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1. 发明申请

US20100197490A1 Platinum-Coated Non-Noble Metal-Noble Metal Core-Shell Electrocatalysts 有权
标题翻译：铂金涂层非贵金属 - 贵金属芯壳电催化剂
公开(公告)号：US20100197490A1
公开(公告)日：2010-08-05
申请号：US12708226
申请日：2010-02-18
申请人： Radoslav Adzic , Junliang Zhang , Yibo Mo , Miomir Vukmirovic
发明人： Radoslav Adzic , Junliang Zhang , Yibo Mo , Miomir Vukmirovic
IPC分类号： B01J23/42 , B01J23/89
CPC分类号： H01M4/921 , B01J23/44 , B01J35/0013 , B82Y30/00 , H01M4/8657 , H01M4/926 , H01M4/928 , H01M2008/1095 , Y02E60/50
摘要： Core-shell particles encapsulated by a thin film of a catalytically active metal are described. The particles are preferably nanoparticles comprising a non-noble core with a noble metal shell which preferably do not include Pt. The non-noble metal-noble metal core-shell nanoparticles are encapsulated by a catalytically active metal which is preferably Pt. The core-shell nanoparticles are preferably formed by prolonged elevated-temperature annealing of nanoparticle alloys in an inert environment. This causes the noble metal component to surface segregate and form an atomically thin shell. The Pt overlayer is formed by a process involving the underpotential deposition of a monolayer of a non-noble metal followed by immersion in a solution comprising a Pt salt. A thin Pt layer forms via the galvanic displacement of non-noble surface atoms by more noble Pt atoms in the salt. The overall process is a robust and cost-efficient method for forming Pt-coated non-noble metal-noble metal core-shell nanoparticles.
摘要翻译：描述了由催化活性金属的薄膜包封的核 - 壳颗粒。颗粒优选是纳米颗粒，其包含优选不包括Pt的贵金属壳的非贵重核。非贵金属 - 贵金属核 - 壳纳米颗粒被优选Pt的催化活性金属包囊。核 - 壳纳米颗粒优选通过纳米颗粒合金在惰性环境中的延长的高温退火来形成。这使得贵金属组分表面分离并形成原子薄的壳。 Pt覆盖层通过涉及非贵金属的单层的潜在不良沉积，然后浸入包含Pt盐的溶液中的方法形成。通过在盐中更贵的Pt原子通过非贵重表面原子的电位置形成薄的Pt层。整个过程是用于形成Pt涂覆的非贵金属贵金属核 - 壳纳米颗粒的鲁棒且成本有效的方法。

2. 发明申请

US20070031722A1 Electrocatalysts having platinum monolayers on palladium, palladium alloy, and gold alloy nanoparticle cores, and uses thereof 有权
标题翻译：在钯，钯合金和金合金纳米颗粒芯上具有铂单层的电催化剂及其用途
公开(公告)号：US20070031722A1
公开(公告)日：2007-02-08
申请号：US11156038
申请日：2005-06-20
申请人： Radoslav Adzic , Junliang Zhang , Kotaro Sasaki , Yibo Mo , Miomir Vukmirovic
发明人： Radoslav Adzic , Junliang Zhang , Kotaro Sasaki , Yibo Mo , Miomir Vukmirovic
IPC分类号： H01M4/92 , H01M4/96 , H01M8/06 , B22F1/02 , B01J23/42 , B01J23/44
CPC分类号： H01M4/921 , B01J23/44 , B01J35/0013 , B22F1/0018 , B22F1/0022 , B22F1/025 , H01M4/8657 , H01M4/926 , H01M4/928 , H01M2008/1095 , Y10T428/12181
摘要： The invention relates to platinum-coated particles useful as fuel cell electrocatalysts. The particles are composed of a noble metal or metal alloy core at least partially encapsulated by an atomically thin surface layer of platinum atoms. The invention particularly relates to such particles having a palladium, palladium alloy, gold alloy, or rhenium alloy core encapsulated by an atomic monolayer of platinum. In other embodiments, the invention relates to fuel cells containing these electrocatalysts and methods for generating electrical energy therefrom.
摘要翻译：本发明涉及可用作燃料电池电催化剂的铂包覆颗粒。颗粒由至少部分地被铂原子的原子薄的表面层包封的贵金属或金属合金芯构成。本发明特别涉及具有钯，钯合金，金合金或由铂原子单层包覆的铼合金芯的颗粒。在其它实施方案中，本发明涉及含有这些电催化剂的燃料电池及其从其产生电能的方法。

