摘要:
A new battery configuration and process are detailed. The battery cell includes a solid electrolyte configured with an engineered metallization layer that distributes sodium across the surface of the electrolyte extending the active area of the cathode in contact with the anode during operation. The metallization layer enhances performance, efficiency, and capacity of sodium batteries at intermediate temperatures at or below about 200° C.
摘要:
A metal-air battery is disclosed. The battery includes a sodium anode and an air cathode. The battery further includes a solid electrolyte. The sodium anode may be a molten sodium anode, and the solid electrolyte may be a beta alumina solid electrolyte. The battery has an operating temperature between 100° C. and 200° C.
摘要:
A new battery configuration and process are detailed. The battery cell includes a solid electrolyte configured with an engineered metallization layer that distributes sodium across the surface of the electrolyte extending the active area of the cathode in contact with the anode during operation. The metallization layer enhances performance, efficiency, and capacity of sodium batteries at intermediate temperatures at or below about 200° C.
摘要:
A dense β″-alumina/zirconia composite solid electrolyte and process for fabrication are disclosed. The process allows fabrication at temperatures at or below 1600° C. The solid electrolytes include a dense composite matrix of β″-alumina and zirconia, and one or more transition metal oxides that aid the conversion and densification of precursor salts during sintering. The composite solid electrolytes find application in sodium energy storage devices and power-grid systems and devices for energy applications.
摘要:
A new compliant polymer seal and process for sealing sodium conducting energy storage devices and batteries are disclosed. Compliant polymer seals become viscous at the operation temperature which seals cathode and anode chambers and other components together following assembly. Seals can accommodate thermal expansion mismatches between selected components during operation.
摘要:
Electrochemical energy storage devices having a metal anode and a solid-state, metal-ion exchange membrane and are characterized by an interfacial layer between the anode and the membrane, wherein the interfacial layer is a solid solution comprising the metal anode and a metallic interfacial conducting agent.
摘要:
A solid-state lithium ion battery is disclosed. The battery includes an anode containing an anode active material. The battery also includes a cathode containing a cathode active material. The battery further includes a solid-state electrolyte material. The electrolyte material contains a salt or salt mixture with a melting point below approximately 300 degrees Celsius. The battery has an operating temperature of less than about 80 degrees Celsius.