Water reactive hydrogen fuel cell power system
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IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
H01M-008/06
H01M-008/02
출원번호
US-0291815
(2011-11-08)
등록번호
US-8632928
(2014-01-21)
발명자
/ 주소
Wallace, Andrew P.
Melack, John M.
Lefenfeld, Michael
출원인 / 주소
Signa Chemistry, Inc.
대리인 / 주소
Lucas & Mercanti, LLP
인용정보
피인용 횟수 :
0인용 특허 :
72
초록▼
A water reactive hydrogen fueled power system includes devices and methods to combine reactant fuel materials and aqueous solutions to generate hydrogen. The generated hydrogen is converted in a fuel cell to provide electricity. The water reactive hydrogen fueled power system includes a fuel cell, a
A water reactive hydrogen fueled power system includes devices and methods to combine reactant fuel materials and aqueous solutions to generate hydrogen. The generated hydrogen is converted in a fuel cell to provide electricity. The water reactive hydrogen fueled power system includes a fuel cell, a water feed tray, and a fuel cartridge to generate power for portable power electronics. The removable fuel cartridge is encompassed by the water feed tray and fuel cell. The water feed tray is refillable with water by a user. The water is then transferred from the water feed tray into the fuel cartridge to generate hydrogen for the fuel cell which then produces power for the user.
대표청구항▼
1. A hydrogen fuel cell system comprising: a fuel cell;a fuel cartridge including a reactant fuel material; anda water feed tray operably connected to the fuel cartridge and configured to provide an aqueous solution into the fuel cartridge to react with the reactant fuel material to develop hydrogen
1. A hydrogen fuel cell system comprising: a fuel cell;a fuel cartridge including a reactant fuel material; anda water feed tray operably connected to the fuel cartridge and configured to provide an aqueous solution into the fuel cartridge to react with the reactant fuel material to develop hydrogen for the fuel cell,wherein said water feed tray includes a spring mechanism operably connected to the water feed tray and configured to push the fuel cartridge against the fuel cell providing the force required for a hydrogen seal during operation of the system. 2. The hydrogen fuel cell system of claim 1, wherein the reactant fuel material includes a stabilized alkali metal. 3. The hydrogen fuel cell system of claim 2, wherein the stabilized alkali metal includes sodium silicide or sodium silica gel, and optionally a coreactant. 4. The hydrogen fuel cell system of claim 1, wherein the aqueous solution includes water. 5. The hydrogen fuel cell system of claim 1, wherein the water feed tray includes a spring assembly configured to pressurize the aqueous solution in the water feed tray. 6. The hydrogen fuel cell system of claim 1, wherein the water feed tray includes an access door configured to receive the aqueous solution. 7. The hydrogen fuel cell system of claim 6, wherein the access door of the water feed tray includes a latching shelf configured to position the access door in a locked open position for receiving the aqueous solution. 8. The hydrogen fuel cell system of claim 7, wherein the water feed tray includes a spring assembly configured to pressurize the aqueous solution in the water feed tray. 9. The hydrogen fuel cell system of claim 8, wherein the latching shelf is further configured to load the spring assembly when the access door is positioned in the locked open position. 10. The hydrogen fuel cell system of claim 8, wherein the access door includes an unlocking mechanism and is configured to unlock and activate the spring assembly to impart a force on the aqueous solution in the water feed tray. 11. The hydrogen fuel cell system of claim 5, wherein the water feed tray includes a normally closed valve configured as a check valve to regulate pressure of the pressurized aqueous solution delivered to the fuel cartridge. 12. The hydrogen fuel cell system of claim 11, wherein the check valve and spring assembly are further configured to provide a controlled flow of aqueous solution to the fuel cartridge. 13. The hydrogen fuel cell system of claim 1, wherein the water feed tray includes a normally closed valve configured to prevent the aqueous solution from traveling to the fuel cartridge when the fuel cartridge and the fuel cell are not connected to the water feed tray and further configured to open when the fuel cell and the fuel cartridge are connected to the water feed tray. 14. The hydrogen fuel cell system of claim 1, wherein the spring mechanism is further configured to eject the fuel cartridge from a water feed connection when the fuel cell is disconnected from the system. 15. The hydrogen fuel cell system of claim 1, wherein the water feed tray includes a latch locking point configured to receive a latch from the fuel cell and further configured to push the fuel cartridge against the fuel cell providing an engagement force for a hydrogen seal between the fuel cartridge and the fuel cell during operation of the system. 16. The hydrogen fuel cell system of claim 1, wherein the water feed tray includes a water tray needle configured to deliver the aqueous solution to the fuel cartridge. 17. The hydrogen fuel cell system of claim 1, wherein the water feed tray includes a bellows assembly configured to hold the aqueous solution. 18. The hydrogen fuel cell system of claim 17, wherein the bellows assembly includes a spring configured inside the bellows assembly. 19. The hydrogen fuel cell system of claim 18, wherein the spring is further configured to pressurize the aqueous solution when the bellows assembly is collapsing. 20. The hydrogen fuel cell system of claim 19, wherein the spring is further configured to pressurize the aqueous solution when the bellows assembly is fully collapsed. 21. The hydrogen fuel cell system of claim 1, wherein the fuel cartridge includes a defoamer. 22. The hydrogen fuel cell system of claim 1, wherein the fuel cartridge includes a surfactant to break down surface tension of reaction by-products in the fuel cartridge. 23. The hydrogen fuel cell system of claim 22, wherein the reaction by-products in the fuel cartridge include sodium silicate. 24. The hydrogen fuel cell system of claim 1, wherein the fuel cartridge includes a cartridge valve configured to control hydrogen flow from the fuel cartridge to the fuel cell. 25. The hydrogen fuel cell system of claim 1, wherein the fuel cartridge includes a needle valve configured to pass aqueous solution from the water tray feed to the fuel cartridge. 26. The hydrogen fuel cell system of claim 1, wherein the fuel cartridge includes a reaction feed tube configured to disperse the aqueous solution to the reactant fuel material. 27. The hydrogen fuel cell system of claim 26, wherein the reaction feed tube includes a T-fitting configured to uniformly disperse the aqueous solution to the reactant fuel material. 28. The hydrogen fuel cell system of claim 1, wherein the fuel cartridge includes a reactant retention screen configured to contain the reactant fuel material in the fuel cartridge. 29. The hydrogen fuel cell system of claim 1, wherein the fuel cartridge includes a hydrogen separator membrane configured to filter hydrogen gas produced in the fuel cartridge. 30. The hydrogen fuel cell system of claim 1, wherein the fuel cartridge does not store hydrogen gas when disconnected from the fuel cell. 31. The hydrogen fuel cell system of claim 30, wherein the fuel cartridge is waterproof and configured so as to not generate hydrogen when the fuel cartridge is immersed in water. 32. The hydrogen fuel cell system of claim 1, wherein the fuel cartridge includes a top cap operably connected to a canister body to provide reusable fuel cartridge components. 33. The hydrogen fuel cell system of claim 1, wherein the fuel cartridge and the water feed tray are further configured to provide a controlled flow of hydrogen to the fuel cell by the configuration of a check valve in the water feed tray, a spring assembly in the water feed tray, and a cartridge valve in the fuel cartridge. 34. The hydrogen fuel cell system of claim 1, wherein the fuel cartridge includes a roll-over crimp to join a metal canister and a plastic cap.
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