一种固态电解质材料及其制备方法和应用
By introducing a core Li3+x+yIn1-x-yZnxCdyCl6 and a nitrogen coating layer into the halide solid electrolyte material, the problem of hygroscopicity of halide electrolytes is solved, and the air stability and conductivity of the electrolyte are improved, making it suitable for all-solid-state batteries.
CN121748511BActive Publication Date: 2026-07-17SVOLT ENERGY TECHNOLOGY CO LTD
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- SVOLT ENERGY TECHNOLOGY CO LTD
- Filing Date
- 2026-02-28
- Publication Date
- 2026-07-17
AI Technical Summary
Technical Problem
Existing halide solid electrolytes readily absorb moisture from the air, which affects their chemical properties and electrochemical performance, damages their structure, and impacts their ionic conductivity and battery performance.
Method used
The solid electrolyte material adopts a core and nitrogen-coated layer structure. The core is Li3+x+yIn1-x-yZnxCdyCl6, which is combined with a nitrogen-coated layer to block moisture contact. The air stability of the material is improved by combining moisture-resistant elements.
Benefits of technology
The structure stability and conductivity of solid electrolyte materials have been improved, battery polarization has been reduced, and stable use has been achieved over a wide humidity range.
✦ Generated by Eureka AI based on patent content.
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Abstract
本发明涉及电池技术领域，具体涉及一种固态电解质材料及其制备方法和应用；所述固态电解质材料包括内核和设置于所述内核至少部分表面的氮包覆层；所述内核包括氯化物电解质，所述氯化物电解质的化学通式为Li3+x+yIn1‑x‑yZnxCdyCl6，其中，0.05≤x≤0.9，0.05≤y≤0.9，x+y<1。与现有技术相比，本发明通过抗湿性元素组合提升卤化物自身的耐湿性，结合氮包覆层的构筑，阻隔卤化物和空气中的水分接触，从而本征提升固态电解质材料的空气稳定性。
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Citation Information
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