US Patent No: RE39556
Number of patents in Portfolio can not be more than 2000
Fuel cell and method for controlling same
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Apr 10, 2007
Issued date -
Oct 19, 2001
filing date -
10/014,033
serial no -
In Force
status
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Abstract
The present invention relates to an improved fuel cell and method of controlling same having an anode and a cathode which produces an electrical current having a given voltage and current output and which includes a controller electrically coupled with the fuel cell and which shunts the electrical current between the anode and the cathode of the fuel cell. The invention also discloses a method for controlling the fuel cell having an anode, a cathode and a given voltage and current output and which include determining the voltage and current output of the fuel cell; and shunting the electrical current between the anode and cathode of the fuel cell under first and second operation parameters.
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First Claim
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International Classification(s)
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Cited Art
| Patent Info | (Count) | # Cites | Year |
|---|---|---|---|
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| 4,276,355 Fuel cell system configurations | 45 | 1980 | |
| 4,562,124 Air electrode material for high temperature electrochemical cells | 70 | 1985 | |
| 4,598,028 High strength porous support tubes for high temperature solid electrolyte electrochemical cells | 26 | 1985 | |
| 4,702,971 Sulfur tolerant composite cermet electrodes for solid oxide electrochemical cells | 54 | 1986 | |
| 4,767,518 Cermet electrode | 37 | 1986 | |
| 4,728,584 Fuel cell generator containing self-supporting high gas flow solid oxide electrolyte fuel cells | 64 | 1986 | |
| 4,847,172 Low resistance fuel electrodes | 24 | 1988 | |
| 5,035,962 Layered method of electrode for solid oxide electrochemical cells | 55 | 1990 | |
| 5,106,706 Oxide modified air electrode surface for high temperature electrochemical cells | 42 | 1990 | |
| 5,200,279 Solid oxide fuel cell generator | 23 | 1991 | |
| 5,273,838 Double interconnection fuel cell array | 22 | 1992 | |
| 5,306,574 Method of low temperature operation of an electrochemical cell array | 16 | 1992 | |
| 5,342,704 Method of making an air electrode material having controlled sinterability | 31 | 1993 | |
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| 5,234,722 Solid electrolyte film, solid oxide fuel cell comprising such a solid electrolyte film, and processes for producing such film and solid oxide fuel cell | 26 | 1990 | |
| 5,176,967 Solid oxide fuel cells | 11 | 1991 | |
| 5,188,910 Solid oxide fuel cells | 17 | 1991 | |
| 5,114,803 Solid oxide fuel cell and porous electrode for use in the same | 31 | 1991 | |
| 5,266,419 Method of producing an air electrode material for solid electrolyte type fuel cells | 11 | 1991 | |
| 5,312,700 Solid oxide fuel cell and method for producing the same | 19 | 1992 | |
| 5,308,712 Air electrode and solid electrolyte fuel cell having the same | 23 | 1992 | |
| 5,358,735 Method for manufacturing solid oxide film and method for manufacturing solid oxide fuel cell using the solid oxide film | 25 | 1992 | |
| 5,292,599 Cell units for solid oxide fuel cells and power generators using such cell units | 17 | 1992 | |
| 5,281,490 Process for producing solid oxide fuel cells | 14 | 1993 | |
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| 4,476,198 Solid oxide fuel cell having monolithic core | 64 | 1983 | |
| 4,804,592 Composite electrode for use in electrochemical cells | 71 | 1987 | |
| 4,876,115 Electrode assembly for use in a solid polymer electrolyte fuel cell | 157 | 1988 | |
| 4,943,494 Solid oxide fuel cell matrix and modules | 39 | 1988 | |
| 5,154,987 Highly conductive electrolyte composites containing glass and ceramic, and method of manufacture | 9 | 1990 | |
| 5,213,911 Solid-oxide fuel cell electrolyte | 17 | 1991 | |
| 5,232,794 Ionic conductors for solid oxide fuel cells | 30 | 1991 | |
| 5,248,566 Fuel cell system for transportation applications | 119 | 1991 | |
| 5,330,859 Solid oxide fuel cell with single material for electrodes and interconnect | 15 | 1992 | |
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| 4,849,253 Method of making an electrochemical cell electrode | 21 | 1987 | |
| 4,769,297 Solid polymer electrolyte fuel cell stack water management system | 123 | 1987 | |
| 4,824,741 Solid polymer electrolyte fuel cell system with porous plate evaporative cooling | 33 | 1988 | |
| 4,826,742 Water and heat management in solid polymer fuel cell stack | 55 | 1988 | |
| 4,994,331 Fuel cell evaporative cooling using fuel as a carrier gas | 89 | 1989 | |
| 5,045,414 Reactant gas composition for fuel cell potential control | 35 | 1989 | |
