公开(公告)号：US06812187B1

公开(公告)日：2004-11-02

申请号：US10627743

申请日：2003-07-28

申请人： Chan-ho Pak ,  Ji-man Kim ,  Hyung-ik Lee

发明人： Chan-ho Pak ,  Ji-man Kim ,  Hyung-ik Lee

IPC分类号： B01J2118

CPC分类号： H01M4/926 ,  B01J20/20 ,  B01J20/28057 ,  B01J20/2808 ,  B01J20/30 ,  B01J20/3057 ,  B01J21/18 ,  B01J23/42 ,  B01J37/0018 ,  B01J37/084 ,  C01B32/00 ,  H01M4/92

摘要： A method for manufacturing a carbon molecular sieve with increased microporosity; a method for manufacturing a carbon molecular sieve with increased microporosity and improved structural regularity; a carbon molecular sieve with increased microporosity; a carbon molecular sieve with increased microporosity and improved structural regularity; a catalyst for a fuel cell using the carbon molecular sieve; and a fuel cell using the catalyst are provided.

摘要翻译： 具有增加的微孔的碳分子筛的制造方法; 制造具有增加的微孔性和改善的结构规整性的碳分子筛的方法; 具有增加的微孔的碳分子筛; 具有增加的微孔和增加的结构规律性的碳分子筛; 用于使用碳分子筛的燃料电池的催化剂; 并提供使用该催化剂的燃料电池。

公开(公告)号：US20070270305A1

公开(公告)日：2007-11-22

申请号：US11708600

申请日：2007-02-21

申请人： Chan-ho Pak ,  Dae-jong Yoo ,  Sang-hoon Joo ,  Hyuk Chang ,  Seol-ah Lee

发明人： Chan-ho Pak ,  Dae-jong Yoo ,  Sang-hoon Joo ,  Hyuk Chang ,  Seol-ah Lee

IPC分类号： B01J31/00

CPC分类号： H01M4/926 ,  H01M4/8657 ,  H01M4/8814 ,  H01M4/885 ,  H01M4/92 ,  H01M4/921 ,  H01M8/1007 ,  H01M8/1011 ,  Y02E60/523 ,  Y02P70/56

摘要： A method of preparing a supported catalyst, the method comprising mixing a first catalytic metal precursor and a first solvent to obtain a first catalytic metal precursor mixture; mixing a carbon support for catalyst and the first catalytic metal precursor mixture, and drying the mixture to obtain a primary supported catalyst precursor; subjecting the primary supported catalyst precursor to a hydrogen reduction heat treatment, to obtain a primary supported catalyst; mixing the primary supported catalyst and a polyhydric alcohol to obtain a primary supported catalyst mixture; mixing a second catalytic metal precursor and a second solvent to obtain a second catalytic metal precursor mixture; mixing the primary supported catalyst mixture and the second catalytic metal precursor mixture to obtain a secondary supported catalyst precursor mixture; and adjusting the pH of the secondary supported catalyst precursor mixture, and then heating the secondary supported catalyst precursor mixture to obtain a supported catalyst, a supported catalyst prepared by the method, an electrode comprising the supported catalyst, and a fuel cell including the electrode are provided. A supported catalyst having a desired amount of loaded catalytic metal particles can be obtained by preparing a primary supported catalyst containing catalytic metal particles that are obtained by a primary gas phase reduction reaction of a portion of the final loading amount of catalytic metal, and reducing the remaining portion of the catalytic metal by a secondary liquid phase reduction reaction. The supported catalyst contains catalytic metal particles having a very small average particle size, which are uniformly distributed on a carbon support at a high concentration, and thus exhibits maximal catalyst activity. A fuel cell produced using the supported catalyst has improved efficiency.

