公开(公告)号：US5686377A

公开(公告)日：1997-11-11

申请号：US586281

申请日：1996-01-16

申请人： Kouji Banno ,  Masahiro Sugiura ,  Yoko Kumai ,  Haruo Doi ,  Tetsuo Nagami ,  Norihiko Aono ,  Koichi Kasahara ,  Shigeji Matsumoto

发明人： Kouji Banno ,  Masahiro Sugiura ,  Yoko Kumai ,  Haruo Doi ,  Tetsuo Nagami ,  Norihiko Aono ,  Koichi Kasahara ,  Shigeji Matsumoto

IPC分类号： B01D53/86 ,  B01D53/94 ,  B01J23/58 ,  B01J23/42 ,  B01J23/04 ,  B01J23/44

CPC分类号： B01D53/864 ,  B01D53/944 ,  F02B2275/14

摘要： A catalyst for purifying exhaust gases comprises a catalyst carrier made of potassium titanate and a noble metal loaded on the catalyst carrier. The catalyst carrier is substantially free from alumina. This catalyst can oxidize at least hydrocarbons in exhaust gases at a high catalytic activity even at low temperatures, and at the same time can suppress SO.sub.2 from converting into sulfates. This catalyst does not employ substance like alumina exhibiting solid acidity as a catalyst carrier. Further, this catalyst can be used for purifying exhaust gases from diesel engines to suppress particulates and sulfates from being emitted, and to improve conversions of hydrocarbons and carbon monoxide.

摘要翻译： 用于净化废气的催化剂包括由钛酸钾和负载在催化剂载体上的贵金属制成的催化剂载体。 催化剂载体基本上不含氧化铝。 该催化剂即使在低温下也能以高催化活性氧化废气中的至少烃，同时可以抑制SO2转化成硫酸盐。 该催化剂不使用表现出固体酸度的氧化铝作为催化剂载体的物质。 此外，该催化剂可用于净化来自柴油发动机的废气以抑制颗粒物和硫酸盐的排放，并提高碳氢化合物和一氧化碳的转化率。

公开(公告)号：US5462905A

公开(公告)日：1995-10-31

申请号：US105932

申请日：1993-08-13

申请人： Tetsuo Nagami ,  Yoshitsugu Ogura ,  Masahiko Ogai ,  Yoshiaki Fukushima ,  Shinji Inagaki ,  Kazuhiro Fukumoto ,  Kouji Banno ,  Yuji Sakakibara ,  Yasuo Takada ,  Takashi Ohta ,  Akane Okada ,  Yukimura Yamada ,  Kiyotaka Hayashi ,  Shinji Matsuura ,  Kazuyuki Kuroda

发明人： Tetsuo Nagami ,  Yoshitsugu Ogura ,  Masahiko Ogai ,  Yoshiaki Fukushima ,  Shinji Inagaki ,  Kazuhiro Fukumoto ,  Kouji Banno ,  Yuji Sakakibara ,  Yasuo Takada ,  Takashi Ohta ,  Akane Okada ,  Yukimura Yamada ,  Kiyotaka Hayashi ,  Shinji Matsuura ,  Kazuyuki Kuroda

IPC分类号： B01D53/86 ,  B01D53/94 ,  B01J21/08 ,  B01J29/03

CPC分类号： B01J29/0308 ,  B01D53/9418 ,  B01D53/9445 ,  B01D53/945 ,  B01D53/9481 ,  B01J21/08 ,  B01J29/0325 ,  B01J35/1061 ,  B01D2255/1021 ,  B01D2255/912 ,  B01D2255/9202 ,  Y02T10/22

摘要： An exhaust gas purifying catalyst is characterized in that at least one kind of catalyst metal is loaded on a layered porous silica or a layered porous silica-metal oxide. The exhaust gas purifying catalyst is used as an oxidation catalyst for purifying hydrocarbon and carbon monoxide, or a reduction catalyst for purifying nitrogen oxides (NO.sub.x), which is suitable for purifying exhaust gases in automobiles. An exhaust gas purifying apparatus includes the above exhaust gas purifying catalyst and an absorbent for trapping hydrocarbon components, in which aromatic HC such as trimethylbenzene and the like are effectively trapped.

