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    • 1. 发明申请
    • Anode catalyst for polymer electrolyte fuel cell
    • 用于聚合物电解质燃料电池的阳极催化剂
    • US20070178363A1
    • 2007-08-02
    • US10592000
    • 2005-03-04
    • Naoko FujiwaraKazuaki YasudaAtsushi UedaYoshinori MiyazakiTsutomu TanimitsuYukino Shiozaki
    • Naoko FujiwaraKazuaki YasudaAtsushi UedaYoshinori MiyazakiTsutomu TanimitsuYukino Shiozaki
    • H01M4/92H01M4/88
    • H01M4/8882H01M4/8605H01M4/921H01M4/926H01M8/1007Y02P70/56
    • Disclosed are a method for producing an anode catalyst for a polymer electrolyte fuel cell, comprising a first supporting step of adhering at least one element selected from the group consisting of the elements of group 4, elements of group 5 and elements of group 6 of the periodic table to a conductive support, and subsequently conducting a heat treatment in a non-oxidizing atmosphere, and a second supporting step of adhering platinum and ruthenium on the support obtained in the first supporting step, and subsequently conducting a heat treatment in a non-oxidizing atmosphere; and an anode catalyst for a polymer electrolyte fuel cell obtainable in accordance with this method, the catalyst comprising catalytic metal components supported in a highly dispersed manner on a conductive support. The catalyst provided in accordance with the present invention exhibits excellent performance as an anode catalyst for a polymer electrolyte fuel cell, and more particularly, excellent carbon monoxide oxidation properties and alcohol oxidation properties.
    • 公开了一种用于制造用于聚合物电解质燃料电池的阳极催化剂的方法,包括:第一支持步骤,其将选自第4组元素,第5族元素和第6族元素的至少一种元素 周期表到导电载体,随后在非氧化性气氛中进行热处理,以及将铂和钌粘附在第一支持步骤中得到的载体上,然后在非氧化性气氛中进行热处理的第二支撑步骤, 氧化气氛; 以及根据该方法获得的用于聚合物电解质燃料电池的阳极催化剂,所述催化剂包含以高度分散的方式负载在导电载体上的催化金属组分。 根据本发明提供的催化剂作为用于聚合物电解质燃料电池的阳极催化剂表现出优异的性能,更具体地说,具有优异的一氧化碳氧化性能和醇氧化性能。
    • 6. 发明申请
    • NONAQUEOUS ELECTROLYTE SECONDARY BATTERY
    • 非电解电解质二次电池
    • US20120009452A1
    • 2012-01-12
    • US13257675
    • 2010-07-20
    • Atsushi Ueda
    • Atsushi Ueda
    • H01M4/131H01M10/36
    • H01M4/5825H01M4/13H01M4/587H01M4/625H01M10/0525
    • Disclosed is a nonaqueous electrolyte secondary battery wherein the energy density is improved by increasing the range of depth of discharge to be used. Specifically disclosed is a lithium ion secondary battery 20 wherein an electrode group 6 is contained within a battery case 7. The electrode group 6 is formed by winding a positive electrode plate W1 and a negative electrode plate W3 with a separator W5 interposed therebetween. The positive electrode plate W1 has positive-electrode mixture layers W2 which are formed on both surfaces of an aluminum foil and contain a positive-electrode active material. The positive-electrode active material contains lithium iron phosphate as a principal component. The negative electrode plate W3 has negative-electrode mixture layers W4 which are formed on both surfaces of a rolled copper foil and contain a negative-electrode active material. The negative-electrode active material contains a mixture of a graphite material as a principal component and an amorphous carbon material as a secondary component. The positive electrode plate W1 has a positive-electrode initial charge/discharge efficiency of e1, the negative electrode plate W3 has a negative-electrode initial charge/discharge efficiency of e2, and e1 and e2 satisfy the relation of formula e2=e1−x (10≦x≦20). This avoids usage of the high resistance region of the positive electrode plate W1.
    • 公开了一种非水电解质二次电池,其中通过增加使用的放电深度的范围来改善能量密度。 具体公开了一种锂离子二次电池20,其中电极组6包含在电池壳体7内。电极组6通过将隔板W5夹在其间的正极板W1和负极板W3卷绕而形成。 正极板W1具有形成在铝箔的两面并且含有正极活性物质的正极复合层W2。 正极活性物质含有磷酸铁锂作为主要成分。 负极板W3具有负极混合层W4,它们形成在轧制的铜箔的两个表面上并含有负极活性材料。 负极活性物质含有作为主要成分的石墨材料和作为次要成分的无定形碳材料的混合物。 正极板W1具有e1的正极初始充放电效率,负极板W3具有e2的负极初始充放电效率,e1和e2满足公式e2 = e1-x的关系 (10≦̸ x&nl; 20)。 这避免了正极板W1的高电阻区域的使用。