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Meeting 2021 TMS Annual Meeting & Exhibition
Symposium High Temperature Electrochemistry IV
Presentation Title Molten Hydroxide Mediated Electrosynthesis of Layered Transition Metal Oxides for Electrochemical Energy Storage
Author(s) Arghya Patra, Paul V. Braun
On-Site Speaker (Planned) Arghya Patra
Abstract Scope Molten salt electrosynthesis is well developed at an industrial scale for the reduction of refractory elements and alloys. However, studies on multi-component systems grown by electrolytic oxidation are sparse. In this demonstration, we discuss a molten hydroxide mediated (LiOH, NaOH, KOH, CsOH and combinations thereof), intermediate temperature (250-350C) electrocrystallization of alkali ion (Li+, Na+) intercalated transition metal oxides (Li2MnO3, LiMnO2, LiNixMn1-xO4, LiCoO2, NaCoO2, NaMnO2) in the form of tens of microns thick films. We explore the effects of electrodeposition parameters and solvent chemistry to formulate synthesis diagrams and probe mechanistic pathways across different transition metal chemistries. The conformally electroplated oxides provide unique opportunities as binder-and-additive-free, energy-dense cathodes for Li and Na ion battery.
Proceedings Inclusion? Planned:
Keywords Electrometallurgy, Ceramics, Energy Conversion and Storage


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Effect of Hydroxide and Oxide Impurities in Electrochemical Processes Using Molten LiCl and CaCl2
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First-principles Molecular Dynamics and CALPHAD Modeling of the CaF2-MgF2-SiO2 Molten Salt System
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Investigation on Preparation of Fe-Al Alloys by Direct Reduction of Fe2O3-Al2O3 Powder in CaCl2-NaCl Molten Salt System
Liquid Bipolar Electrode for Extraction of Aluminium and PGM Concentrate from Spent Catalysts
Molten Hydroxide Mediated Electrosynthesis of Layered Transition Metal Oxides for Electrochemical Energy Storage
New Electrochemical Deoxidation Method of Ti Metal in Molten Salts Containing YCl3
Optimizing Reaction Selectivity in High Temperature Molten Electrolytes
Selective Extraction of Gold from Gold-copper Alloy Using Anodic Electrochemical Deposition in Molten Salt Electrolyte
Validated Modeling of Quartzite Reduction to Solar Silicon by Molten Salt Electrolysis

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