公开(公告)号：EP3240070A4

公开(公告)日：2018-01-03

申请号：EP16846336

申请日：2016-09-07

申请人： N E CHEMCAT CORP

发明人： NAGAMORI KIYOTAKA ,  MIZUSAKI TOMOTERU ,  NAKAMURA YOKO ,  IGARASHI HIROSHI ,  SEKI YASUHIRO

IPC分类号： H01M4/86 ,  B01J23/44 ,  B01J23/89 ,  H01M4/90 ,  H01M4/92 ,  H01M8/10 ,  H01M8/1004

CPC分类号： H01M8/1004 ,  B01J23/44 ,  B01J23/89 ,  C01G55/005 ,  G01N23/223 ,  H01M4/86 ,  H01M4/9058 ,  H01M4/9075 ,  H01M4/92 ,  H01M4/925 ,  H01M8/10 ,  H01M8/141

摘要： Provided is an electrode catalyst in which the contents of chlorine (Cl) species and bromine (Br) species are reduced to a predetermined level or lower, capable of exhibiting sufficient catalyst performance. The electrode catalyst has a core-shell structure including a support, a core part formed on the support and a shell part formed to cover at least a part of the surface of the core part. A concentration of bromine (Br) species of the electrode catalyst as measured by X-ray fluorescence (XRF) spectroscopy is 400 ppm or less, and a concentration of chlorine (Cl) species of the electrode catalyst as measured by X-ray fluorescence (XRF) spectroscopy is 900 ppm or less.

公开(公告)号：EP3035423A4

公开(公告)日：2016-09-21

申请号：EP15768710

申请日：2015-03-27

申请人： N E CHEMCAT CORP

发明人： MIZUSAKI TOMOTERU ,  NAGAMORI KIYOTAKA ,  NAKAMURA YOKO ,  TSUBAKI TAKUYA

IPC分类号： H01M4/88 ,  B01J23/44 ,  B01J35/08 ,  B01J37/16 ,  H01M4/86 ,  H01M4/90 ,  H01M4/92 ,  H01M8/02 ,  H01M8/10 ,  H01M8/1004 ,  H01M8/1018

CPC分类号： H01M4/926 ,  B01J23/44 ,  B01J35/08 ,  B01J37/16 ,  H01M4/8605 ,  H01M4/88 ,  H01M4/9041 ,  H01M4/9083 ,  H01M4/921 ,  H01M8/1004 ,  H01M8/1007 ,  H01M2008/1095 ,  Y02E60/50 ,  Y02P70/56

摘要： Provided is an electrode catalyst production method capable of obtaining, through an easy operation, an electrode catalyst whose chlorine (Cl) species content has been reliably and sufficiently reduced, even when using as an electrode catalyst raw material an electrode catalyst precursor containing a high concentration of chlorine. The method is to produce an electrode catalyst having a core-shell structure including a support, a core part formed on the support and a shell part formed to cover at least a part of a surface of the core part. The method includes a first step (1) of retaining a liquid containing ultrapure water, a reductant such as a hydrogen-containing gas and an electrode catalyst precursor under at least one stage of a predetermined temperature for a predetermined retention time, such electrode catalyst precursor being produced using a material containing chlorine (Cl) species, and exhibiting a chlorine (Cl) species concentration not lower than a predetermined first chlorine (Cl) species concentration when measured by X-ray fluorescence (XRF) spectroscopy.

公开(公告)号：EP2703077A4

公开(公告)日：2014-11-05

申请号：EP12777161

申请日：2012-01-11

申请人： N E CHEMCAT CORP

发明人： MENDE TAKESHI ,  OKAJIMA TOSHINORI ,  BANNO YASUYUKI ,  NAGATA MAKOTO

IPC分类号： B01J23/44 ,  B01D53/94 ,  B01J29/76 ,  F01N3/023 ,  F01N3/035 ,  F01N3/08 ,  F01N3/10 ,  F01N3/24 ,  F01N3/28

CPC分类号： F01N3/208 ,  B01D53/9418 ,  B01D53/944 ,  B01D53/9477 ,  B01D2255/1021 ,  B01D2255/1023 ,  B01D2255/50 ,  B01D2255/9155 ,  B01D2255/9202 ,  B01D2258/012 ,  B01J23/44 ,  B01J29/7215 ,  B01J35/006 ,  B01J35/023 ,  B01J35/04 ,  B01J37/0201 ,  B01J37/0242 ,  F01N3/035 ,  F01N3/103 ,  F01N3/2066 ,  F01N13/009 ,  F01N13/0097 ,  F01N2510/06 ,  F01N2510/068 ,  F01N2610/02 ,  Y02A50/2341 ,  Y02T10/24

