Solid secondary battery and method for manufacturing it
DE602024005571T2Active Publication Date: 2026-06-24SAMSUNG SDI CO LTD
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Patent Information
- Application Number
- DE602024005571
- Authority / Receiving Office
- DE · DE
- Patent Type
- Patents
- Current Assignee / Owner
- Priority Date
- 2023-08-17
- Filing Date
- 2024-02-07
- Publication Date
- 2026-06-24
- Estimated Expiration
- 2044-02-07
AI Technical Summary
Technical Problem
Lithium batteries using liquid electrolytes are prone to overheating and flammability risks, necessitating the development of solid secondary batteries with improved safety and stability.
Method used
A solid secondary battery design incorporating a cathode layer with a composite cathode active material comprising M2S, an alkali metal salt, and a two-dimensional carbonaceous structure, such as graphene, to enhance electronic conductivity and mitigate volume changes during charging and discharging.
Benefits of technology
The composite cathode active material improves the battery's initial efficiency, energy density, and lifespan characteristics by maintaining a robust electronic conduction network and reducing internal resistance.
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