Reduced-weight fuel cell plate with corrosion resistant coating
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
H01M-002/20
H01M-004/64
H01M-004/66
H01M-008/00
H01M-008/02
H01M-008/24
B23K-031/02
출원번호
US-0759933
(2010-04-14)
등록번호
US-8956784
(2015-02-17)
발명자
/ 주소
Iyer, Vijay M.
Lee, Jean L.
Tice, Gregory L.
출원인 / 주소
Apple Inc.
대리인 / 주소
Brownstein & Hyatt Farber Schreck, LLP
인용정보
피인용 횟수 :
0인용 특허 :
1
초록▼
The disclosed embodiments provide a fuel cell plate. The fuel cell plate includes a substrate of electrically conductive material and a first outer layer of corrosion-resistant material bonded to a first portion of the substrate. To reduce the weight of the fuel cell plate, the electrically conducti
The disclosed embodiments provide a fuel cell plate. The fuel cell plate includes a substrate of electrically conductive material and a first outer layer of corrosion-resistant material bonded to a first portion of the substrate. To reduce the weight of the fuel cell plate, the electrically conductive material and the corrosion-resistant material are selected to be as light as practicable.
대표청구항▼
1. A fuel cell plate, comprising: a substrate of electrically conductive material;a first outer layer formed from a first outer layer material different from said electrically conductive material and adjacent a first portion of the substrate, the electrically conductive material having a lower densi
1. A fuel cell plate, comprising: a substrate of electrically conductive material;a first outer layer formed from a first outer layer material different from said electrically conductive material and adjacent a first portion of the substrate, the electrically conductive material having a lower density than the first outer layer material;a second outer layer formed from a solderable material different from said first outer layer material and adjacent a second portion of the substrate; anda first coating of corrosion-resistant material bonded to at least a portion of an outer surface of the first outer layer; anda second coating of solderable, corrosion-resistant material different from said first coating of corrosion-resistant material, said second coating bonded to at least a portion of an outer surface of the second outer layer. 2. The fuel cell plate of claim 1, wherein the first outer layer and the second outer layer are simultaneously bonded to the substrate using a cladding technique. 3. The fuel cell plate of claim 1, wherein the second portion of the substrate and the second outer layer correspond to a solder tab for the fuel cell plate. 4. The fuel cell plate of claim 1, wherein the first outer layer is bonded to the first portion of the substrate using at least one of a cladding technique, a sputtering technique, a spraying technique, a plating technique, and a coating technique. 5. The fuel cell plate of claim 1, wherein the first portion of the substrate and the first outer layer correspond to an electrode for a fuel cell. 6. The fuel cell plate of claim 1, further comprising: a corrosion-resistant sealant applied to an exposed edge of the substrate. 7. The fuel cell plate of claim 6, wherein the corrosion-resistant sealant is applied using at least one of a welding technique, a molding technique, and a coating technique. 8. A fuel cell stack, comprising: a second of fuel cell plates coupled together, wherein each of the fuel cell plates comprises:a substrate of electrically conductive material;a first outer layer formed from a first outer layer material different from said electrically conductive material and adjacent a first portion of the substrate, the electrically conductive material having a lower density than the first outer layer material;a second outer layer formed from a solderable material different from said first outer layer material and adjacent a second portion of the substrate; anda first coating of corrosion-resistant material bonded to at least a portion of an outer surface of the first outer layer; anda second coating of solderable, corrosion-resistant material different from said first coating of corrosion-resistant material, said second coating bonded to at least a portion of an outer surface of the second outer layer. 9. The fuel cell stack of claim 8, wherein the first outer layer and the second outer layer are simultaneously bonded to the substrate using a cladding technique. 10. The fuel cell stack of claim 8, wherein each of the fuel cell plates further comprises: a corrosion-resistant sealant applied to an exposed edge of the substrate. 11. The fuel cell stack of claim 8, wherein the first portion of the substrate and the first outer layer correspond to an electrode for a fuel cell. 12. A portable electronic device, comprising: a set of components powered by a fuel cell stack; andthe fuel cell stack comprising a set of fuel cell plates coupled together, wherein each of the fuel cell plates comprises:a substrate of electrically conductive material;a first outer layer formed from a first outer layer material different from said electrically conductive material and adjacent a first portion of the substrate, the electrically conductive material having a lower density than the first outer layer material;a second outer layer formed from a solderable material different from said first outer layer material and adjacent a second portion of the substrate; anda first coating of corrosion-resistant material bonded to at least a portion of an outer surface of the first outer layer; anda second coating of solderable, corrosion-resistant material different from said first coating of corrosion-resistant material, said second coating bonded to at least a portion of an outer surface of the second outer layer. 13. The portable electronic device of claim 12, wherein each of the fuel cell plates further comprises: a corrosion-resistant sealant applied to an exposed edge of the substrate. 14. A method for manufacturing a fuel cell plate, comprising: arranging a first outer layer of corrosion-resistant material over a first portion of a substrate of electrically conductive material, the electrically conductive material having a density lower than the corrosion-resistant material;arranging a second outer layer of solderable material over a second portion of the substrate, said solderable material different from said corrosion-resistant material;bonding the first and second outer layers to the substrate;depositing a corrosion-resistant coating over at least a portion of the first outer layer; anddepositing a corrosion-resistant solderable coating, different from the corrosion-resistant coating on the first outer layer, over at least a portion of the second outer layer. 15. The method of claim 14, wherein the first outer layer and the second outer layer are simultaneously bonded to the substrate using a cladding technique. 16. The method of claim 15, wherein the corrosion-resistant solderable coating is applied over the second outer layer during the cladding technique. 17. The method of claim 14, further comprising: applying a corrosion-resistant sealant to an exposed edge of the substrate. 18. The method of claim 17, wherein the corrosion-resistant sealant is applied using at least one of a welding technique, a molding technique, and a coating technique.
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이 특허에 인용된 특허 (1)
Neutzler Jay Kevin, Brazed bipolar plates for PEM fuel cells.
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