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Fuel Cell patents



      
           
This page is updated frequently with new Fuel Cell-related patent applications. Subscribe to the Fuel Cell RSS feed to automatically get the update: related Fuel RSS feeds. RSS updates for this page: Fuel Cell RSS RSS


Fuel cell separator with gasket and method for manufacturing the same

Fuel cell separator with gasket and method for manufacturing the same

Fuel cell components and systems having carbon-containing electrically-conductive hollow fibers

Fuel cell components and systems having carbon-containing electrically-conductive hollow fibers

Fuel cell components and systems having carbon-containing electrically-conductive hollow fibers

Molded article of polymer electrolyte composition and solid polymer type fuel cell using same

Date/App# patent app List of recent Fuel Cell-related patents
11/13/14
20140336855
 Method of controlling operation mode of fuel cell in fuel cell vehicle patent thumbnailMethod of controlling operation mode of fuel cell in fuel cell vehicle
Disclosed is a method of controlling an operation mode of a fuel cell in a fuel cell vehicle wherein, (a) when a driver-demanded torque is lower than a first torque, and a current state of charge (soc) in a battery is higher than a first soc, the operation mode of the fuel cell is converted to a stop mode, and (b) when the driver-demanded torque is higher than a second torque, or the current soc in the battery is lower than a second soc, the operation mode is converted to a start mode, wherein the second torque is higher than the first torque and the second soc is lower than the first soc.. .
11/13/14
20140335444
 Fuel cell separator with gasket and method for manufacturing the same patent thumbnailFuel cell separator with gasket and method for manufacturing the same
The present invention provides a fuel cell separator with a gasket manufactured by integrally forming a gasket on one side of a separator; independently injection molding a frame gasket on a frame such that a first airtight portion covers the entire surface of the frame to maintain the shape of the frame gasket and a second airtight portion projects upward and downward from both ends of the first airtight portion; and bringing the first airtight portion of the frame gasket into contact with the other side of the separator with the gasket formed on one side thereof. To create a fuel cell stack in certain embodiments, the invention stacks the second airtight portion of the frame gasket on another second airtight portion of an adjacent unit cell with a membrane-electrode assembly interposed therebetween..
11/13/14
20140335443
 Fuel cell components and systems having carbon-containing electrically-conductive hollow fibers patent thumbnailFuel cell components and systems having carbon-containing electrically-conductive hollow fibers
A method, according to one embodiment, includes acquiring a structure having an ionically-conductive, electrically-resistive electrolyte/separator layer covering an inner or outer surface of a carbon-containing electrically-conductive hollow fiber and a catalyst along one side thereof, adding an anode that extends along at least part of a length of the structure, and adding a cathode that extends along at least part of the length of the structure, the cathode being on an opposite side of the hollow fiber as the anode.. .
11/13/14
20140335440
 Molded article of polymer electrolyte composition and solid polymer type fuel cell using same patent thumbnailMolded article of polymer electrolyte composition and solid polymer type fuel cell using same
To provide a formed article of polymer electrolyte composition which exhibits excellent proton conductivity even under low-humidification conditions and under low-temperature conditions, which is excellent in chemical stability, mechanical strength, fuel shutoff properties, and which can achieve high output, high energy density, and excellent long-term durability when used in a polymer electrolyte fuel cell; and also to provide a polymer electrolyte fuel cell using thereof. The formed article of polymer electrolyte composition includes: a block copolymer having one or more of each of a hydrophilic segment (a1) containing an ionic group and a hydrophobic segment (a2) not containing an ionic group; and an additive, wherein the formed article forms co-continuous or lamellar phase separation structure, and the additive is hydrophilic..
11/13/14
20140335439
 Polymer ion exchange membrane and method of preparing same patent thumbnailPolymer ion exchange membrane and method of preparing same
Disclosed are a polymer ion exchange membrane having a self-hydration capability at a high temperature under low humidity, a method of preparing the polymer ion exchange membrane, and a polymer electrolyte fuel cell system including the polymer ion exchange membrane. The polymer electrolyte membrane includes a hydrocarbon-based proton conductive polymercoating layer, and has a nano-crack on the hydrophobic surface and thus may secure ion conductivity and self-hydration capability under low humidity and remarkably improve electrochemical performance of an electrolyte..
