LITHIUM METAL ANODE AND LITHIUM METAL BATTERY
DE602020057623T2Active Publication Date: 2025-08-27KOREA ADVANCED INST OF SCI & TECH +1
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Patent Information
- Application Number
- DE602020057623
- Authority / Receiving Office
- DE · DE
- Patent Type
- Patents
- Current Assignee / Owner
- Priority Date
- 2019-07-16
- Filing Date
- 2020-07-15
- Publication Date
- 2025-08-27
- Estimated Expiration
- 2040-07-15
AI Technical Summary
Technical Problem
Lithium metal batteries face issues with dendrite growth, low coulombic efficiency, and safety risks due to the high reactivity of lithium metal, which hinder their commercialization.
Method used
A protective layer composed of alpha lipoic acid (ALA) and sulfur molecules (S8), inorganic sulfides, and inorganic nitrides is formed on the lithium metal negative electrode to stabilize the interface and suppress dendrite growth, enhancing the reversibility of lithium deposition and desorption reactions.
Benefits of technology
The protective layer effectively suppresses dendrite growth, improves coulombic efficiency, and enhances the lifespan and safety of lithium metal batteries by forming a stable interface while minimizing resistance.
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