摘要翻译： 一种制备负载型催化剂的方法，所述方法包括混合第一催化金属前体和第一溶剂以获得第一催化金属前体混合物; 混合催化剂用碳载体和第一催化金属前体混合物，干燥混合物得到主要负载型催化剂前体; 对初级负载催化剂前体进行氢还原热处理，得到主要负载型催化剂; 将主要负载型催化剂和多元醇混合，得到主要负载型催化剂混合物; 混合第二催化金属前体和第二溶剂以获得第二催化金属前体混合物; 将主要负载的催化剂混合物和第二催化金属前体混合物混合，得到二次负载催化剂前体混合物; 调节二次负载型催化剂前体混合物的pH，然后加热二次负载型催化剂前体混合物，得到负载型催化剂，通过该方法制备的负载催化剂，包含负载型催化剂的电极和包含该电极的燃料电池 提供。 具有所需量的负载的催化金属颗粒的负载型催化剂可以通过制备含有催化金属颗粒的主负载催化剂获得，所述催化金属颗粒是通过催化金属的最终负载量的一部分一次气相还原反应获得的， 催化金属的剩余部分通过二次液相还原反应。 载体催化剂含有平均粒径非常小的催化金属颗粒，其以高浓度均匀分布在碳载体上，因此表现出最大的催化剂活性。 使用负载型催化剂制造的燃料电池具有提高的效率。

公开(公告)号：US20080107956A1

公开(公告)日：2008-05-08

申请号：US11690341

申请日：2007-03-23

申请人： Dae-jong Yoo ,  Chan-ho Pak ,  Hyuk Chang ,  Sang-hoon Joo

发明人： Dae-jong Yoo ,  Chan-ho Pak ,  Hyuk Chang ,  Sang-hoon Joo

IPC分类号： H01M4/92 ,  B01J23/14 ,  B01J23/42 ,  B01J23/44 ,  B01J23/46 ,  B01J23/52 ,  H01M4/88 ,  H01M4/90

CPC分类号： H01M4/92 ,  H01M4/8657 ,  H01M4/8885

摘要： A catalyst, a method of preparing the catalyst, and a fuel cell using the catalyst. The catalyst includes a catalyst metal particle, and a porous coating layer of a conductive ceramic material disposed on the surface of the catalyst metal particle. The catalyst has a methanol tolerance index of 80%, or more, a smaller particle size than a commercially available Pt-black catalyst manufactured through a polyol process. The catalyst can include a PT catalyst metal particle that is surface treated, or coated, with a conductive ceramic ATO. The catalyst has an excellent ORR activity in the presence of methanol, and an enhanced tolerance with respect to methanol. A fuel cell, including an electrode manufactured using the catalyst, has a high energy density and a high fuel efficiency.

摘要翻译： 催化剂，制备催化剂的方法和使用该催化剂的燃料电池。 催化剂包括催化剂金属颗粒和设置在催化剂金属颗粒表面上的导电陶瓷材料的多孔涂层。 与通过多元醇法制造的市售Pt-black催化剂相比，催化剂的甲醇耐受指数为80％以上，粒径小。 催化剂可以包括用导电陶瓷ATO进行表面处理或涂覆的PT催化剂金属颗粒。 该催化剂在甲醇存在下具有优异的ORR活性，并且相对于甲醇具有增强的耐受性。 包括使用该催化剂制造的电极的燃料电池具有高能量密度和高燃料效率。

公开(公告)号：US07994088B2

公开(公告)日：2011-08-09

申请号：US11708600

申请日：2007-02-21

申请人： Chan-ho Pak ,  Dae-jong Yoo ,  Sang-hoon Joo ,  Hyuk Chang ,  Seol-ah Lee

发明人： Chan-ho Pak ,  Dae-jong Yoo ,  Sang-hoon Joo ,  Hyuk Chang ,  Seol-ah Lee

IPC分类号： H01M4/88 ,  B01J21/18 ,  B01J23/00 ,  B01J23/40 ,  B01J23/74 ,  H01M4/02 ,  H01M4/36 ,  H01M4/92 ,  H01M4/94 ,  H01M4/90

CPC分类号： H01M4/926 ,  H01M4/8657 ,  H01M4/8814 ,  H01M4/885 ,  H01M4/92 ,  H01M4/921 ,  H01M8/1007 ,  H01M8/1011 ,  Y02E60/523 ,  Y02P70/56

摘要： A method of preparing a supported catalyst, a supported catalyst prepared by the method, and a fuel cell using the supported catalyst. In particular, a method of preparing a supported catalyst by preparing a primary supported catalyst containing catalytic metal particles that are obtained by a primary gas phase reduction reaction of a portion of the final loading amount of a catalytic metal, and reducing the remaining portion of the catalytic metal by a secondary liquid phase reduction reaction using the primary supported catalyst. The supported catalyst contains catalytic metal particles having a very small average particle size, which are uniformly distributed on a carbon support at a high concentration, and thus exhibits maximal catalyst activity. A fuel cell produced using the supported catalyst has improved efficiency.