3. 发明申请

US20060135359A1 Platinum- and platinum alloy-coated palladium and palladium alloy particles and uses thereof 有权
标题翻译：铂和铂合金涂层的钯和钯合金颗粒及其用途
公开(公告)号：US20060135359A1
公开(公告)日：2006-06-22
申请号：US11019759
申请日：2004-12-22
申请人： Radoslav Adzic , Junliang Zhang , Yibo Mo , Miomir Vukmirovic
发明人： Radoslav Adzic , Junliang Zhang , Yibo Mo , Miomir Vukmirovic
IPC分类号： H01M8/00 , B32B5/16
CPC分类号： H01M4/928 , B01J23/44 , B01J35/0013 , H01M4/8657 , H01M4/921 , H01M4/926 , H01M2008/1095 , Y10T428/2991
摘要： The present invention relates to particle and nanoparticle composites useful as oxygen-reduction electrocatalysts. The particle composites are composed of a palladium or palladium-alloy particle or nanoparticle substrate coated with an atomic submonolayer, monolayer, bilayer, or trilayer of zerovalent platinum atoms. The invention also relates to a catalyst and a fuel cell containing the particle or nanoparticle composites of the invention. The invention additionally includes methods for oxygen reduction and production of electrical energy by using the particle and nanoparticle composites of the invention.
摘要翻译：本发明涉及用作氧还原电极催化剂的颗粒和纳米颗粒复合材料。颗粒复合材料由涂覆有原子亚单层，单层，双层或零价铂原子的三层的钯或钯合金颗粒或纳米颗粒基材组成。本发明还涉及含有本发明的颗粒或纳米颗粒复合材料的催化剂和燃料电池。本发明还包括通过使用本发明的颗粒和纳米颗粒复合材料来氧还原和产生电能的方法。

4. 发明授权

US09005331B2 Platinum-coated non-noble metal-noble metal core-shell electrocatalysts 有权
标题翻译：铂包覆非贵金属贵金属核壳电极催化剂
公开(公告)号：US09005331B2
公开(公告)日：2015-04-14
申请号：US12708226
申请日：2010-02-18
申请人： Radoslav Adzic , Junliang Zhang , Yibo Mo , Miomir Vukmirovic
发明人： Radoslav Adzic , Junliang Zhang , Yibo Mo , Miomir Vukmirovic
IPC分类号： B01J23/44 , H01M4/92 , B82Y30/00 , H01M4/86 , B01J35/00 , H01M8/10
CPC分类号： H01M4/921 , B01J23/44 , B01J35/0013 , B82Y30/00 , H01M4/8657 , H01M4/926 , H01M4/928 , H01M2008/1095 , Y02E60/50
摘要： Core-shell particles encapsulated by a thin film of a catalytically active metal are described. The particles are preferably nanoparticles comprising a non-noble core with a noble metal shell which preferably do not include Pt. The non-noble metal-noble metal core-shell nanoparticles are encapsulated by a catalytically active metal which is preferably Pt. The core-shell nanoparticles are preferably formed by prolonged elevated-temperature annealing of nanoparticle alloys in an inert environment. This causes the noble metal component to surface segregate and form an atomically thin shell. The Pt overlayer is formed by a process involving the underpotential deposition of a monolayer of a non-noble metal followed by immersion in a solution comprising a Pt salt. A thin Pt layer forms via the galvanic displacement of non-noble surface atoms by more noble Pt atoms in the salt. The overall process is a robust and cost-efficient method for forming Pt-coated non-noble metal-noble metal core-shell nanoparticles.
摘要翻译：描述了由催化活性金属的薄膜包封的核 - 壳颗粒。颗粒优选是纳米颗粒，其包含优选不包括Pt的贵金属壳的非贵重核。非贵金属 - 贵金属核 - 壳纳米颗粒被优选Pt的催化活性金属包囊。核 - 壳纳米颗粒优选通过纳米颗粒合金在惰性环境中的延长的高温退火来形成。这使得贵金属组分表面分离并形成原子薄的壳。 Pt覆盖层通过涉及非贵金属的单层的潜在不良沉积，然后浸入包含Pt盐的溶液中的方法形成。通过在盐中更贵的Pt原子通过非贵重表面原子的电位置形成薄的Pt层。整个过程是用于形成Pt涂覆的非贵金属贵金属核 - 壳纳米颗粒的鲁棒且成本有效的方法。

