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    • 3. 发明申请
    • NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY
    • 非水电解质二次电池
    • US20090047580A1
    • 2009-02-19
    • US12181669
    • 2008-07-29
    • Ryosuke TakagiHiroyuki SuzukiHiroshi Imoto
    • Ryosuke TakagiHiroyuki SuzukiHiroshi Imoto
    • H01M2/16
    • H01M10/0585H01M2/14H01M2/18
    • A non-aqueous electrolyte secondary battery is provided and includes a battery element in which a positive electrode having a positive electrode active material layer provided on a positive electrode collector and a negative electrode having a negative electrode active material layer provided on a negative electrode collector are stacked via a separator, and an edge of the negative electrode is disposed so as to protrude along the planar direction relative to an edge of the positive electrode. A positive electrode terminal is connected to the positive electrode, and a negative electrode terminal is connected to the negative electrode. The negative electrode terminal has a contact piece intersecting with the continuous direction of the edge of the negative electrode and intersecting with the planar direction of the negative electrode. The contact piece comprehensively cleaves and contacts a plurality of the edges of the negative electrode.
    • 本发明提供一种非水电解质二次电池,其特征在于,具备在正极集电体上具有正极活性物质层的正极和在负极集电体上设置有负极活性物质层的负极的电池元件, 通过隔膜层叠,负极的边缘相对于正极的边缘沿着平面方向突出设置。 正极端子与正极连接,负极端子与负极连接。 负极端子具有与负极的边缘的连续方向相交且与负极的平面方向交叉的接触片。 接触片全面地切断并接触负极的多个边缘。
    • 7. 发明授权
    • Anode material and method of manufacturing the same
    • 阳极材料及其制造方法
    • US5716732A
    • 1998-02-10
    • US812734
    • 1997-03-06
    • Hiroshi ImotoAtsuo OmaruHideto AzumaYoshio NishiYoshihisa GonnoMasayuki Nagamine
    • Hiroshi ImotoAtsuo OmaruHideto AzumaYoshio NishiYoshihisa GonnoMasayuki Nagamine
    • H01M4/1393H01M4/48H01M4/485H01M4/58H01M4/587H01M10/0525H01M10/36H01M6/00
    • H01M4/587H01M10/0525H01M4/583H01M4/1393H01M4/485
    • An anode material consisting of non-graphitizable carbon material obtained by baking a carbon precursor is disclosed. In this non-graphitizable carbon material, a ratio by weight of carbon Ps in a stacking structure as determined from diffraction peak originating in a (002) crystal lattice plane and X-ray diffraction spectrum components on the lower angle side with respect to the diffraction peak originating in the (002) crystal lattice plane of X-ray diffraction spectrum is smaller than 0.59, or the stacking index SI thereof is smaller than 0.76. Moreover, an average number of carbon layers n.sub.ave in a stacking structure is smaller than 2.46. Alternatively, when the baking temperature is T.degree.C. and the half width at half maximum of the peak appearing in the vicinity of 1340 cm.sup.-1 in the Raman spectrum is HW, the condition expressed below is satisfied. HW>138-0.06.multidot.T This non-graphitizable carbon material is manufactured by allowing the carbon precursor which becomes non-graphitizable carbon by baking to undergo heat treatment at a temperature 600.degree. C. or more under an inactive gas atmosphere of flow rate of 0.1 ml/sec. or more per 1 g of carbon precursor, or to undergo heat treatment at a temperature 600.degree. C. or more under an atmosphere of pressure less than 50 kPa. At this time, carbon precursor is mounted in a layered form so that the area in contact with the atmosphere is 10 cm.sup.2 or more per 1 Kg.
    • 公开了一种由通过焙烧碳前体获得的不可石墨化碳材料构成的负极材料。 在该非石墨化碳材料中,由源于(002)晶格面的衍射峰确定的层叠结构中的碳Ps的重量比和相对于衍射的下角侧的X射线衍射光谱成分 源于X射线衍射光谱的(002)晶格面的峰值小于0.59,或者其堆积指数SI小于0.76。 此外,层叠结构中的碳层的平均数量小于2.46。 或者,当烘烤温度为T℃时,在拉曼光谱中出现在1340cm -1附近的峰的半值宽度为HW时,满足以下表达的条件.HW> 138-0.06xTThis 不可石墨化的碳材料是通过在惰性气体气氛下以0.1ml / sec的流动速率在600℃或更高的温度下进行焙烧,使成为不可石墨化碳的碳前体进行热处理来制造的。 或更多的碳前体,或者在低于50kPa的压力的气氛下,在600℃以上的温度下进行热处理。 此时,碳前驱体以层叠的形式安装,使得与大气接触的面积为每1Kg为10cm 2以上。