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Meeting 2018 TMS Annual Meeting & Exhibition
Symposium Phase Stability, Phase Transformations, and Reactive Phase Formation in Electronic Materials XVII
Presentation Title High-entropy Oxides Li(Ni0.2Mn0.2Co0.2Zn0.2Cu0.2)O2 as Cathode Materials for Lithium-ion Batteries
Author(s) Po-wei Huang, Ralph Nicolai Nasara, Shih-kang Lin
On-Site Speaker (Planned) Po-wei Huang
Abstract Scope Lithium-ion battery (LIB) is one of the most promising energy storage devices; however, its performance and ranges of application are still limited by the lack of cathode materials with satisfactory stability (safety), power density, and energy density. Among all the cathode materials, layered oxides offer the highest capacity but suffer from irreversible capacity fading after charge-discharge cycling. Enhancing phase stability of layered oxide cathode materials during charging and discharging is an emerging issue for next-generation LIBs. In this study, we introduce the concept of high-entropy effects into the layered oxide system, and examine the high-entropy effects that was previously observed and discussed only in alloy systems. A single phase high-entropy layered oxide Li(Ni0.2Mn0.2Co0.2Zn0.2Cu0.2)O2 is successfully synthesized using solid-state method. Material characterizations as well as electrochemical testing using CR2032 coin-type cells under a constant rate of 0.05C are performed.
Proceedings Inclusion? Planned: Supplemental Proceedings volume

OTHER PAPERS PLANNED FOR THIS SYMPOSIUM

A Phase-field Model on Electromigration-induced Transgranular Void Migration in Interconnects
Alloy Phase Stability under Electric Currents
Dissolution Kinetic of Ni Wire in Sn and Sn3.5Ag Solder
Effect of Ag Additives on Dissolution Kinetic of Cu Wire in Sn and Sn3.5Ag Solder
Effects of Electrochemical Parameters on the Physical Properties of Ni-Co Electroplating
Electric Current-induced Slip/Twin Transition: An In Situ EBSD Study
Electrochemical Etching of Solder Resist to Improve Adhesion of Electroless Copper Plating in PCB
Fabrication and Characterization of (111)-oriented and Nanotwinned Cu by Periodic Reverse Electrodeposition
Ga-doping Effect upon Sn-0.7Cu/Cu Interfacial Reactions and the Isothermal Section of Sn-Cu-Ga Ternary System
High-entropy Oxides Li(Ni0.2Mn0.2Co0.2Zn0.2Cu0.2)O2 as Cathode Materials for Lithium-ion Batteries
Inter-diffusion at Ag/Cu Interface
Interfacial Reaction Studies in SLID Bonding Processes Using Ga and In
Hide details for [<a href="/PM/PM.nsf/ApprovedAbstracts/7B7A9BA8C19DD3BE85258150001FB51F?OpenDocument">Interfacial Reactions beInterfacial Reactions between Lead-free Solders and Cu-xZn Alloys
[Replication or Save Conflict]
Interfacial Reactions in the Au/Sn/Ni/Cu Multilayer Couples
Liquidus Projection of Quaternary Ge-Sn-Co-Sb System and Thermoelectric Properties of Sn/Ge Doped Skutterudite CoSb3
Mechanical Properties of In-33.7Bi Alloy for Low Melting Temperature Solder
Microstructure and Optical Properties of Cr1-xAlxN Films Synthesized by Reactive Magnetron Sputtering
Microstructure Evolution due to Isothermal Reactive Diffusion between Solid Co and Liquid Sn
Microstructure Evolution of Al Wire Bonded on Cu Metallization under Electromigration Test
Minor P-doping in the Electroplated Co(P) Layer to Strongly Suppress IMC Formation in Lead-free Solder Joints
Nanoparticles and Nanowires Based on Ag and Cu in Printed Electronics and Transparent Electrode
On the Existence of a Two-phase Field in Binary α-Cu(Al) Solid Solutions
Phase Equilibria of the Li-Si-C System for Advanced Anodes in Li-ion Batteries
Predication of the Intrinsic Properties of Multi-component Electrodes for Li-ion Batteries from Aspect of Thermodynamics
Solid-solution Cu-to-Cu Interconnection Fabricated with Sub-micron Ga-based Pastes
Structural Stability and Chemical Reactivity of Nanoscale Twinning Structure in Copper Nanowires
The Electromigration Effect Revisited: An In Situ SEM and SR-based XRD Study
The Investigation of Electromigration Defects on Cu/Sn and Cu/Ag IMC due to Currents Stress and Temperature
The Role of Retained Structures in Phase Transition and Piezoelectric Properties of PMN-PT Single Crystals
The Study of Interfacial Reactions between Sn and C194 Alloy
Thermodynamic Stability Maps for the La0.6Sr0.4Co0.2Fe0.8O3▒δ–SO2–O2áSystem for Application in Solid Oxide Fuel Cells

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