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1.发明申请CATALYST AND ELECTRODE CATALYST LAYER, MEMBRANE ELECTRODE ASSEMBLY, AND FUEL CELL USING THE CATALYST 有权催化剂和电极催化剂层，膜电极组件和使用催化剂的燃料电池公开(公告)号：US20160072133A1
公开(公告)日：2016-03-10
申请号：US14786632
申请日：2014-04-14
Inventor： Ken AKIZUKI , Atsushi OHMA , Tetsuya MASHIO , Yoshitaka ONO , Shinichi TAKAHASHI
CPC classification number: H01M4/8657 , B22F9/02 , C22F1/02 , C22F1/14 , H01M4/8663 , H01M4/8885 , H01M4/9008 , H01M4/92 , H01M4/925 , H01M4/926 , H01M8/1004 , H01M2004/8684 , H01M2008/1095 , H01M2250/20 , Y02T90/32
Abstract: The present invention has an object to provide a catalyst having excellent oxygen reduction reaction activity. The present invention relates to a catalyst comprising a catalyst support and a catalyst metal supported on the catalyst support, wherein a specific surface area of the catalyst per support weight is 715 m2/g support or more or a covering ratio of the catalyst metal with an electrolyte is less than 0.5, and an amount of an acidic group of the catalyst per support weight is 0.75 mmol/g support or less.
Abstract translation: 本发明的目的是提供具有优异的氧还原反应活性的催化剂。 本发明涉及包含催化剂载体和负载在催化剂载体上的催化剂金属的催化剂，其中每载体重量的催化剂的比表面积为715m 2 / g载体或更多或催化剂金属与 电解质小于0.5，每载体重量的催化剂的酸性基团的量为0.75mmol / g以下。
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2.发明申请公开(公告)号：US20190165382A1
公开(公告)日：2019-05-30
申请号：US16306208
申请日：2017-05-10
Applicant: NISSAN MOTOR CO., LTD. , ISHIFUKU METAL INDUSTRY CO., LTD.
Inventor： Atsushi OHMA , Kazuki ARIHARA , Yoshihisa FURUYA , Hideo INOUE , Takehito NISHIKAWA
CPC classification number: H01M4/926 , H01M4/8652 , H01M4/8663 , H01M4/88 , H01M4/9016 , H01M8/10 , H01M2008/1095 , Y02P70/56
Abstract: Provided is an electrode catalyst having enhanced catalytic activity (oxygen reduction reaction (ORR) specific activity). Disclosed is an electrode catalyst containing a catalyst metal particle(s) and a spacer(s) supported on a catalyst support, in which a ratio (dsp/dcat) of an average diameter of the spacer(s) (dsp) with respect to an average diameter of the catalyst metal particle(s) (dcat) is from 3.5 to 10.
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公开(公告)号：US20170244125A1
公开(公告)日：2017-08-24
申请号：US15521676
申请日：2015-10-08
Inventor： Shinichi TAKAHASHI , Tetsuya MASHIO , Norifumi HORIBE , Atsushi OHMA
IPC: H01M8/1004 , H01M8/1041 , H01M4/92 , H01M4/86 , H01M4/88
CPC classification number: H01M8/1004 , H01M4/8605 , H01M4/8652 , H01M4/8825 , H01M4/8828 , H01M4/92 , H01M4/926 , H01M8/1041 , H01M2008/1095
Abstract: The present invention relates to an electrode catalyst for fuel cell containing a catalyst carrier having carbon as a main component and a catalytic metal carried on the catalyst carrier, wherein the electrode catalyst for fuel cell has a ratio R′ (D′/G intensity ratio) of a peak intensity of D′ band (D′ intensity) measured in the vicinity of 1620 cm−1 to a peak intensity of G band (G intensity) measured in the vicinity of 1580 cm−1 by Raman spectroscopy of more than 0.6 and 0.8 or less, and satisfies at least one of the (a) to (d). According to the present invention, an electrode catalyst for fuel cell excellent in gas transportability is provided.
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公开(公告)号：US20190083957A1
公开(公告)日：2019-03-21
申请号：US16083606
申请日：2017-01-18
Applicant: NISSAN MOTOR CO., LTD. , TOYO TANSO CO., LTD.
