On the Electro-Chemo-Mechanical Coupling in Solid State Batteries and its Impact on Morphological Interface Stability PDF Download
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Author: Ganser, Markus
Publisher: KIT Scientific Publishing
ISBN: 3731510472
Category : Technology & Engineering
Languages : en
Pages : 272
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Book Description
Solid state batteries with a lithium metal electrode are considered the next generation of high energy battery technology. Unfortunately, lithium metal is prone to harmful protrusion or dendrite growth which causes dangerous cell failure. Within this work the problem of protrusion growth is tackled by deriving a novel electro-chemo-mechanical theory tailored for binary solid state batteries which is then used to discuss the impact of mechanics on interface stability by numerical studies.
Author: Ganser, Markus
Publisher: KIT Scientific Publishing
ISBN: 3731510472
Category : Technology & Engineering
Languages : en
Pages : 272
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Book Description
Solid state batteries with a lithium metal electrode are considered the next generation of high energy battery technology. Unfortunately, lithium metal is prone to harmful protrusion or dendrite growth which causes dangerous cell failure. Within this work the problem of protrusion growth is tackled by deriving a novel electro-chemo-mechanical theory tailored for binary solid state batteries which is then used to discuss the impact of mechanics on interface stability by numerical studies.
Author: Christian Julien
Publisher: Springer Science & Business Media
ISBN: 146152704X
Category : Science
Languages : en
Pages : 577
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Book Description
The field of solid state ionics is multidisciplinary in nature. Chemists, physicists, electrochimists, and engineers all are involved in the research and development of materials, techniques, and theoretical approaches. This science is one of the great triumphs of the second part of the 20th century. For nearly a century, development of materials for solid-state ionic technology has been restricted. During the last two decades there have been remarkable advances: more materials were discovered, modem technologies were used for characterization and optimization of ionic conduction in solids, trial and error approaches were deserted for defined predictions. During the same period fundamental theories for ion conduction in solids appeared. The large explosion of solid-state ionic material science may be considered to be due to two other influences. The first aspect is related to economy and connected with energy production, storage, and utilization. There are basic problems in industrialized countries from the economical, environmental, political, and technological points of view. The possibility of storing a large amount of utilizable energy in a comparatively small volume would make a number of non-conventional intermittent energy sources of practical convenience and cost. The second aspect is related to huge increase in international relationships between researchers and exchanges of results make considerable progress between scientists; one find many institutes joined in common search programs such as the material science networks organized by EEC in the European countries.
Author: Sean R. Bishop
Publisher: Springer
ISBN: 3319514075
Category : Technology & Engineering
Languages : en
Pages : 197
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Book Description
This book brings together a collection of chapters that focus on the relationship among electrical, chemical, and mechanical properties and the study of adjusting one property through the control of another, namely, Electro-Chemo-Mechanics (ECM). The authors examine how this relationship can result in beneficial properties, such as mixed ionic and electronic conductivity, in oxides, upon oxygen deficiency or lithium insertion (electro-chemo) and/or changes in ionic and electronic mobility observed in strained systems (electro-mechano). They also consider how ECM interactions can be responsible for large stresses from non-stoichiometry induced lattice dilation (chemo-mechano). While many volumes are available devoted to the study of the origins and characteristics of electro-chemical relationships, they form the well-known field of electrochemistry, this volume is highly novel in its examination of the corresponding electro-mechanical, chemo-mechanical, and electro-chemo-mechanical relationships. The book is ideal for researchers and design engineers interested in energy storage and conversion and the electrical and mechanical properties of materials.
