초록

A device in accordance with a present invention includes at least one of a stainless steel anode and transition metal oxide cathode.

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1. A power generator, comprising:borohydride fuel; and a stainless steel anode associated with the borohydride fuel. 2. A power generator as claimed in claim 1, wherein the borohydride fuel is stored in a porous pad.3. A power generator as claimed in claim 1, wherein the borohydride fuel is stored i

1. A power generator, comprising:borohydride fuel; and a stainless steel anode associated with the borohydride fuel. 2. A power generator as claimed in claim 1, wherein the borohydride fuel is stored in a porous pad.3. A power generator as claimed in claim 1, wherein the borohydride fuel is stored in a reservoir.4. A power generator as claimed in claim 1, wherein the stainless steel anode includes at least one porous element.5. A power generator as claimed in claim 1, further comprising:an ion exchange membrane. 6. A power generator, comprising:borohydride fuel; and a transition metal oxide cathode. 7. A power generator as claimed in claim 6, wherein the borohydride fuel is stored in a porous pad.8. A power generator as claimed in claim 6, wherein the borohydride fuel is stored in a reservoir.9. A power generator as claimed in claim 6, wherein the transition metal oxide cathode comprises at least one porous element.10. A power generator as claimed in claim 6, further comprising:an ion exchange membrane. 11. A power generator, comprising:borohydride fuel; a stainless steel anode associated with the borohydride fuel; and a transition metal oxide cathode. 12. A power generator as claimed in claim 11, wherein the borohydride fuel is stored in a porous pad.13. A power generator as claimed in claim 11, wherein the borohydride fuel is stored in a reservoir.14. A power generator as claimed in claim 11, wherein the stainless steel anode includes at least one porous element.15. A power generator as claimed in claim 11, further comprising:an ion exchange membrane between the stainless steel anode and the transition metal oxide cathode. 16. A power generator as claimed in claim 11, wherein the transition metal oxide cathode comprises at least one porous element.17. A power generator as claimed in claim 11, wherein the transition metal oxide cathode comprises a silver oxide cathode.18. A power generator as claimed in claim 11, wherein the power density of the power generator is greater than 300 Watt-hours per kilogram of the borohydride fuel.19. A borohydride concentration indicator, comprising:a stainless steel anode; a cathode; and a display, operably connected to the stainless steel anode and to the cathode, adapted to provide a visible indication of the borohydride concentration. 20. A borohydride concentration indicator as claimed in claim 19, wherein the display is adapted to provide a visible indication of the borohydride concentration based on the voltage bias between the stainless steel anode and the cathode.21. A borohydride concentration indicator as claimed in claim 19, wherein the display comprises a LCD.22. A borohydride concentration indicator as claimed in claim 19, wherein the stainless steel anode includes at least one porous element.23. A borohydride concentration indicator, comprising:an anode; a transition metal oxide cathode; and a display, operably connected to the anode and to the transition metal oxide cathode, adapted to provide a visible indication of the borohydride concentration. 24. A borohydride concentration indicator as claimed in claim 23, wherein the display is adapted to provide a visible indication of the borohydride concentration based on the voltage bias between the anode and the transition metal oxide cathode.25. A borohydride concentration indicator as claimed in claim 23, wherein the display comprises a LCD.26. A borohydride concentration indicator as claimed in claim 23, wherein the transition metal oxide cathode comprises at least one porous element.27. A borohydride concentration indicator as claimed in claim 23, wherein the transition metal oxide cathode comprises a silver oxide cathode.28. A borohydride concentration indicator, comprising:a stainless steel anode; a transition metal oxide cathode; and display means, operably connected to the stainless steel anode and to the transition metal oxide cathode, for providing a visible indication of the borohydride concentration. 29. An electrochemical device, comprising:a borohydride fuel storage device; an electrochemical cell associated with the borohydride fuel storage device; and a borohydride concentration indicator including an anode associated with the borohydride fuel storage device, a transition metal oxide cathode, and a display, operably connected to the anode and to the transition metal oxide cathode, adapted to provide a visible indication of the borohydride concentration of borohydride fuel in the borohydride fuel storage device. 30. An electrochemical device as claimed in claim 29, wherein the anode is located within the borohydride fuel storage device.31. An electrochemical device, comprising:a borohydride fuel storage device; an electrochemical cell associated with the borohydride fuel storage device; and a borohydride concentration indicator including a stainless steel anode, a cathode, and a display, operably connected to the stainless steel anode and to the cathode, adapted to provide a visible indication of the borohydride concentration. 