Lithium antimony sulfide as a Li-conducting compound for coating thick coating layers in Li-metal batteries and for solid electrolytes in all-solid-state lithium batteries.
Lithium antimony sulfide compounds with specific crystal structures address safety and dendrite issues in lithium metal batteries by providing high conductivity and stability, enhancing battery safety and energy density.
Patent Information
- Authority / Receiving Office
- JP · JP
- Patent Type
- Patents
- Current Assignee / Owner
- TOYOTA JIDOSHA KK
- Filing Date
- 2022-02-15
- Publication Date
- 2026-06-02
AI Technical Summary
Existing lithium-ion batteries face safety risks due to flammable organic solvents and dendrite formation in lithium metal batteries, limiting their use in large-scale energy storage and requiring materials that provide high Li conductivity, chemical stability, and mechanical strength for lithium metal anodes without increasing internal resistance.
Development of lithium antimony sulfide compounds with specific crystal structures and doping, exhibiting high lithium-ion conductivity, used as protective coatings for lithium metal electrodes and solid electrolytes, allowing for thick coating layers that prevent dendrite penetration and enhance safety.
The lithium antimony sulfide compounds provide effective protection against dendrite growth, ensuring high Li conductivity and stability, enabling safer and more efficient lithium metal batteries with increased energy density.
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