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    • 1. 发明申请
    • ADVANCED MEMBRANE ELECTRODE ASSEMBLIES FOR FUEL CELLS
    • 用于燃料电池的高级膜电极组件
    • US20120308914A1
    • 2012-12-06
    • US13528457
    • 2012-06-20
    • Yu Seung KimByran S. Pivovar
    • Yu Seung KimByran S. Pivovar
    • H01M8/10
    • B01D69/12H01M4/881
    • A method of preparing advanced membrane electrode assemblies (MEA) for use in fuel cells. A base polymer is selected for a base membrane. An electrode composition is selected to optimize properties exhibited by the membrane electrode assembly based on the selection of the base polymer. A property-tuning coating layer composition is selected based on compatibility with the base polymer and the electrode composition. A solvent is selected based on the interaction of the solvent with the base polymer and the property-tuning coating layer composition. The MEA is assembled by preparing the base membrane and then applying the property-tuning coating layer to form a composite membrane. Finally, a catalyst is applied to the composite membrane.
    • 一种制备用于燃料电池的先进膜电极组件(MEA)的方法。 选择基础聚合物用于基膜。 选择电极组合物以根据基础聚​​合物的选择来优化膜电极组件所表现出的性能。 基于与基础聚合物和电极组成的相容性来选择性质调节涂层组合物。 基于溶剂与基础聚合物和性能调节涂层组合物的相互作用来选择溶剂。 通过制备基膜,然后施加性能调节涂层以形成复合膜来组装MEA。 最后,将催化剂应用于复合膜。
    • 2. 发明授权
    • Advanced membrane electrode assemblies for fuel cells
    • 用于燃料电池的先进膜电极组件
    • US08658329B2
    • 2014-02-25
    • US13528457
    • 2012-06-20
    • Yu Seung KimByran S. Pivovar
    • Yu Seung KimByran S. Pivovar
    • H01M8/10B01J49/00C08J5/20
    • B01D69/12H01M4/881
    • A method of preparing advanced membrane electrode assemblies (MEA) for use in fuel cells. A base polymer is selected for a base membrane. An electrode composition is selected to optimize properties exhibited by the membrane electrode assembly based on the selection of the base polymer. A property-tuning coating layer composition is selected based on compatibility with the base polymer and the electrode composition. A solvent is selected based on the interaction of the solvent with the base polymer and the property-tuning coating layer composition. The MEA is assembled by preparing the base membrane and then applying the property-tuning coating layer to form a composite membrane. Finally, a catalyst is applied to the composite membrane.
    • 一种制备用于燃料电池的先进膜电极组件(MEA)的方法。 选择基础聚合物用于基膜。 选择电极组合物以根据基础聚​​合物的选择来优化膜电极组件所表现出的性能。 基于与基础聚合物和电极组成的相容性来选择性质调节涂层组合物。 基于溶剂与基础聚合物和性能调节涂层组合物的相互作用来选择溶剂。 通过制备基膜,然后施加性能调节涂层以形成复合膜来组装MEA。 最后,将催化剂应用于复合膜。
    • 5. 发明申请
    • Methods of making membrane electrode assemblies
    • 制造膜电极组件的方法
    • US20100183804A1
    • 2010-07-22
    • US12321466
    • 2009-01-20
    • Yu Seung KimKwan-Soo LeeTommy Q.T. Rockward
    • Yu Seung KimKwan-Soo LeeTommy Q.T. Rockward
    • B05D5/12
    • H01M8/1004H01M4/8814H01M4/8828H01M4/8842H01M4/8882H01M4/8896H01M8/1023H01M8/1039Y02E60/522Y02P70/56
    • Method of making a membrane electrode assembly comprising: providing a membrane comprising a perfluorinated sulfonic acid; providing a first transfer substrate; applying to a surface of the first transfer substrate a first ink, said first ink comprising an ionomer and a catalyst; applying to the first ink a suitable non-aqueous swelling agent; forming an assembly comprising: the membrane; and the first transfer substrate, wherein the surface of the first transfer substrate comprising the first ink and the non-aqueous swelling agent is disposed upon one surface of the membrane; and heating the assembly at a temperature of 150° C. or less and at a pressure of from about 250 kPa to about 3000 kPa or less for a time suitable to allow substantially complete transfer of the first ink and the second ink to the membrane; and cooling the assembly to room temperature and removing the first transfer substrate and the second transfer substrate.
