Electrolytic generation of nitrogen using azole derivatives
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
C25B-001/00
C02F-101/38
C02F-001/461
C25B-009/00
출원번호
US-0869791
(2004-06-15)
등록번호
US-7306711
(2007-12-11)
발명자
/ 주소
Oloman,Colin
Lencar,Diana
출원인 / 주소
Oloman,Colin
Lencar,Diana
인용정보
피인용 횟수 :
4인용 특허 :
8
초록▼
The invention provides electrolytes for the electrochemical generation of nitrogen gas by anodic oxidation of triazole and tetrazole derivatives. Electrolytic cells incorporating these electrolytes are also disclosed. The nitrogen gas so produced may be useful to actuate mechanical transducers in fl
The invention provides electrolytes for the electrochemical generation of nitrogen gas by anodic oxidation of triazole and tetrazole derivatives. Electrolytic cells incorporating these electrolytes are also disclosed. The nitrogen gas so produced may be useful to actuate mechanical transducers in fluid dispensers.
대표청구항▼
What is claimed is: 1. A method for producing by electrolysis nitrogen gas comprising passing a current through an electrolyte, said electrolyte comprising an active nitrogen compound selected from the group consisting of triazoles, aminotriazoles, tetrazoles, aminotetrazoles and salts thereof, sai
What is claimed is: 1. A method for producing by electrolysis nitrogen gas comprising passing a current through an electrolyte, said electrolyte comprising an active nitrogen compound selected from the group consisting of triazoles, aminotriazoles, tetrazoles, aminotetrazoles and salts thereof, said active nitrogen compound being an anode reactant. 2. The method of claim 1, wherein said electrolyte further comprises a cathode depolariser reactant to suppress hydrogen gas formation. 3. The method of claim 2, wherein the cathode depolariser is selected from the group consisting of isonicotinic acid and soluble salts thereof, nitro-ethanol, nitromethane, nitroguanidine, nitrate salts and chlorate salts. 4. The method of claim 3, wherein the cathode depolariser is nitro-ethanol, nitromethane, isonicotinic acid, a nitrate salt or a chlorate salt. 5. The method of claim 1, wherein the electrolyte is an ionic compound selected from the group consisting of 5-amino-tetrazole potassium, nitrate salts, chlorate salts, and chloride salts. 6. The method of claim 1, wherein the electrolyte further comprises a co-solvent. 7. The method of claim 6 wherein the co-solvent is selected from the group consisting of acetone, or dimethylsulphoxide, glycerol, ethylene glycol, methanol and ethanol. 8. The method of claim 6, wherein the electrolyte comprises a supporting electrolyte. 9. The method of claim 8, wherein the supporting electrolyte is a nitrate salt, a chlorate salt or a chloride salt. 10. The method of claim 1, wherein the electrolyte further comprises an antifreeze agent. 11. The method of claim 10, wherein the antifreeze agent is selected from the group consisting of acetone, glycerol, DMSO, and ethylene glycol. 12. The method of claim 1, wherein the active nitrogen compound is 5-amino-1H-tetrazole. 13. The method of claim 12, wherein the electrolyte is aqueous and further comprises a co-solvent and a supporting electrolyte. 14. The method of claim 13 wherein the co-solvent is glycerol, ethylene glycol or DMSO and the supporting electrolyte is a chloride or nitrate salt. 15. The method of claim 1, wherein the active nitrogen compound is an aminotetrazole salt. 16. The method of claim 15, further comprising a cathode depolariser. 17. The method of claim 16, wherein the cathode depolariser is isonicotinic acid or nitrate salt. 18. A method for producing by electrolysis nitrogen gas, comprising passing a current through an electrolytic cell, said electrolytic cell comprising: (a) an anode; (b) a cathode; and (c) an electrolyte comprising an active nitrogen compound selected from the group consisting of triazoles, aminotriazoles, tetrazoles, aminotetrazoles and salts thereof, said active nitrogen compound being an anode reactant. 19. The method of claim 18, wherein the active nitrogen compound is an aminotetrazole or an aminotetrazole salt. 20. The method of claim 19, wherein the electrolyte cell further comprises a cathode depolariser to suppress hydrogen formation at the cathode. 21. The method of claim 20, wherein the cathode depolariser is nitro-ethanol, nitromethane, isonicotinic acid, a nitrate salt or a chlorate salt. 22. The method of claim 20, wherein the electrolyte further comprises a co-solvent. 23. The method of claim 20 wherein the electrolyte further comprises an antifreeze agent. 24. The method of claim 23, wherein the antifreeze agent is acetone, glycerol, ethylene glycol, or DMSO. 25. The method of claim 20, wherein the aminotetrazole is 5-amino-1H-tetrazole. 26. The method of claim 25, wherein the cathode depolariser is an alkali or alkaline earth nitrate salt and the co-solvent is DMSO. 27. The method of claim 26, wherein the anode and the cathode are polymer impregnated graphite. 28. The method of claim 20, wherein the aminotetrazole salt is potassium 5-amino-tetrazole. 29. The method of claim 28, wherein the anode is GRAFOIL짰 and the cathode is graphite cloth. 30. The method of claim 29, wherein the cathode depolariser is isonicotinic acid or an alkali or ammonium salt thereof, or an alkali or alkaline earth nitrate salt. 31. The method of claim 30 wherein the electrolyte further comprises an antifreeze agent. 32. The method of claim 18, wherein the anode and the cathode comprise a polymer impregnated graphite, GRAFOIL짰, graphite paper, graphite felt or graphite cloth. 33. The method of claim 18, wherein the anode is GRAFOIL짰, the cathode is graphite cloth, and the electrolyte is an aqueous solution comprising 10% by weight of potassium 5-amino-tetrazole, 10% by weight of 5-amino-1H-tetrazole, 8% by weight of isonicotinic acid, 6% by weight of lithium nitrate and 40% by weight of dimethylsulphoxide. 34. The method of claim 18, wherein the anode and cathode are Nylon짰 impregnated graphite, and the electrolyte is an aqueous solution comprising 26% by weight of potassium 5-amino-tetrazole, 10% by weight of isonicotic acid and 40% by weight of dimethylsulphoxide. 35. The method of claim 18, further comprising a transducer for capturing the nitrogen gas generated at the anode and producing mechanical energy therefrom. 36. The method of claim 35, wherein the transducer is mechanically coupled to a fluid dispenser so that a fluid is dispensed from the fluid dispenser when nitrogen gas is generated at the anode.
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이 특허에 인용된 특허 (8)
Nishimura, Tatsuya; Serikawa, Roberto Masahiro; Su, Qingquan; Isaka, Masahiro, Apparatus and method for hydrothermal electrolysis.
Joshi Ashok V. (Salt Lake City UT) Gordon John H. (Salt Lake City UT) Shen Yousheng (Salt Lake City UT), Gas releasing electrochemical cell for fluid dispensing applications.
Lippman ; deceased Lawrence G. (5655 Newhouse Rd. late of East Amherst NY) Culverwell ; administrator by Cindy (5655 Newhouse Rd. East Amherst NY 14051), Method of propellant gas generation.
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