ELECTRODE MATERIAL, ELECTRODE AND LITHIUM ION BATTERY
    1.
    发明申请
    ELECTRODE MATERIAL, ELECTRODE AND LITHIUM ION BATTERY 有权
    电极材料,电极和锂离子电池

    公开(公告)号:US20140272593A1

    公开(公告)日:2014-09-18

    申请号:US14202346

    申请日:2014-03-10

    CPC classification number: H01M4/366 H01M4/625 H01M2004/021

    Abstract: An electrode material contains an agglomerate formed by agglomerating a plurality of agglomerated particles formed by agglomerating a plurality of particles of a carbonaceous coated electrode active material having a carbonaceous coat formed on a surface, the agglomerate is made up of hollow-structured particles and solid-structured particles, the average particle diameter of the agglomerate is in a range of 0.5 μm to 100 μm, the volume density of the agglomerate is in a range of 50% by volume to 80% by volume, the micropore distribution of micropores present in the agglomerate is monomodal, the average micropore diameter in the micropore distribution is 0.3 μm or less, and the NMP oil absorption amount of the agglomerate is in a range of 40 g/100 g to 100 g/100 g.

    Abstract translation: 电极材料包含通过凝集多个凝集的颗粒而形成的附聚物,所述附聚颗粒通过聚集形成在表面上的具有碳质涂层的碳质涂覆电极活性材料的多个颗粒而形成,所述附聚物由中空结构的颗粒和固体 - 凝聚体的平均粒径为0.5μm〜100μm的范围,凝聚体的体积密度为50体积%〜80体积%的范围,微细孔的微孔分布存在于 附聚物为单峰,微孔分布中的平均微孔直径为0.3μm以下,附聚物的NMP油吸附量为40g / 100g〜100g / 100g。

    ELECTRODE MATERIAL AND METHOD FOR MANUFACTURING SAME
    2.
    发明申请
    ELECTRODE MATERIAL AND METHOD FOR MANUFACTURING SAME 有权
    电极材料及其制造方法

    公开(公告)号:US20160190589A1

    公开(公告)日:2016-06-30

    申请号:US14697123

    申请日:2015-04-27

    Abstract: An electrode material including electrode active material particles and a carbonaceous film layer coating surfaces of the electrode active material particles and including a metal oxide, a content ratio of the metal oxide in the carbonaceous film layer being 5% by mass to 70% by mass. A method for manufacturing an electrode material, in which electrode active material particles, a metal salt or metal alkoxide containing any one or more metal atoms selected from a group consisting of Al, Zr, Si, and Ti, and an organic compound which is a precursor of carbon are mixed so that a total blending amount of the metal salt or metal alkoxide satisfies that an amount of a metal oxide in the carbonaceous film layer when the metal salt or metal alkoxide is all changed to the metal oxide is 5% by mass to 70% by mass, and are heated in a non-oxidative atmosphere.

    Abstract translation: 包括电极活性物质粒子的电极材料和电极活性物质粒子的碳膜层被覆表面,并且包含金属氧化物,碳质膜层中的金属氧化物的含有比例为5质量%〜70质量%。 一种电极材料的制造方法,其中电极活性物质颗粒,含有选自Al,Zr,Si和Ti中的一种或多种金属原子的金属盐或金属醇盐,以及作为 将前体碳混合,使得金属盐或金属醇盐的总共混量满足当金属盐或金属醇盐全部改变为金属氧化物时,碳质膜层中的金属氧化物的量为5质量% 至70质量%,并在非氧化性气氛中加热。

    ELECTRODE MATERIAL, ELECTRODE, AND LITHIUM ION BATTERY
    3.
    发明申请
    ELECTRODE MATERIAL, ELECTRODE, AND LITHIUM ION BATTERY 有权
    电极材料,电极和锂离子电池

    公开(公告)号:US20160093878A1

    公开(公告)日:2016-03-31

    申请号:US14698266

    申请日:2015-04-28

    Abstract: An electrode material including electrode active material particles having a carbonaceous film formed on the surfaces thereof in which the coatability of the carbonaceous film can be guaranteed even when a crushing process is carried out, and the rate characteristics and the like are not degraded during charge and discharge, an electrode and a lithium ion battery having excellent charge and discharge characteristics for which the electrode material is used are provided. The electrode material includes electrode active material particles having a carbonaceous film formed on surfaces thereof, and an affinity value to N-methyl-2-pyrrolidone measured through pulse NMR is in a range of 5000 to 20000.

    Abstract translation: 一种电极材料,其包括在其表面上形成有碳质膜的电极活性物质颗粒,其中即使进行破碎处理也能够保证碳膜的涂布性,并且速率特性等在充电期间不降解, 提供具有优异的充电和放电特性的电极和锂离子电池,其中使用电极材料。 电极材料包括在其表面形成有碳质膜的电极活性物质颗粒,并且通过脉冲NMR测量的对N-甲基-2-吡咯烷酮的亲和力在5000至20000的范围内。

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