公开(公告)号：US20160276675A1

公开(公告)日：2016-09-22

申请号：US15168276

申请日：2016-05-31

Applicant: SHOWA DENKO K.K.

Inventor： Tadatoshi KUROZUMI ,  Toshikazu SHISHIKURA ,  Ryuji MONDEN

IPC: H01M4/88 ,  C01G25/02 ,  C01G23/053 ,  C01G33/00 ,  H01M4/90 ,  H01M8/1004

CPC classification number: H01M4/88 ,  C01G23/053 ,  C01G25/02 ,  C01G33/00 ,  H01M4/9016 ,  H01M8/1004 ,  H01M2008/1095

Abstract: Electrocatalyst layers include an electrocatalyst having high oxygen reduction activity that is useful as an alternative material to platinum catalysts. Uses of the electrocatalyst layers are also disclosed.The electrocatalyst layer includes an electrocatalyst that is formed of a metal oxide obtained by thermally decomposing a metal organic compound. The metal element forming the electrocatalyst is preferably one selected from the group consisting of niobium, titanium, tantalum and zirconium.

Abstract translation: 电催化剂层包括由通过热分解金属有机化合物获得的金属氧化物形成的电极催化剂。 形成电极催化剂的金属元素优选选自铌，钛，钽和锆中的一种。

公开(公告)号：US20150372311A1

公开(公告)日：2015-12-24

申请号：US14754328

申请日：2015-06-29

Applicant: SHOWA DENKO K.K.

Inventor： Ryuji MONDEN ,  Tadatoshi KUROZUMI ,  Toshikazu SHISHIKURA ,  Yasuaki WAKIZAKA

IPC: H01M4/88 ,  H01M4/90 ,  C01B21/082

CPC classification number: H01M4/88 ,  B01J27/24 ,  C01B21/0828 ,  H01M4/90 ,  H01M4/9016 ,  H01M4/92 ,  H01M2008/1095 ,  Y02E60/50

Abstract: Catalysts of the present invention are not corroded in acidic electrolytes or at high potential and have excellent durability and high oxygen reducing ability. The catalyst includes a metal oxycarbonitride containing two metals M selected from the group consisting of tin, indium, platinum, tantalum, zirconium, titanium, copper, iron, tungsten, chromium, molybdenum, hafnium, vanadium, cobalt, cerium, aluminum and nickel, and containing zirconium and/or titanium. Also disclosed is a process for producing the catalyst.

Abstract translation: 本发明的催化剂不会在酸性电解质中或高电位下腐蚀，具有优异的耐久性和较高的氧还原能力。 催化剂包括含有选自锡，铟，铂，钽，锆，钛，铜，铁，钨，铬，钼，铪，钒，钴，铈，铝和镍中的两种金属M的金属碳氮氧化物， 并含有锆和/或钛。 还公开了一种生产该催化剂的方法。

公开(公告)号：US20140170526A1

公开(公告)日：2014-06-19

申请号：US14183968

申请日：2014-02-19

Applicant: SHOWA DENKO K.K.

Inventor： Yasuaki WAKIZAKA ,  Toshikazu SHISHIKURA

IPC: H01M4/90

CPC classification number: H01M4/9075 ,  B01J27/24 ,  B01J37/349 ,  B82Y30/00 ,  C01B21/0828 ,  C01P2002/72 ,  C01P2004/51 ,  C01P2004/64 ,  H01M4/9008 ,  H01M4/9016 ,  H01M4/9083 ,  H01M2008/1095 ,  Y02E60/50 ,  Y02E60/522

Abstract: The invention has an object of providing catalysts that are not corroded in acidic electrolytes or at high potential, have excellent durability and show high oxygen reducing ability. An aspect of the invention is directed to a process wherein metal carbonitride mixture particles or metal oxycarbonitride mixture particles are produced from an organometallic compound of a Group IV or V transition metal, a metal salt of a Group IV or V transition metal, or a mixture of these compounds using laser light as a light source.