    • 制造膜电极组件的方法,包括:提供包含全氟化磺酸的膜; 提供第一转印衬底; 向所述第一转印基板的表面施加第一墨,所述第一墨包含离聚物和催化剂; 向第一油墨施加合适的非水溶胀剂; 形成组件,其包括:所述膜; 和第一转印衬底,其中包含第一油墨和非水溶胀剂的第一转印衬底的表面设置在膜的一个表面上; 并且在150℃或更低的温度和约250kPa至约3000kPa或更低的压力下加热所述组件适合允许所述第一油墨和所述第二油墨基本上完全转移到所述膜的时间; 并将组件冷却至室温并除去第一转移衬底和第二转移衬底。
    • 6. 发明申请
    • NITRIDE SEMICONDUCTOR LIGHT EMITTING DEVICE AND METHOD OF MANUFACTURING THE SAME
    • 氮化物半导体发光器件及其制造方法
    • US20090159922A1
    • 2009-06-25
    • US12209644
    • 2008-09-12
    • Hyun Soo KIMJoon Seop KwakKi Man KangJin Hyun LeeYu Seung KimCheol Soo Sone
    • Hyun Soo KIMJoon Seop KwakKi Man KangJin Hyun LeeYu Seung KimCheol Soo Sone
    • H01L33/00H01L21/20
    • H01L33/641H01L33/14H01L33/32
    • There is provided a nitride semiconductor light emitting device including: a light emitting structure having n-type and p-type nitride semiconductor layers and an active layer formed therebetween; n-type and p-type electrodes electrically connected to the n-type and p-type nitride semiconductors, respectively; and an n-type ohmic contact layer formed between the n-type nitride semiconductor layer and the n-type electrode and having a first layer formed of a material containing In and a second layer formed on the first layer and formed of a material containing W.According to an aspect of the invention, there is provided a nitride semiconductor light emitting device that has an n-type electrode having thermal stability and excellent electrical characteristics without heat treatment.According to another aspect of the invention, there is provided a method of manufacturing a nitride semiconductor light emitting device optimized to obtain the excellent thermal and electrical characteristics.
    • 提供一种氮化物半导体发光器件,包括:具有n型和p型氮化物半导体层的发光结构和在其间形成的有源层; 分别与n型和p型氮化物半导体电连接的n型和p型电极; 以及形成在n型氮化物半导体层和n型电极之间的n型欧姆接触层,并且具有由含有In的材料形成的第一层和形成在第一层上的由包含W的材料形成的第二层 根据本发明的一个方面,提供一种氮化物半导体发光器件,其具有不具有热稳定性的热稳定性和优异的电特性的n型电极。 根据本发明的另一方面,提供了一种制造优化以获得优异的热和电特性的氮化物半导体发光器件的方法。
    • 7. 发明授权
    • Multi-wavelength semiconductor laser device
    • 多波长半导体激光器件
    • US07460579B2
    • 2008-12-02
    • US11159350
    • 2005-06-23
    • Jong Ik ParkYu Seung KimKi Won MoonHye Ran Oh
    • Jong Ik ParkYu Seung KimKi Won MoonHye Ran Oh
    • H01S5/00
    • H01S5/4025H01S3/08086H01S3/0809
    • A semiconductor laser device comprises: a substrate having a top surface divided into a first region and a second region; a high-output LD including a first conductivity-type clad layer, an active layer, and a second conductivity-type clad layer including an upper portion having a first ridge structure, sequentially formed on the first region of the substrate; and a low-output LD including a first conductivity-type clad layer, an active layer, and a second conductivity-type clad layer including an upper portion having a second ridge structure, sequentially formed on the second region of the substrate, wherein the first and second ridge structures are formed in such a manner that they are extended to both ends opposed to each other, the first ridge structure is bent at two or more bending positions, and the second ridge structure is rectilinear.
    • 半导体激光装置包括:基板,其具有分为第一区域和第二区域的顶表面; 包括依次形成在所述基板的所述第一区域上的包括具有第一脊结构的上部的第一导电型覆盖层,有源层和第二导电型覆盖层的高输出LD, 以及依次形成在所述基板的第二区域上的包括第一导电型覆盖层,有源层和包括具有第二脊结构的上部的第二导电型覆盖层的低输出LD,其中, 并且第二脊结构形成为使得它们彼此相对延伸到两个端部,第一脊结构在两个或更多个弯曲位置弯曲,并且第二脊结构是直线的。
    • 8. 发明授权
    • Methods of making membrane electrode assemblies
    • 制造膜电极组件的方法
    • US09093685B2
    • 2015-07-28
    • US12321466
    • 2009-01-20
    • Yu Seung KimKwan-Soo LeeTommy Q. T. Rockward
    • Yu Seung KimKwan-Soo LeeTommy Q. T. Rockward
    • H01M4/88H01M8/10H01M8/02
    • H01M8/1004H01M4/8814H01M4/8828H01M4/8842H01M4/8882H01M4/8896H01M8/1023H01M8/1039Y02E60/522Y02P70/56
    • Method of making a membrane electrode assembly comprising: providing a membrane comprising a perfluorinated sulfonic acid; providing a first transfer substrate; applying to a surface of the first transfer substrate a first ink, said first ink comprising an ionomer and a catalyst; applying to the first ink a suitable non-aqueous swelling agent; forming an assembly comprising: the membrane; and the first transfer substrate, wherein the surface of the first transfer substrate comprising the first ink and the non-aqueous swelling agent is disposed upon one surface of the membrane; and heating the assembly at a temperature of 150° C. or less and at a pressure of from about 250 kPa to about 3000 kPa or less for a time suitable to allow substantially complete transfer of the first ink and the second ink to the membrane; and cooling the assembly to room temperature and removing the first transfer substrate and the second transfer substrate.
