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公开(公告)号:US20130209912A1
公开(公告)日:2013-08-15
申请号:US13814130
申请日:2011-07-21
申请人: Brian Ronald Charles Theobald , Sarah Caroline Ball , Rachel Louise O'Malley , David Thompsett , Graham Alan Hards
发明人: Brian Ronald Charles Theobald , Sarah Caroline Ball , Rachel Louise O'Malley , David Thompsett , Graham Alan Hards
IPC分类号: H01M4/92
CPC分类号: H01M4/921 , B01J23/6486 , B01J23/898 , H01M8/086 , H01M8/1018 , Y02E60/522 , Y02E60/523
摘要: A platinum alloy catalyst PtXY, wherein X is a transition metal (other than platinum, palladium or iridium) and Y is a transition metal (other than platinum, palladium or iridium) which is less leachable than X in an acidic environment, has an atomic percentage in the alloy of platinum is from 20.5-40 at %, of X is from 40.5-78.5 at % X and of Y is from 1-19.5 at %.
摘要翻译: 铂合金催化剂PtXY,其中X是过渡金属(除了铂,钯或铱之外),Y是在酸性环境中与X不易浸出的过渡金属(铂,钯或铱不同),具有原子 铂合金中的百分比为20.5-40原子%,X为40.5-78.5原子%X,Y为1-19.5原子%。
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公开(公告)号:US09397348B2
公开(公告)日:2016-07-19
申请号:US13814130
申请日:2011-07-21
申请人: Brian Ronald Charles Theobald , Sarah Caroline Ball , Rachel Louise O'Malley , David Thompsett , Graham Alan Hards
发明人: Brian Ronald Charles Theobald , Sarah Caroline Ball , Rachel Louise O'Malley , David Thompsett , Graham Alan Hards
CPC分类号: H01M4/921 , B01J23/6486 , B01J23/898 , H01M8/086 , H01M8/1018 , Y02E60/522 , Y02E60/523
摘要: A platinum alloy catalyst PtXY, wherein X is a transition metal (other than platinum, palladium or iridium) and Y is a transition metal (other than platinum, palladium or iridium) which is less leachable than X in an acidic environment, has an atomic percentage in the alloy of platinum is from 20.5-40at %, of X is from 40.5-78.5at % X and of Y is from 1-19.5at %.
摘要翻译: 铂合金催化剂PtXY,其中X是过渡金属(除了铂,钯或铱之外),Y是在酸性环境中与X不易浸出的过渡金属(铂,钯或铱不同),具有原子 铂合金中的百分数为20.5-40at%,X为40.5-78.5at%X,Y为1-19.5at%。
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公开(公告)号:US07375049B2
公开(公告)日:2008-05-20
申请号:US10486622
申请日:2002-07-15
申请人: Martin John Hayes , Chandresh Malde , Michael Ian Petch , Stephen David Pollington , Brian Ronald Charles Theobald
发明人: Martin John Hayes , Chandresh Malde , Michael Ian Petch , Stephen David Pollington , Brian Ronald Charles Theobald
CPC分类号: B01J37/0205 , B01J21/005 , B01J21/04 , B01J23/626 , B01J23/63 , C07C5/02 , C07C5/325 , C07C2521/04 , C07C2521/06 , C07C2521/08 , C07C2521/10 , C07C2521/18 , C07C2523/06 , C07C2523/08 , C07C2523/12 , C07C2523/14 , C07C2523/18 , C07C2523/40 , C07C2523/72 , C07C2527/22
摘要: A catalyst suitable for the dehydrogenation and hydrogenation of hydrocarbons comprises at least one first metal and at least one second metal bound to a support material. The at least one first metal comprises at least one transition metal, suitably a platinum group metal. The support material is provided with an overlayer such that acidic sites on the support material are substantially blocked. In a preferred embodiment the catalyst is also substantially chloride free. Method of preparing catalyst are also disclosed.
摘要翻译: 适用于烃的脱氢和氢化的催化剂包括至少一种第一金属和至少一种与载体材料结合的第二金属。 所述至少一种第一金属包含至少一种过渡金属,合适的是铂族金属。 支撑材料设置有覆盖层,使得支撑材料上的酸性位点基本上被阻挡。 在优选的实施方案中,催化剂也基本上不含氯。 还公开了制备催化剂的方法。
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公开(公告)号:US20130330650A1
公开(公告)日:2013-12-12
申请号:US13984089
申请日:2012-01-27
IPC分类号: H01M4/92
CPC分类号: H01M4/8657 , B01J23/468 , B01J23/847 , B01J23/8476 , B01J35/1014 , B01J37/0244 , H01M4/8615 , H01M4/8807 , H01M4/8814 , H01M4/9016 , H01M4/92 , H01M4/921 , H01M2004/8684
摘要: A catalyst layer including: (i) a first catalytic material, wherein the first catalytic material facilitates a hydrogen oxidation reaction suitably selected from platinum group metals, gold, silver, base metals or an oxide thereof; and (ii) a second catalytic material, wherein the second catalytic material facilitates an oxygen evolution reaction, wherein the second catalytic material includes iridium or iridium oxide and one or more metals M or an oxide thereof, wherein M is selected from the group consisting of transition metals and Sn, wherein the transition metal is preferably selected from the group IVB, VB and VIB; and the first catalytic material is supported on the second catalytic material. The catalyst can be used in fuel cells, supported on electrodes or polymeric membranes for increasing tolerance to cell voltage reversal.
摘要翻译: 1.一种催化剂层,包括:(i)第一催化材料,其中所述第一催化材料促进适当选自铂族金属,金,银,贱金属或其氧化物的氢氧化反应; 和(ii)第二催化材料,其中所述第二催化材料促进析氧反应,其中所述第二催化材料包括铱或氧化铱和一种或多种金属M或其氧化物,其中M选自 过渡金属和Sn,其中过渡金属优选选自IVB,VB和VIB族; 并且第一催化材料负载在第二催化材料上。 催化剂可用于燃料电池,负载在电极或聚合物膜上,以增加电池电压反转的耐受性。
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