CATHODE MATERIAL FOR LITHIUM-ION SECONDARY BATTERY, CATHODE FOR LITHIUM-ION SECONDARY BATTERY, AND LITHIUM-ION SECONDARY BATTERY
    81.
    发明公开
    CATHODE MATERIAL FOR LITHIUM-ION SECONDARY BATTERY, CATHODE FOR LITHIUM-ION SECONDARY BATTERY, AND LITHIUM-ION SECONDARY BATTERY 审中-公开
    锂离子二次电池的阴极材料,锂离子二次电池的阴极和锂离子二次电池

    公开(公告)号:EP3301741A1

    公开(公告)日:2018-04-04

    申请号:EP17156172.3

    申请日:2017-02-15

    Abstract: A cathode material for a lithium-ion secondary battery of the present invention includes central particles represented by Li x A y M z PO 4 and a carbonaceous film that coats surfaces of the central particles, an average value of R values (I 1580 /I 1360 ), which are ratios of a peak intensity (I 1580 ) of a spectrum at a frequency band of 1,580±50 cm -1 to a peak intensity (I 1360 ) of the spectrum at a frequency band of 1,360±50 cm -1 in a Raman spectrum analysis, measured at five points is 0.80 or more and 1.10 or less, and a standard deviation of the R values measured at five points is 0.010 or less.

    Abstract translation: 本发明的锂离子二次电池用正极材料含有由LixAyMzPO4表示的中心粒子和覆盖该中心粒子表面的碳质膜,其中R值的平均值(I1580 / I1360) 拉曼光谱分析中在1,580±50cm-1的频带处的频谱的强度(I 1580)与在1,360±50cm -1的频带处的频谱的峰值强度(I 1360)之间的差值为 0.80以上且1.10以下,五点测定的R值的标准偏差为0.010以下。

    ELECTRODE MATERIAL FOR LITHIUM-ION SECONDARY BATTERY AND METHOD FOR MANUFACTURING SAME
    83.
    发明公开
    ELECTRODE MATERIAL FOR LITHIUM-ION SECONDARY BATTERY AND METHOD FOR MANUFACTURING SAME 审中-公开
    用于锂离子二次电池的电极材料及其制造方法

    公开(公告)号:EP3226332A1

    公开(公告)日:2017-10-04

    申请号:EP16191612.7

    申请日:2016-09-29

    Abstract: An electrode material for a lithium-ion secondary battery of the present invention includes particles which are made of LiFe x Mn 1-w-x-y-z Mg y Ca z A w PO 4 , have an orthorhombic crystal structure, and have a space group of Pmna, in which a mis-fit value [(1-(b2×c2)/(b1×c1))×100] of a bc plane which is computed from lattice constants b1 and c1 of the LiFe x Mn 1-w-x-y-z Mg y Ca z A w PO 4 and lattice constants b2 and c2 of Fe x Mn 1-w-x-y-z Mg y Ca z A w PO 4 obtained by deintercalating Li from LiFe x Mn 1-w-x-y-z Mg y Ca z A w PO 4 by means of an oxidation treatment using nitrosonium tetrafluoroborate in acetonitrile is 1.32% or more and 1.85% or less.

    Abstract translation: 本发明的锂离子二次电池用电极材料包含由LiFexMn1-wxy-zMgyCazAwPO4构成的粒子,具有正交晶系结构,且具有Pmna的空间群,其中,失配值[(1 根据LiFexMn1-wxy-zMgyCazAwPO4的晶格常数b1和c1以及由FexMn1-wxy-zMgyCazAwPO4得到的晶格常数b2和c2计算出的bc平面的[(b2×c2)/(b1×c1))×100] 通过使用四氟硼酸亚硝鎓在乙腈中的氧化处理从LiFexMn1-wxy-zMgyCazAwPO4中脱嵌Li为1.32%以上且1.85%以下。

    LITHIUM-ION SECONDARY BATTERY
    86.
    发明公开
    LITHIUM-ION SECONDARY BATTERY 审中-公开
    锂离子二次电池

    公开(公告)号:EP3206245A1

    公开(公告)日:2017-08-16

    申请号:EP16191996.4

    申请日:2016-09-30

    Abstract: A lithium-ion secondary battery of the present invention includes a cathode including an electrode material having electrode active material particles and an oxide coat and a carbonaceous film which coat surfaces of the electrode active material particles, an anode including a carbon-based active material, and an electrolytic solution, and the electrolytic solution does not substantially include additivesforstabilizing a coat formed on a surface of the anode.

    Abstract translation: 本发明的锂离子二次电池包括:包含具有电极活性物质粒子和氧化被膜的电极材料的阴极,和覆盖该电极活性物质粒子的表面的碳质膜;含有碳系活性物质的阳极; 和电解质溶液,并且电解质溶液实质上不包括使形成在阳极表面上的涂层稳定化的添加剂。

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