金融界 2025 年 5 月 8 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“一种负极片及其制备方法、电池及用电设备”的专利,公开号 CN119943861A,申请日期为 2025 年 1 月。专利摘要显示,本申请公开了一种负极片及其制备方法、电池及用电设备,负极片包括集流体,设置在所述集流体至少一侧的负极活性层,所述负极活性层包括形状记忆聚合物,所述形状记忆聚合物包括硬段...
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