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    ALUMINUM ALLOY SHEET FOR BATTERY CASE USE EXCELLENT IN FORMABILITY, HEAT DISSIPATION, AND WELDABILITY
    3.
    发明申请
    ALUMINUM ALLOY SHEET FOR BATTERY CASE USE EXCELLENT IN FORMABILITY, HEAT DISSIPATION, AND WELDABILITY 有权
    电池用铝合金板材具有良好的可加工性，散热性和焊接性

    公开(公告)号：US20150167126A1

    公开(公告)日：2015-06-18

    申请号：US14404313

    申请日：2013-05-23

    Applicant: NIPPON LIGHT METAL COMPANY, LTD.

    Inventor： Kenta Suzuki ,  Yasuyuki Oowada ,  Hisashi Hori ,  Kazumitsu Mizushima

    IPC: C22C21/00 ,  H01M2/02 ,  C22F1/04

    CPC classification number: C22C21/00 ,  B23K35/0233 ,  B23K35/286 ,  C22F1/04 ,  H01M2/0257 ,  H01M2/026 ,  H01M2/0262 ,  H01M2/0285 ,  H01M2002/0297

    Abstract: An aluminum alloy sheet having a heat dissipation characteristic that is applicable to a large-size lithium ion battery container, excellent in formability and shape freezability and excellent in laser weldability is provided. An aluminum alloy sheet comprising a cold rolled, annealed material containing Fe: 0.05 to less than 0.3 mass %, Mn: 0.6 to 1.5 mass %, and Si: 0.05 to 0.6 mass %, has a balance of Al and impurities Cu: less than 0.35 mass % and Mg: less than 0.05 mass %, has a conductivity exceeding 45% IACS, has a 0.2% proof strength of 40 to less than 60 MPa, and displays a 20% or more value of elongation is also provided. An aluminum alloy sheet comprising an as-cold-rolled material having a conductivity exceeding 45% IACS, a 0.2% proof strength of 60 to less than 150 MPa, and displaying 3% or more value of elongation is also provided.

    Abstract translation: 本发明提供一种具有散热特性的铝合金板材，其适用于大型锂离子电池容器，成形性和形状可熔性优异，激光焊接性优异。 包含Fe：0.05〜小于0.3质量％，Mn：0.6〜1.5质量％，Si：0.05〜0.6质量％的冷轧退火材料的铝合金板具有Al和杂质Cu的余量：小于 0.35质量％，Mg：小于0.05质量％，导电率超过45％IACS，具有40〜小于60MPa的0.2％抗弯强度，并且还提供了20％以上的伸长率。 还提供一种铝合金板，其包含电导率超过45％IACS，0.2％抗力强度为60至小于150MPa的冷轧材料，并且还显示出3％以上的伸长值。

    ALUMINUM ALLOY PLATE FOR BATTERY CASES, WHICH HAS EXCELLENT MOLDABILITY AND WELDABILITY
    4.
    发明申请
    ALUMINUM ALLOY PLATE FOR BATTERY CASES, WHICH HAS EXCELLENT MOLDABILITY AND WELDABILITY 有权
    电池用铝合金板，具有优异的成型性和焊接性

    公开(公告)号：US20150159243A1

    公开(公告)日：2015-06-11

    申请号：US14412327

    申请日：2013-07-19

    Applicant: Nippon Light Metal Company, Ltd.

    Inventor： Kenta Shzuki ,  Yasuyuki Oowada ,  Hisashi Hori ,  Keiji Kanamori

    IPC: C22C21/02 ,  C22C21/00 ,  H01M2/02

    CPC classification number: C22C21/02 ,  C22C21/00 ,  C22C21/14 ,  H01M2/0237 ,  H01M2/0257

    Abstract: Provided is a 1000-series aluminum alloy plate which has high strength applicable to large-size lithium ion battery cases and also has excellent moldability and excellent laser weldability. An aluminum alloy plate produced from a DC cast slab. The aluminum alloy plate has such a chemical composition comprising 0.01 to 0.4 mass % of Si, 0.01 to 0.5 mass % of Fe, 0.002 to 0.3 mass % of Co and a remainder made up by Al and impurities, wherein the content of Cu, which is contained as an impurity, is limited to less than 0.2 mass %. The aluminum alloy plate has a metallic structure in which the number of second phase particles each having an equivalent circle diameter of 3 μm or more is 110 particles/mm2 or more and less than 1000 particles/mm2. A cold-rolled and annealed plate produced from the aluminum alloy plate has an elongation value of 30% or more.

    Abstract translation: 本发明提供一种1000系列铝合金板，其具有高强度适用于大型锂离子电池壳体，并且还具有优异的成型性和优异的激光焊接性。 由直流铸造板坯制成的铝合金板。 铝合金板具有这样的化学组成，其包含Si：0.01〜0.4质量％，Fe：0.01〜0.5质量％，Co：0.002〜0.3质量％，Al构成的剩余部分和杂质，Cu的含量 作为杂质含有，限制在小于0.2质量％。 铝合金板具有金属结构，其中具有当量圆直径为3μm以上的第二相粒子的数量为110个/ mm 2以上且小于1000个/ mm 2。 由铝合金板制造的冷轧退火板的伸长率为30％以上。

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