11/13/14
20140335438
 Membrane electrode assembly and fuel cell using the same patent thumbnailMembrane electrode assembly and fuel cell using the same
A membrane electrode assembly includes a proton exchange membrane having two surfaces, and two electrodes separately located on the two surfaces. At least one of the two electrodes comprises a carbon nanotube composite structure, the carbon nanotube composite structure includes a carbon nanotube structure and a catalyst material dispersed in the carbon nanotube structure.
11/13/14
20140335437
 Electrode catalyst for fuel cell, electrode for fuel cell including the electrode catalyst, and membrane electrode assembly and fuel cell including the same patent thumbnailElectrode catalyst for fuel cell, electrode for fuel cell including the electrode catalyst, and membrane electrode assembly and fuel cell including the same
An electrode catalyst for a fuel cell, an electrode, a fuel cell, and a membrane electrode assembly (mea), the electrode catalyst including a carbonaceous support, and a catalyst metal loaded on the carbonaceous support, wherein the carbonaceous support includes a functional group bound on a surface thereof, the functional group being represented by one of formula 1 or formula 2, below,. .
11/13/14
20140335436
 Fuel cell patent thumbnailFuel cell
A fuel cell has a membrane electrode assembly including an electrolyte membrane, catalyst layers disposed on both sides of the electrolyte membrane, and three or more layers of porous bodies disposed on a front surface side of the catalyst layer, a frame body surrounding an outer periphery of the electrolyte membrane, and a separator that partitions and forms a gas passage between the membrane electrode assembly and the separator. Extended portions are provided at an outer edge of a first porous body adjacent to the separator among the three layers of the porous bodies, and at an outer edge of a second porous body adjacent to the first porous body, respectively, so as to extend to be superimposed over the frame body.
11/13/14
20140335435
 Fuel cell system, and control method for fuel cell system patent thumbnailFuel cell system, and control method for fuel cell system
A fuel cell system includes: a fuel cell supplied with fuel gas for power generation; a fuel supply flow passage flowing fuel gas, supplied from a fuel supply source, to the fuel cell; a pressure regulating valve regulating a pressure of fuel gas flowing through the fuel supply flow passage; a fuel circulation flow passage returning gas, emitted from the fuel cell, to the fuel supply flow passage; a circulation pump delivering gas in the fuel circulation flow passage to the fuel supply flow passage; an emission valve emitting gas in the fuel circulation flow passage to an outside; and a control device controlling the pressure regulating valve, the circulation pump and the emission valve such that the sum of losses of crossover hydrogen, circulation pump power and purge hydrogen is minimum while a hydrogen stoichiometric ratio required for power generation of the fuel cell is ensured.. .
11/13/14
20140335434
 Fuel cell vehicle patent thumbnailFuel cell vehicle
A fuel cell vehicle is provided which includes an exterior heat exchanger for cooling and the exterior heat exchanger for heating are arranged at a front part of the vehicle, and the exterior heat exchanger for heating is heated by the outside air used to cool the air-cooling type fuel cell stack, an intake duct and an exhaust duct are mounted at the front side and the rear side of the air-cooling type fuel cell stack, respectively, the intake duct and the exterior heat exchanger for cooling are arranged at a front side part of the vehicle so as not to overlap with each other when the vehicle is seen from the front, and the exterior heat exchanger for heating is arranged at the rear of the exhaust duct.. .
11/13/14
20140335433
Fuel cell system and control method of fuel cell system
A fuel cell system includes a fuel cell and a controller that controls a voltage of the fuel cell. The controller sets a target increase amount Δv, based on a target voltage which is a target value of voltage relative to a predetermined electric current of the fuel cell.
