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Author:

尉海军 (尉海军.) (Scholars:尉海军) | 万界 (万界.) | 刘世奇 (刘世奇.)

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incoPat

Abstract:

原位构筑超薄无定形纳米包覆层材料的方法,涉及锂离子电池用正极材料技术领域。本发明分别通过溶胶凝胶法、共沉淀法以及电沉积结合水热法对Li2MnO3正极材料进行包覆处理,将LixMnOy无定形纳米结构均匀,完整的包覆在Li2MnO3正极材料表面(LixMnOy@Li2MnO3),其中LixMnOy为非晶无定形包覆层,厚度为0.1‑10nm;本发明通过在Li2MnO3正极材料表面包覆超薄无定形的LixMnOy,在保证该材料高放电比容量的同时并显著抑制了Li2MnO3的电压衰减,将其组装为扣式电池测试性能后发现包覆后的Li2MnO3材料在50圈充放电循环后的电压衰减为零。

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Patent Info :

Type: 发明申请

Patent No.: CN202310318577.6

Filing Date: 2023-03-28

Publication Date: 2023-07-07

Pub. No.: CN116404127A

Applicants: 北京工业大学

Legal Status: 实质审查

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 0

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