摘要翻译： 制备载体催化剂的方法，通过该方法制备的负载催化剂和使用负载型催化剂的燃料电池。 特别是制备负载型催化剂的方法，该方法是通过制备含有催化金属颗粒的主载体催化剂，所述催化剂金属颗粒是通过催化金属的最终负载量的一部分的一次气相还原反应获得的，并且还原剩余部分 催化金属通过使用主要负载催化剂的二次液相还原反应。 载体催化剂含有平均粒径非常小的催化金属颗粒，其以高浓度均匀分布在碳载体上，因此表现出最大的催化剂活性。 使用负载型催化剂制造的燃料电池具有提高的效率。

公开(公告)号：US07732094B2

公开(公告)日：2010-06-08

申请号：US11443165

申请日：2006-05-31

申请人： Chan-ho Pak ,  Yeong-suk Choi ,  Hyuk Chang ,  Sang Hoon Joo

发明人： Chan-ho Pak ,  Yeong-suk Choi ,  Hyuk Chang ,  Sang Hoon Joo

IPC分类号： H01M4/60 ,  H01M4/62 ,  H01M4/88 ,  B01J31/00

CPC分类号： B01J21/18 ,  B01J23/42 ,  B01J29/0308 ,  B01J35/10 ,  B01J35/1023 ,  B01J35/1047 ,  B01J35/1061 ,  B01J37/0018 ,  B01J37/084 ,  H01M4/90 ,  H01M4/9083 ,  H01M4/926 ,  H01M8/08 ,  H01M8/086 ,  H01M8/10 ,  H01M8/1007 ,  H01M8/1011 ,  Y02E60/523 ,  Y02P70/56

摘要： A mesoporous carbon composite includes mesoporous carbon having mesopores; a conductive polymer coated on only an outer surface of the mesoporous carbon; and an organic electrolyte. The mesoporous carbon composite may be prepared by impregnating an ordered mesoporous silica (OMS) with a mixture comprising a carbon precursor, an acid, and a solvent; heat-treating and carbonizing the impregnated OMS to form an OMS-carbon composite; mixing the OMS-carbon composite with a monomer that forms a conductive polymer and a solvent to provide a surface of the OMS-carbon composite with the monomer; polymerizing the monomer to obtain a conductive polymer-coated OMS-carbon composite; removing the OMS from the composite to obtain a conductive polymer-coated mesoporous carbon; and doping the conductive polymer-coated mesoporous carbon with an organic electrolyte. A supported catalyst and a fuel cell include the mesoporous carbon composite.

摘要翻译： 介孔碳复合材料包括具有中孔的中孔碳; 只涂覆在介孔碳外表面上的导电聚合物; 和有机电解质。 介孔碳复合材料可以通过用含有碳前体，酸和溶剂的混合物浸渍有序介孔二氧化硅（OMS）来制备; 对浸渍的OMS进行热处理和碳化以形成OMS-碳复合材料; 将OMS-碳复合物与形成导电聚合物和溶剂的单体混合以提供OMS-碳复合材料与单体的表面; 聚合单体以获得导电聚合物涂覆的OMS-碳复合材料; 从复合材料中除去OMS以获得导电聚合物涂覆的介孔碳; 并用有机电解质掺杂导电聚合物涂覆的中孔碳。 载体催化剂和燃料电池包括介孔碳复合材料。

公开(公告)号：US20070269699A1

公开(公告)日：2007-11-22

申请号：US11708599

申请日：2007-02-21

申请人： Chan-ho Pak ,  Seol-ah Lee ,  Hyuk Chang ,  Ji-rae Kim ,  Dae-jong Yoo ,  Sang-hoon Joo

