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    METHOD FOR PREPARING MnO2/CARBON COMPOSITE, MNO2/CARBON COMPOSITE PREPARED BY THE METHOD, AND LITHIUM-AIR SECONDARY BATTERY INCLUDING THE COMPOSITE
    1.
    发明申请
    METHOD FOR PREPARING MnO2/CARBON COMPOSITE, MNO2/CARBON COMPOSITE PREPARED BY THE METHOD, AND LITHIUM-AIR SECONDARY BATTERY INCLUDING THE COMPOSITE 审中-公开
    制备MnO2 /碳复合材料的方法，通过该方法制备的MNO 2 /碳复合材料和包括复合材料的锂空气二次电池

    公开(公告)号：US20130029233A1

    公开(公告)日：2013-01-31

    申请号：US13274656

    申请日：2011-10-17

    申请人： Ho Taek Lee ,  Kyoung Han Ryu ,  Yongsug Tak ,  Sung-Hyeon Baeck ,  Jinsub Choi ,  Ku Bong Chung ,  Tae Young Jang

    发明人： Ho Taek Lee ,  Kyoung Han Ryu ,  Yongsug Tak ,  Sung-Hyeon Baeck ,  Jinsub Choi ,  Ku Bong Chung ,  Tae Young Jang

    IPC分类号： H01M4/90 ,  B05D5/12 ,  B01J31/32

    CPC分类号： H01M4/96 ,  H01M4/382 ,  H01M4/90 ,  H01M12/08 ,  Y02E60/128

    摘要： Disclosed is a method for preparing an MnO2/carbon composite for a lithium-air secondary battery by preparing a precursor solution by dissolving permanganate powder in distilled water, preparing a MnO2/carbon composite by dispersing carbon in the precursor solution and using a reducing agent, and mixing the MnO2/carbon composite with polyvinylidene fluoride (PVdF) and supporting the mixture on nickel foam. According to the method for preparing a MnO2/carbon composite for a lithium-air secondary battery, the MnO2/carbon composite is prepared by dispersing carbon in a permanganate solution, instead of simply mixing carbon with manganese oxide, and thus the binding force between carbon and manganese oxide and the dispersion of carbon in manganese oxide can increase. The MnO2/carbon composite prepared by the above method has improved catalytic performance as an air electrode for a lithium-air secondary battery and thus can be effectively used as an electrode material for lithium-air secondary batteries.

    摘要翻译： 公开了一种通过将高锰酸盐粉末溶解在蒸馏水中制备前体溶液，通过在前体溶液中分散碳并使用还原剂制备MnO 2 /碳复合材料来制备锂 - 二次电池的MnO 2 /碳复合物的方法， 并将MnO 2 /碳复合物与聚偏二氟乙烯（PVdF）混合，并将该混合物负载在镍泡沫上。 根据制备用于锂空气二次电池的MnO 2 /碳复合材料的方法，通过将碳分散在高锰酸盐溶液中制备MnO 2 /碳复合物，而不是简单地将碳与氧化锰混合，因此碳之间的结合力 并且氧化锰和碳在氧化锰中的分散体可以增加。 通过上述方法制备的MnO 2 /碳复合材料作为锂空气二次电池的空气电极具有改善的催化性能，因此可以有效地用作锂空气二次电池的电极材料。

    TECHNIQUE FOR MANUFACTURING PLATINUM-MANGANESE DIOXIDE/CARBON COMPLEX FOR USE IN POSITIVE ELECTRODE OF LITHIUM-AIR BATTERY
    3.
    发明申请
    TECHNIQUE FOR MANUFACTURING PLATINUM-MANGANESE DIOXIDE/CARBON COMPLEX FOR USE IN POSITIVE ELECTRODE OF LITHIUM-AIR BATTERY 有权
    制造用于锂离子电池正电极的二氧化锗/二氧化碳/碳复合物的技术

    公开(公告)号：US20130022529A1

    公开(公告)日：2013-01-24

    申请号：US13273517

    申请日：2011-10-14

    申请人： Ho Taek Lee ,  Kyoung Han Ryu ,  Yongsug Tak ,  Sung-Hyeon Baeck ,  Jinsub Choi ,  Jin Yong Shim

    发明人： Ho Taek Lee ,  Kyoung Han Ryu ,  Yongsug Tak ,  Sung-Hyeon Baeck ,  Jinsub Choi ,  Jin Yong Shim

    IPC分类号： C01G55/00

    CPC分类号： C01G45/02 ,  C01P2002/72 ,  C01P2004/04 ,  H01M4/8652 ,  H01M4/9083 ,  H01M4/926 ,  H01M12/08 ,  H01M2004/8689 ,  Y02E60/128 ,  Y02E60/50

    摘要： Disclosed is a method for preparing a platinum-manganese dioxide/carbon complex for a positive-electrode material of a lithium-air battery. More specifically, a manganese dioxide/carbon complex is prepared by dispersing carbon in a manganese dioxide precursor solution and applying microwaves, filtering and drying to the resulting solution. Next a platinum-manganese dioxide/carbon complex is prepared by dispersing the manganese dioxide/carbon complex in ethylene glycol, adding a platinum precursor and applying microwaves to the resulting solution. The platinum-manganese dioxide/carbon complex synthesized according to the present invention exhibits lower overvoltage and higher current density in oxygen reduction and oxidation reactions as compared to either a manganese dioxide/carbon complex or a platinum/carbon complex.

    摘要翻译： 公开了一种用于制备锂 - 空气电池的正极材料的铂 - 二氧化锰/碳络合物的方法。 更具体地，通过将​​碳分散在二氧化锰前体溶液中并施加微波，过滤和干燥得到的溶液来制备二氧化锰/碳络合物。 接下来，通过将二氧化锰/碳配合物分散在乙二醇中，加入铂前体并向所得溶液施加微波来制备铂 - 二氧化锰/碳络合物。 与二氧化锰/碳络合物或铂/碳络合物相比，根据本发明合成的铂 - 二氧化锰/碳络合物在氧还原和氧化反应中表现出较低的过电压和较高的电流密度。