比亚迪申请负极片、电池和用电设备专利，提升电池持续充电能力

金融界2025-05-03

金融界2025年5月3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“负极片、电池和用电设备”的专利，公开号CN119905511A，申请日期为2024年12月。专利摘要显示，本申请提供了负极片、电池和用电设备。该负极片包括：负极集流体和负极活性层，负极活性层设置负极集流体的至少一个表面上，负极活性层包括n层层叠设置的子活性层，定义与负极集流体距离最近的子活性层为第1层所述子活性层...

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