Abstract translation: 本发明的目的是提供在酸性电解质中不被腐蚀或具有高电位的催化剂，具有优异的耐久性和显示出高的氧还原能力。 本发明的一个方面涉及一种方法，其中金属碳氮化物混合物颗粒或金属碳氮氧化物混合物颗粒由IV族或V族过渡金属的有机金属化合物，IV或V族过渡金属的金属盐或混合物 的这些化合物使用激光作为光源。

公开(公告)号：US20130337367A1

公开(公告)日：2013-12-19

申请号：US13970926

申请日：2013-08-20

Applicant: SHOWA DENKO K.K.

Inventor： Ryuji MONDEN ,  Tadatoshi KUROZUMI ,  Toshikazu SHISHIKURA

IPC: H01M4/90

CPC classification number: H01M4/9075 ,  B01J27/22 ,  B01J27/24 ,  B01J35/0033 ,  B01J37/0036 ,  B01J37/14 ,  H01M4/92 ,  H01M4/925

Abstract: The present invention provides a catalyst carrier having excellent durability and capable of attaining high catalytic ability without increasing the specific surface area thereof, and a catalyst obtainable by using the catalyst carrier. The catalyst carrier of the present invention comprises a metal oxycarbonitride, preferably the metal contained in the metal oxycarbonitride comprises at least one selected from the group consisting of niobium, tin, indium, platinum, tantalum, zirconium, copper, iron, tungsten, chromium, molybdenum, hafnium, titanium, vanadium, cobalt, manganese, cerium, mercury, plutonium, gold, silver, iridium, palladium, yttrium, ruthenium, lanthanum, cerium, praseodymium, neodymium, promethium, samarium, europium, gadolinium, terbium, dysprosium, holmium, erbium, thulium, ytterbium, lutetium, and nickel. Moreover, the catalyst of the present invention comprises the catalyst carrier and a catalyst metal supported on the catalyst carrier.

Abstract translation: 本发明提供一种催化剂载体，其具有优异的耐久性，并且能够在不增加其比表面积的情况下获得高催化能力，以及可通过使用催化剂载体获得的催化剂。 本发明的催化剂载体包含金属碳氮氧化物，优选金属碳氮氧化物中所含的金属包括选自铌，锡，铟，铂，钽，锆，铜，铁，钨，铬， 钼，铪，钛，钒，钴，锰，铈，汞，钚，金，银，铱，钯，钇，钌，镧，铈，镨，钕，ium，钐，铕，钆，铽，镝， 钬，铒，ium，镱，镥和镍。 此外，本发明的催化剂包含催化剂载体和负载在催化剂载体上的催化剂金属。

公开(公告)号：US20170025698A1

公开(公告)日：2017-01-26

申请号：US15286650

申请日：2016-10-06

Applicant: SHOWA DENKO K.K.

Inventor： Toshikazu SHISHIKURA ,  Hiroshi KOBAYASHI

IPC: H01M8/08 ,  H01M4/90 ,  H01M8/0254 ,  H01M8/20 ,  H01M8/18

Abstract: Provided in the present invention is a redox flow battery including a positive electrode, a negative electrode and a separation membrane, wherein a positive electrode electrolyte composed of an aqueous solution containing vanadium ions is supplied into a positive electrode chamber, and a negative electrode electrolyte composed of an aqueous solution containing vanadium ions is supplied into a negative electrode chamber, to carry out charging and discharging of the battery. In the redox flow battery, zirconium or titanium coated with a noble metal or a compound thereof is used as a positive electrode material, and when the positive electrode material is zirconium coated with a noble metal or a compound thereof, the positive electrode electrolyte and the negative electrode electrolyte contain sulfuric acid; and when the positive electrode material is titanium coated with a noble metal or a compound thereof, the positive electrode electrolyte contains nitric acid.

Abstract translation: 本发明中提供的是包含正极，负极和分离膜的氧化还原液流电池，其中将由含有钒离子的水溶液组成的正极电解质供给到正极室中，并且将负极电解质组成 含有钒离子的水溶液供给到负极室，进行电池的充放电。 在氧化还原液流电池中，使用涂覆有贵金属或其化合物的锆或钛作为正极材料，并且当正极材料是用包覆贵金属或其化合物的锆涂覆时，正极电解质和 负极电解液含硫酸; 当正极材料是用贵金属或其化合物钛涂覆时，正极电解质含有硝酸。