Electrolytic generation of nitrogen using azole derivatives
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IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
C25B-001/00
C25B-009/00
출원번호
US-0061754
(2002-02-01)
발명자
/ 주소
Oloman, Colin
Lencar, Diana
출원인 / 주소
A.T.S. Electro-Lube Holdings, Ltd.
대리인 / 주소
Graybeal, Jackson, Haley LLP
인용정보
피인용 횟수 :
6인용 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▼
1. An electrolyte for producing by electrolysis nitrogen gas 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, further comprising a cathode depo
1. An electrolyte for producing by electrolysis nitrogen gas 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, further comprising a cathode depolariser reactant to suppress hydrogen gas formation. 2. The electrolyte of claim 1, 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. 3. The electrolyte of claim 2, wherein has cathode depolariser is nitro-ethanol, nitromethane, isonicotinic acid, a nitrate salt or a chlorate salt. 4. The electrolyte of claim 1, further comprising a co-solvent. 5. The electrolyte of claim 4 wherein the co-solvent is selected from the group consisting of acetone, or dimethylsulphoxide, glycerol, ethylene glycol, methanol and ethanol. 6. The electrolyte of claim 4, wherein the electrolyte comprises a supporting electrolyte. 7. The electrolyte of claim 4, wherein the supporting electrolyte is a nitrate salt, a chlorate salt or a chloride salt. 8. An electrolyte for producing by electrolysis nitrogen gas 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, wherein to electrolyte is an ionic compound selected from the group consisting of 5-amino-tetrazole potassium, nitrate salts, chlorate salts, and chloride salts. 9. An electrolyte for producing by electrolysis nitrogen gas 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, and further comprising an antifreeze agent. 10. The electrolyte of claim 9, wherein the antifreeze agent is selected from the group consisting of acetone, glycerol, DMSO, and ethylene glycol. 11. An electrolyte for producing by electrolysis nitrogen gas 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, wherein the active nitrogen compound is 5-amino-1H-tetrazole. 12. The electrolyte of claim 11, wherein the electrolyte is aqueous and further comprises a co-solvent and a supporting electrolyte. 13. The electrolyte of claim 11 wherein the co-solvent is glycerol, ethylene glycol or DMSO and the supporting electrolyte is a chloride or nitrate salt. 14. An electrolyte for producing by electrolysis nitrogen gas 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, wherein the active nitrogen compound is an aminotetrazole salt. 15. The electrolyte of claim 14, further comprising a cathode depolariser. 16. The electrolyte of claim 15, wherein the cathode depolariser is isonicotinic acid or nitrate salt. 17. An electrolytic cell for producing by electrolysis nitrogen gas, 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, wherein the active nitrogen compound is an aminotetrazole or an aminotetrazole salt. 18. The electrolytic cell of claim 17, wherein the anode and the cathode comprise a polymer impregnated graphite, GRAFOIL™, graphite paper, graphite felt or graphite cloth. 19. The electrolytic cell of claim 17, further comprising a cathode depolariser to suppress hydrogen formation at the cathode. 20. The electrolytic cell of claim 19, wherein the cathode depolariser is n itro-ethanol, nitromethane, isonicotinic acid, a nitrate salt or a chlorate salt. 21. The electrolytic cell of claim 19, further comprising a co-solvent. 22. The electrolytic cell of claim 19 further comprising an antifreeze agent. 23. The electrolytic cell of claim 22, wherein the antifreeze agent is acetone, glycerol, ethylene glycol, or DMSO. 24. The electrolytic cell of claim 19, wherein the aminotetrazole is 5-amino-1H-tetrazole. 25. The electrolytic cell of claim 24, wherein the cathode depolariser is an alkali or alkaline earth nitrate salt and the co-solvent is DMSO. 26. The electrolytic cell of claim 25, wherein the anode and the cathode are polymer impregnated graphite. 27. The electrolytic cell of claim 19, wherein the aminotetrazole salt is potassium 5-amino-tetrazole. 28. The electrolytic cell of claim 27, wherein the anode is GRAFOIL™ and the cathode is graphite cloth. 29. The electrolytic cell of claim 28, wherein to cathode depolariser is isonicotiic acid or an alkali or ammonium salt thereof, or an alkali or alkaline earth nitrate salt. 30. The electrolytic cell of claim 29 further comprising an antifreeze agent. 31. The electrolytic cell of claim 17, wherein the anode is GRAFOIL™, 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. 32. The electrolytic cell of claim 17, wherein the anode and cathode are Nylon™ 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. 33. The electrolytic cell of claim 17, further comprising a transducer for capturing the nitrogen gas generated at the anode and producing mechanical energy therefrom. 34. The electrolytic cell of claim 33, 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)
Katner Allen S. (Indianapolis IN) Bogard Stephen J. (Indianapolis IN), 1-and 2-(1-Alkyl-1H-tetrazol-5-yl-methyl)-1H-tetrazol-5-thiols and 1-cyanomethyl tetrazole-5-thiol.
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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