一种改性富锂锰基前驱体及其制备方法和应用
By coating the surface of a lithium-rich manganese-based precursor with a complex of cobalt and organic carbon materials, the problems of low initial efficiency and poor cycle performance of existing lithium-rich manganese-based cathode materials have been solved, achieving high-capacity and long-life lithium-ion battery performance.
CN117164017BActive Publication Date: 2026-07-17JINGMEN GEM NEW MATERIAL CO LTD +1
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- JINGMEN GEM NEW MATERIAL CO LTD
- Filing Date
- 2023-09-06
- Publication Date
- 2026-07-17
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Figure CN117164017B_ABST
Abstract
本发明提供了一种改性富锂锰基前驱体及其制备方法和应用，所述制备方法包括以下步骤：(1)将镍锰二元盐溶液、沉淀剂和络合剂并流加入含有底液的反应装置，经一步共沉淀反应得到镍锰二元前驱体；(2)将钴盐溶液和有机络合碳源溶液并流加入反应装置，经二步共沉淀反应，得到所述改性富锂锰基前驱体，本发明所述改性富锂锰基前驱体的结构稳定，且具有良好的倍率性能，制成正极材料具有优异的容量性能和循环性能。
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