Inventor： Takehiko OKUI , Hiroyuki TANAKA , Kazuki ARIHARA , Tetsuya MASHIO , Atsushi OHMA , Takahiro MORISHITA , Yoshio SHODAI
Abstract: Provided are a carbon powder which can provide a catalyst exhibiting high performance and a catalyst. A carbon powder for fuel cell comprising carbon as a main component, which has a ratio (B/A) of an area B of peak 1 to an area A of peak 0 of more than 0 and 0.15 or less, wherein the area A represents an area of peak 0 at a position of 2θ=22.5° to 25° as observed by XRD analysis when the carbon powder for fuel cell is subjected to heat treatment at 1800° C. for 1 hour in an inert atmosphere, and the area B represents an area of peak 1 at a position of 2θ=26° as observed by XRD analysis when the carbon powder for fuel cell is subjected to heat treatment at 1800° C. for 1 hour in an inert atmosphere.
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5.发明申请CATALYST AND ELECTRODE CATALYST LAYER, MEMBRANE ELECTRODE ASSEMBLY, AND FUEL CELL USING THE CATALYST 审中-公开催化剂和电极催化剂层，膜电极组件和使用催化剂的燃料电池公开(公告)号：US20160087281A1
公开(公告)日：2016-03-24
申请号：US14786479
申请日：2014-04-14
Applicant: NISSAN MOTOR CO., LTD.
Inventor： Tetsuya MASHIO , Yoshihisa FURUYA , Ken AKIZUKI , Atsushi OHMA
Abstract: [Object] Provided is a catalyst having excellent gas transportability.[Solving Means] Disclosed is a catalyst comprising a catalyst support and a catalyst metal supported on the catalyst support, wherein the catalyst includes pores having a radius of less than 1 nm and pores having a radius of 1 nm or more, wherein a pore volume of the pores having a radius of less than 1 nm is 0.3 cc/g support or more or a mode radius of a pore distribution of the pores having a radius of less than 1 nm is 0.3 nm or more and less than 1 nm, and wherein the catalyst metal is supported inside the pores having a radius of 1 nm or more.
Abstract translation: 提供了具有优异的气体输送性的催化剂。 [解决方案]公开了一种催化剂，其包含催化剂载体和负载在催化剂载体上的催化剂金属，其中催化剂包括半径小于1nm的孔和半径为1nm以上的孔，其中孔体积 的半径小于1nm的孔为0.3cc / g以上，半径小于1nm的孔的孔分布的模式半径为0.3nm以上且小于1nm，以及 其中催化剂金属被支撑在半径为1nm以上的孔内。
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Patent Agency Ranking
6.发明申请CATALYST AND MANUFACTURING METHOD THEREOF, AND ELECTRODE CATALYST LAYER USING THE CATALYST 审中-公开催化剂及其制备方法，使用催化剂的电极催化层公开(公告)号：US20160072134A1
公开(公告)日：2016-03-10
申请号：US14786056
申请日：2014-04-14
Applicant: NISSAN MOTOR CO., LTD. , TANAKA KIKINZOKU KOGYO K.K.
Inventor： Atsushi OHMA , Ken AKIZUKI , Yoshitaka ONO , Tetsuya MASHIO , Koichi MATSUTANI
Abstract: [Object] Provided is a catalyst having a high catalytic activity. [Solving Means] Disclosed is a catalyst comprising a catalyst support and a catalyst metal supported on the catalyst support, wherein the catalyst support includes pores having a radius of less than 1 nm and pores having a radius of 1 nm or more, a surface area formed by the pores having a radius of less than 1 nm is equal to or larger than a surface area formed by the pores having a radius of 1 nm or more, and an average particle diameter of the catalyst metal is 2.8 nm or more.
Abstract translation: 提供具有高催化活性的催化剂。 [解决方案]公开了一种催化剂，其包含催化剂载体和负载在催化剂载体上的催化剂金属，其中催化剂载体包括半径小于1nm的孔和半径为1nm以上的孔，表面积 由半径小于1nm的孔形成的面积等于或大于由半径为1nm以上的孔形成的表面积，并且催化剂金属的平均粒径为2.8nm以上。
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公开(公告)号：US20170331134A1
公开(公告)日：2017-11-16
申请号：US15522023
申请日：2015-10-08
Applicant: NISSAN MOTOR CO., LTD. , DAIMLER AG , FORD MOTOR COMPANY
Inventor： Hiroshi IDEN , Atsushi OHMA , Shinichi TAKAHASHI , Tetsuya MASHIO , Norifumi HORIBE
IPC: H01M8/1004 , H01M4/92 , H01M8/1039 , H01M8/1018
CPC classification number: H01M8/1004 , H01M4/8605 , H01M4/8652 , H01M4/8825 , H01M4/92 , H01M4/926 , H01M8/1039 , H01M8/1041 , H01M2008/1095 , Y02P70/56
Abstract: Provided is an electrode catalyst layer excellent in gas transportability by using an electrode catalyst layer for fuel cell comprising a catalyst containing a catalyst carrier and a catalytic metal carried on the catalyst carrier and an electrolyte, wherein the catalyst partially is coated with the electrolyte, and a specific surface area of the catalytic metal which gas can reach without passing through an electrolyte is 50% or more, with respect to the total specific surface area of the catalytic metal.
