【隔膜周报】星源材质/恩捷股份/东峰集团固态膜材领域齐发力

上海有色网2025-05-23

【访谈】从隔膜巨头到固态电解质复合膜先锋星源材质锂电材料持续进阶近日，星源材质（300568）与其合作伙伴中科深蓝，带着固态电池解决方案的创新成果亮相CIBF 2025。当日，星源材质正式推出新产品固态电解质膜，为全固态电池商业化进程提供了新的技术路径与解决方案，也展现出企业抢占行业技术高地的决心与实力。星源材质与中科深蓝联合打造的“刚柔并济”新型固态电池解决方案中，首创的“刚柔并济”与“原位...

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2025。当日，星源材质正式推出新产品固态电解质膜，为全固态电池商业化进程提供了新的技术路径与解决方案，也展现出企业抢占行业技术高地的决心与实力。星源材质与中科深蓝联合打造的“刚柔并济”新型固态电池解决方案中，首创的“刚柔并济”与“原位固化”工艺，由星源材质供应“刚性骨架”，解决了无机陶瓷电解质“硬脆”难题，保障电池结构稳定性；柔性导电电解质通过原位热聚合，攻克了固-固界面接触导致容量衰减的行业痛点。此次固态电解质膜的发布，意味着星源材质在固态电池产业链中已抢占关键位置。产品量产后，公司不仅能供应关键的材料和组件，极大提升在电池中的价值占比，而且在该技术路线下，电池企业能大部分沿用之前锂电生产设备，减少注液等环节，进一步提升了电池生产效率。（来源：电池百人会-电池网）【看点】恩捷股份：公司硫化物固态电解质膜已实现卷对卷、连续化生产近日，隔膜龙头恩捷股份（002812）举办全固态硫化物新品发布会，推出超纯硫化锂、超细硫化物固态电解质以及高电导硫化物固态电解质膜等系列新品。5月20日晚间，恩捷股份披露调研纪要，据介绍，公司在业内较早布局全固态电池材料路线。早在2021年12月，公司便与中南大学团队共同成立控股子公司湖南恩捷前沿新材料科技有限公司，确定以硫化物为主要路线研发全固态相关材料，现阶段已有高纯硫化锂、硫化物固态电解质、硫化物电解质膜等三款产品。谈及电解质膜，恩捷股份指出该产品在固态电池中主要起到隔绝正负极和传输锂离子的作用，主要制备工艺是将硫化物固态电解质、溶剂、粘结剂混合制成浆料，涂到PET膜上，再使用辊压的方式，形成独立支撑的膜。目前，公司硫化物固态电解质膜已实现卷对卷、连续化生产，厚度可以做到30μm，离子电导率可达3ms/cm以上。（来源：电池百人会-电池网）【公司】东峰集团：积极配合研发半固态隔膜、全固态基膜并开展测试工作5月21日晚间，东峰集团（601515）在2024年度暨2025年第一季度业绩说明会上表示，公司通过与行业内领先的合作方开展合作，布局半固态/固态电池隔膜及基膜等相关电池核心材料，产品包括复合铜箔、复合铝箔、泡沫铜、半固态电池功能膜材料、固态电池电解质复合膜和电解质涂布工艺、新能源车用涂料、CCS 集成母排结构件等。同时积极配合研发半固态隔膜、全固态基膜并开展测试工作，持续扩充公司新型材料的产品类别与覆盖面，不断迭代产品形成增长新动能，进一步优化公司在新能源新型材料领域的产业布局。（来源：电池百人会-电池网）【智库圈点】前4月我国动力和其他电池用隔膜需求66.6亿平方米近日，中国汽车动力电池产业创新联盟数据显示，根据关键材料需求概算，4月，我国动力和其他电池用三元材料4.1万吨，磷酸铁锂材料22.4万吨；负极材料13.7万吨；隔膜17.7亿平方米；三元电池用电解液1.9万吨，磷酸铁锂电池用电解液12.3万吨。1-4月，我国动力和其他电池用三元材料15.4万吨，磷酸铁锂材料84.5万吨；负极材料51.5万吨；隔膜66.6亿平方米；三元电池用电解液7.1万吨，磷酸铁锂电池用电解液46.4万吨。","kind":"news","is_publish_news":true,"is_publish_highlight":false,"is_publish_live":false,"is_publish_wemedia":null,"editions":null,"column":"","sentiment":"0","news_tag":"","news_rank":0,"isVideo":false,"video":null,"symbols":[],"gpt_button":1,"need_auth":false,"need_login_tip":false,"code":"91000000","status":"200"},"commentList":[],"isCommentEnd":true,"newsSizeData":{"likeSize":0,"commentSize":0,"repostSize":0,"favoriteSize":0,"likeStatus":false,"favoriteStatus":false},"APP":{"userAgent":"Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; 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