| 5,262,249 Internally cooled proton exchange membrane fuel cell device | 33 | 1991 | |
| 5,264,299 Proton exchange membrane fuel cell support plate and an assembly including the same | 91 | 1991 | |
| 5,523,175 Plate-shaped fuel cell component | 40 | 1994 | |
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| 4,661,411 Method for depositing a fluorocarbonsulfonic acid polymer on a support from a solution | 85 | 1986 | |
| 5,164,060 Ion exchange membrane having increased efficiency in proton exchange processes | 25 | 1991 | |
| 5,302,269 Ion exchange membrane/electrode assembly having increased efficiency in proton exchange processes | 17 | 1991 | |
| 5,395,705 Electrochemical cell having an electrode containing a carbon fiber paper coated with catalytic metal particles | 37 | 1993 | |
| 5,654,109 Composite fuel cell membranes | 26 | 1995 | |
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| 5,012,313 Insulated gate semiconductor device | 11 | 1988 | |
| 5,217,822 Solid oxide electrolyte type fuel cell and method for fabricating the same | 22 | 1991 | |
| 5,122,425 Electrolyte/electrode assembly for a solid electrolyte fuel cell | 21 | 1991 | |
| 5,480,736 Fuel cell generation apparatus and a method for starting the same | 1 | 1995 | |
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| 4,478,917 Fuel cell | 63 | 1983 | |
| 4,894,355 Flexible, water-repellent baked carbon plate, its production, fuel cell electrode, fuel cell electrode plate and its production and fuel cell | 29 | 1988 | |
| 5,350,643 Solid polymer electrolyte type fuel cell | 63 | 1993 | |
| 5,500,292 Polymer electrolyte hydrogen-oxygen fuel cell where the polymer electrolyte has a water repellency gradient and a catalytically active component concentration gradiem across oxygen electrode | 33 | 1994 | |
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| 4,816,036 Fabrication of ceramic trilayers for a monolithic solid oxide fuel cell | 29 | 1986 | |
| 5,162,167 Apparatus and method of fabricating a monolithic solid oxide fuel cell | 40 | 1990 | |
| 5,356,730 Monolithic fuel cell having improved interconnect layer | 26 | 1993 | |
| 5,342,705 Monolithic fuel cell having a multilayer interconnect | 25 | 1993 | |
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| 5,149,601 Solid oxide fuel cell | 13 | 1991 | |
| 5,368,951 Solid oxide fuel cell | 29 | 1993 | |
| 5,385,792 Solid oxide fuel cell | 19 | 1993 | |
| 5,354,626 Distributor for a solid oxide fuel cell and manufacturing process thereof | 20 | 1993 | |
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| 5,346,780 Fuel cell and method for producing an electrode used therefor | 50 | 1992 | |
| 5,344,721 Solid polymer electrolyte fuel cell apparatus | 89 | 1993 | |
| 5,364,711 Fuel cell | 80 | 1993 | |
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| 4,185,131 Screen printing method for making an electrochemical cell electrode | 36 | 1978 | |
| 4,287,232 Dry floc method for making an electrochemical cell electrode | 49 | 1978 | |
| 4,818,637 Hydrogen/halogen fuel cell with improved water management system | 32 | 1988 | |
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| 5,169,731 Solid oxide fuel cell and method for manufacturing the same | 22 | 1991 | |
| 5,279,906 Interconnection material for solid oxide fuel cell | 16 | 1992 | |
| 5,372,895 Solid oxide fuel cell and method for manufacturing the same | 14 | 1992 | |
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| 5,290,642 Method of fabricating a monolithic solid oxide fuel cell | 28 | 1990 | |
| 5,256,499 Monolithic solid oxide fuel cells with integral manifolds | 31 | 1990 | |
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| 5,200,278 Integrated fuel cell power generation system | 120 | 1991 | |
| 5,252,410 Lightweight fuel cell membrane electrode assembly with integral reactant flow passages | 110 | 1991 | |
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| 4,795,536 Hydrogen separation and electricity generation using novel three-component membrane | 28 | 1987 | |
| 4,797,185 Hydrogen separation and electricity generation using novel electrolyte membrane | 33 | 1987 | |
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| 5,316,871 Method of making membrane-electrode assemblies for electrochemical cells and assemblies made thereby | 111 | 1993 | |
| 5,763,113 PEM fuel cell monitoring system | 148 | 1996 | |
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| 5,059,497 Composite ion-conductive electrolyte member | 26 | 1990 | |
| 5,266,421 Enhanced membrane-electrode interface | 19 | 1992 | |
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| 5,049,459 Fuel cell | 19 | 1990 | |
| 5,286,579 Fuel cell | 13 | 1991 | |
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| 5,084,144 High utilization supported catalytic metal-containing gas-diffusion electrode, process for making it, and cells utilizing it | 78 | 1990 | |