11/13/14
20140335432
Systems and methods for estimating fuel cell states
Apparatus, methods, and systems for estimating hydrogen concentration and/or pressure in an anode compartment of a fuel cell stack in a fuel cell vehicle. In some implementations, the estimates are based on a correlation between a transient dip in voltage in response to an anode to cathode bleed event and a concentration of hydrogen in the anode compartment of a fuel cell stack.
11/13/14
20140335431
Fuel cell seal retainer assembly
An exemplary fuel cell manifold seal retainer assembly includes a bracket and a retainer. The bracket is mountable to a manifold of the fuel cell stack.
11/13/14
20140335430
Fuel cell system and operating method therefor
A fuel cell system and method that enables warm-up power generation corresponding to the residual water volume in the fuel cell stack without using auxiliary devices for measuring the residual water volume in the fuel cell stack. A controller computes total generated electrical energy q by integrating of the generated current detected by current sensor during the period from start-up to shutting down of the fuel cell system, and stores the result in total generated electrical energy storage part.
11/13/14
20140335425
Proton/cation transfer polymer
A polymer that provides for effective proton/cation transfer within, through, across the polymer. The polymer may be used in an electrochemical sensor and may include a redox active species and a facilitator of proton transfer that may provide for the “shuttling”/transfer of a proton through the polymer.
11/13/14
20140335380
Self-recharging battery apparatus and method of operation
A self-recharging battery apparatus including a magnesium-air fuel cell component having external battery connector elements; a rechargeable battery; and a water-tight inner sleeve configured to and receiving the rechargeable battery and the inner sleeve being fixedly connected to an inner side of the magnesium-air fuel cell component and the rechargeable battery being electrically connected to the magnesium-air fuel cell component external battery connector elements.. .
11/13/14
20140333316
Fuel cell system
A fuel cell system comprises: a fuel cell formed of a plurality of cells stacked therein, each cell generating electric power through an electrochemical reaction between a fuel gas and an oxidant gas; a cell monitor capable of detecting a group voltage for each group wherein each group is composed of two or more cells; and an estimation device that estimates a minimum cell voltage. The estimation device comprises a maximum cell voltage estimation part that estimates a maximum cell voltage, and the estimation device estimates the minimum cell voltage by using an estimated value of the maximum cell voltage and a minimum group-average voltage, where an average voltage of a group having the lowest voltage value among the group voltages is defined as the minimum group-average voltage..
11/13/14
20140332145
Methods and devices for printing seals for fuel cell stacks
Various embodiments include a fuel cell stack seal application method including the step of applying a seal paste to a fuel cell, placing the fuel cell in a fuel cell stack, and thermally treating the fuel cell stack to set the seal paste into a seal. Further embodiments include applying the seal paste to an interconnect using stencil printing..
11/06/14
20140330673
Remote authentication of replaceable fuel cartridge
A device is disclosed, having a programmable processor programmed to cause a fuel cell authentication device to obtain a first unique identifier element (uie) associated with a first hydrogen fuel cartridge and host information associated with a host device configured to use fuel from the first fuel cartridge. Said device may determine that the first fuel cartridge is authorized for use with the host device, based on data exchanged via a data communication network with a remote cartridge tracking system, the first uie, and the host information.
11/06/14
20140329671
Method of preparing alloy catalyst for fuel cells and alloy catalyst for fuel cells prepared by the same
Disclosed herein is a method of preparing an alloy catalyst for fuel cells, which is suitable for mass production and can reduce manufacturing costs. The method includes vaporizing at least two catalyst precursors in separate vaporizers; supplying the at least two vaporized catalyst precursors to a reactor while preventing contact therebetween; and synthesizing an alloy catalyst in the reactor.
