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Search indexed NASA NTRS and DOE OSTI research on propulsion, heat transfer, battery materials and energy systems. Follow report and document links to the original sources.
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Developing ?Really Cool? Low Temperature Molten Sodium Batteries.
Abstract not provided.
Experimental and Modeling Studies of Metal Halide Catholyte and Cathode Materials to Enable Low-temperature Molten Sodium Batteries.
Abstract not provided.
Understanding Electrochemical Processes in Molten Salt Catholytes for Low Temperature Molten Sodium Batteries.
Abstract not provided.
Low Temperature Molten Sodium Batteries for Long-Duration Energy Storage.
Abstract not provided.
Experimental and Modeling Studies of Metal Halide Catholyte and Cathode Materials to Enable Low-Temperature Molten Sodium Batteries .
Abstract not provided.
Low-temperature Molten Sodium Batteries for Large-Scale Storage: Fundamental Studies of Metal Halide Catholyte and Cathode Materials .
Abstract not provided.
Low-Temperature Molten Sodium Batteries for Large-Scale Storage: Fundamental Studies of Metal Halide Catholyte and Cathode Materials.
Abstract not provided.
Optimizing the Current Collector for Sodium Iodide-Metal Halide Catholytes in Low-Temperature Molten Sodium Batteries .
Abstract not provided.
Low Temperature Molten Sodium Batteries
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Development of High Performance Low Temperature Molten Sodium Batteries.
Abstract not provided.
Advancing Low Temperature Molten Sodium Batteries by Interfacial Engineering of Ceramic Electrolytes.
Abstract not provided.
Solid State Ion Conductors to Enable Low Temperature Molten Sodium Batteries.
Abstract not provided.
Development of a High-Voltage, Low Temperature Molten Sodium Battery .
Abstract not provided.
Tin-based ionic chaperone phases to improve low temperature molten sodium–NaSICON interfaces
High temperature operation of molten sodium batteries impacts cost, reliability, and lifetime, and has limited the widespread adoption of these grid-scale energy storage technologies. Poor charge transfer and high interfacial resistance between molten sodium and solid-state electrolytes, however, prevents the operation of molten sodium batteries at low temperatures. In this study, in situ formation of tin-based chaperone phases on solid state NaSICON ion conductor surfaces is shown in this work to greatly improve charge transfer and lower interfacial resistance in sodium symmetric cells operated at 110 °C at current densities up to an aggressive 50 mA cm –2 . It is shown that static wetting testing, as measured by the contact angle of molten sodium on NaSICON, does not accurately predict battery performance due to the dynamic formation of a chaperone NaSn phase during cycling. This work demonstrates the promise of sodium intermetallic-forming coatings for the advancement of low temperature molten sodium batteries by improved mating of sodium–NaSICON surfaces and reduced interfacial resistance.