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一种正极材料及其制备方法、极片和电池

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10Claims · 4 independent
§ Ⅰ

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Applicant

上海三瑞高分子材料股份有限公司

上海三瑞高分子材料股份有限公司 · View all patentsPatent applicant records

Inventor

温朋鹏; 邓最亮; 张睿

Filing Date

Jun 2, 2026

Publication Date

Oct 27, 2026

IPC Classification

C01B 25/45 (2006.01)C08G 18/48 (2006.01)C01B 32/05 (2017.01)H01M 4/36 (2006.01)H01M 4/62 (2006.01)H01M 4/58 (2010.01)H01M 4/136 (2010.01)H01M 10/0525 (2010.01)

本发明公开了一种正极材料及其制备方法、极片和电池。该正极材料的制备方法包括下述步骤：将前驱体浆料进行烧结，得所述正极材料；所述前驱体浆料包括碳源；所述碳源包括聚醚改性聚氨酯；所述聚醚改性聚氨酯采用聚醚多元醇和异氰酸酯作为原料制得。采用本申请的正极材料的制备方法制得的正极材料具有较低的粉末电阻率、较高的粉末电导率和较佳的压实密度；由该正极材料制得的电池具有优异的电化学性能。

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