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Meeting 2017 TMS Annual Meeting & Exhibition
Symposium High Temperature Electrochemistry III
Presentation Title Electrochemical Behavior of Sn/SnCl2 Cathode in Na | NaCl-AlCl3-SnCl2 | Sn Cell
Author(s) Takanari Ouchi, Raku Watari, Donald Sadoway
On-Site Speaker (Planned) Takanari Ouchi
Abstract Scope A key area of research in molten salt batteries is to reduce the operating temperature. One molten salt system known to operate at low temperatures is the ZEBRA battery utilizing Na as the anode, Ni/NiCl2 as the cathode, and beta-alumina and molten NaCl-AlCl3 as the electrolyte. In this cell, the formation of solid NiCl2 upon charging inhibits the mass transport, hence limits the kinetics of charge/discharge processes and the utilization of active components. To address this issue, we investigated the validity of a liquid Sn/SnCl2 as the cathode. In this work, the diffusion coefficient of Sn ion and the exchange current density of Sn/Sn2+ redox reaction in a molten NaCl-AlCl3-SnCl2 electrolyte were evaluated. As a result, the liquid Sn/SnCl2 cathode is found to have suitably fast kinetics, which potentially enables a hypothetical Na | NaCl-AlCl3-SnCl2 | Sn cell with high power and energy densities at low operating temperature.
Proceedings Inclusion? Planned: Supplemental Proceedings volume

OTHER PAPERS PLANNED FOR THIS SYMPOSIUM

Effects of Oxide Precursor Preparation Parameters on the Electrochemical Reduction of Tantalum Pentoxide in Calcium Chloride Melt
Electrochemical and Thermodynamic Properties of Gadolinium Chloride in LiCl-KCl Eutectic Salt
Electrochemical Behavior of Sn/SnCl2 Cathode in Na | NaCl-AlCl3-SnCl2 | Sn Cell
Electrochemical Deposition of Barium into Liquid Bismuth from BaCl2-LiCl-CaCl2-NaCl Electrolyte
Electrochemical Synthesis of TaC in Molten Salt
Electrochemical Techniques for Nuclear Safeguards in Molten Salt
Electrochemistry in Molten 2LiF-BeF2 Salt for the Fluoride Salt-Cooled High Temperature Reactor Applications
Impurity Removal from Titanium Oxycarbide
Initial Operation of Kg-Scale Electrolytic Reduction and Salt Distillation Equipment for the Pyroprocessing of Uranium Oxide in a Hot Cell
Molten Flux Design for Solid Oxide Membrane Based Electrolysis of Si from Silica
Optimized Voltammetry Methods for Measuring Concentration of Multiple Rare Earths and Actinides in Molten LiCl-KCl
Thermal Imaging Furnace Technique for Ultra-high Temperature Electrochemical Measurements
Thermochemical Properties of Barium-Bismuth Alloys Determined by Emf Measurements
Thorium and Uranium Electrodeposition from Molten LiCl-KCl onto Alpha Spectroscopy Semiconductor Detector Surface
Zirconium Management in the Mk-IV Electrorefiner

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