摘要翻译： 废气净化催化剂的特征在于，在层状多孔质二氧化硅或层状多孔二氧化硅 - 金属氧化物上载持至少一种催化剂金属。 废气净化催化剂用作净化烃和一氧化碳的氧化催化剂，或者用于净化汽车中的废气的氮氧化物（NOx）的还原催化剂。 废气净化装置包括上述废气净化催化剂和用于捕获烃成分的吸收剂，其中芳族HC如三甲基苯等被有效地捕获。

公开(公告)号：US20120316061A1

公开(公告)日：2012-12-13

申请号：US12998118

申请日：2010-03-05

申请人： Tetsuo Nagami ,  Isotta Cerri ,  Claire Mormiche ,  Jonathan Conrad Davies ,  Brian Elliott Hayden

发明人： Tetsuo Nagami ,  Isotta Cerri ,  Claire Mormiche ,  Jonathan Conrad Davies ,  Brian Elliott Hayden

IPC分类号： B01J23/644 ,  B01J23/18

CPC分类号： H01M4/8803 ,  H01M4/92 ,  H01M2008/1095

摘要： This invention provides a highly stable electrocatalyst having excellent electrochemical properties, which comprises a support containing a composite oxide containing Sb-doped SnO2 and a catalyst supported by the support, wherein the composite oxide is an amorphous composite oxide and the percentage of Sb with respect to the sum of Sb and Sn in the composite oxide is 2 to 10 at. %, or wherein the composite oxide is a crystalline composite oxide and the percentage of Sb with respect to the sum of Sb and Sn in the composite oxide is 1 to 3 at. %.

摘要翻译： 本发明提供了具有优异的电化学性能的高度稳定的电催化剂，其包含含有掺杂Sb的SnO 2的复合氧化物和由载体负载的催化剂的载体，其中复合氧化物是无定形复合氧化物，Sb相对于 复合氧化物中Sb和Sn的总和为2〜10at。 ％，或其中复合氧化物为结晶复合氧化物，并且Sb相对于复合氧化物中Sb和Sn之和的百分比为1〜3at。 ％。

公开(公告)号：US20060251953A1

公开(公告)日：2006-11-09

申请号：US11329853

申请日：2006-01-11

申请人： Wen Li ,  Tetsuo Kawamura ,  Tetsuo Nagami ,  Hiroaki Takahashi ,  John Muldoon ,  John Shelnutt ,  Yujiang Song ,  James Miller ,  Michael Hickner ,  Craig Medforth

发明人： Wen Li ,  Tetsuo Kawamura ,  Tetsuo Nagami ,  Hiroaki Takahashi ,  John Muldoon ,  John Shelnutt ,  Yujiang Song ,  James Miller ,  Michael Hickner ,  Craig Medforth

IPC分类号： H01M4/92 ,  H01M4/88 ,  H01M4/96 ,  B01J21/18 ,  B01J23/42

CPC分类号： H01M4/9083 ,  H01M4/92 ,  H01M4/921 ,  H01M4/926 ,  H01M2008/1095

摘要： The invention relates to methods of preparing metal particles on a support material, including platinum-containing nanoparticles on a carbon support. Such materials can be used as electrocatalysts, for example as improved electrocatalysts in polymer electrolyte membrane fuel cells (PEM-FCs).

公开(公告)号：US20120107724A1

公开(公告)日：2012-05-03

申请号：US13379713

申请日：2010-05-04

申请人： Tetsuo Nagami ,  Sozaburo Ohashi ,  Mikihiro Kataoka ,  Tomoaki Terada ,  Takahiro Nagata ,  Yosuke Horiuchi ,  Akihiro Hori

发明人： Tetsuo Nagami ,  Sozaburo Ohashi ,  Mikihiro Kataoka ,  Tomoaki Terada ,  Takahiro Nagata ,  Yosuke Horiuchi ,  Akihiro Hori

IPC分类号： H01M8/10 ,  B05D5/12 ,  H01M4/92

CPC分类号： H01M4/926 ,  H01M4/8663 ,  H01M4/881 ,  H01M4/8825 ,  H01M4/8842 ,  H01M4/8878 ,  H01M4/921 ,  H01M8/1018 ,  H01M2008/1095 ,  Y02E60/50

摘要： An electrode catalyst for a fuel cell consists principally of a carbon support, and a platinum catalyst or a platinum-alloy catalyst supported on the carbon support. In the electrode catalyst, at least 0.7 mmol of an acid per gram of the electrode catalyst is present on the carbon support.

