IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
UP-0952437
(2007-12-07)
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등록번호 |
US-7591964
(2009-10-20)
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발명자
/ 주소 |
- Ivanov, Sergei Vladimirovich
- Casteel, Jr., William Jack
- Pez, Guido Peter
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출원인 / 주소 |
- Air Products and Chemicals, Inc.
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대리인 / 주소 |
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인용정보 |
피인용 횟수 :
2 인용 특허 :
13 |
초록
▼
An electrochemical device and a proton conducting medium for use in an electrochemical device having a proton conducting electrolyte comprising the formula: HaMbQ.nH2O where H is a proton, M is a cation, Q is the fluoroborate or fluoroheteroborate anion, n ranges from 0.01 to 1000, a ranges from 0
An electrochemical device and a proton conducting medium for use in an electrochemical device having a proton conducting electrolyte comprising the formula: HaMbQ.nH2O where H is a proton, M is a cation, Q is the fluoroborate or fluoroheteroborate anion, n ranges from 0.01 to 1000, a ranges from 0.01 to 2 and b ranges from 0 to 2, a and b are chosen to render the formula electrically neutral, and when b is greater than 0, the ratio of b to a is less than 100 to 1.
대표청구항
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The invention claimed is: 1. An electrochemical device comprising a proton conducting medium said proton conducting medium comprising a proton conducting electrolyte comprising the formula: HaMbQ.nH2O where H is a proton, M is a cation, Q is the fluoroborate or fluoroheteroborate anion, n is su
The invention claimed is: 1. An electrochemical device comprising a proton conducting medium said proton conducting medium comprising a proton conducting electrolyte comprising the formula: HaMbQ.nH2O where H is a proton, M is a cation, Q is the fluoroborate or fluoroheteroborate anion, n is sufficient to form a liquid, a is a real number from 0.01 to 2 and b is a real number from 0 to 2, and when b is greater than 0, the ratio of b to a is less than 100 to 1, and a and b are chosen to render the formula electrically neutral; wherein the electrochemical device comprised a fuel cell. 2. The electrochemical device of claim 1, further wherein b is 0, and a is 1 or 2. 3. The electrochemical device of claim 1, further comprising a mixture of HaQ.nH2O, and HaMbQ.nH2O. 4. The electrochemical device of claim 1, further comprising a mixture of HaQ.nH2O, and HaMbQ.nH2O in molar proportions ranging from 1:10 to 100:1. 5. The electrochemical device of claim 1, wherein M is selected from the group consisting of the consisting of the elements of Group 1, Group 2, Group 3, Group 13, and the Lanthanide series, and cobalt, zirconium, hafnium, nickel, and ammonium and organic substituted ammonium cations. 6. The electrochemical device of claim 1, wherein M is selected from the group consisting of tetraethylammonium, tetrabutylammonimum, triethylammonium, monomethylammonium, dimethylammonium, trimethylammonium, tetramethylammonium, imidazolium, and n-alkyl imidazolium. 7. The electrochemical device of claim 1 wherein M is selected from the group consisting of Li, Na, K, Cs, Mg, Ca, Ba, Al, Zr, or mixtures of those elements. 8. The electrochemical device of claim 1 wherein said proton conducting medium further comprises a second proton conducting electrolyte, said second proton conducting electrolyte being selected from the group consisting of anhydrous phosphoric acid, alkane sulfonic acid, fluoroalkanesulfonic acid, or sulfuric acid. 9. The electrochemical device of claim 8 wherein said polymer is selected from the group consisting of perfluorosulfonic acids, polyethylene oxide, polyimides, and polysulfones. 10. The electrochemical device of claim 8 wherein said polymer is selected from the group consisting of polyvinylpyridine, polyaniline, polybenzimidazole, and polybenzoxazoles. 11. The electrochemical device of claim 1, wherein said proton conducting medium further comprises a polymer. 12. The electrochemical device of claim 1 wherein said proton conducting medium further comprises a porous matrix. 13. The electrochemical device of claim 12 wherein said porous matrix comprises microglass fibers, silicon carbide, boron nitride, or porous carbon materials. 14. The electrochemical device of claim 1, wherein Q is selected from the group consisting of: (i) the closo-borate anion of composition (B12FxZ12-x)2- or (B10FxZ10-x)2- where Z is H, Cl, Br or OR, where R is H, alkyl or fluoroalkyl, and x, on an average basis, ranges from 3 to 12 or from 2 to 10 respectively; (ii) the closoammoniofluoroborate anion compositions of formula ((R'R"R'")NB12FxZ(11-x))1- or ((R'R"R'")NB10FxZ(9-x))1-, where N is bonded to B and each of R', R", R'" is independently selected from the group consisting of hydrogen, alkyl, cycloalkyl, aryl and a polymeric group; Z is H, Cl, Br, or OR, where R is H, alkyl or fluoroalkyl, and x, on an average basis, ranges from 0 to 11 or from 0 to 9 respectively; and (iii) the c/oso-monocarborate anion compositions of formula (R""CB11FxZ(11-x))1- or (R""CB9FxZ(9-x))1-, where R"" is bonded to C and is selected from the group consisting of hydrogen, alkyl, cycloalkyl, aryl, and a polymeric group, Z is H, Cl, Br, or OR, where R is H, alkyl or fluoroalkyl, and x, on an average basis, ranges from 0 to 11 or from 0 to 9 respectively. 15. The electrochemical device of claim 1 further comprising a hydrogen anode and an oxygen cathode. 16. The electrochemical device of claim 1 wherein said fuel cell comprises a liquid proton conducting electrolyte. 17. The electrochemical device of claim 1, wherein Q is selected from the group consisting of: (i) the c/oso-borate anion of composition (B12FxZ12-x)2- or (B10FxZ10-x)2- where Z is H, Cl, Br or OR, where R is H, alkyl or fluoroalkyl, and x, on an average basis, ranges from 3 to 12 or from 2 to 10 respectively. 18. A fuel cell device comprising: a hydrogen anode, an oxygen cathode and a liquid proton conducting medium said proton conducting medium comprising a proton conducting electrolyte comprising the formula: HaMbQ.nH2O where H is a proton, M is a cation, Q is the fluoroborate or fluoroheteroborate anion, n is a number from 1 to 1000, a is a real number from 0.01 to 2 and b is a real number from 0 to 2, and when b is greater than 0, the ratio of b to a is less than 100 to 1, and a and b are chosen to render the formula electrically neutral. 19. The fuel cell device of claim 18 wherein the medium is supported by or blended with a polymeric matrix. 20. The fuel cell device of claim 18 wherein Q comprises B12FxZ12-x wherein Z comprises H, and x, on an average basis, ranges from 3 to 12. 21. The fuel cell device of claim 18 wherein the medium further comprises O2.
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