摘要： The invention discloses an exhaust gas purification catalyst apparatus which is capable of efficiently removing, foralongperiodoftime, hydrocarbons, carbonmonoxide, nitrogen oxides, and particulate components such as soot contained in exhaust gas from a lean burn engine. It is provided an exhaust gas purification apparatus arranged with an oxidation catalyst (DOC) comprising a noble metal component for oxidizing nitrogen oxides (NO) in an exhaust gas discharged from a diesel engine, a reducing agent spraying means for supplying the reducing agent selected from a urea component or an ammonia component, and a selective reduction catalyst (SCR) not comprising a noble metal for removing by reduction nitrogen oxides (NO x ) by contacting with the reducing agent, in this order from the upstream side of an exhaust gas passage, characterized in that activity of the selective reduction catalyst (SCR) is maintained by setting that the noble metal component of the oxidation catalyst (DOC) comprises platinum and palladium, and ratio of platinum particles existing alone is 20% or less, or average particle diameter of the noble metal is 4 nm or larger, and by suppressing volatilization of platinum from the oxidation catalyst (DOC), even when catalyst bed temperature increases up to 900°C.

摘要翻译： 本发明公开了一种废气净化催化剂装置，其能够有效地除去来自稀燃燃烧发动机的废气中所含的碳氢化合物，一氧化碳，氮氧化物和颗粒组分如烟尘中的碳氢化合物。 本发明提供一种排气净化装置，其具备氧化催化剂（DOC），该氧化催化剂（DOC）含有用于氧化从柴油发动机排出的废气中的氮氧化物（NO）的贵金属成分，还原剂喷射装置， 尿素成分或氨成分，以及选择还原型催化剂（SCR），其不包含贵金属，用于通过与还原剂接触还原氮氧化物（NO x）从废气通道的上游侧依次除去 其特征在于，通过设定氧化催化剂（DOC）的贵金属成分包含铂和钯，并且单独存在的铂粒子的比例为20％以下，或平均粒子的比例来维持选择还原型催化剂（SCR）的活性 贵金属的直径为4nm以上，并且通过抑制铂从氧化催化剂（DOC）的挥发，即使催化剂床温度 增加到900°C。

公开(公告)号：EP2633906A4

公开(公告)日：2014-10-01

申请号：EP11836359

申请日：2011-10-26

申请人： N E CHEMCAT CORP

发明人： MIZUSAKI TOMOTERU ,  NAGAMORI KIYOTAKA

IPC分类号： B01J23/52 ,  C07B61/00 ,  C07C209/48 ,  C07C211/07 ,  H01M4/90

CPC分类号： B01J23/52 ,  C07C209/48 ,  H01M4/921 ,  H01M4/926 ,  H01M2008/1095 ,  C07C211/07

公开(公告)号：EP2127744A4

公开(公告)日：2011-10-05

申请号：EP07859782

申请日：2007-12-12

申请人： DAIICHI KIGENSO KAGAKU KOGYO ,  N E CHEMCAT CORP

发明人： KOHARA AKIRA ,  HIRASAWA YOSHIRO ,  KATOH KATSUAKI

IPC分类号： B01J23/63 ,  B01D53/94

CPC分类号： B01J23/10 ,  B01D53/9409 ,  B01D53/945 ,  B01D53/9468 ,  B01D53/9477 ,  B01D2251/202 ,  B01D2255/102 ,  B01D2255/206 ,  B01D2255/407 ,  B01D2255/9202 ,  B01D2255/9207 ,  B01D2258/014 ,  B01J23/63 ,  B01J37/0036 ,  B01J37/0244 ,  B01J37/0248 ,  B01J37/031 ,  Y02A50/2324 ,  Y02T10/22

