{"id":133902,"date":"2025-05-27T01:41:24","date_gmt":"2025-05-26T17:41:24","guid":{"rendered":"http:\/\/www.gocpmall.com\/?p=133902"},"modified":"2025-05-27T01:41:24","modified_gmt":"2025-05-26T17:41:24","slug":"%e5%a4%a7%e8%bf%9e%e5%8c%96%e7%89%a9%e6%89%80%e5%85%a8%e9%92%92%e6%b6%b2%e6%b5%81%e7%94%b5%e6%b1%a0%ef%bc%88vfbs%ef%bc%89%e6%ad%a3%e6%9e%81%e7%94%b5%e8%a7%a3%e6%b6%b2%e7%a8%b3%e5%ae%9a%e6%80%a7","status":"publish","type":"post","link":"https:\/\/www.gocpmall.com\/?p=133902","title":{"rendered":"\u5927\u8fde\u5316\u7269\u6240\u5168\u9492\u6db2\u6d41\u7535\u6c60\uff08VFBs\uff09\u6b63\u6781\u7535\u89e3\u6db2\u7a33\u5b9a\u6027\u7814\u7a76\u53d6\u5f97\u65b0\u8fdb\u5c55 _ \u4e1c\u65b9\u8d22\u5bcc\u7f51"},"content":{"rendered":"

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上证报中国 证券 网讯（记者韩远飞）5月26日，记者从中国科学院大连化物所获悉，近日，该所 储能 技术研究部（DNL17）李先锋研究员团队和中国科学院化学研究所张燕燕副研究员合作，在全钒液流 电池 （VFBs）正极电解液稳定性研究方面取得新进展。团队通过系统研究VFB正极电解液中五价钒离子溶剂化结构随温度的转化过程，阐明了正极电解液沉淀析出机理，并据此提出了高稳定性钒电解液设计策略。 　　VFBs具有安全性高、效率高、寿命长等优势，在大规模电力系统 储能 领域具有广阔的应用前景。电解质溶液作为 储能 介质，其浓度和稳定性决定了 电池 系统的稳定性和能量密度。目前，正极电解液中五价钒[V（V）]在高温（>45°C）环境下易转化为五氧化二钒沉淀，影响了系统的可靠性，并对 电池 的热管理提出了很高要求。 　　团队开发出混合酸钒电解液（2MV），在50°C条件下实现单电池稳定运行3000次以上。本研究不仅揭示了V（V）溶剂化结构的转化机理，同时为提高电解液的稳定性，以及进一步提升VFB系统的可靠性和能量密度具有重要的指导意义。 （文章来源：上海 证券 报·中国 证券 网）
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