珠海冠宇电池申请硅碳颗粒、负极片和电池专利，有利于硅基负极材料循环稳定性和膨胀性能的提升

金融界2025-05-02

金融界2025年5月2日消息，国家知识产权局信息显示，珠海冠宇电池股份有限公司申请一项名为“硅碳颗粒、负极片和电池”的专利，公开号CN119890255A，申请日期为2024年12月。专利摘要显示，本发明涉及电池技术领域，具体涉及一种硅碳颗粒、负极片和电池。本发明提供一种硅碳颗粒，所述硅碳颗粒表面具有凹陷部；所述硅碳颗粒表面所述凹陷部的数量N≥1；所述凹陷部的直径为0.05μm‑5μm；所述凹陷部...

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