基础金属	铜电解铜铜精矿铜管铜棒废铜铜排铜合金精铜杆再生铜杆铜板带铝铝土矿氧化铝电解铝铝辅料铝棒铝合金锭废铝铝杆铝型材铝板卷铅铅精矿铅锭铅蓄电池再生精铅还原铅废铅蓄电池铅合金锌锌精矿电解锌锌合金氧化锌锌粉锡锡精矿锡锭锡材
稀有金属	稀土稀土矿稀土氧化物稀土金属钕铁硼稀散金属锑铋铟锗镓硒钽锆贵金属白银钨钨精矿钨粉碳化钨钨酸钠钨条钨铁钨材钼钼精矿工业氧化钼钼铁钼化工高纯三氧化钼钼金属钛钛精矿钛渣四氯化钛海绵钛钛金属钛白粉
新能源	锂锂矿锂化合物金属锂镍镍矿镍铁精炼镍镍盐高冰镍 MHP 钴电解钴钴粉氯化钴四氧化三钴硫酸钴钴中间品氧化钴碳酸钴钴酸锂锰锰矿电解锰电池级硫酸锰锂电正负极三元前驱体磷酸铁正极材料石油焦针状焦包覆沥青人造石墨硅碳负极硅氧负极电解液隔膜隔膜电解液电芯

我国牵头制定的世界首项锂离子电池硅基负极材料国际标准发布

2025-07-18 08:58:18 来源：市场监管总局责任编辑：袁梦

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近期，由我国牵头制定的硅基负极材料国际标准《纳米制造—产品规格—5—3部分：纳米储能—空白详细规范：锂离子电池纳米硅基负极材料》(IEC TS 62565—5—3:2025)正式发布。该国际标准是锂离子电池硅基负极材料领域首项国际标准。

该国际标准首次构建了锂离子电池纳米硅基负极材料的关键控制特性体系，明确了相应的测量方法，涵盖比容量、首次库伦效率、体积膨胀率等核心特性指标，填补了该领域的国际标准空白。

全球新能源汽车产业的高速发展对电池能量密度提出更高要求，硅基负极材料凭借其理论比容量超过传统石墨材料10倍以上的显著优势，已成为新一代高性能锂离子电池的核心解决方案。根据行业数据，2024年全球锂离子电池负极材料产量为216万吨，中国作为该材料最大的生产国，全球市场占有率达98.5%。其中，以硅基负极材料为代表的新型负极材料全球市场占有率超过60%，且随着电池新技术的规模化应用，硅基负极材料的需求将持续提升。据预测，2025年全球硅基负极材料行业市场规模将达到300亿元。该国际标准的发布实施将为纳米硅基负极材料的生产提供指引，推动产业链上下游协同创新，加速全球材料研发、电池生产、终端应用等新能源产业链各环节的高效衔接与融合发展。

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