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Japanese Researchers Develop Solid-State Sodium Battery
Researchers in inorganic chemistry at Japan's Osaka Prefecture University say they have developed a battery with a sodium electrode and all-solid components that functions at room temperature.
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Researchers in inorganic chemistry at Japan's Osaka Prefecture University say they have developed a battery with a sodium electrode and all-solid components that functions at room temperature.
The team says it was able to "dramatically enhance" ion conductivity in a solid sulfide electrolyte by crystalizing high-temperature cubic Na3PS4 (sodium tetrathiophosphate) from a glassy state. The group then successfully made all-solid-state sodium batteries using the powder-compressed glass-ceramic electrolyte.
The researchers hope their "superionic" glass-ceramic electrolyte will lead to a lower-cost replacement for lithium-ion batteries. The group published a technical paper on their work in Nature.com, a U.K.-based technical journal, which can be accessed HERE.
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