11/06/14
20140329171
Conductive interconnected porous film and method of production of same
A new conductive interconnected porous film, useful as a material for a gas diffusion layer which is used in a solid polymer type fuel cell, which satisfies the requirements of a good conductivity, good gas permeability, surface smoothness, corrosion resistance, and low impurities and which is strong in bending and excellent in handling to an extent not obtainable by existing sheet materials of carbon fiber, that is, a conductive interconnected porous film wherein a resin base material part of a thermoplastic resin has a porous interconnected cell structure which is formed by removal of removable particulate matter and has cells of sizes of 10 μm to 50 μm and wherein the resin base material part is comprised of different particle size particles of first carbon particles of large size carbon particles of a diameter of 5 μm or more and second carbon particles of micro size carbon particles of a diameter of 10 nm or more mixed together, and a method of production of the same.. .
11/06/14
20140329170
Perimeter coupling for planar fuel cell and related methods
The invention relates to methods and articles for coupling a fuel cell layer to a second structure. The fuel cell layer includes a superior fuel cell surface, an inferior fuel cell surface, and a perimeter fuel cell surface.
11/06/14
20140329169
Sulfonated polyethersulfone copolymer containing hydroxyl groups and preparation method thereof, polymer electrolyte membrane for fuel cells and membrane electrode assembly comprising the same
Provided are a hydroxyl group-containing sulfonated polyethersulfone copolymer, a method for preparing the same, a polymer electrolyte membrane for fuel cell, and a membrane electrode assembly including the same. More particularly, provided are a hydroxyl group-containing sulfonated polyethersulfone electrolyte membrane and a membrane electrode assembly including the same, which are applied to a fuel cell to provide significantly higher ion conductivity as compared to the sulfonated polymer electrolyte membranes according to the related art.
11/06/14
20140329168
Hybrid bipolar plate assembly for fuel cells
Hybrid bipolar plate assemblies comprising a metal subassembly and a carbonaceous flow field insert can be used to provide for greater current densities from smaller volume fuel cell stacks. In particular, such hybrid bipolar plate assemblies allow for the combination of preferred oxidant channel structures, which can be formed in carbonaceous oxidant flow field inserts, with preferred smaller bipolar plate assembly thicknesses, which are possible with the use of metal plate subassemblies..
11/06/14
20140329167
Fuel cell gas diffusion layer and method of manufacturing same
A fuel cell gas diffusion layer includes a porous member containing electrically-conductive particles and polymeric resin as major components, and a plurality of holes extending from a main surface of the fuel cell gas diffusion layer are formed.. .
11/06/14
20140329166
Method of controlling thickness of form-in-place sealing for pem fuel cell stacks
A sealed assembly is made using sealant including a deformable spacer to control thickness without adversely impacting elasticity and sealing force. Deformable spacers (e.g., elastomer, polyolefin, etc.) are mixed with an elastomeric precursor material and dispensed onto an assembly component, such as a fuel cell bipolar plate, and the remaining component(s) are assembled by pressing against the deformable spacer to ensure a defined seal thickness.
11/06/14
20140329165
Fuel cell electrodes with conduction networks
A fuel cell electrode layer may include a catalyst, an electronic conductor, and an ionic conductor. Within the electrode layer are a plurality of electronic conductor rich networks and a plurality of ionic conductor rich networks that are interspersed with the electronic conductor rich networks.
11/06/14
20140329164
Gas diffusion medium for fuel cell, membrane electrode assembly, and fuel cell
A gas diffusion medium for a fuel cell includes a microporous region [a], an electrode base material, and a microporous region [b] arranged in the order mentioned, wherein the microporous region [a] has an areal ratio of 5 to 70%, and the microporous region [b] has an areal ratio of 80 to 100%.. .
11/06/14
20140329163
Membrane electrode assembly and fuel cell using the same
A membrane electrode assembly includes a proton exchange membrane, a first electrode and a second electrode. The proton exchange membrane has two opposite surfaces, a first surface and a second surface.
11/06/14
20140329162
Membrane electrode assembly for fuel cell
A membrane electrode assembly for a fuel cell is provided that includes a membrane, electrodes on both sides of the membrane, respectively, and sub-gaskets bonded to the edges of the electrodes, respectively. In particular, the sub-gasket may be bonded to the membrane at a predetermined distance from the edge of the electrode..