    • 制造膜电极组件的方法,包括:提供包含全氟化磺酸的膜; 提供第一转印衬底; 向所述第一转印基板的表面施加第一墨,所述第一墨包含离聚物和催化剂; 向第一油墨施加合适的非水溶胀剂; 形成组件,其包括:所述膜; 和第一转印衬底,其中包含第一油墨和非水溶胀剂的第一转印衬底的表面设置在膜的一个表面上; 并且在150℃或更低的温度和约250kPa至约3000kPa或更低的压力下加热所述组件适合允许所述第一油墨和所述第二油墨基本上完全转移到所述膜的时间; 并将组件冷却至室温并除去第一转移衬底和第二转移衬底。
    • 9. 发明授权
    • Anion exchange polymer electrolytes
    • 阴离子交换聚合物电解质
    • US08492049B2
    • 2013-07-23
    • US12878844
    • 2010-09-09
    • Yu Seung KimDae Sik KimKwan-Soo Lee
    • Yu Seung KimDae Sik KimKwan-Soo Lee
    • H01M8/10
    • H01M8/083C08J5/225H01M8/1018
    • Solid anion exchange polymer electrolytes and compositions comprising chemical compounds comprising a polymeric core, a spacer A, and a guanidine base, wherein said chemical compound is uniformly dispersed in a suitable solvent and has the structure: wherein: i) A is a spacer having the structure O, S, SO2, —NH—, —N(CH2)n, wherein n=1-10, —(CH2)n—CH3—, wherein n=1-10, SO2-Ph, CO-Ph, wherein R5, R6, R7 and R8 each are independently —H, —NH2, F, Cl, Br, CN, or a C1-C6 alkyl group, or any combination of thereof; ii) R9, R10, R11, R12, or R13 each independently are —H, —CH3, —NH2, —NO, —CHnCH3 where n=1-6, HC═O—, NH2C═O—, —CHnCOOH where n=1-6, —(CH2)n—C(NH2)—COOH where n=1-6, —CH—(COOH)—CH2—COOH, —CH2—CH(O—CH2CH3)2, —(C═S)—NH2, —(C═NH)—N—(CH2)nCH3, where n=0-6, —NH—(C═S)—SH, —CH2—(C═O)—O—C(CH3)3, —O—(CH2)n—CH—(NH2)—COOH, where n=1-6, —(CH2)n—CH═CH wherein n=1-6, —(CH2)n—CH—CN wherein n=1-6, an aromatic group such as a phenyl, benzyl, phenoxy, methylbenzyl, nitrogen-substituted benzyl or phenyl groups, a halide, or halide-substituted methyl groups; and iii) wherein the composition is suitable for use in a membrane electrode assembly.
    • 固体阴离子交换聚合物电解质和包含化合物的组合物,其包含聚合物芯,间隔物A和胍碱,其中所述化合物均匀分散在合适的溶剂中并具有以下结构:其中:i)A是具有 结构O,S,SO 2,-NH-,-N(CH 2)n,其中n = 1-10, - (CH 2)n -CH 3 - ,其中n = 1-10,SO 2 -P Ph,CO-Ph,其中 R5,R6,R7和R8各自独立地为-H,-NH2,F,Cl,Br,CN或C1-C6烷基,或其任何组合; ii)R9,R10,R11,R12或R13各自独立地是-H,-CH3,-NH2,-NO,-CHnCH3,其中n = 1-6,HC = O-,NH2C = O-,-CHnCOOH,其中n = 1-6, - (CH2)nC(NH2)-COOH其中n = 1-6,-CH-(COOH)-CH2-COOH,-CH2-CH(O-CH2CH3)2, - (C = -NH 2 - (C = NH)-N-(CH 2)n CH 3,其中n = 0-6,-NH-(C = S)-SH,-CH 2 - (C = O) -O-(CH 2)n -CH-(NH 2)-COOH,其中n = 1-6, - (CH 2)n -CH = CH其中n = 1-6, - (CH 2)n -CH- = 1-6,芳基如苯基,苄基,苯氧基,甲基苄基,氮取代的苄基或苯基,卤化物或卤化物取代的甲基; 和iii)其中所述组合物适用于膜电极组件。