In Situ Analytical Characterization of Interfacial Phenomena in All-Solid-State Lithium Ion Thin Film Batteries PDF Download
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Author: Ziying Wang
Publisher:
ISBN:
Category :
Languages : en
Pages : 152
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Book Description
Lithium ion batteries have become one of the most important rechargeable energy storage devices used in our modern society today. As the demand for such devices shift from portable electronics to electric vehicles and large scale storage in order to utilize energy sustainably, ever increasing energy densities both in terms of weight and volume are needed. To satisfy this demand, lithium ion batteries utilizing solid state electrolytes show promise of a new paradigm shift in energy storage technologies. The introduction of solid state electrolyte could, in principle, yield many advantages over conventional lithium ion batteries. Foremost, lithium metal can be used as the anode along with a high voltage cathode to boost energy density. Secondly, removal of flammable liquid electrolyte greatly improves the inherent safety of the battery. We focused on using Focused Ion Beam (FIB) nano-fabrication technique to prepare Transmission Electron Microscopy (TEM) samples of all-solid-state batteries produced through physical vapor deposition techniques. The particular full cell chemistry of lithium cobalt oxide (LiCoO2) as cathode, amorphous silicon (a-Si) as anode, and lithium phosphorus oxynitrdie (LiPON) as electrolyte was used for investigations. Through analysis of TEM images and electron energy loss spectroscopy (EELS), important interfacial phenomena were observed at the anode-electrolyte interface and the cathode-electrolyte interface. Overcharging of the anode resulted in accumulation of lithium at the anode-current collector interface and interdiffusion of phosphorus and silicon atoms at the anode-electrolyte interface. Furthermore, we developed a unique methodology using FIB fabrication techniques to prepare electrochemically active TEM samples of all-solid-state nanobatteries that can be galvanostatically charged in the FIB or TEM. This new methodology enabled in situ TEM observations of a previously undiscovered interfacial layer between the LiCoO2 cathode and LiPON electrolyte. This interfacial layer is composed of a highly disordered rocksalt like cobalt oxide phase that is oxidized and forms lithium oxide species during in situ charge. Additionally, electrochemically cycling at elevated temperatures (80 °C) causes further decomposition of the cathode layer decreasing the overall capacity and increasing interfacial impedance of the cell. These results indicate that proper engineering of electrode-electrolyte interface is essential for the performance of all-solid-state batteries.
Author: Ziying Wang
Publisher:
ISBN:
Category :
Languages : en
Pages : 152
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Book Description
Lithium ion batteries have become one of the most important rechargeable energy storage devices used in our modern society today. As the demand for such devices shift from portable electronics to electric vehicles and large scale storage in order to utilize energy sustainably, ever increasing energy densities both in terms of weight and volume are needed. To satisfy this demand, lithium ion batteries utilizing solid state electrolytes show promise of a new paradigm shift in energy storage technologies. The introduction of solid state electrolyte could, in principle, yield many advantages over conventional lithium ion batteries. Foremost, lithium metal can be used as the anode along with a high voltage cathode to boost energy density. Secondly, removal of flammable liquid electrolyte greatly improves the inherent safety of the battery. We focused on using Focused Ion Beam (FIB) nano-fabrication technique to prepare Transmission Electron Microscopy (TEM) samples of all-solid-state batteries produced through physical vapor deposition techniques. The particular full cell chemistry of lithium cobalt oxide (LiCoO2) as cathode, amorphous silicon (a-Si) as anode, and lithium phosphorus oxynitrdie (LiPON) as electrolyte was used for investigations. Through analysis of TEM images and electron energy loss spectroscopy (EELS), important interfacial phenomena were observed at the anode-electrolyte interface and the cathode-electrolyte interface. Overcharging of the anode resulted in accumulation of lithium at the anode-current collector interface and interdiffusion of phosphorus and silicon atoms at the anode-electrolyte interface. Furthermore, we developed a unique methodology using FIB fabrication techniques to prepare electrochemically active TEM samples of all-solid-state nanobatteries that can be galvanostatically charged in the FIB or TEM. This new methodology enabled in situ TEM observations of a previously undiscovered interfacial layer between the LiCoO2 cathode and LiPON electrolyte. This interfacial layer is composed of a highly disordered rocksalt like cobalt oxide phase that is oxidized and forms lithium oxide species during in situ charge. Additionally, electrochemically cycling at elevated temperatures (80 °C) causes further decomposition of the cathode layer decreasing the overall capacity and increasing interfacial impedance of the cell. These results indicate that proper engineering of electrode-electrolyte interface is essential for the performance of all-solid-state batteries.