发明人： Chan-ho Pak ,  Seol-ah Lee ,  Hyuk Chang ,  Ji-rae Kim ,  Dae-jong Yoo ,  Sang-hoon Joo

IPC分类号： H01M8/10

CPC分类号： H01M4/921 ,  H01M4/8657 ,  H01M4/8668 ,  H01M4/881 ,  H01M4/8814 ,  H01M4/8828 ,  H01M4/8875 ,  H01M4/8882 ,  H01M4/926 ,  H01M4/928

摘要： A catalyst coated membrane (CCM) comprising an anode catalyst layer having a first catalyst layer composed of a non-supported catalyst and a second catalyst layer composed of a supported catalyst, a cathode catalyst layer composed of a supported catalyst, and an electrolyte membrane interposed between the anode catalyst layer and a cathode catalyst layer, the first catalyst layer of the anode catalyst layer being disposed adjacent to the electrolyte membrane; a membrane electrode assembly (MEA) comprising the catalyst coated membrane; a method of preparing the membrane electrode assembly; and a fuel cell comprising the membrane electrode assembly, are provided. The CCM, which comprises a bilayered anode catalyst layer including the first catalyst layer composed of a non-supported catalyst and the second catalyst layer composed of a supported catalyst, exhibits reduced electrical resistance and interfacial resistance, and has increased catalyst availability. The use of the CCM and an MEA having the same results in a decrease in the interfacial resistance between the electrodes and the electrolyte membrane, a decrease in the amount of the catalyst used in the electrode catalyst layer, and a decrease in the thickness deviation in the electrode layers. The fuel cell employing the MEA exhibits maximal activity of the supported catalyst, and has improved cell characteristics such as output voltage, output density, efficiency, and the like.

摘要翻译： 一种催化剂涂覆膜（CCM），其包括具有由非负载型催化剂构成的第一催化剂层和由负载型催化剂构成的第二催化剂层的阳极催化剂层，由负载型催化剂构成的阴极催化剂层和插入 在阳极催化剂层和阴极催化剂层之间，阳极催化剂层的第一催化剂层设置在电解质膜附近; 包含所述催化剂涂覆膜的膜电极组件（MEA） 一种制备膜电极组件的方法; 以及包括膜电极组件的燃料电池。 包含由非载体催化剂构成的第一催化剂层和由负载型催化剂构成的第二催化剂层的双层阳极催化剂层的CCM显示出降低的电阻和界面电阻，并且提高了催化剂的可利用性。 使用具有相同结果的CCM和MEA在电极和电解质膜之间的界面电阻降低，电极催化剂层中使用的催化剂量的减少以及厚度偏差的降低 电极层。 使用MEA的燃料电池显示出负载型催化剂的最大活性，并且具有改善的电池特性，例如输出电压，输出密度，效率等。

公开(公告)号：US20070042268A1

公开(公告)日：2007-02-22

申请号：US11443165

申请日：2006-05-31

申请人： Chan-ho Pak ,  Yeong-suk Choi ,  Hyuk Chang ,  Sang-hoon Joo

发明人： Chan-ho Pak ,  Yeong-suk Choi ,  Hyuk Chang ,  Sang-hoon Joo

IPC分类号： H01M4/60 ,  H01M4/62 ,  B01J31/00 ,  B01J21/18

CPC分类号： B01J21/18 ,  B01J23/42 ,  B01J29/0308 ,  B01J35/10 ,  B01J35/1023 ,  B01J35/1047 ,  B01J35/1061 ,  B01J37/0018 ,  B01J37/084 ,  H01M4/90 ,  H01M4/9083 ,  H01M4/926 ,  H01M8/08 ,  H01M8/086 ,  H01M8/10 ,  H01M8/1007 ,  H01M8/1011 ,  Y02E60/523 ,  Y02P70/56

