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    • 3. 发明申请
    • ELECTRODE FOR LITHIUM ION SECONDARY BATTERY AND LITHIUM ION SECONDARY BATTERY
    • 用于锂离子二次电池和锂离子二次电池的电极
    • US20120156558A1
    • 2012-06-21
    • US13229576
    • 2011-09-09
    • Yuko SAWAKIMitsuhiro KISHIMI
    • Yuko SAWAKIMitsuhiro KISHIMI
    • H01M4/13
    • H01M4/131H01M4/1391H01M2004/021
    • An electrode for a lithium ion secondary battery of the present invention includes an electrode material mixture layer containing oxide particles, active material particles capable of absorbing and desorbing Li, and a resin binder, wherein the oxide particles have an average particle size of primary particles of 1 to 20 nm, and have no peak or have a width at half height of the highest intensity peak of 1.0° or more within the range of 2θ=20 to 70° in a powder X-ray diffraction spectrum, and the ratio of the oxide particles is 0.1 to 10 mass % when the total of the active material particles and the oxide particles is taken as 100 mass %. Further, a lithium ion secondary battery of the present invention includes the above-described electrode for a lithium ion secondary battery of the present invention.
    • 本发明的锂离子二次电池用电极包括含有氧化物粒子的电极材料混合物层,能够吸收和解吸Li的活性物质粒子,以及树脂粘合剂,其中,氧化物粒子的平均粒径为 1〜20nm,在粉末X射线衍射光谱中,在2θ= 20〜70°的范围内,峰值为1.0或更高的最高强度峰的半高处具有峰值或宽度, 当将活性物质粒子和氧化物粒子的合计为100质量%时,氧化物粒子为0.1〜10质量%。 此外,本发明的锂离子二次电池包括上述本发明的锂离子二次电池用电极。
    • 5. 发明申请
    • NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY
    • 非水电解质二次电池
    • US20130236780A1
    • 2013-09-12
    • US13702974
    • 2012-03-09
    • Tatsunori YokoteMitsuhiro Kishimi
    • Tatsunori YokoteMitsuhiro Kishimi
    • H01M4/485H01M4/525H01M4/505
    • H01M4/485H01M4/131H01M4/36H01M4/38H01M4/382H01M4/405H01M4/505H01M4/525H01M4/62
    • A non-aqueous electrolyte secondary battery including a positive electrode, a negative electrode, a non-aqueous electrolyte, and a separator, wherein the positive electrode includes a positive electrode current collector and a positive electrode material mixture layer formed on one or both sides of the positive electrode current collector, the positive electrode material mixture layer has a thickness greater than 80 μm per side of the positive electrode current collector, the positive electrode material mixture layer includes a positive electrode active material, the positive electrode active material is composed of secondary particles formed by aggregation of primary particles, the secondary particles have an average particle size of 6 μm or less, and, when diffraction-line integrated intensities of the (003) plane and the (104) plane in an X-ray diffraction chart of the positive electrode material mixture layer are I003 and I104, respectively, the ratio I003/I104 of the integrated intensities is 1.1 or more.
    • 1.一种非水电解质二次电池,包括正极,负极,非水电解质和隔膜,其中所述正极包括正极集电体和正极材料混合层,所述正极集电体和 正极集电体,正极复合层的正极集电体的每侧的厚度大于80μm,正极复合层包含正极活性物质,正极活性物质由二次 二次粒子的平均粒径为6μm以下,X射线衍射图中的(003)面和(104)面的衍射线积分强度为 正极合剂层分别为I003和I104,I003 / I104的比例为1 强度为1.1以上。
    • 7. 发明申请
    • NONAQUEOUS ELECTROLYTE BATTERY
    • 非电解电解质电池
    • US20130244073A1
    • 2013-09-19
    • US13813372
    • 2012-03-14
    • Hideki FujimotoMitsuhiro Kishimi
    • Hideki FujimotoMitsuhiro Kishimi
    • H01M10/04
    • H01M10/0431H01M10/052H01M10/0587H01M2004/021
    • It is an object of the present invention to provide a nonaqueous electrolyte battery in which a winding body is uniformly expanded, to thereby prevent undulation. A nonaqueous electrolyte battery (1) comprises a winding body (30) having a flattened shape, in which a positive electrode (31) and a negative electrode (32) are wound with separators (33, 34) interposed therebetween, and a negative electrode tab (36) joined to the negative electrode (32), extending in a winding axis direction of the winding body (30). The positive electrode (31) includes a positive electrode current collector (310) having a strip-like shape, a first positive electrode mixture layer (311) formed on one surface of the positive electrode current collector (310), and a second positive electrode mixture layer (312) formed on the other surface of the positive electrode current collector (310), and a winding trailing end portion (311b) of the first positive electrode mixture layer (311) is positioned on an inner side of the winding body (30) with respect to the negative electrode tab (36) in the width direction (x direction) and a winding trailing end portion (312b) of the second positive electrode mixture layer (312) is positioned on an outer side of the winding body (30) with respect to the negative electrode tab (36) in the width direction (x direction).
    • 本发明的目的是提供一种非水电解质电池,其中卷绕体均匀地膨胀,从而防止起伏。 非水电解质电池(1)包括扁平形状的卷绕体(30),其中正极(31)和负极(32)之间夹有隔板(33,34),负极 (36),其与所述负极(32)接合,在所述卷绕体(30)的卷绕轴方向上延伸。 正极(31)具有带状的正极集电体(310),形成在正极集电体(310)的一个面上的第一正极合剂层(311)和第二正极集电体 形成在正极集电体(310)的另一个表面上的混合层(312)和第一正极合剂层(311)的卷绕尾端部(311b)位于绕组体 30)相对于负极片(36)的宽度方向(x方向)和第二正极合剂层(312)的卷绕后端部(312b)位于绕线体的外侧 30)相对于负极片(36)的宽度方向(x方向)。