Author: Nancy J Dudney
Publisher: World Scientific
ISBN: 9814651915
Category : Science
Languages : en
Pages : 835
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Book Description
Solid-state batteries hold the promise of providing energy storage with high volumetric and gravimetric energy densities at high power densities, yet with far less safety issues relative to those associated with conventional liquid or gel-based lithium-ion batteries. Solid-state batteries are envisioned to be useful for a broad spectrum of energy storage applications, including powering automobiles and portable electronic devices, as well as stationary storage and load-leveling of renewably generated energy. This comprehensive handbook covers a wide range of topics related to solid-state batteries, including advanced enabling characterization techniques, fundamentals of solid-state systems, novel solid electrolyte systems, interfaces, cell-level studies, and three-dimensional architectures. It is directed at physicists, chemists, materials scientists, electrochemists, electrical engineers, battery technologists, and evaluators of present and future generations of power sources. This handbook serves as a reference text providing state-of-the-art reviews on solid-state battery technologies, as well as providing insights into likely future developments in the field. It is extensively annotated with comprehensive references useful to the student and practitioners in the field.
Author: Jungwoo Lee
Publisher:
ISBN:
Category :
Languages : en
Pages : 164
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Book Description
Next generation lithium-ion batteries will take on a wide variety of roles to meet the increased requirements from growth in consumer electronics, electric vehicles, and utility storage for integrating intermittent renewable (solar and wind) power sources. The cost per watt-hour of commercial batteries have shown incremental improvement due to improved manufacturing design, though drastic increases in energy and power density are needed to satisfy projected demand. Solid-state electrolytes (SSE) are explored due to their potential to improve energy and power density through enabling alkali metal anodes, while mitigating safety and temperature stability concerns associated with conventional liquid electrolyte lithium-ion batteries. However, there are still significant scientific and engineering hurdles before the full potential of SSEs can be realized: primarily performance degradation from chemical and mechanical interfacial instability. We enable the use of solid-state thin film battery materials and devices as a model system for fundamental studies of bulk and interface properties because of their well-defined geometry and controlled chemical composition, eliminating any effects from polymeric binder or conductive agents. In this thesis, we explore the structural, mechanical, and electrochemical properties of thin film electrolytes amorphous lithium lanthanum titanate (a-LLTO) and lithium phosphorous oxynitride (LiPON) along with the fabrication of thin film batteries with various electrode chemistries. Using these devices we develop focused ion beam (FIB) as a technique to fabricate electrochemically active nanobatteries that enables in situ analysis in a FIB or transmission electron microscope (TEM) to couple local structural, morphological, and chemical phenomena. Further, one key advantage of SSEs is the potential to use a lithium metal anode. However, characterization of Li and Li/electrolyte interfaces is limited due to its intrinsic high chemical reactivity, low thermal stability, and low atomic number, making it prone to contamination and melting. Therefore, we demonstrate the ability of cryogenic focused ion beam (cryo-FIB) to process and characterize electrochemically deposited Li and Li metal based solid-state thin film devices.
Author: Veronica Palomares
Publisher: Frontiers Media SA
ISBN: 2832526411
Category : Technology & Engineering
Languages : en
Pages : 127
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Book Description
Battery material research has been one of the major areas of study in the last ~30 years due to the huge impact of battery technology in our daily lives. Both the discovery of new materials and their electrochemical optimization requires an in-depth and fundamental understanding of the composition and structure at different length scales. Local, long-range structure, polymorphism, microstructure, composite formulation and nanoscale engineering all contribute to a materials innate ability to deliver the best performance as an electrode in a battery. Importantly, the evolution of all these components during battery function determine essentially all the pertinent battery characteristics such as lifetime and energy storage density. For these reasons, it is critical to determine materials structure at various length scales, in order to be able to predict or understand their properties and propose changes to improve their electrochemical behavior. In this sense, conventional characterization techniques of the material itself are very useful in the first stages of research but, in many cases, the use of in-situ or in operando characterization techniques provides a unique way of understanding materials performance or evolution during battery operation. The challenge becomes greater in terms of experimental design because these techniques involve devising and fabricating specific electrochemical cells that fulfill the requirements of the technique but deliver electrochemical performance akin to a real-life device.