| 5,132,193 Generation of electricity with fuel cell using alcohol fuel | 53 | 1991 | |
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| 4,851,303 Solid compositions for fuel cells, sensors and catalysts | 52 | 1986 | |
| 4,948,680 Solid compositions for fuel cell electrolytes | 27 | 1988 | |
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| 5,192,627 Closed loop reactant/product management system for electrochemical galvanic energy device | 35 | 1991 | |
| 5,316,869 Closed loop reactant/product management system for electrochemical galvanic energy devices | 49 | 1993 | |
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| 5,356,728 Cross-flow electrochemical reactor cells, cross-flow reactors, and use of cross-flow reactors for oxidation reactions | 59 | 1993 | |
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| 5,187,025 Unitized fuel cell structure | 46 | 1992 | |
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| 4,883,497 Formation of thin walled ceramic solid oxide fuel cells | 53 | 1988 | |
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| 5,449,697 Ion exchange membrane used for a fuel cell | 20 | 1994 | |
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| 5,143,801 Solid oxide fuel cells, and air electrode and electrical interconnection materials therefor | 27 | 1990 | |
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| 5,242,764 Near ambient, unhumidified solid polymer fuel cell | 76 | 1991 | |
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| 4,863,813 Primary source of electrical energy using a mixture of fuel and oxidizer | 32 | 1988 | |
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| 5,186,806 Ceramic distribution members for solid state electrolyte cells and method of producing | 35 | 1990 | |
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| 5,525,436 Proton conducting polymers used as membranes | 170 | 1994 | |
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| 4,927,763 Stabilization of dried bacteria extended in particulate carriers | 24 | 1988 | |
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| 5,336,570 Hydrogen powered electricity generating planar member | 37 | 1993 | |
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| 5,035,961 Internal cross-anchoring and reinforcing of multi-layer conductive oxides | 13 | 1989 | |
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| 5,037,525 Composite electrodes for use in solid electrolyte devices | 36 | 1990 | |
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| 5,350,641 Solid state fuel cell and process for the production thereof | 35 | 1993 | |
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| 4,469,579 Solid polymer electrolytes and electrode bonded with hydrophylic fluorocopolymers | 53 | 1982 | |
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| 5,532,072 Serially arranged fuel cells for large scale power generation | 21 | 1994 | |
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| 5,330,860 Membrane and electrode structure | 121 | 1993 | |
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| 4,192,906 Electrochemical cell operation and system | 36 | 1978 | |
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| 4,826,741 Ion exchange fuel cell assembly with improved water and thermal management | 94 | 1987 | |
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| 5,366,818 Solid polymer fuel cell systems incorporating water removal at the anode | 105 | 1992 | |
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| 5,156,928 Protective apparatus and method for a fuel cell | 29 | 1990 | |
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| 5,624,769 Corrosion resistant PEM fuel cell | 61 | 1995 | |
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| 5,523,177 Membrane-electrode assembly for a direct methanol fuel cell | 80 | 1994 | |
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| 5,272,017 Membrane-electrode assemblies for electrochemical cells | 134 | 1992 | |
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| 5,292,600 Hydrogen power cell | 40 | 1992 | |
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| 5,534,362 Fuel cell stack and method of pressing together the same | 30 | 1995 | |
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| 5,069,987 Solid oxide fuel cell assembly | 32 | 1990 | |
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| 4,755,376 Process for operating a dual compartment anode structure | 9 | 1987 | |
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| 4,927,793 Proton conductive material and method of manufacturing thereof | 15 | 1988 | |
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| 5,234,777 Membrane catalyst layer for fuel cells | 98 | 1991 | |
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| 5,403,461 Solid electrolyte-electrode system for an electrochemical cell | 38 | 1993 | |
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| 5,244,753 Solid electrolyte fuel cell and method for manufacture of same | 16 | 1992 | |
