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    • 22. 发明授权
    • Secondary battery with a spirally-rolled electrode group
    • 具有螺旋卷绕电极组的二次电池
    • US08557410B2
    • 2013-10-15
    • US12550637
    • 2009-08-31
    • Isao MatsumotoHua ZhouKoji Kuwana
    • Isao MatsumotoHua ZhouKoji Kuwana
    • H01M10/00H01M10/02H01M10/04
    • H01M2/18H01M2/0413H01M2/263H01M10/0413H01M10/0431H01M10/0468
    • An electrode group E in which a positive electrode 1 and a negative electrode 2 are spirally-rolled interposing a separator 3 is contained in a bottomed cylindrical can 4. A metal exposure portion 1a provided on an end surface of the positive electrode 1 of the electrode group E or a metal-made current collecting plate 9 electrically connected to the metal exposure portion 1a (called a current collecting portion of a positive electrode) and a cover body 8 also functioning as a positive electrode terminal are electrically connected by a metal lead plate 5. One or more electrolyte resistant metal pressers 10 are arranged and electrically connected between the current collecting portion of the positive electrode and the cover body 8. The electrode group E is applied pressure by the cover body 8 and the bottom portion 4a of the bottomed cylindrical can 4.
    • 其中正极1和负极2螺旋卷绕插入隔板3的电极组E包含在有底圆筒形罐4中。设置在电极的正极1的端面上的金属曝光部分1a 电气连接到金属曝光部分1a(称为正电极的集电部分)的组E或金属制集电板9以及也用作正极端子的盖体8通过金属引线板电连接 一个或多个耐电解质的金属按压件10布置并电连接在正电极的集流部分和盖体8之间。电极组件E被盖体8和底部部分4a的底部部分4a施加 圆筒罐4。
    • 30. 发明授权
    • Metal outer can for a battery and method of manufacturing same
    • 金属外罐用于电池及其制造方法
    • US06333124B1
    • 2001-12-25
    • US09254365
    • 1999-03-04
    • Yoshio MoriwakiAkira IwaseSusumu KitaokaIsao Matsumoto
    • Yoshio MoriwakiAkira IwaseSusumu KitaokaIsao Matsumoto
    • H01M202
    • H01M2/0272B21D22/28H01M2/0202H01M2/0217H01M2/0225H01M2/027H01M2/0275H01M2/0287Y10T29/49108
    • A battery has elements for electromotive-force accommodated in a metal outer can which has a bottom having a cylindrical, prismatic or similar shape. The ratio of the bottom thickness (TA) the side thickness (TB) is 1.5-7.0. The metal outer can contains primarily iron and a layer of nickel is provided on at least the inner face of the battery. Shallow grooves are formed on the nickel layer perpendicular to the bottom face. An iron-based metallic sheet formed with a nickel layer on at least one face is subjected to drawing forming into a tubular shape having a bottom, continuous ironing processing being performed such that the side of the can formed in the tubular shape has an ironing ratio in the range of 20% to 90% and a metal outer can is thereby manufactured having a ratio of a bottom thickness to its side thickness from 1.5 to 7.0, having a cylindrical shape, prismatic shape or shape similar thereto, and with shallow longitudinal grooves formed in a nickel layer provided on the battery inside face.
    • 电池具有容纳在金属外罐中的电动势的元件,其具有圆柱形,棱柱形或类似形状的底部。 底部厚度(TA)与侧面厚度(TB)之比为1.5-7.0。 金属外壳主要包含铁,并且至少在电池的内表面上设置一层镍。 在垂直于底面的镍层上形成浅槽。 在至少一个面上形成有镍层的铁基金属片被拉伸成形为具有底部连续熨烫加工的管状,使得形成为管状的罐的侧面具有熨烫比 在20%至90%的范围内,并且由此制造具有底部厚度与其侧面厚度的比率为1.5至7.0的金属外罐,其具有圆柱形形状,棱柱形状或类似形状,并且具有浅纵向凹槽 形成在设置在电池内侧的镍层中。