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8.发明申请CATALYST, AND ELECTRODE CATALYST LAYER, MEMBRANE ELECTRODE ASSEMBLY AND FUEL CELL USING THE CATALYST 审中-公开催化剂和电极催化剂层，膜电极组件和使用催化剂的燃料电池公开(公告)号：US20160079606A1
公开(公告)日：2016-03-17
申请号：US14786675
申请日：2014-04-14
Applicant: NISSAN MOTOR CO., LTD.
Inventor： Tetsuya MASHIO , Yoshihisa FURUYA , Ken AKIZUKI , Atsushi OHMA
CPC classification number: H01M4/92 , H01M4/9075 , H01M4/925 , H01M8/1004 , H01M2250/20 , Y02T90/32
Abstract: [Object] Provided is a catalyst having an excellent gas transportability.[Solving Means] Disclosed is a catalyst including a catalyst metal and a support, wherein the catalyst includes pores having a radius of 1 nm or more and less than 5 nm, a pore volume of the pores is 0.8 cc/g support or more, and the catalyst metal has a specific surface area of 30 m2/g support or less.
Abstract translation: 提供具有优异的气体输送性的催化剂。 [解决方案]公开了一种催化剂，其包含催化剂金属和载体，其中催化剂包括半径为1nm以上且小于5nm的孔，孔的孔体积为0.8cc / g以上， 催化剂金属的比表面积为30m 2 / g以下。
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9.发明申请CATALYST AND ELECTRODE CATALYST LAYER, MEMBRANE ELECTRODE ASSEMBLY, AND FUEL CELL USING THE CATALYST 审中-公开催化剂和电极催化剂层，膜电极组件和使用催化剂的燃料电池公开(公告)号：US20160079605A1
公开(公告)日：2016-03-17
申请号：US14786281
申请日：2014-04-14
Inventor： Tetsuya MASHIO , Atsushi OHMA , Shinichi TAKAHASHI , Ken AKIZUKI
CPC classification number: H01M4/92 , H01M4/8605 , H01M4/923 , H01M4/926 , H01M8/02 , H01M8/0234 , H01M8/1004 , H01M2008/1095 , H01M2250/20 , Y02T90/32
Abstract: The object of the present invention is to provide a catalyst having an excellent catalyst activity.In the present invention, a catalyst is configured to include a catalyst support and a catalyst metal supported on the catalyst support, wherein a mode radius of pore distribution of pores of the catalyst is 1 nm or more and less than 5 nm, wherein the mode radius is equal to or less than an average particle radius of the catalyst metal, and wherein a pore volume of the pores is 0.4 cc/g support or more.
Abstract translation: 本发明的目的是提供催化剂活性优异的催化剂。 在本发明中，催化剂被配置为包括催化剂载体和负载在催化剂载体上的催化剂金属，其中催化剂的孔的孔分布的模数半径为1nm以上且小于5nm，其中， 半径等于或小于催化剂金属的平均粒子半径，并且其中孔的孔体积为0.4cc / g载体或更多。
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10.发明申请公开(公告)号：US20160064744A1
公开(公告)日：2016-03-03
申请号：US14786470
申请日：2014-04-14
Applicant: NISSAN MOTOR CO., LTD. , TOYO TANSO CO., LTD.
Inventor： Tetsuya MASHIO , Yoshihisa FURUYA , Ken Akizuki , Atsushi OHMA , Takahiro MORISHITA , Yoshio SHODAI
Abstract: ObjectProvided is a catalyst having an excellent durability and being capable of lowering the cost of a fuel cell.Solving MeansDisclosed is a catalyst configured to include a support and alloy particles including platinum and a metal component other than platinum supported on the support, wherein the catalyst includes mesopores having a radius of 1 to 10 nm originated from the support, wherein a mode radius of the mesopores is in a range of 2.5 to 10 nm, and wherein the alloy particles have a catalyst function, and at least a portion of the alloy particles is supported inside the mesopores.
Abstract translation: 提供的目的是具有优异的耐久性并且能够降低燃料电池的成本的催化剂。 解决方法公开了一种催化剂，其被配置为包括载体和包含铂的合金颗粒和负载在载体上的铂以外的金属成分，其中所述催化剂包括起始于载体的半径为1至10nm的介孔，其中模式半径 的介孔在2.5〜10nm的范围内，其中合金粒子具有催化剂功能，并且至少一部分合金粒子被支撑在中孔内。
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