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: Tushar Swamy
Publisher:
ISBN:
Category :
Languages : en
Pages : 115
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Book Description
Inorganic solid-state electrolytes (SSEs) could replace flammable liquid electrolytes and improve the safety of Li-ion batteries. Furthermore, these SSEs could enable metal anodes, providing a significant improvement in cell-level energy density compared to the state-of-the-art. Recent improvements in the ionic conductivity of ceramic SSEs have invigorated commercial interest, prompting investigations into SSE/electrode interfacial properties. However, these investigations have revealed several challenges preventing the widespread adoption of all-solid-state Li-ion batteries. SSEs experience Li dendrite propagation and short circuit above a critical current density, similar to liquid electrolytes. While the pathways for Li penetration through a ceramic SSE such as grain boundaries and surface pores have been identified, the Li penetration mechanism is unclear. In addition, most SSEs experience detrimental redox reactions at the Li anode and 4 V cathode interface. The interfacial redox behavior of inorganic SSEs isn't well understood and requires further investigation. This thesis investigates the Li penetration mechanism into sulfide-based amorphous and polycrystalline SSEs, and garnet oxide-based single-crystal and polycrystalline SSEs. It also investigates the electrochemical redox behavior of sulfide-based SSEs. Experimental results show that Li can penetrate into single crystal SSEs devoid of grain boundaries and surface pores. Above a critical current density, the mechanical stress at a critically-sized Li-filled flaw tip at the SSE surface can breach the SSE fracture stress to initiate and propagate a crack through which Li penetrates the SSE, until a short circuit occurs. An electrochemo- mechanical model based on the Griffith theory of brittle ceramic fracture was developed, which relates the SSE fracture stress to SSE fracture toughness and surface flaw size. Experimental determination of the fracture toughness of sulfide-based SSEs revealed that these SSEs are compliant yet significantly more brittle than oxide-based SSEs. In addition, a cyclic-voltammetry based technique was developed to show that a sulfide-based SSE electrochemically decomposes to produce a redox-active interphase at the SSE/electrode interface. This is unlike in case of liquid electrolytes which decompose into an electrochemically irreversible interphase.
Author: Daniel Brandell
Publisher: Walter de Gruyter GmbH & Co KG
ISBN: 1501514903
Category : Technology & Engineering
Languages : en
Pages : 236
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Book Description
Recent years has seen a tremendous growth in interest for solid state batteries based on polymer electrolytes, with advantages of higher safety, energy density, and ease of processing. The book explains which polymer properties guide the performance of the solid-state device, and how these properties are best determined. It is an excellent guide for students, newcomers and experts in the area of solid polymer electrolytes.
Author: Sooraj Narayan
Publisher:
ISBN:
Category :
Languages : en
Pages : 0
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Book Description
In several solid systems, including batteries and various electrochemically-based actuators, charged ions are transported across a solid host material under the influence of electric fields and concentration gradients, which can cause local volumetric expansion and contraction. Since stresses and strains are transmitted very effectively in solids, the chemical expansion leads to significant stress generation in the host material. These stresses also influence the movement of ions, and thus electrochemistry and mechanics are highly coupled in such systems. The overarching theme of this thesis is the theoretical formulation and numerical simulation of such systems. This thesis is divided into two major parts: Part 1. All-solid-state lithium metal batteries: While all-solid-state batteries, which use solid electrolytes (SE), are safer than conventional liquid electrolyte based systems, they are currently plagued by major challenges leading to cell failure, such as lithium filament growth through the SE, fracture of the SE, and decohesion of the anode and the SE. In order to aid and advance our understanding of the mechanisms that lead to these various modes of failure, we have mathematically modeled the electrodeposition and attendant large viscoplastic deformation of lithium at the anode-SE interface of an all-solid-state lithium metal battery (ASSLMB). Through numerical finite-element implementation of our model, we have studied the deleterious effects of plating-and-stripping of lithium around interfacial chemical or mechanical defects in ASSLMBs. Our simulations reveal the role of charging/discharging current levels, cell stack pressure, and other mechanical constraints of the system on possible failure mechanisms of such cells. Part 2. Polyelectrolyte polymers: Ionizable polymeric gels which mechanically respond to electrostatic/chemical stimuli are useful in artificial muscles, artificial skin, and drug delivery applications (among others). We have formulated a thermodynamically-consistent, fully-coupled, theoretical electro-chemo-mechanical framework accounting for large deformations, electrostatic influence on charged species, and simultaneous cross-diffusional transport of multiple mobile species. We have suitably specialized this general framework to model: (i) ionic polymer-metal composites, (ii) ionotronic devices, and (iii) polyelectrolyte gels. Using the finite-element simulation capabilities that we developed for each case, we have successfully validated our models against experiments from the literature. We also show many applications of these materials in technologically-relevant actuators, which demonstrate the utility of our numerical modeling capabilities as a tool for designing ionotronic devices and electro-chemo-mechanical actuators.
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: César A.C. Sequeira
Publisher: Springer Science & Business Media
ISBN: 9789024732364
Category : Science
Languages : en
Pages : 614
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Book Description
Proceedings of the NATO Advanced Study Institute on Solid State Batteries, Alcabideche, Portugal, September 2-14, 1984
Author: Raimund Koerver
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Book Description