11/06/14
20140329160
System and method for thermal priority operation of a fuel cell power plant
A thermal priority fuel cell power plant includes a cell stack assembly for generating an electrical power output. The cell stack assembly includes an anode, a cathode, and a waste heat recovery loop.
11/06/14
20140329159
Solid-oxide fuel cell system, and start-up control method therefor
In the sofc system, the fuel gas flow rate at the time of the start of start-up is set to the maximum fuel gas flow rate that is less than or equal to 1.3 times the maximum fuel gas flow rate fgmax at the time of the rated power generation, the fuel gas flow rate f2 until the temperature t of the fuel cell stack reaches t1, at which the reduction of the oxidized ni in the fuel cell stack is performed, is set to be less than or equal to f1, and thereafter, until the start of the power generation, fuel gas flow rate f3 is further reduced from f2, and the average fuel gas flow rate fave is set to be equal to or greater than 0.6 times the average fuel gas flow rate fgave at the time of the rated power generation.. .
11/06/14
20140329158
Secondary battery type fuel cell system
A secondary battery type fuel cell system is provided with: a fuel cell unit which generates oxidation gas during power generation and has a fuel electrode, an oxidant electrode, and an electrolyte sandwiched between the fuel electrode and the oxidant electrode; and a fuel generation unit which generates fuel in the form of reducing gas by means of the chemical reaction with the oxidation gas and which can generate and regenerate the oxidation gas by means of the reverse reaction of the aforementioned chemical reaction. In a closed or hermetically-sealed space containing the fuel electrode and the fuel generation unit, the oxidation gas or the reducing gas is forcibly circulated between the fuel cell unit and the fuel generation unit, and the flow direction of the gas flowing along the surface of the fuel electrode is set to be the same during the power generation operation and the charging operation..
11/06/14
20140329157
Method of operating fuel cell with high power and high power fuel cell system
A fuel cell is operated with high power such that which a humidified gas and a dry gas are selectively supplied as oxidant to a cathode of the fuel cell. This method includes (s1) supplying a humidified gas while a power is constantly maintained or until the power begins to decrease; (s2) after supplying the humidified gas, supplying a dry gas to obtain a greater power than an average power of the step (s1); and (s3) after obtaining a predetermined power in the step (s2), repeatedly supplying a humidified gas in case the power decreases and supplying a dry gas in case the power decreases again afterwards, thereby increasing the power such that the predetermined power is maintained.
11/06/14
20140329156
Heated ejector assembly for a fuel cell
A fuel cell system includes a fuel cell stack, an ejector in fluid communication with the fuel cell stack and having a converging-diverging (cd) nozzle with a hydrogen feed nozzle and a recirculation conduit upstream of a throat of the cd nozzle, and a thermal source configured to heat the ejector. A hydrogen supply assembly for a fuel cell system includes an ejector having a converging-diverging (cd) nozzle and a mixing chamber upstream of the cd nozzle.
11/06/14
20140329131
Heat resisting separator having ultrafine fibrous layer and secondary battery having the same
A polyolefin separator having an heat-resistant ultrafine fibrous layer and a secondary battery using the same, in which the separator has a shutdown function, low thermal contraction characteristics, thermal endurance, excellent ionic conductivity, excellent cycling characteristics at the time of battery construction, and excellent adhesion with an electrode. The present invention adopts a very simple and easy process to form an ultrafine fibrous layer through an electrospinning process, and at the same time, to remove solvent and to form pores.
11/06/14
20140326611
Membranes and catalysts for fuel cells, gas separation cells, electrolyzers and solar hydrogen applications
Oxygen reduction catalysts for fuel cells are provided. The catalyst can be based on platinum-coated palladium nanotubes, or multiple twinned, crystalline silver nanowires.
