs and Processes for Next-Generation Lithium-Ion Battery Anodes written by Jesse Adam Baucom and published by . This book was released on 2020 with total page 112 pages. Available in PDF, EPUB and Kindle. Book excerpt: Modern human civilization depends on the production and utilization of vast quantities of energy. While innovations in technology are generally met with applause, discoveries over the potential catastrophic impacts of our current ways of generating energy on our climate and society have prompted worldwide efforts to mitigate these issues. Although environmentally-friendly and sustainable methods for electricity generation such as solar photovoltaic energy hold promise for solving our energy issues, a complete shift towards renewable energy would require the development of grid-scale energy storage systems due to the intermittent nature of such technology. In addition, the automotive industry is undergoing a complete transformation to electrification in efforts to reduce the environmental impact of vehicles and comply with increasingly stringent regulations, representing yet another urgent need for high-performance energy storage systems. Of all energy storage technologies for potentially enabling grid storage and electric vehicles, lithium-ion batteries are of particular interest due to their rechargeability, high energy and power densities, and energy efficiency. Although lithium-ion batteries are now widely used for a variety of applications, their prohibitively high cost has prevented their application in these crucial technologies. For specific applications such as electric vehicles and portable electronics, lithium-ion batteries have yet to achieve the energy and power density requirements necessary, posing additional barriers. On top of these obstacles, the commercial viability of lithium-ion batteries for these applications depends on the ability to scale up the production processes to satisfy the market need, creating yet another challenge for solving these important issues. While the development of high-capacity anode materials for lithium-ion batteries is a promising route towards enabling these applications, many of the novel designs for such materials are prohibitively expensive or difficult to scale, preventing them from achieving widespread market adoption. In this dissertation, we describe novel materials and processes for producing three high-capacity anode materials of great industry and academic interest: graphene, silicon, and lithium metal. First, we present a novel method for induction heating-mediated synthesis of freestanding anodes for improving the scalability of traditional chemical vapor deposition processes through reduced process downtimes while enabling higher energy and volumetric densities in lithium-ion batteries by virtue of the freestanding nature of the electrode design, reducing the mass and volume of electrochemically-inactive components. Next, we describe a method for the production of silicon/PVA/graphite composite anodes with long cycling life through the use of a 1-step ball milling method utilizing low-cost precursors for scalable production of high-capacity anode materials. Finally, we reveal a design for air-stable lithium metal hosts fabricated from a scalable powder metallurgic approach, which allows for the fabrication of high-performance lithium metal batteries compatible with existing infrastructure, circumventing the need for a high-cost assembly in an inert atmosphere.

Nanomaterials for Lithium-Ion Batteries

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Publisher : CRC Press
ISBN 13 : 9814364231
Total Pages : 452 pages
Book Rating : 4.8/5 (143 download)

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Book Synopsis Nanomaterials for Lithium-Ion Batteries by : Rachid Yazami

Download or read book Nanomaterials for Lithium-Ion Batteries written by Rachid Yazami and published by CRC Press. This book was released on 2013-10-08 with total page 452 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book covers the most recent advances in the science and technology of nanostructured materials for lithium-ion application. With contributions from renowned scientists and technologists, the chapters discuss state-of-the-art research on nanostructured anode and cathode materials, some already used in commercial batteries and others still in de

Nanostructured Materials for Next-Generation Energy Storage and Conversion

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Publisher : Springer Nature
ISBN 13 : 3662586754
Total Pages : 472 pages
Book Rating : 4.6/5 (625 download)

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Book Synopsis Nanostructured Materials for Next-Generation Energy Storage and Conversion by : Qiang Zhen