摘要翻译： 用于燃料电池的电极催化剂主要由碳载体和负载在碳载体上的铂催化剂或铂合金催化剂组成。 在电极催化剂中，在碳载体上存在每克电极催化剂至少0.7mmol酸。

公开(公告)号：US20110081595A1

公开(公告)日：2011-04-07

申请号：US12672079

申请日：2009-01-26

申请人： Yukiyoshi Ueno ,  Tetsuo Nagami ,  Tetsuya Shoji

发明人： Yukiyoshi Ueno ,  Tetsuo Nagami ,  Tetsuya Shoji

IPC分类号： H01M8/10 ,  H01M4/92 ,  H01M4/88

CPC分类号： H01M4/921 ,  H01M4/926 ,  H01M2008/1095

摘要： An electrode catalyst for a fuel cell, which has improved performance compared with conventional platinum alloy catalysts, a method for producing the electrode catalyst, and a polymer electrolyte fuel cell using the electrode catalyst are provided. The electrode catalyst for a fuel cell comprises a noble-metal-non-precious metal alloy that has a core-shell structure supported on a conductive carrier. The composition of the catalyst components of the shell is such that the amount of the noble metal is greater than or equal to the amount of the non-precious metal.

摘要翻译： 提供了与常规铂合金催化剂相比具有改进的性能的燃料电池用电极催化剂，使用该电极催化剂的电极催化剂的制造方法和固体高分子型燃料电池。 用于燃料电池的电极催化剂包括具有负载在导电载体上的核 - 壳结构的贵金属 - 非贵金属合金。 壳的催化剂组分的组成使得贵金属的量大于或等于非贵金属的量。

公开(公告)号：US5582805A

公开(公告)日：1996-12-10

申请号：US201972

申请日：1994-02-25

申请人： Kouji Yoshizaki ,  Takaaki Itou ,  Hiroshi Hirayama ,  Tetsuo Nagami ,  Masakatsu Sanada ,  Kiyohiko Watanabe ,  Osamu Fujishiro ,  Tohru Yoshinaga ,  Yukihiro Shinohara ,  Yasuyuki Kawabe ,  Toshihiko Igashira ,  Akihiro Izawa ,  Hiroaki Ichikawa ,  Kenichi Hirada ,  Toshihiro Takada ,  Kazuhiro Sakurai ,  Masahiko Ogai

发明人： Kouji Yoshizaki ,  Takaaki Itou ,  Hiroshi Hirayama ,  Tetsuo Nagami ,  Masakatsu Sanada ,  Kiyohiko Watanabe ,  Osamu Fujishiro ,  Tohru Yoshinaga ,  Yukihiro Shinohara ,  Yasuyuki Kawabe ,  Toshihiko Igashira ,  Akihiro Izawa ,  Hiroaki Ichikawa ,  Kenichi Hirada ,  Toshihiro Takada ,  Kazuhiro Sakurai ,  Masahiko Ogai

IPC分类号： F01N3/20 ,  F01N3/28 ,  F01N13/02 ,  H05B3/10 ,  H05B3/12

CPC分类号： H05B3/12 ,  F01N13/009 ,  F01N3/2026 ,  F01N3/28 ,  F01N3/281 ,  F01N3/2821 ,  H05B3/10 ,  F01N2330/04 ,  F01N2330/322 ,  F01N2330/38 ,  F01N2450/22 ,  Y02T10/26

摘要： An electrically heating catalytic apparatus that quickly heats catalyst to an activation temperature even when the engine is started at a low temperature below the catalyst activation temperature. The apparatus employs an electrically conductive catalyst carrier that is electrically heated. The carrier is provided with local hot spots to be energized. Since the heat is locally generated, the heat capacity of the catalyst carrier is small to shorten a temperature increasing time.

公开(公告)号：US20160006042A1

公开(公告)日：2016-01-07

申请号：US14857075

申请日：2015-09-17

申请人： Yousuke Horiuchi ,  Tomoaki Terada ,  Takahiro Nagata ,  Akihiro Hori ,  Tetsuo Nagami ,  Takaaki Kanazawa ,  Mikihiro Kataoka

发明人： Yousuke Horiuchi ,  Tomoaki Terada ,  Takahiro Nagata ,  Akihiro Hori ,  Tetsuo Nagami ,  Takaaki Kanazawa ,  Mikihiro Kataoka

IPC分类号： H01M4/92 ,  H01M8/10

CPC分类号： H01M4/926 ,  H01M4/925 ,  H01M8/1018 ,  H01M2008/1095 ,  H01M2250/20 ,  H01M2300/0082 ,  Y02E60/50 ,  Y02T90/32

摘要： An object of the present invention is to provide a supported catalyst for a fuel cell having a high activity, a method of manufacturing thereof, and a fuel cell including the supported catalyst for a fuel cell. A supported catalyst for a fuel cell of the present invention includes a conductive carrier and catalyst particle supported on the conductive carrier and contains platinum. The ratio of the mass of oxygen to the mass of the catalyst particle measured by using an inert gas fusion-nondispersive infrared absorption method is 4 mass % or less.

