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Meeting 2017 TMS Annual Meeting & Exhibition
Symposium Advanced Materials for Energy Conversion and Storage
Presentation Title Inelastic Shape Changes of Silicon Particles and Stress Evolution at Binder/Particle Interface in a Composite Electrode during Lithiation/Delithiation Cycling
Author(s) Siva Nadimpalli, Vivek Shenoy, Hailong Wang
On-Site Speaker (Planned) Siva Nadimpalli
Abstract Scope Stress evolution in Si-binder composite was modeled using diffusion induced stress framework available in finite element software. A simple model that contains two spherical Si particles with and without the polymer binder film was considered. The particles were lithiated/delithiated at two different rates: one representing a slow charging case which results in a uniform Li concentration throughout the Si particles and the other representing a fast charging condition which results in non-uniform lithium concentration within the spherical Si particles. The inelastic shape changes and associated contact forces predicted by the model are qualitatively consistent with experimental data. Further, the effect of binder mechanical properties and the binder fraction on the stress evolution was calculated. The proposed model, although simple, can guide a battery design engineer to choose a proper binder, charge/discharge strategy, and binder fraction for a durable electrode design.
Proceedings Inclusion? Planned: Stand-alone book in which only your symposium’s papers would appear (indicate title in comments section below)

OTHER PAPERS PLANNED FOR THIS SYMPOSIUM

A Multi-Scale Approach to Li-Ion Battery Analysis Using 2D, 3D, and 4D Microscopy
Atomistic Simulations of Ionic Liquid and Polymer Electrolytes: From Bulk Phases to Interfacial Behavior
Challenges and Opportunities for Rechargeable Magnesium Batteries
Chemomechanics in Li-ion batteries
Computational Design of the Nanostructure of CNT-encapsulated-S Cathodes
Cotton-textile-enabled Flexible Energy Storage Devices
D-1: Perylene Polyimides-based Cathode Materials for High-capacity and Long-cycle Secondary Lithium-ion Batteries
D-2: Tunable Oxygen-deficient Li4Ti5O12 Structure for High-performance Rechargeable Li-ion Batteries
Defect Engineering of Li4Ti5O12 Anode with Enhanced Electrochemical Properties for Li Ion Batteries by Thermal Reduction
Direct Electrodeposition of High Performance Solid and Mesostructured Li-ion Cathodes and Anodes
Durability and Reliability of Materials and Components for Solid-Oxide Fuel Cells
Elastic-Anelastic-Inelastic Boundaries in Materials for High Temperature Applications
Electrocatalysis Approach to Lithium Sulfur Batteries
Electrospun Separators for Structural Battery Applications
First Principles Simulations of Lithium Ion Transport through Graphite/Electrolyte Interfaces
Free the Electron: Mitigating Polaronic Bottlenecks in Cathode Materials
High Energy Density Lithium Ion Battery Based on Li2O Activation
Importance of Flaws to the Reliability of MMA Substrates
In-situ X-Ray Diffraction Analysis of Li-ion Battery Materials
Increasing Ionic Conductivity with Highly Ionizing Radiation
Inelastic Shape Changes of Silicon Particles and Stress Evolution at Binder/Particle Interface in a Composite Electrode during Lithiation/Delithiation Cycling
Mapping the Kinetic Modes of Phase Transformation in Intercalation Compounds
Mechanical Degradation and Optimization of Solid Electrolyte Interphases in Li Ion Batteries
Mesoscale Probing of Transport-Interface Interaction in Lithium-Ion Battery Electrodes
Monodisperse Titanium-based Perovskite Colloidal Nanocrystals for Application in Flexible Electronics
Multifunctional Graphene-based Hybrid Nanomaterials for Renewable Energy
Nanoscale Characterization of Li-ion Battery Cathodes Using Atom Probe Tomography and Correlative Microscopy
Nanoscale Electrochemistry with In Situ Transmission Electron Microscopy
Novel Three Dimensional Porous Sn-Sb-Ni Anode on Ni Foam: Electrodeposition Synthesis and Lithium Storage Performance
Operando Structural and Chemical Characterization during Li-ion Battery Cycling
Phase Field Studies of Mechanical and Electrochemical Behavior of Li-ion Battery Electrode Materials
Precision High Temperature Elasticity Studies of Novel Ceramics
Preparation and Characterization of Eupatorium Adenophorum-derived Activated Carbon by Microwave-heating KOH and K2CO3 Activation
Pressure-induced Phase Transformation in Xenotime Rare-earth Orthophosphates
Quantifying Alloy and Coating Degradation Mechanisms for Energy-Related Applications
Stabilization of Layered Battery Electrodes through Chemical Pre-intercalation of Inorganic Ions
Stable Li-Sn Electrode
Studying Transport Mechanisms of Li in Graphite Polycrystals via Atomistic Simulations
Suppressing Dendrite Growth in High Energy Density Batteries through Anisotropic Transport
Synthesis and Characterization of Spinel Copper Cobalt Oxide Catalyst for Oxygen Evolution Reaction(OER) in Anion Exchange Membrane Electrolyzer
Synthesis and Processing of NaSICON/Polymer Membranes
Towards The Development of Solid-State Batteries: Addressing the Challenges in Replacing Liquid with Solid Electrolytes and Enabling Li Metal Anodes
Understanding the Disordered Structure in Energetic Ion Radiation Induced Fast Ion Conducting Nanofibers
Utilization of Silver Nanowires in Supercapacitors
Young's Modulus and Poisson's Ratio Changes in Machined Porous Microcracked Cordierite

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