Download or read book Nanostructured Materials for Next-Generation Energy Storage and Conversion written by Qiang Zhen and published by Springer Nature. This book was released on 2019-10-10 with total page 472 pages. Available in PDF, EPUB and Kindle. Book excerpt: Volume 3 of a 4-volume series is a concise, authoritative and an eminently readable and enjoyable experience related to lithium ion battery design, characterization and usage for portable and stationary power. Although the major focus is on lithium metal oxides or transition metal oxide as alloys, the discussion of fossil fuels is also presented where appropriate. This monograph is written by recognized experts in the field, and is both timely and appropriate as this decade will see application of lithium as an energy carrier, for example in the transportation sector. This Volume focuses on the fundamentals related to batteries using the latest research in the field of battery physics, chemistry, and electrochemistry. The research summarised in this book by leading experts is laid out in an easy-to-understand format to enable the layperson to grasp the essence of the technology, its pitfalls and current challenges in high-power Lithium battery research. After introductory remarks on policy and battery safety, a series of monographs are offered related to fundamentals of lithium batteries, including, theoretical modeling, simulation and experimental techniques used to characterize electrode materials, both at the material composition, and also at the device level. The different properties specific to each component of the batteries are discussed in order to offer tradeoffs between power and energy density, energy cycling, safety and where appropriate end-of-life disposal. Parameters affecting battery performance and cost, longevity using newer metal oxides, different electrolytes are also reviewed in the context of safety concerns and in relation to the solid-electrolyte interface. Separators, membranes, solid-state electrolytes, and electrolyte additives are also reviewed in light of safety, recycling, and high energy endurance issues. The book is intended for a wide audience, such as scientists who are new to the field, practitioners, as well as students in the STEM and STEP fields, as well as students working on batteries. The sections on safety and policy would be of great interest to engineers and technologists who want to obtain a solid grounding in the fundamentals of battery science arising from the interaction of electrochemistry, solid-state materials science, surfaces, and interfaces.

Advanced Characterization and Modeling of Next Generation Lithium Ion Electrodes and Interfaces

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Publisher :
ISBN 13 :
Total Pages : 136 pages
Book Rating : 4.:/5 (115 download)

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Book Synopsis Advanced Characterization and Modeling of Next Generation Lithium Ion Electrodes and Interfaces by : Thomas Andrew Wynn

Download or read book Advanced Characterization and Modeling of Next Generation Lithium Ion Electrodes and Interfaces written by Thomas Andrew Wynn and published by . This book was released on 2020 with total page 136 pages. Available in PDF, EPUB and Kindle. Book excerpt: Lithium ion batteries have proven to be a paradigm shifting technology, enabling high energy density storage to power the handheld device and electric automotive revolutions. However relatively slow progress toward increased energy and power density has been made since the inception of the first functional lithium ion battery. Materials under consideration for next generation lithium ion batteries include anionic-redox-active cathodes, solid state electrolytes, and lithium metal anodes. Li-rich cathodes harness anionic redox, showing increased first charge capacity well beyond the redox capacity of traditional transition metal oxides, though suffer from severe capacity and voltage fade after the first cycle. This is in part attributed to oxygen evolution, driving surface reconstruction. Solid-state electrolytes (SSEs) offer the potential for safer devices, serving as physical barriers for dendrite penetration, while hoping to enable the lithium metal anode. The lithium metal naturally exhibits the highest volumetric energy density of all anode materials. Here, we employ simulation and advanced characterization methodologies to understand the fundamental properties of a variety of next generation lithium ion battery materials and devices leading to their successes or failures. Using density functional theory, the effect of cationic substitution on the propensity for oxygen evolution was explored. Improvement in Li-rich cathode performance is predicted and demonstrated through doping of 4d transition metal Mo. Next, lithium phosphorus oxynitride (LiPON), an SSE utilized in thin film batteries, was explored. LiPON has proven stable cycling against lithium metal anodes, though its stability is poorly understood. RF sputtered thin films of LiPON are examined via spectroscopic computational methods and nuclear magnetic resonance to reveal its atomic structure, ultimately responsible for its success as a thin film solid electrolyte. A new perspective on LiPON is presented, emphasizing its glassy nature and lack of long-range connectivity. Progress toward in situ methodologies for solid-state interfaces is described, and a protocol for FIB-produced nanobatteries is developed. Cryogenic methodologies are applied to a PEO/NCA composite electrode. Cryogenic focused ion beam was shown to preserve polymer structure and morphology, enabling accurate morphological quantification and preserving the crystallinity, as observed via TEM. Last, development of in situ solid-state interface characterization is discussed.

Towards Next Generation Energy Storage Technologies

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Publisher : John Wiley & Sons
ISBN 13 : 3527845305
Total Pages : 482 pages
Book Rating : 4.5/5 (278 download)

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Book Synopsis Towards Next Generation Energy Storage Technologies by : Minghua Chen

