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1.发明公开
公开(公告)号：EP3346540A1
公开(公告)日：2018-07-11
申请号：EP16841787.1
申请日：2016-08-29
发明人： YAMADA Atsuo , YAMADA Yuki , WANG Jianhui
IPC分类号： H01M10/0569 , H01M4/58 , H01M4/587 , H01M10/052 , H01M10/054 , H01M10/0568
CPC分类号： H01M4/58 , H01M4/587 , H01M10/052 , H01M10/054 , H01M10/0568 , H01M10/0569
摘要： To provide an electrolyte solution for a secondary battery which is a highly safe electrolyte solution system using a flame-retardant solvent as a main solvent and can provide excellent battery characteristics.
An electrolyte solution for a secondary battery including a flame-retardant organic solvent as a main solvent and an alkali metal salt, wherein the composition of the electrolyte solution is such that the solvent amount is 4 mol or less per 1 mol of the alkali metal salt.-
公开(公告)号：EP3046170A1
公开(公告)日：2016-07-20
申请号：EP14844027.4
申请日：2014-09-03
CPC分类号： H01M4/5825 , C01G1/10 , C01G45/006 , C01G49/009 , C01G51/006 , C01P2002/72 , C01P2006/40 , H01M4/136 , H01M4/366 , H01M4/587 , H01M4/623 , H01M4/625 , H01M10/054 , H01M2004/028
摘要： [Problem] The present invention addresses the problem of providing: a novel low-cost positive electrode material for sodium ion secondary batteries, which has a high redox potential; and a sodium ion secondary battery which uses this material as a positive electrode active material.
[Solution] A positive electrode active material for sodium ion secondary batteries, which is characterized by containing a sulfate represented by Na m M n (SO 4 ) 3 (wherein M represents a transition metal element; m is 2 ± 2x (wherein x satisfies 0 ≤ x ≤ 0.5); and n is 2 ± y (wherein y satisfies 0摘要翻译： 发明内容本发明解决了提供一种具有高氧化还原电位的新型低成本钠离子二次电池用正极材料的问题。 以及使用该材料作为正极活性物质的钠离子二次电池。 [解决方案]一种钠离子二次电池用正极活性物质，其特征在于含有由Na m M n（SO 4）3表示的硫酸盐（其中M表示过渡金属元素; m为2±2×（其中x满足 0‰×‰¤0.5）; n为2±y（其中y满足0
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