摘要： A catalyst system to be used in an automobile exhaust gas purification apparatus which exerts excellent purification capability to a nitrogen oxide, even when hydrocarbon concentration varies, by subjecting exhaust gas discharged from an automotive internal engine to contacting with a catalyst, an exhaust gas purification apparatus using the same, and an exhaust gas purification method. A catalyst system etc. to be used in an automobile exhaust gas purification apparatus, composed by using two or more exhaust gas purification catalysts, containing a first catalyst supported on an inorganic structural carrier and a second catalyst other than this, characterized by having the first catalyst supported on a part of the inorganic structural carrier positioned at the upstream side, when arranged in an exhaust gas passage; on the other hand having the second catalyst supported on a part of the inorganic structural carrier, positioned at the downstream side, when arranged in an exhaust gas passage; and containing a cerium-zirconium-type composite oxide (A) having a pyrochlore phase in the crystal structure.

公开(公告)号：EP3035426A4

公开(公告)日：2016-10-26

申请号：EP15770002

申请日：2015-03-27

申请人： N E CHEMCAT CORP

发明人： NAGAMORI KIYOTAKA ,  MIZUSAKI TOMOTERU ,  NAKAMURA YOKO ,  TSUBAKI TAKUYA ,  IGARASHI HIROSHI ,  SEKI YASUHIRO

IPC分类号： H01M4/88 ,  B01J23/89 ,  B01J27/13 ,  H01M4/86 ,  H01M4/90 ,  H01M4/92 ,  H01M8/02 ,  H01M8/10 ,  H01M8/1018

CPC分类号： H01M4/926 ,  H01M4/8605 ,  H01M4/88 ,  H01M4/9041 ,  H01M4/9083 ,  H01M4/921 ,  H01M8/1004 ,  H01M8/1007 ,  H01M2008/1095 ,  H01M2250/10 ,  H01M2250/20 ,  Y02B90/14 ,  Y02P70/56 ,  Y02T90/32

摘要： Provided is an electrode catalyst that can exhibit sufficient performance, is suitable for mass production, and is suitable for reducing production costs, even when containing a relatively high concentration of chlorine. The electrode catalyst has a core-shell structure including a support; a core part that is formed on the support; and a shell part that is formed so as to cover at least one portion of the surface of the core part. The electrode catalyst concurrently fulfils conditions expressed by the following formulae (1) and (2): (X1/M) ‰¤ 1.2 ·· (1) (X2/M) ‰¤ 47.0 · (2) (in the formula (1) and the formula (2), M represents an amount of substance (number of atoms) of one or more constituent metal elements of the shell part, X1 represents an amount of substance (number of atoms) of bromine (Br), and X2 represents an amount of substance (number of atoms) of chlorine (Cl)).

公开(公告)号：EP2692430A4

公开(公告)日：2015-04-15

申请号：EP11861929

申请日：2011-11-17

申请人： N E CHEMCAT CORP

发明人： ITO TOMOAKI ,  OKAJIMA TOSHINORI ,  NAGATA MAKOTO

IPC分类号： B01J23/652 ,  B01D53/86 ,  B01D53/94 ,  F01N3/08 ,  F01N3/10 ,  F01N3/24 ,  F01N3/28

CPC分类号： B01J35/0006 ,  B01D53/9436 ,  B01D53/9477 ,  B01D2255/1021 ,  B01D2255/2065 ,  B01D2255/20707 ,  B01D2255/20715 ,  B01D2255/20776 ,  B01D2255/30 ,  B01D2255/40 ,  B01D2255/407 ,  B01D2255/9022 ,  B01J21/063 ,  B01J21/066 ,  B01J21/08 ,  B01J23/30 ,  B01J23/42 ,  B01J23/6527 ,  B01J29/46 ,  B01J29/7615 ,  B01J35/04 ,  Y02C20/10 ,  Y10S502/52712 ,  Y10S502/52713

公开(公告)号：EP1801074A4

公开(公告)日：2010-09-08

申请号：EP05783663

申请日：2005-09-13

申请人： DAIICHI KIGENSOKAGAKU KOGYO CO ,  N E CHEMCAT CORP

发明人： WAKITA T ,  KOHARA A ,  KANNO YASUHARU ,  OMOTO HIROAKI

IPC分类号： C01G25/00 ,  B01D53/94 ,  B01J23/63

CPC分类号： C01G25/00 ,  B01D53/945 ,  B01D2255/407 ,  B01D2255/908 ,  B01J23/10 ,  B01J23/63 ,  B01J35/002 ,  B01J35/023 ,  B01J37/0036 ,  B01J37/0081 ,  B01J37/04 ,  C01P2002/72 ,  C01P2004/61 ,  C01P2004/62 ,  Y02T10/22

公开(公告)号：EP3145008A4

公开(公告)日：2017-03-22

申请号：EP16771784

申请日：2016-03-30

申请人： N E CHEMCAT CORP

发明人： NAGAMORI KIYOTAKA ,  MIZUSAKI TOMOTERU ,  NAKAMURA YOKO ,  IGARASHI HIROSHI ,  SEKI YASUHIRO

IPC分类号： H01M4/86 ,  B01J23/44 ,  B01J35/08 ,  B01J37/02 ,  H01M4/92 ,  H01M8/10

CPC分类号： H01M8/1004 ,  B01J23/44 ,  B01J35/08 ,  B01J37/02 ,  H01M4/86 ,  H01M4/8657 ,  H01M4/8807 ,  H01M4/92 ,  H01M4/921 ,  H01M4/926 ,  H01M2008/1095

摘要： To provide electrode catalyst (core-shell catalyst) having an excellent catalyst activity which contributes to lower the cost of the PEFC. The electrode catalyst has catalyst particles supported on a support. The catalyst particle has a core part containing simple Pd and a shell part containing simple Pt. A percentage R C (atom%) of the carbon of the support and a percentage R Pd (atom%) of the simple Pd in an analytical region near a surface measured by X-ray photoelectron spectroscopy (XPS) satisfy the conditions of the following equation (1): 2.15 ‰¤ [100 x R Pd / (R Pd +R C )].

摘要翻译： 提供具有优异催化剂活性的电极催化剂（核 - 壳催化剂），这有助于降低PEFC的成本。 电极催化剂具有负载在载体上的催化剂颗粒。 催化剂颗粒具有包含简单Pd的核部分和包含简单Pt的壳部分。 通过X射线光电子能谱（XPS）测定的表面附近的分析区域中的载体的碳的百分比RC（原子％）和单质Pd的百分比R Pd（原子％）满足下述式 （1）：2.15‰[100×R Pd /（R Pd + RC）]。

公开(公告)号：EP2974791A4

公开(公告)日：2016-12-14

申请号：EP14764123

申请日：2014-02-28

申请人： N E CHEMCAT CORP

发明人： ITO TOMOAKI ,  NAGATA MAKOTO

IPC分类号： B01J23/56 ,  B01D53/94 ,  B01J23/63 ,  F01N3/10 ,  F01N3/36

CPC分类号： F01N3/106 ,  B01D53/944 ,  B01D2255/1021 ,  B01D2255/1023 ,  B01D2255/206 ,  B01D2255/2092 ,  B01J23/44 ,  B01J23/63 ,  B01J35/0006 ,  B01J35/002 ,  B01J35/04 ,  B01J35/1019 ,  B01J35/1042 ,  B01J35/1061 ,  B01J37/0201 ,  B01J37/0244 ,  B01J37/038 ,  F01N3/0821

摘要： Provided is: an oxidation catalyst having excellent ability to combust diesel fuel intermittently sprayed from a nozzle disposed in an exhaust pipe, the oxidation catalyst being incorporated into an exhaust gas purification device having a diesel particulate filter (DPF) or a catalyst soot filter (CSF) for collecting particulate matter from a diesel engine; and an exhaust gas purification device that uses the oxidation catalyst. An oxidation catalyst for exhaust gas purification in which a precious metal component is carried on an inorganic matrix, wherein the inorganic matrix is one or more inorganic oxides selected from the group consisting of alumina, titania, zirconia, silica, and silica-alumina, the oxidation catalyst being characterized in the use of a material in which the activation energy of diesel fuel combustion performance is 72 kJ/mol or less.