Positive electrodeactive material for lithium secondary battery, method for producing it and lithium secondary battery therewith
DE602021027964T2Active Publication Date: 2025-03-19LG ENERGY SOLUTION LTD
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Patent Information
- Application Number
- DE602021027964
- Authority / Receiving Office
- DE · DE
- Patent Type
- Patents
- Current Assignee / Owner
- Priority Date
- 2021-01-07
- Filing Date
- 2021-12-22
- Publication Date
- 2025-03-19
- Estimated Expiration
- 2041-12-22
AI Technical Summary
Technical Problem
Lithium transition metal oxides used in lithium secondary batteries face challenges such as poor thermal stability, vulnerability to moisture, and low electrical conductivity, which affect battery performance and safety.
Method used
A positive electrode active material is developed by thinly and uniformly coating crumpled graphene on lithium transition metal oxide, enhancing electrical conductivity and improving battery performance.
Benefits of technology
The crumpled graphene-derived coating layer significantly improves the electrical conductivity of lithium transition metal oxide, leading to enhanced discharge capacity at high C-rates and improved battery performance.
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