5. 发明授权

US07855021B2 Electrocatalysts having platium monolayers on palladium, palladium alloy, and gold alloy core-shell nanoparticles, and uses thereof 有权
标题翻译：在钯，钯合金和金合金核 - 壳纳米颗粒上具有铂单层的电催化剂及其用途
公开(公告)号：US07855021B2
公开(公告)日：2010-12-21
申请号：US11156038
申请日：2005-06-20
申请人： Radoslav Adzic , Yibo Mo , Miomir Vukmirovic , Junliang Zhang
发明人： Radoslav Adzic , Yibo Mo , Miomir Vukmirovic , Junliang Zhang
IPC分类号： H01M4/92
CPC分类号： H01M4/921 , B01J23/44 , B01J35/0013 , B22F1/0018 , B22F1/0022 , B22F1/025 , H01M4/8657 , H01M4/926 , H01M4/928 , H01M2008/1095 , Y10T428/12181
摘要： The invention relates to platinum-coated particles useful as fuel cell electrocatalysts. The particles are composed of a noble metal or metal alloy core at least partially encapsulated by an atomically thin surface layer of platinum atoms. The invention particularly relates to such particles having a palladium, palladium alloy, gold alloy, or rhenium alloy core encapsulated by an atomic monolayer of platinum. In other embodiments, the invention relates to fuel cells containing these electrocatalysts and methods for generating electrical energy therefrom.
摘要翻译：本发明涉及可用作燃料电池电催化剂的铂包覆颗粒。颗粒由至少部分地被铂原子的原子薄的表面层包封的贵金属或金属合金芯构成。本发明特别涉及具有钯，钯合金，金合金或由铂原子单层包覆的铼合金芯的颗粒。在其它实施方案中，本发明涉及含有这些电催化剂的燃料电池及其从其产生电能的方法。

6. 发明授权

US08062552B2 Electrocatalyst for oxygen reduction with reduced platinum oxidation and dissolution rates 有权
标题翻译：用于氧还原的电催化剂，具有降低的铂氧化和溶解速率
公开(公告)号：US08062552B2
公开(公告)日：2011-11-22
申请号：US11132378
申请日：2005-05-19
申请人： Radoslav Adzic , Junliang Zhang , Miomir Vukmirovic
发明人： Radoslav Adzic , Junliang Zhang , Miomir Vukmirovic
IPC分类号： H01B1/00 , H01B1/12
CPC分类号： B01J37/0221 , B01J23/42 , B01J23/56 , B01J37/0238 , B01J37/16 , H01B1/122 , H01M4/8652 , H01M4/8657 , H01M4/9016 , H01M4/92 , H01M4/925 , H01M8/1007 , H01M2004/8689 , H01M2008/1095 , Y10T428/12771 , Y10T428/24997
摘要： The invention relates to platinum-metal oxide composite particles and their use as electrocatalysts in oxygen-reducing cathodes and fuel cells. The invention particularly relates to methods for preventing the oxidation of the platinum electrocatalyst in the cathodes of fuel cells by use of these platinum-metal oxide composite particles. The invention additionally relates to methods for producing electrical energy by supplying such a fuel cell with an oxidant, such as oxygen, and a fuel source, such as hydrogen.
摘要翻译：本发明涉及铂金属氧化物复合颗粒及其在氧还原阴极和燃料电池中作为电催化剂的用途。本发明特别涉及通过使用这些铂金属氧化物复合颗粒来防止燃料电池的阴极中的铂电极催化剂氧化的方法。本发明还涉及通过向燃料电池供应诸如氧的氧化剂和诸如氢的燃料源来产生电能的方法。