32. An electrochemical device as claimed in claim 31, wherein the anode is located within the borohydride fuel storage device.33. A fuel cartridge, comprising:a borohydride fuel storage device; and a borohydride concentration indicator including an anode associated with the borohydride fuel storage device, a transition metal oxide cathode, and a display, operably connected to the anode and to the transition metal oxide cathode, adapted to provide a visible indication of the borohydride concentration of borohydride fuel in the borohydride fuel storage device. 34. A fuel cartridge as claimed in claim 33, wherein the anode is located within the borohydride fuel storage device.35. A fuel cartridge, comprising:a borohydride fuel storage device; and a borohydride concentration indicator including a stainless steel anode, a cathode, and a display, operably connected to the stainless steel anode and to the cathode, adapted to provide a visible indication of the borohydride concentration. 36. A fuel cartridge as claimed in claim 35, wherein the anode is located within the borohydride fuel storage device.37. A device, comprising:a borohydride fuel storage device; an electrochemical cell associated with the borohydride fuel storage device; a power consuming device that is powered by the electrochemical cell; and a borohydride concentration indicator including an anode associated with the borohydride fuel storage device, a transition metal oxide cathode, and a display, operably connected to the anode and to the transition metal oxide cathode, adapted to provide a visible indication of the borohydride concentration of borohydride fuel in the borohydride fuel storage device. 38. A device as claimed in claim 37, wherein the anode is located within the borohydride fuel storage device.39. A device, comprising:a borohydride fuel storage device; an electrochemical cell associated with the borohydride fuel storage device; a power consuming device that is powered by the electrochemical cell; and a borohydride concentration indicator including a stainless steel anode, a cathode, and a display, operably connected to the stainless steel anode and to the cathode, adapted to provide a visible indication of the borohydride concentration. 40. A device as claimed in claim 39, wherein the anode is located within the borohydride fuel storage device.41. A device, comprising:a borohydride fuel storage device; an electrochemical cell including a stainless steel anode operably connected to the borohydride fuel storage device, and a cathode; and a power consuming device that is powered by the electrochemical cell. 42. A device as claimed in claim 41, wherein the stainless steel anode includes at least one porous element.43. A device, comprising:a borohydride fuel storage device; an electrochemical cell including an anode operably connected to the borohydride fuel storage device, and transition metal oxide cathode; and a power consuming device that is powered by the electrochemical cell. 44. A device as claimed in claim 43, wherein the transition metal oxide cathode comprises at least one porous element.45. A power generator, comprising:borohydride fuel; and an anode and cathode arrangement that generates more than 300 Watt-hours per kilogram of the borohydride fuel. 46. A power generator as claimed in claim 45, wherein the anode and cathode arrangement that generates at least 450 Watt-hours per kilogram of the borohydride fuel.47. A power generator as claimed in claim 45, wherein the anode and cathode arrangement that generates at least 600 Watt-hours per kilogram of the borohydride fuel.48. A power generator as claimed in claim 45, wherein the anode and cathode arrangement that generates at least 1000 Watt-hours per kilogram of the borohydride fuel.49. A power generator as claimed in claim 45, wherein the anode and cathode arrangement that generates at least 2000 Watt-hours per kilogram of the borohydride fuel.50. A power generator, comprising:borohydride fuel; and generation means for generating more than 300 Watt-hours per kilogram of the borohydride fuel. 51. A power generator as claimed in claim 50, wherein the generation means generates at least 450 Watt-hours per kilogram of the borohydride fuel.52. A power generator as claimed in claim 50, wherein the generation means generates at least 600 Watt-hours per kilogram of the borohydride fuel.53. A power generator as claimed in claim 50, wherein the generation means generates at least 1000 Watt-hours per kilogram of the borohydride fuel.54. A power generator as claimed in claim 50, wherein the generation means generates at least 2000 Watt-hours per kilogram of the borohydride fuel.55. A power generator as claimed in claim 1, wherein the stainless steel anode includes a porous stainless steel current collector, a support layer and a catalyst layer between the porous stainless steel current collector and the support layer.56. A device as claimed in claim 41, wherein the stainless steel anode includes a porous stainless steel current collector, a support layer and a catalyst layer between the porous stainless steel current collector and the support layer.