摘要： A mesoporous carbon composite includes mesoporous carbon having mesopores; a conductive polymer coated on only an outer surface of the mesoporous carbon; and an organic electrolyte comprising a lithium salt and an organic solvent. The mesoporous carbon composite may be prepared by impregnating an ordered mesoporous silica (OMS) with a carbon precursor mixture comprising a carbon precursor, an acid, and a solvent; heat-treating and carbonizing the impregnated OMS to form an OMS-carbon composite; mixing the OMS-carbon composite with a monomer that forms a conductive polymer and a solvent to provide a surface of the OMS-carbon composite with the monomer that forms a conductive polymer; polymerizing the monomer to obtain a conductive polymer-coated OMS-carbon composite; removing the OMS from the conductive polymer-coated OMS-carbon composite to obtain a conductive polymer-coated mesoporous carbon; and doping the conductive polymer-coated mesoporous carbon with an organic electrolyte comprising a lithium salt and an organic solvent to form the mesoporous carbon composite. A supported catalyst contains the mesoporous carbon composite, and a fuel cell uses an electrode containing the mesoporous carbon composite.

摘要翻译： 介孔碳复合材料包括具有中孔的中孔碳; 只涂覆在介孔碳外表面上的导电聚合物; 以及包含锂盐和有机溶剂的有机电解质。 介孔碳复合材料可以通过用含碳前体，酸和溶剂的碳前体混合物浸渍有序介孔二氧化硅（OMS）来制备; 对浸渍的OMS进行热处理和碳化以形成OMS-碳复合材料; 将OMS-碳复合物与形成导电聚合物和溶剂的单体混合以提供OMS-碳复合材料与形成导电聚合物的单体的表面; 聚合单体以获得导电聚合物涂覆的OMS-碳复合材料; 从导电聚合物涂覆的OMS-碳复合材料中除去OMS以获得导电聚合物涂覆的介孔碳; 并用包含锂盐和有机溶剂的有机电解质掺杂导电聚合物涂覆的介孔碳以形成中孔碳复合物。 载体催化剂含有介孔碳复合材料，燃料电池使用含有介孔碳复合材料的电极。

公开(公告)号：US07220697B2

公开(公告)日：2007-05-22

申请号：US10992211

申请日：2004-11-19

申请人： Chan-ho Pak ,  Hyuk Chang ,  Ji-man Kim

发明人： Chan-ho Pak ,  Hyuk Chang ,  Ji-man Kim

IPC分类号： B01J21/18 ,  B01J23/40 ,  C01B31/08 ,  C01B31/02 ,  D01F9/12

CPC分类号： B01J35/1061 ,  B01J21/18 ,  B01J23/42 ,  B01J29/0308 ,  B01J37/06 ,  B01J37/084 ,  C01B32/00 ,  H01M4/9083 ,  H01M4/926

摘要： The present invention is related to a mesoporous carbon molecular sieve, which can be used as a catalyst carrier capable of improving the activity of a supported catalyst and a method of preparing the same. Additionally, the invention is related to a supported catalyst employing the mesoporous carbon molecular sieve as a carrier, and a fuel cell employing the supported catalyst. The mesoporous carbon molecular sieve has an average primary particle size of less than about 500 nm, an average mesopore size in the range of about 3 nm to about 6 nm, and a surface area in the range of about 500 m2/g to about 2000 m2/g.

摘要翻译： 本发明涉及可用作能够提高负载型催化剂的活性的催化剂载体的介孔碳分子筛及其制备方法。 另外，本发明涉及使用中孔碳分子筛作为载体的负载催化剂和使用负载型催化剂的燃料电池。 介孔碳分子筛的平均一次粒径小于约500nm，平均中孔尺寸在约3nm至约6nm的范围内，表面积在约500μm2范围内， /约至约2000m 2 / g。

公开(公告)号：US09180431B2

公开(公告)日：2015-11-10

申请号：US13360892

申请日：2012-01-30

申请人： Chan-ho Pak ,  Hyuk Chang ,  Ji-man Kim

发明人： Chan-ho Pak ,  Hyuk Chang ,  Ji-man Kim

IPC分类号： B01J35/10 ,  H01M8/10 ,  B01J21/18 ,  B01J29/03 ,  B01J37/00 ,  C01B31/00 ,  H01M4/90

CPC分类号： B01J21/18 ,  B01J29/0308 ,  B01J35/1066 ,  B01J37/0018 ,  C01B32/00 ,  H01M4/9016 ,  H01M4/9083 ,  H01M8/1011 ,  Y02E60/523 ,  Y02P70/56

