一种正极补锂添加剂及其制备方法和应用
By using high-entropy oxide materials to coat lithium-rich oxides in lithium-ion batteries, the problem of gas generation during charging and discharging is solved, improving battery stability and electrode material performance, making it suitable for industrial production of lithium-ion batteries.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- SHENZHEN DYNANONIC INNOVAZONE NEW ENERGY TECH CO LTD
- Filing Date
- 2023-02-01
- Publication Date
- 2026-07-17
AI Technical Summary
In existing lithium-ion batteries, the low initial coulombic efficiency of the negative electrode material leads to a reduction in the reversible capacity and energy density of the battery, and the gas generated by lithium-rich oxides during charging and discharging affects large-scale industrial production.
High-entropy oxide materials are mixed or bonded to the surface of lithium-rich oxides to form a coating layer, thereby reducing gas generation during charging and discharging and improving the migration performance of electrons and ions.
It effectively reduces gas generation during the charging and discharging of lithium-rich oxides, improves the stability and rate performance of electrode materials, enhances corrosion resistance, and is suitable for industrial production.
Smart Images
Figure CN116487591B_ABST