公开(公告)号：US06911278B2

公开(公告)日：2005-06-28

申请号：US10228338

申请日：2002-08-27

申请人： Kazutaka Hiroshima ,  Takahiko Asaoka ,  Yutaka Ohya ,  Tatsuo Noritake ,  Hisao Kato ,  Tetsuo Nagami

发明人： Kazutaka Hiroshima ,  Takahiko Asaoka ,  Yutaka Ohya ,  Tatsuo Noritake ,  Hisao Kato ,  Tetsuo Nagami

IPC分类号： B01J23/89 ,  H01M4/88 ,  H01M4/90 ,  H01M4/92 ,  H01M8/10 ,  H01M4/96

CPC分类号： H01M4/921 ,  H01M4/926

摘要： An electrode catalyst for a fuel cell includes a conductive support, and catalytic particles loaded on the conductive support. The catalytic particles include platinum and a base metal being on the lower end of the electrochemical series with respect to platinum. The number of the atoms of the base metal, forming metallic oxides without alloying with the platinum, is less than 5 atomic % of the number of the atoms of the platinum on a surface of the catalytic particles. The electrode catalyst is produced by loading the platinum and base metal on the conductive support, alloying the platinum and base metal thereon by a heat treatment, thereby making the catalytic particles, and removing metallic oxides from a surface of the catalytic particles. The electrode catalyst is less expensive comparatively, exhibits high catalytic activities, and hardly lowers the battery performance of fuel cells.

摘要翻译： 用于燃料电池的电极催化剂包括导电载体和负载在导电载体上的催化颗粒。 催化剂颗粒包括相对于铂的铂和贱金属在电化学系列的下端。 形成不与铂合金化的金属氧化物的贱金属的原子数小于催化剂颗粒表面铂原子数的5原子％。 通过将铂和贱金属负载在导电性载体上，通过热处理将铂和贱金属合金化，由此制造催化剂颗粒，并从催化剂颗粒的表面去除金属氧化物，制备电极催化剂。 电极催化剂比较便宜，催化活性高，几乎不降低燃料电池的电池性能。

公开(公告)号：US5388403A

公开(公告)日：1995-02-14

申请号：US203206

申请日：1994-02-28

申请人： Tetsuo Nagami ,  Hiroshi Hirayama

发明人： Tetsuo Nagami ,  Hiroshi Hirayama

IPC分类号： F01N3/08 ,  F01N3/20 ,  F01N3/22 ,  F01N3/24 ,  F01N3/28 ,  F01N3/32 ,  F01N13/02 ,  F02D35/00

CPC分类号： F01N3/222 ,  F01N13/009 ,  F01N3/0842 ,  F01N3/0871 ,  F01N3/22 ,  F02D35/0038 ,  F01N2250/12 ,  F01N3/20 ,  F01N3/32 ,  Y02T10/22

摘要： An engine comprising an exhaust passage having therein a NO.sub.x absorbent which absorbs the NO.sub.x when the air-fuel ratio of the exhaust gas flowing into the NO.sub.x absorbent is lean and releases the absorbed NO.sub.x when the concentration of oxygen in the exhaust gas is lowered. When the air-fuel ratio of air-fuel mixture fed into the engine cylinder is made a rich air-fuel ratio or the stoichiometric air-fuel ratio, a secondary air is fed into the exhaust passage upstream of the NO.sub.x absorbent to make the air-fuel ratio of exhaust gas lean.

摘要翻译： 一种发动机，包括排气通道，其中具有NOx吸收剂，当流入NOx吸收剂的排气的空燃比是稀的时吸收NOx，并且当废气中的氧浓度降低时，释放吸收的NOx。 当供给到发动机气缸中的空气 - 燃料混合物的空燃比被制成浓空燃比或理论空燃比时，二次空气被供给到NOx吸收剂上游的排气通道中以使空气 - 排气稀薄比。