Use of cobalt vanadium sulfides in potassium ion batteries or lithium sulfur batteries
By modifying Ti3C2TxMXene with cobalt vanadium sulfide, the problems of limited application scenarios and stability of cobalt vanadium sulfide in potassium-ion batteries and lithium-sulfur batteries are solved. This results in high-efficiency anode materials and separator modification layers, suitable for stable and efficient operation of potassium-ion batteries and lithium-sulfur batteries.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- ZHEJIANG SCI-TECH UNIV
- Filing Date
- 2026-05-06
- Publication Date
- 2026-07-17
AI Technical Summary
Cobalt vanadium sulfide has limited applications in potassium-ion and lithium-sulfur batteries. It is prone to pulverization and has insufficient conductivity during charging and discharging, making it unsuitable for large-scale energy storage needs.
By combining Ti3C2TxMXene with cobalt vanadium sulfide, stable interfacial chemical bonds are formed, and a continuous conductive network is constructed to alleviate the expansion and pulverization caused by volume changes. This method is suitable for potassium-ion battery anodes, sulfur carriers in lithium-sulfur batteries, and separator modification layers.
It significantly improves the cycling stability and rate performance of the material, has a high initial discharge specific capacity, high coulombic efficiency during long-term cycling, is suitable for different application scenarios, has low production cost, and is easy to industrialize.
Smart Images
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