IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0849291
(2004-05-19)
|
등록번호 |
US-7479343
(2009-01-20)
|
발명자
/ 주소 |
- Devenney,Martin
- Gorer,Alexander
- Strasser,Peter
- He,Ting
- Oyanagi,Hiroyuki
- Giaquinta,Daniel M.
- Fan,Qun
- Chondroudis,Konstantinos
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출원인 / 주소 |
- Symyx Technologies, Inc.
- Honda Giken Kogyo Kabushiki Kaisha
|
대리인 / 주소 |
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인용정보 |
피인용 횟수 :
1 인용 특허 :
13 |
초록
A fuel cell electrocatalyst that contains platinum, indium, and at least one of tungsten, iron, and manganese.
대표청구항
▼
What is claimed is: 1. A catalyst for use in oxidation or reduction reactions, the catalyst comprising platinum in a concentration between about 5 and about 65 atomic percent, indium in a concentration between about 5 and about 80 percent, and at least one of tungsten, iron, and manganese wherein t
What is claimed is: 1. A catalyst for use in oxidation or reduction reactions, the catalyst comprising platinum in a concentration between about 5 and about 65 atomic percent, indium in a concentration between about 5 and about 80 percent, and at least one of tungsten, iron, and manganese wherein tungsten, iron, manganese, or a combination thereof is at a concentration that is between about 10 and about 85 atomic percent. 2. The catalyst of claim 1 wherein indium is at a concentration that is between about 5 and about 50 atomic percent. 3. The catalyst of claim 1 wherein platinum is at a concentration that is between about 5 and about 60 atomic percent, and indium is at a concentration that is between about 5 and about 50 atomic percent. 4. The catalyst of claim 1 wherein platinum is at a concentration that is between about 10 and about 50 atomic percent, indium is at a concentration that is between about 10 and about 40 atomic percent, and tungsten, iron, manganese, or a combination thereof is at a concentration that is between about 20 and about 70 atomic percent. 5. The catalyst of claim 1 wherein platinum is at a concentration that is between about 10 and about 30 atomic percent, indium is at a concentration that is between about 5 and about 30 atomic percent, and tungsten is present in the catalyst at a concentration that is between about 40 and about 80 atomic percent. 6. The catalyst of claim 1 wherein platinum is at a concentration that is between about 50 and about 60 atomic percent, indium is at a concentration that is between about 20 and about 30 atomic percent, and tungsten is present in the catalyst at a concentration that is between about 15 and about 25 atomic percent. 7. The catalyst of claim 1 wherein platinum is at a concentration that is between about 25 and about 65 atomic percent, indium is at a concentration that is between about 5 and about 50 atomic percent, and iron is at a concentration that is between about 10 and about 60 atomic percent. 8. The catalyst of claim 1 wherein platinum is at a concentration that is between about 30 and about 50 atomic percent, indium is at a concentration that is between about 15 and about 45 atomic percent, and iron is present in the catalyst at a concentration that is between about 15 and about 50 atomic percent. 9. The catalyst of claim 1 wherein platinum is at a concentration that is between about 45 and about 55 atomic percent, indium is at a concentration that is between about 20 and about 30 atomic percent, and iron is present in the catalyst at a concentration that is between about 20 and about 30 atomic percent. 10. The catalyst of claim 1 wherein platinum is at a concentration that is between about 10 and about 50 atomic percent, indium is at a concentration that is between about 5 and about 30 atomic percent, iron is present in the catalyst at a concentration that is between about 15 and about 80 atomic percent, and manganese is present in the catalyst at a concentration that is between about 1 and about 15 atomic percent. 11. The catalyst of claim 1 wherein platinum is at a concentration that is between about 30 and about 45 atomic percent, indium is at a concentration that is between about 15 and about 30 atomic percent, iron is present in the catalyst at a concentration that is between about 20 and about 45 atomic percent, and manganese is present in the catalyst at a concentration that is between about 3 and about 12 atomic percent. 12. The catalyst of claim 1 wherein platinum is at a concentration that is between about 10 and about 50 atomic percent, indium is at a concentration that is between about 10 and about 80 atomic percent, and manganese is present in the catalyst at a concentration that is no more than about 60 atomic percent. 13. The catalyst of claim 1 wherein platinum is at a concentration that is between about 20 and about 40 atomic percent, indium is at a concentration that is between about 40 and about 70 atomic percent, and manganese is present in the catalyst at a concentration that is between about 5 and about 40 atomic percent. 14. The catalyst of claim 1 wherein platinum is at a concentration that is between about 25 and about 35 atomic percent, indium is at a concentration that is between about 50 and about 70 atomic percent, and manganese is present in the catalyst at a concentration that is between about 10 and about 30 atomic percent. 15. The catalyst of claim 1 wherein platinum is at a concentration that is between about 25 and about 65 atomic percent, indium is at a concentration that is no more than about 55 atomic percent, tungsten is present in the catalyst at a concentration that is no more than about 40 atomic percent, and manganese is present in the catalyst at a concentration that is no more than about 40 atomic percent. 16. The catalyst of claim 1 wherein platinum is at a concentration that is between about 35 and about 55 atomic percent, indium is at a concentration that is between about 10 and about 40 atomic percent, tungsten is present in the catalyst at a concentration that is between about 10 and about 30 atomic percent, and manganese is present in the catalyst at a concentration that is between about 10 and about 30 atomic percent.
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