7. 发明申请

US20060263675A1 Electrocatalyst for oxygen reduction with reduced platinum oxidation and dissolution rates 有权
标题翻译：用于氧还原的电催化剂，具有降低的铂氧化和溶解速率
公开(公告)号：US20060263675A1
公开(公告)日：2006-11-23
申请号：US11132378
申请日：2005-05-19
申请人： Radoslav Adzic , Junliang Zhang , Miomir Vukmirovic
发明人： Radoslav Adzic , Junliang Zhang , Miomir Vukmirovic
IPC分类号： H01M4/92 , H01M8/10 , B01J23/42 , H01B1/16
CPC分类号： B01J37/0221 , B01J23/42 , B01J23/56 , B01J37/0238 , B01J37/16 , H01B1/122 , H01M4/8652 , H01M4/8657 , H01M4/9016 , H01M4/92 , H01M4/925 , H01M8/1007 , H01M2004/8689 , H01M2008/1095 , Y10T428/12771 , Y10T428/24997
摘要： The invention relates to platinum-metal oxide composite particles and their use as electrocatalysts in oxygen-reducing cathodes and fuel cells. The invention particularly relates to methods for preventing the oxidation of the platinum electrocatalyst in the cathodes of fuel cells by use of these platinum-metal oxide composite particles. The invention additionally relates to methods for producing electrical energy by supplying such a fuel cell with an oxidant, such as oxygen, and a fuel source, such as hydrogen.
摘要翻译：本发明涉及铂金属氧化物复合颗粒及其在氧还原阴极和燃料电池中作为电催化剂的用途。本发明特别涉及通过使用这些铂金属氧化物复合颗粒来防止燃料电池的阴极中的铂电极催化剂氧化的方法。本发明还涉及通过向燃料电池供应诸如氧的氧化剂和诸如氢的燃料源来产生电能的方法。

8. 发明授权

US08308989B2 Electrocatalyst for oxygen reduction with reduced platinum oxidation and dissolution rates 有权
标题翻译：用于氧还原的电催化剂，具有降低的铂氧化和溶解速率
公开(公告)号：US08308989B2
公开(公告)日：2012-11-13
申请号：US13033764
申请日：2011-02-24
申请人： Radoslav Adzic , Junliang Zhang , Miomir Vukmirovic
发明人： Radoslav Adzic , Junliang Zhang , Miomir Vukmirovic
IPC分类号： H01B1/00
CPC分类号： B01J37/0221 , B01J23/42 , B01J23/56 , B01J37/0238 , B01J37/16 , H01B1/122 , H01M4/8652 , H01M4/8657 , H01M4/9016 , H01M4/92 , H01M4/925 , H01M8/1007 , H01M2004/8689 , H01M2008/1095 , Y10T428/12771 , Y10T428/24997
摘要： The invention relates to platinum-metal oxide composite particles and their use as electrocatalysts in oxygen-reducing cathodes and fuel cells. The invention particularly relates to methods for preventing the oxidation of the platinum electrocatalyst in the cathodes of fuel cells by use of these platinum-metal oxide composite particles. The invention additionally relates to methods for producing electrical energy by supplying such a fuel cell with an oxidant, such as oxygen, and a fuel source, such as hydrogen.
摘要翻译：本发明涉及铂金属氧化物复合颗粒及其在氧还原阴极和燃料电池中作为电催化剂的用途。本发明特别涉及通过使用这些铂金属氧化物复合颗粒来防止燃料电池的阴极中的铂电极催化剂氧化的方法。本发明还涉及通过向燃料电池供应诸如氧的氧化剂和诸如氢的燃料源来产生电能的方法。