Author: Nithyadharseni Palaniyandy
Publisher: Springer Nature
ISBN: 3031124707
Category : Technology & Engineering
Languages : en
Pages : 298
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Book Description
This book offers a comprehensive analysis of novel design strategies in higher energy solid-state lithium batteries. It describes synthesis and experimental techniques to characterize the physical, chemical and electrochemical properties of the electrode and electrolytes. The book reports on electrochemical measurements of conductivity and related parameters in solid electrolytes and its interfaces. It also presents various technologies that have been used for the fabrication of all-solid-state lithium-ion batteries such as thin-film, 3D printing (additive manufacturing) and atomic layer deposition. A large part of the text focus on the description on the complete functioning and challenges with the electrochemistry of the electrodes and solid electrolyte interfaces. The book also supplies valuable insight into potential growth opportunities in this exciting market and cost-effective design tactics in solid-state assemblies.
Author: Joseph Woicik
Publisher: Springer
ISBN: 3319240439
Category : Science
Languages : en
Pages : 576
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Book Description
This book provides the first complete and up-to-date summary of the state of the art in HAXPES and motivates readers to harness its powerful capabilities in their own research. The chapters are written by experts. They include historical work, modern instrumentation, theory and applications. This book spans from physics to chemistry and materials science and engineering. In consideration of the rapid development of the technique, several chapters include highlights illustrating future opportunities as well.
Author: Nini Pryds
Publisher: Elsevier
ISBN: 0081017529
Category : Technology & Engineering
Languages : en
Pages : 562
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Book Description
Metal Oxide-Based Thin Film Structures: Formation, Characterization and Application of Interface-Based Phenomena bridges the gap between thin film deposition and device development by exploring the synthesis, properties and applications of thin film interfaces. Part I deals with theoretical and experimental aspects of epitaxial growth, the structure and morphology of oxide-metal interfaces deposited with different deposition techniques and new developments in growth methods. Part II concerns analysis techniques for the electrical, optical, magnetic and structural properties of thin film interfaces. In Part III, the emphasis is on ionic and electronic transport at the interfaces of Metal-oxide thin films. Part IV discusses methods for tailoring metal oxide thin film interfaces for specific applications, including microelectronics, communication, optical electronics, catalysis, and energy generation and conservation. This book is an essential resource for anyone seeking to further their knowledge of metal oxide thin films and interfaces, including scientists and engineers working on electronic devices and energy systems and those engaged in research into electronic materials. Introduces the theoretical and experimental aspects of epitaxial growth for the benefit of readers new to the field Explores state-of-the-art analysis techniques and their application to interface properties in order to give a fuller understanding of the relationship between macroscopic properties and atomic-scale manipulation Discusses techniques for tailoring thin film interfaces for specific applications, including information, electronics and energy technologies, making this book essential reading for materials scientists and engineers alike
Author: Christian Julien
Publisher: Springer Science & Business Media
ISBN: 9780792366508
Category : Technology & Engineering
Languages : en
Pages : 658
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Book Description
A lithium-ion battery comprises essentially three components: two intercalation compounds as positive and negative electrodes, separated by an ionic-electronic electrolyte. Each component is discussed in sufficient detail to give the practising engineer an understanding of the subject, providing guidance on the selection of suitable materials in actual applications. Each topic covered is written by an expert, reflecting many years of experience in research and applications. Each topic is provided with an extensive list of references, allowing easy access to further information. Readership: Research students and engineers seeking an expert review. Graduate courses in electrical drives can also be designed around the book by selecting sections for discussion. The coverage and treatment make the book indispensable for the lithium battery community.
Author: Jiexi Wang
Publisher: Frontiers Media SA
ISBN: 2889459772
Category :
Languages : en
Pages : 460
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Book Description
Author: Jian Li
Publisher: Springer Nature
ISBN: 9819716748
Category :
Languages : en
Pages : 366
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Book Description