摘要： A hierarchical mesoporous carbon is provided in which a total volume of mesopores of the hierarchical mesoporous carbon is 80% or greater of a total volume of pores of the hierarchical mesoporous carbon; a volume of mesopores with a average diameter greater than 20 nm and no greater than 50 nm is 3% or greater of the total volume of the pores; and a volume of mesopores with a average diameter greater than 2 nm and no greater than 10 nm is 65% or greater of the total volume of the pores. The hierarchical mesoporous carbon, which also contains macropores, has an optimized mesoporous distribution characteristic, and has an increased total volume of pores, thereby having a significantly improved catalytic activity when used as a catalyst support. When such a supported catalyst is used in a fuel cell, supply of fuel and transporting of byproducts are facilitated.

摘要翻译： 提供了分级介孔碳，其中分层介孔碳的介孔的总体积为分级介孔碳的总体积的80％或更大; 平均直径大于20nm且不大于50nm的介孔的体积为孔的总体积的3％或更大; 并且平均直径大于2nm且不大于10nm的体积的介孔为孔的总体积的65％或更大。 还含有大孔的层状中孔碳具有优化的介孔分布特征，并且具有增加的孔体积，从而当用作催化剂载体时具有显着改善的催化活性。 当这种负载型催化剂用于燃料电池中时，燃料的供应和副产物的运输便利。

公开(公告)号：US08557212B2

公开(公告)日：2013-10-15

申请号：US11265177

申请日：2005-11-03

申请人： Chan-ho Pak ,  Hyuk Chang ,  Dae-jong Yoo ,  Ji-man Kim

发明人： Chan-ho Pak ,  Hyuk Chang ,  Dae-jong Yoo ,  Ji-man Kim

IPC分类号： C01B31/00 ,  C01B31/02 ,  D01F9/12 ,  H01M4/02 ,  H01M4/36 ,  H01M4/62

CPC分类号： B01J21/185 ,  B01J23/42 ,  B01J29/0308 ,  B01J35/10 ,  B01J35/1061 ,  B82Y30/00 ,  C01B33/124 ,  C01B37/02 ,  C04B35/14 ,  C04B35/521 ,  C04B35/524 ,  C04B35/80 ,  C04B35/83 ,  C04B38/00 ,  C04B38/0045 ,  C04B38/045 ,  C04B2111/0081 ,  C04B2111/00853 ,  C04B2235/3201 ,  C04B2235/3217 ,  C04B2235/483 ,  C04B2235/5288 ,  C04B2235/6028 ,  H01M4/8673 ,  H01M4/92 ,  H01M4/926 ,  H01M2008/1095 ,  C04B14/026 ,  C04B28/24 ,  C04B38/0054 ,  C04B28/26 ,  C04B38/0022 ,  C04B38/0064

摘要： Provided are a CNT-mesoporous silica composite, a CNT-mesoporous carbon composite, a supported catalyst using the CNT-mesoporous carbon composite as a support, and a fuel cell using the supported catalyst as the anode, cathode, or both anode and cathode. The CNT-mesoporous carbon composite is prepared using the CNT-mesoporous silica composite. The CNT-mesoporous carbon composite has a high electrical conductivity due to the CNTs contained therein, and thus, when the CNT-mesoporous carbon composite is used in an electrode of a fuel cell, the fuel cell has a remarkably improved performance relative to the conventional catalyst support which does not contain CNTs.

摘要翻译： 提供了CNT-介孔二氧化硅复合材料，CNT-介孔碳复合材料，使用CNT-介孔碳复合材料作为载体的负载催化剂，以及使用负载型催化剂作为阳极，阴极或阳极和阴极的燃料电池。 使用CNT-介孔二氧化硅复合材料制备CNT-介孔碳复合材料。 CNT-中孔碳复合材料由于其中包含的CNT而具有高的导电性，因此当将CNT-介孔碳复合材料用于燃料电池的电极时，燃料电池相对于传统的碳纳米管具有显着提高的性能 不含CNT的催化剂载体。