Download or read book Towards Next Generation Energy Storage Technologies written by Minghua Chen and published by John Wiley & Sons. This book was released on 2024-09-04 with total page 482 pages. Available in PDF, EPUB and Kindle. Book excerpt: Develop the clean technologies of the future with these novel energy storage technologies Energy storage is a crucial component of the broader battle to develop clean energy sources and transform the power grid in light of advancing climate change. Numerous new energy storage technologies based on electrochemical redox reactions have recently been developed or proposed, promising to reduce costs and enable energy-dense devices and applications of many kinds. This urgent work demands to be incorporated into chemistry, materials science, and industry at every level. Towards Next Generation Energy Storage Technologies offers a comprehensive overview of these novel technologies and their applications. Beginning with an introduction to the fundamentals of electrochemistry and energy storage, it offers current and future research questions, design strategies, and much more. It is a must-own for scientists and engineers looking to develop the energy grid of the future. Towards Next Generation Energy Storage Technologies readers will also find: Summaries of state-of-the-art research and open challenges Detailed discussion of technologies including lithium-ion batteries, all-solid-state batteries, aqueous multi-valence energy storage systems, and more Discussion of applications including electric vehicles, aerospace devices, and many others Towards Next Generation Energy Storage Technologies is ideal for materials scientists, inorganic chemists, electrochemists, electronics engineers, and anyone working on the clean energy grid or electrical devices.

Development of High Performance, Next-generation Li-ion Battery Electrode Materials

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Publisher :
ISBN 13 : 9781369656541
Total Pages : 111 pages
Book Rating : 4.6/5 (565 download)

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Book Synopsis Development of High Performance, Next-generation Li-ion Battery Electrode Materials by : Brennan James Campbell

Download or read book Development of High Performance, Next-generation Li-ion Battery Electrode Materials written by Brennan James Campbell and published by . This book was released on 2016 with total page 111 pages. Available in PDF, EPUB and Kindle. Book excerpt: As of late, there has been an increasing interest in research to characterize and develop a new generation of Li-ion electrode materials that exhibit Li storage performance that goes beyond the incumbent Li-ion chemistries, such as graphite and lithium cobalt oxide, or LCO. LCO, pioneered by Dr. John B. Goodenough in the 1980s, has prevailed as the most common Li-ion cathode for decades, serving as a relatively stable, energy dense intercalation material with a high operating voltage and specific energy of 3.6V (nominal) and 240 Wh/kg, respectively. As well, graphite has served as the most ubiquitous secondary battery anode for an even longer period of time. As a light, cheap and reliable material, the stacks of carbon sheets within graphite have acted as a robust host for lithium, allowing the Li ions to be inserted and removed for hundreds and thousands of cycles at a low voltage. The principle method of preparing these electrode materials has been though large-scale slurry-casting on to metal foils, calendaring, and winding into various form factors, such as cylindrical or pouch. The slurry is the term used for the suspension of active electrode material (powderized), conductive additive (nano-sized carbon), and a dissolved binder, which acts as an adhesive and/or thickening agent. While LCO and graphite have provided the energy density and power density needed to realized various technologies up until today, there is a need to push the boundaries of rechargeable chemistries in terms of energy density, rate capability (related to power density), and more sensible battery "sandwich" configurations and architectures. Three promising electrode systems for future Li-ion batteries that will improve these characteristics are sulfur cathodes, altered carbon anodes, and silicon-based anodes.

Development of Nanostructured Anode Materials to Mitigate Capacity Degradation for Next-generation Lithium-ion Batteries

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Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (119 download)

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Book Synopsis Development of Nanostructured Anode Materials to Mitigate Capacity Degradation for Next-generation Lithium-ion Batteries by : Weixin Song

Download or read book Development of Nanostructured Anode Materials to Mitigate Capacity Degradation for Next-generation Lithium-ion Batteries written by Weixin Song and published by . This book was released on 2019 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

Lithium Metal Anodes and Rechargeable Lithium Metal Batteries

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Publisher : Springer
ISBN 13 : 3319440543
Total Pages : 206 pages
Book Rating : 4.3/5 (194 download)

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Book Synopsis Lithium Metal Anodes and Rechargeable Lithium Metal Batteries by : Ji-Guang Zhang

Download or read book Lithium Metal Anodes and Rechargeable Lithium Metal Batteries written by Ji-Guang Zhang and published by Springer. This book was released on 2016-10-06 with total page 206 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides comprehensive coverage of Lithium (Li) metal anodes for rechargeable batteries. Li is an ideal anode material for rechargeable batteries due to its extremely high theoretical specific capacity (3860 mAh g-1), low density (0.59 g cm-3), and the lowest negative electrochemical potential (−3.040 V vs. standard hydrogenelectrodes). Unfortunately, uncontrollable dendritic Li growth and limited Coulombic efficiency during Li deposition/stripping inherent in these batteries have prevented their practical applications over the past 40 years. With the emergence of post Liion batteries, safe and efficient operation of Li metal anodes has become an enabling technology which may determine the fate of several promising candidates for the next generation energy storage systems, including rechargeable Li-air batteries, Li-S batteries, and Li metal batteries which utilize intercalation compounds as cathodes. In this work, various factors that affect the morphology and Coulombic efficiency of Li anodes are analyzed. The authors also present the technologies utilized to characterize the morphology of Li deposition and the results obtained by modeling of Li dendrite growth. Finally, recent developments, especially the new approaches that enable safe and efficient operation of Li metal anodes at high current densities are reviewed. The urgent need and perspectives in this field are also discussed. The fundamental understanding and approaches presented in this work will be critical for the applicationof Li metal anodes. The general principles and approaches can also be used in other metal electrodes and general electrochemical deposition of metal films.

