比亚迪申请负极极片和二次电池专利,有利于减少因生成铜枝晶刺穿隔膜引起电池短路

金融界
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金融界2025年4月19日消息,国家知识产权局信息显示,比亚迪股份有限公司申请一项名为“13705.负极极片和二次电池”的专利,公开号CN119812186A,申请日期为2024年9月。专利摘要显示,本申请涉及电池领域,公开了一种负极极片和二次电池,该负极极片包括:负极集流体;第一负极活性材料层,所述第一负极活性材料层位于所述负极集流体的至少一侧,所述第一负极活性材料层包括第一负极活性材料,所述...

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