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| 4,724,191 Bonded hydrogen conducting solid electrolytes | 10 | 1986 | |
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| 5,403,675 Sulfonated polymers for solid polymer electrolytes | 73 | 1993 | |
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| 4,500,612 Temperature control device for a fuel cell | 17 | 1982 | |
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| 4,686,158 Solid electrolyte fuel cell and method for preparing it | 30 | 1985 | |
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| 4,985,315 Material for the conduction of protons and method of making the same | 14 | 1989 | |
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| 4,818,735 Tetragonal system tunnel-structured compound AX(GA8MYGA(8+X)-YTI16-X0 56), and cation conductor and heat insulating material composed thereof | 7 | 1987 | |
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| 5,395,704 Solid-oxide fuel cells | 19 | 1992 | |
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| 5,561,202 Polymer electrolyte membrane, and process for the production thereof | 67 | 1995 | |
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| 5,047,298 Closed loop reactant/product management system for electrochemical galvanic energy devices | 28 | 1990 | |
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| 5,407,758 Material for the metal components of high-temperature fuel cell systems | 11 | 1993 | |
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| 5,304,430 Acid-base concentration cell for electric power generation | 13 | 1993 | |
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| 5,547,777 Fuel cell having uniform compressive stress distribution over active area | 69 | 1994 | |
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| 5,358,799 Fuel cell | 23 | 1993 | |
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| 5,223,353 Solid electrolyte, electrochemical device including the same and method of fabricating the solid electrolyte | 49 | 1991 | |
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| 4,670,702 Controller for fuel cell power system | 51 | 1986 | |
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| 4,770,955 Solid electrolyte fuel cell and assembly | 34 | 1987 | |
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| 5,270,131 Module for a fuel cell battery | 28 | 1991 | |
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| 4,797,190 Ionic semiconductor materials and applications thereof | 25 | 1986 | |
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| 5,246,792 Structure of ion exchange membrane | 42 | 1992 | |
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| 5,298,235 Electrochemical devices based on single-component solid oxide bodies | 30 | 1991 | |
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| 5,372,896 Treated solid polymer electrolyte membrane for use in a fuel cell and fuel cell including the treated solid polymer electrolyte membrane | 16 | 1993 | |
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| 5,190,834 Composite membrarnes and electrochemical cells containing them | 40 | 1991 | |
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| 5,130,210 Stabilized zirconia solid electrolyte and process for preparation thereof | 31 | 1990 | |
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| 4,749,632 Sintering aid for lanthanum chromite refractories | 29 | 1986 | |
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| 5,358,620 Allyl polyelectrolytes | 21 | 1993 | |
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| 5,639,516 Method for making a gas diffusion electrode | 9 | 1995 | |
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| 4,463,065 Fuel cell and method for conducting gas-phase oxidation | 21 | 1982 | |
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| 4,647,359 Electrocatalytic gas diffusion electrode employing thin carbon cloth layer | 29 | 1985 | |
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| 5,154,986 Shut-off device for fuel cell system | 44 | 1991 | |
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| 4,219,443 Method of preparing a cathode current collector for use in an electrochemical cell | 22 | 1978 | |
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| 5,290,323 Manufacturing method for solid-electrolyte fuel cell | 19 | 1992 | |
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| 5,338,622 Thermal control apparatus | 34 | 1993 | |
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| 4,510,211 Fuel cell electrolyte supply system and apparatus | 9 | 1983 | |
| 4,629,537 Compact, light-weight, solid-oxide electrochemical converter | 52 | 1985 | |
| 5,219,673 Cell structure for electrochemical devices and method of making same | 53 | 1991 | |
Patent Citation Ranking
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