Characterization of Next Generation Lithium-ion Battery Materials Through Electrochemical Spectroscopic and Neutron-based Methods

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Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (933 download)

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Book Synopsis Characterization of Next Generation Lithium-ion Battery Materials Through Electrochemical Spectroscopic and Neutron-based Methods by : Danny Xin Liu

Download or read book Characterization of Next Generation Lithium-ion Battery Materials Through Electrochemical Spectroscopic and Neutron-based Methods written by Danny Xin Liu and published by . This book was released on 2015 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Abstract: The development of a real-time quantification of Li transport using a non-destructive neutron method to measure the Li distribution upon charge and discharge in a Li-ion cell is reported here. Using in situ neutron depth profiling (NDP), we probed the onset of lithiation in high capacity Sn and Al anodes and visualized the enrichment of Li atoms on the surface which is followed by their propagation into the bulk. The de-lithiation process shows the removal of near surface Li, leading to a loss in coulombic efficiency assigned to trapped Li within the intermetallic material. In situ NDP developed in this work provides temporal and spatial measurement of Li transport within the battery material with exceptional sensitivity. Direct application of Fick's Laws allowed for the effective lithium diffusion coefficient to be calculated from the lithium concentration profiles. This diagnostic tool opens up possibilities of understanding rates of Li transport and their distribution to guide materials development for efficient storage mechanisms. In addition, in situ NDP was employed to explore the feasibility of utilizing Al as the anode current collector. The results indicate that an Al anode current collector can be employed as a strategy to improve energy density while reducing cost, provided that the surface of the Al is not in direct contact with Li+ or the voltage is limited to a value above the Al lithiation redox voltage. Our observations provide important mechanistic insights to the design of advanced battery materials.

Next Generation Batteries

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Publisher : Springer Nature
ISBN 13 : 9813366680
Total Pages : 580 pages
Book Rating : 4.8/5 (133 download)

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Book Synopsis Next Generation Batteries by : Kiyoshi Kanamura

Download or read book Next Generation Batteries written by Kiyoshi Kanamura and published by Springer Nature. This book was released on 2021-03-23 with total page 580 pages. Available in PDF, EPUB and Kindle. Book excerpt: In this book, the development of next-generation batteries is introduced. Included are reports of investigations to realize high energy density batteries: Li-air, Li-sulfur, and all solid-state and metal anode (Mg, Al, Zn) batteries. Sulfide and oxide solid electrolytes are also reviewed.A number of relevant aspects of all solid-state batteries with a carbon anode or Li-metal anode are discussed and described: The formation of the cathode; the interface between the cathode (anode) and electrolyte; the discharge and charge mechanisms of the Li-air battery; the electrolyte system for the Li-air battery; and cell construction. The Li-sulfur battery involves a critical problem, namely, the dissolution of intermediates of sulfur during the discharge process. Here, new electrolyte systems for the suppression of intermediate dissolution are discussed. Li-metal batteries with liquid electrolytes also present a significant problem: the dendrite formation of lithium. New separators and electrolytes are introduced to improve the safety and rechargeability of the Li-metal anode. Mg, Al, and Zn metal anodes have been also applied to rechargeable batteries, and in this book, new metal anode batteries are introduced as the generation-after-next batteries.This volume is a summary of ALCA-SPRING projects, which constitute the most extensive research for next-generation batteries in Japan. The work presented in this book is highly informative and useful not only for battery researchers but also for researchers in the fields of electric vehicles and energy storage.

Si and Si-based Anode Materials for Li-ion Batteries

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Publisher :
ISBN 13 :
Total Pages : 167 pages
Book Rating : 4.:/5 (56 download)

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Book Synopsis Si and Si-based Anode Materials for Li-ion Batteries by : Chuanqi Tao

Download or read book Si and Si-based Anode Materials for Li-ion Batteries written by Chuanqi Tao and published by . This book was released on 2009 with total page 167 pages. Available in PDF, EPUB and Kindle. Book excerpt: