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1. 发明申请

WO2017203257A9 CATALYST 审中-公开
公开(公告)号：WO2017203257A9
公开(公告)日：2017-11-30
申请号：PCT/GB2017/051476
申请日：2017-05-25
申请人： JOHNSON MATTHEY FUEL CELLS LIMITED
发明人： SHARMAN, Jonathan David Brereton , MARTINEZ BONASTRE, Alejandro , SPIKES, Geoffrey
IPC分类号： H01M4/86 , H01M4/88 , H01M4/92 , H01M8/1018
摘要： An electrocatalyst material comprising: (i) a support material comprising a plurality of individual support particles or aggregates; (ii) first particles comprising a first metal and an alloying metal; and (iii) second particles consisting of a second metal or a second metal oxide, wherein the second metal is platinum or iridium; wherein each individual support particle or aggregate has dispersed thereon first particles and second particles, characterised in that the mean average particle size of the second particles is smaller than the mean average particle size of the first particles is disclosed. The electrocatalyst material has particular use in an electrode, such as the cathode, of an electrochemical cell, such as a fuel cell.

2. 发明申请

WO2022008894A1 CATALYST PREPARATION 审中-公开
公开(公告)号：WO2022008894A1
公开(公告)日：2022-01-13
申请号：PCT/GB2021/051711
申请日：2021-07-06
申请人： JOHNSON MATTHEY FUEL CELLS LIMITED
发明人： MARTINEZ BONASTRE, Alejandro , SPIKES, Geoffrey
IPC分类号： H01M4/86 , B01J23/42 , B01J37/02 , B01J37/08 , H01M4/88 , H01M4/90 , H01M4/92 , H01M8/1018
摘要： The present invention provides a method of preparing a catalyst material, said catalyst material comprising a support material and an electrocatalyst dispersed on the support material; said method comprising the steps: i) providing a support material; then ii)10 depositing a silicon oxide precursor on the support material; then iii) carrying out a heat treatment step to convert the silicon oxide precursor to silicon oxide; then iv) depositing said electrocatalyst or a precursor of said electrocatalyst on the support material; then v) removal of at least some of the silicon oxide.

3. 发明申请

WO2019102197A1 CATALYST 审中-公开
公开(公告)号：WO2019102197A1
公开(公告)日：2019-05-31
申请号：PCT/GB2018/053374
申请日：2018-11-22
申请人： JOHNSON MATTHEY FUEL CELLS LIMITED
发明人： MARTINEZ BONASTRE, Alejandro , SHARMAN, Jonathan , SPIKES, Geoffrey
IPC分类号： H01M4/92 , H01M4/86 , H01M8/1018 , H01M4/88
CPC分类号： H01M4/926 , H01M4/8652 , H01M4/8828 , H01M4/921 , H01M8/1018
摘要： The use of an electrocatalyst material in an anode catalyst layer, wherein the electrocatalyst material comprises a support material, the support material comprising a plurality of individual support particles or aggregates wherein each individual support particle or aggregate has dispersed thereon (i) first particles and (ii) second particles, wherein: (i) the first particles comprise Pt optionally alloyed with an alloying metal X1; wherein the optional alloying metal X1 is selected from the group consisting of Rh, Ti, Os, V, Co, Ni, Ga, Hf, Sn, Ir, Pd, Mo, Zn, W, Zr and Re; (ii) the second particles consist essentially of a second metal or a second metal compound wherein the second metal is selected from the group consisting of Ir and Ru and the second metal compound comprises lrX2 wherein X2 is selected from the group consisting of Ta, Nb, Ru, Ni and Co; and wherein if the first particles consist of Pt then the second particles do not comprise IrTa; and wherein if the first particles consist of Pt without alloying metal X1 and the second particles consist essentially of a second metal which is Ir, each individual support particle or aggregate of the support material of the electrocatalyst material has dispersed thereon only the said first and second particles; or wherein each individual support particle or aggregate has dispersed thereon (i) first particles and (ii) third particles, wherein: (iii) the third particles comprise Au or a third metal alloy; wherein the third metal alloy is selected from the group consisting of AuX3 and PdX4, wherein X3 is selected from the group consisting of Pt, Pd, Cu, Ir and Sn; and X4 is selected from the group consisting of Hg, Au, Sn, Co, Ni, Ga, In, Zn, W and Pb.

4. 发明申请

WO2021116691A1 ELECTROCATALYST INK 审中-公开
公开(公告)号：WO2021116691A1
公开(公告)日：2021-06-17
申请号：PCT/GB2020/053174
申请日：2020-12-11
申请人： JOHNSON MATTHEY FUEL CELLS LIMITED
发明人： HODGKINSON, Adam , MARTINEZ BONASTRE, Alejandro
IPC分类号： H01M4/86 , H01M4/88 , H01M4/92 , H01M8/1004 , H01M8/1018
摘要： The present invention provides a method of preparing an electrocatalyst ink, the method comprising a step of contacting a dispersion with a base metal-binding agent.

5. 发明申请

WO2017129982A1 CATALYST 审中-公开
标题翻译：催化剂
公开(公告)号：WO2017129982A1
公开(公告)日：2017-08-03
申请号：PCT/GB2017/050202
申请日：2017-01-26
申请人： JOHNSON MATTHEY FUEL CELLS LIMITED
发明人： MARTINEZ BONASTRE, Alejandro , SPIKES, Geoffrey Hugh , O'MALLEY, Rachel Louise
IPC分类号： H01M4/88 , H01M4/92 , H01M8/1018
CPC分类号： H01M4/885 , H01M4/8882 , H01M4/8892 , H01M4/921 , H01M4/925 , H01M2008/1095
摘要： A process for preparing a catalyst material, said catalyst material comprising a support material, a first metal and one or more second metals, wherein the first metal and the second metal(s) are alloyed and wherein the first metal is a platinum group metal and the second metal(s) is selected from the group of transition metals and tin provided the second metal(s) is different to the first metal is disclosed. The process comprises depositing a silicon oxide before or after deposition of the second metal(s), alloying the first and second metals and subsequently removing silicon oxide. A catalyst material prepared by this process is also disclosed.
摘要翻译：一种用于制备催化剂材料的方法，所述催化剂材料包含载体材料，第一金属和一种或多种第二金属，其中所述第一金属和所述第二金属是合金化的，并且其中所述第一金属是铂族金属，第二金属选自过渡金属和锡，只要第二金属不同于第一金属即可。该方法包括在沉积第二金属之前或之后沉积氧化硅，使第一和第二金属合金化并随后除去氧化硅。还公开了通过该方法制备的催化剂材料。

6. 发明申请

WO2017203257A1 CATALYST 审中-公开
标题翻译：催化剂
公开(公告)号：WO2017203257A1
公开(公告)日：2017-11-30
申请号：PCT/GB2017/051476
申请日：2017-05-25
申请人： JOHNSON MATTHEY FUEL CELLS LIMITED
发明人： SHARMAN, Jonathan David Brereton , MARTINEZ BONASTRE, Alejandro , SPIKES, Geoffrey
IPC分类号： H01M4/86 , H01M4/88 , H01M4/92 , H01M8/1018
摘要： An electrocatalyst material comprising: (i) a support material comprising a plurality of individual support particles or aggregates; (ii) first particles comprising a first metal and an alloying metal; and (iii) second particles consisting of a second metal or a second metal oxide, wherein the second metal is platinum or iridium; wherein each individual support particle or aggregate has dispersed thereon first particles and second particles, characterised in that the mean average particle size of the second particles is smaller than the mean average particle size of the first particles is disclosed. The electrocatalyst material has particular use in an electrode, such as the cathode, of an electrochemical cell, such as a fuel cell.
摘要翻译：电催化剂材料，其包含：（i）包含多个单独的载体颗粒或聚集体的载体材料; （ii）包含第一金属和合金化金属的第一颗粒; 和（iii）由第二金属或第二金属氧化物组成的第二颗粒，其中第二金属是铂或铱; 其中每个单独的载体颗粒或聚集体上分散有第一颗粒和第二颗粒，其特征在于第二颗粒的平均颗粒尺寸小于第一颗粒的平均颗粒尺寸。电催化剂材料特别用于电化学电池如燃料电池的电极，如阴极。

7. 发明公开

EP4073856A1 ELECTROCATALYST INK 审中-实审转让
公开(公告)号：EP4073856A1
公开(公告)日：2022-10-19
申请号：EP20828081.8
申请日：2020-12-11
申请人： Johnson Matthey Fuel Cells Limited
发明人： HODGKINSON, Adam , MARTINEZ BONASTRE, Alejandro
IPC分类号： H01M4/86 , H01M4/88 , H01M4/92 , H01M8/1004 , H01M8/1018

8. 发明公开

EP3408885A1 CATALYST 有权转让
公开(公告)号：EP3408885A1
公开(公告)日：2018-12-05
申请号：EP17702924.6
申请日：2017-01-26
申请人： Johnson Matthey Fuel Cells Limited
发明人： MARTINEZ BONASTRE, Alejandro , SPIKES, Geoffrey Hugh , O'MALLEY, Rachel Louise
IPC分类号： H01M4/88 , H01M4/92 , H01M8/1018
CPC分类号： H01M4/885 , H01M4/8882 , H01M4/8892 , H01M4/921 , H01M4/925 , H01M2008/1095
摘要： A process for preparing a catalyst material, said catalyst material comprising a support material, a first metal and one or more second metals, wherein the first metal and the second metal(s) are alloyed and wherein the first metal is a platinum group metal and the second metal(s) is selected from the group of transition metals and tin provided the second metal(s) is different to the first metal is disclosed. The process comprises depositing a silicon oxide before or after deposition of the second metal(s), alloying the first and second metals and subsequently removing silicon oxide. A catalyst material prepared by this process is also disclosed.

9. 发明公开

EP3714503A1 CATALYST 审中-实审转让
公开(公告)号：EP3714503A1
公开(公告)日：2020-09-30
申请号：EP18811623.0
申请日：2018-11-22
申请人： Johnson Matthey Fuel Cells Limited
发明人： MARTINEZ BONASTRE, Alejandro , SHARMAN, Jonathan , SPIKES, Geoffrey
IPC分类号： H01M4/92 , H01M4/86 , H01M8/1018 , H01M4/88

10. 发明公开

EP3465806A1 CATALYST 有权转让
公开(公告)号：EP3465806A1
公开(公告)日：2019-04-10
申请号：EP17727323.2
申请日：2017-05-25
申请人： Johnson Matthey Fuel Cells Limited
发明人： SHARMAN, Jonathan David Brereton , MARTINEZ BONASTRE, Alejandro , SPIKES, Geoffrey
IPC分类号： H01M4/86 , H01M4/88 , H01M4/92 , H01M8/1018

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