About 54 results
https://drivepatents.com/patents/1087398 · 6 May 2004
A fuel cell (10, 10', 10") includes a fuel cell stack (12, 12', 12", 40, 40', 42) and a heat exchanger (14, 14', 24, 24') in fluid and thermal communication with the fuel cell stack (12, 12', 12", 40, 40', 42). The heat exchanger (14, 14', 24, 24') is adja...
https://drivepatents.com/patents/1087429 · 6 May 2004
A protective case (21, 21') is disclosed that has a preventative agent (24, 32, 64, 66, 68,70) disposed therein for safely housing an object or material (26, 36) with an adverse characteristic such as high heat or volatility. The preventative agent (24, 32...
https://drivepatents.com/patents/1087389 · 6 May 2004
A method of making a fuel cell (10) includes the following steps. A pattern (12) is placed on a base surface (14) to create a predetermined topography on the base surface (14). An anode layer (16), a cathode layer (18) and/or an electrolyte layer (20) is/a...
https://drivepatents.com/patents/1087656 · 28 Apr 2004
In one of many possible embodiments, the present invention provides a fuel cell system including a fuel cell (40) having a plurality of segmented anodes (20), each segmented anode (20) measuring a minimal length sufficient to substantially consume or catal...
https://drivepatents.com/patents/1088092 · 14 Apr 2004
A method of increasing the surface area of a fuel cell catalyst (103) by forming free standing elements (106) of a catalytic material in a fuel cell electrode.
https://drivepatents.com/patents/1088514 · 31 Mar 2004
A fuel cell (10) has a MEMS fuel-cell structure (80) including an anode (20) , a cathode (30) , and an electrolyte (40), formed on a substrate (50) , a portion of the substrate being removed from beneath the MEMS structure, forming an opening (60) extendin...
https://drivepatents.com/patents/1088732 · 24 Mar 2004
The present invention discloses a method and apparatus for producing high surface area material films and membranes on substrates. In one application, patterns of spikes or bristles (12) are produced on wafers (10) and transferred to films (20), such as co...
https://drivepatents.com/patents/1088890 · 17 Mar 2004
A chemical reactor (32) produces a gas from a continuous flow of aqueous solution of sodium borohydride. A pump (36) controls the flow of the aqueous solution through the chemical reactor, to control production rate of the hydrogen gas. An independent clai...
https://drivepatents.com/patents/1089049 · 10 Mar 2004
A hydrogen generating apparatus (42) includes a chemical container (144), a tubular member (146) disposed at least partially in the chemical container (144), the tubular member (146) having an inlet (148) and an outlet (150), and a catalyst (156) disposed ...
https://drivepatents.com/patents/1089048 · 10 Mar 2004
A hydrogen generating apparatus (42) includes a chemical reaction chamber (60), a chemical solution reservoir (56), an unpowered pressure-producing member (58) for moving a chemical solution from the chemical solution reservoir (56) to the chemical reactio...