9. 发明申请

US20110151356A1 Electrocatalyst for Oxygen Reduction with Reduced Platinum Oxidation and Dissolution Rates 有权
标题翻译：降低铂氧化和溶解速率的氧还原电催化剂
公开(公告)号：US20110151356A1
公开(公告)日：2011-06-23
申请号：US13033764
申请日：2011-02-24
申请人： Radoslav Adzic , Junliang Zhang , Miomir Vukmirovic
发明人： Radoslav Adzic , Junliang Zhang , Miomir Vukmirovic
IPC分类号： H01M4/48
CPC分类号： B01J37/0221 , B01J23/42 , B01J23/56 , B01J37/0238 , B01J37/16 , H01B1/122 , H01M4/8652 , H01M4/8657 , H01M4/9016 , H01M4/92 , H01M4/925 , H01M8/1007 , H01M2004/8689 , H01M2008/1095 , Y10T428/12771 , Y10T428/24997
摘要： The invention relates to platinum-metal oxide composite particles and their use as electrocatalysts in oxygen-reducing cathodes and fuel cells. The invention particularly relates to methods for preventing the oxidation of the platinum electrocatalyst in the cathodes of fuel cells by use of these platinum-metal oxide composite particles. The invention additionally relates to methods for producing electrical energy by supplying such a fuel cell with an oxidant, such as oxygen, and a fuel source, such as hydrogen.
摘要翻译：本发明涉及铂金属氧化物复合颗粒及其在氧还原阴极和燃料电池中作为电催化剂的用途。本发明特别涉及通过使用这些铂金属氧化物复合颗粒来防止燃料电池的阴极中的铂电极催化剂氧化的方法。本发明还涉及通过向燃料电池供应诸如氧的氧化剂和诸如氢的燃料源来产生电能的方法。

10. 发明授权

US07691780B2 Platinum- and platinum alloy-coated palladium and palladium alloy particles and uses thereof 有权
标题翻译：铂和铂合金涂层的钯和钯合金颗粒及其用途
公开(公告)号：US07691780B2
公开(公告)日：2010-04-06
申请号：US11019759
申请日：2004-12-22
申请人： Radoslav Adzic , Junliang Zhang , Yibo Mo , Miomir Branko Vukmirovic
发明人： Radoslav Adzic , Junliang Zhang , Yibo Mo , Miomir Branko Vukmirovic
IPC分类号： B22F1/02 , H01M4/92
CPC分类号： H01M4/928 , B01J23/44 , B01J35/0013 , H01M4/8657 , H01M4/921 , H01M4/926 , H01M2008/1095 , Y10T428/2991
摘要： The present invention relates to particle and nanoparticle composites useful as oxygen-reduction electrocatalysts. The particle composites are composed of a palladium or palladium-alloy particle or nanoparticle substrate coated with an atomic submonolayer, monolayer, bilayer, or trilayer of zerovalent platinum atoms. The invention also relates to a catalyst and a fuel cell containing the particle or nanoparticle composites of the invention. The invention additionally includes methods for oxygen reduction and production of electrical energy by using the particle and nanoparticle composites of the invention.
摘要翻译：本发明涉及用作氧还原电极催化剂的颗粒和纳米颗粒复合材料。颗粒复合材料由涂覆有原子亚单层，单层，双层或零价铂原子的三层的钯或钯合金颗粒或纳米颗粒基材组成。本发明还涉及含有本发明的颗粒或纳米颗粒复合材料的催化剂和燃料电池。本发明还包括通过使用本发明的颗粒和纳米颗粒复合材料来氧还原和产生电能的方法。

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