11/06/14
20140325991
Aircraft having an engine, a fuel tank, and a fuel cell
An aircraft includes a propulsion unit with a compressor and a bleed air device for providing bleed air from the propulsion unit, a fuel tank for a fuel, at least one fuel cell, a reactor for reforming fuel from the fuel tank to a hydrogen-containing fuel gas, and at least one feed unit with a bleed air inlet, a fuel inlet, an oxidizing agent outlet, and a fuel outlet. The feed unit can selectively and not simultaneously feed an oxidizing agent by means of the oxidizing agent outlet or fuel by means of the fuel outlet into the reactor.
10/30/14
20140322633
Solid oxide fuel cell comprising reaction preventing layer and method for manufacturing same
The present invention relates to a solid oxide fuel cell which can improve the overall performance of the cell and obtain durability and reliability, and the invention provides a solid oxide fuel cell comprising a reaction preventing layer and a method for manufacturing the same, wherein an anode, an electrolyte, and a cathode are comprised, and a material which is formed between the electrolyte and the anode comprises 35-90 mol % of gadolinia-doped ceria (gdc) and 10-65 mol % metal oxide.. .
10/30/14
20140322631
Precious metal oxide catalyst for water electrolysis
The invention is directed to precious metal oxide catalysts, particularly to iridium oxide based catalysts for use as anode catalysts in pem water electrolysis and other applications. The composite catalyst materials comprise iridium oxide (iro2) and optionally ruthenium oxide (ruo2) in combination with an inorganic oxide (for example tio2, al2o3, zro2 and mixtures thereof).
10/30/14
20140322630
Method for enhancing current throughput in an electrochemical system
An electrochemical system with reduced limiting-current behavior is disclosed. The electrochemical system is useful for fuel cells and bio-sensors.
10/30/14
20140322629
Nitrate reduction method, nitrate reduction catalyst, nitrate reduction electrode, fuel cell, and water treatment apparatus
A nitrate reduction method in accordance with the present invention reduces at least one type of nitrates and nitrites in a presence of a carbon-based material containing at least one selected from a group consisting of graphite, graphene, and amorphous carbon.. .
10/30/14
20140322628
Polymer electrolyte membrane, membrane electrode assembly using same and polymer electrolyte fuel cell
The polymer electrolyte membrane includes a block copolymer containing each one or more of: a segment (a1) containing anionic group; and a segment (a2) not containing an ionic group. The polymer electrolyte membrane forms a co-continuous (m1) or lamellar phase-separated (m2) structure, and gives a crystallization heat quantity of 0.1 j/g or larger determined by differential scanning calorimetry, or a degree of crystallinity of 0.5% or larger determined by wide-angle x-ray diffractometry..
10/30/14
20140322627
Fuel cell
A power generation unit of a fuel cell includes a first metal separator, a first membrane electrode assembly, a second metal separator, a second membrane electrode assembly, and a third metal separator. The first metal separator includes first ridges for positioning the first membrane electrode assembly.
10/30/14
20140322626
Fuel cell stack
In a fuel cell stack, fuel cells are stacked together in a stacking direction, and the stacked fuel cells are placed in a casing. An upper side panel of the casing includes an outer plate and an inner plate which are joined together.
10/30/14
20140322625
Systems and methods to monitor and control a flow of air within a fuel cell stack
Disclosed herein are systems and methods for monitoring and controlling a flow of air within a fuel cell stack. The fuel cell stack may include an air supply path to conduct a flow of air through the fuel cell.
10/30/14
20140322624
Fuel cell system and method for operating the same
A fuel cell system includes a stack; an antifreezing heater; a surplus power heater; a switching unit; and an electric power conversion unit. Where a first supply path denotes a power supply path from a system power supply to the antifreezing heater, a second supply path denotes a power supply path from the stack to the antifreezing heater, and a third supply path denotes a power supply path from the stack to the surplus power heater, when a power failure happens, the switching unit disconnects the first supply path, disconnects the second supply path and connects the third supply path until an output electric power of the stack is converted to the power necessary for operating the antifreezing heater, and connects the second supply path and disconnects the third supply path after the output power of the stack is converted to the power necessary for operating the antifreezing heater..
10/30/14
20140322623
Fuel cell system and control method of fuel cell system
Provided is a fuel cell system capable of achieving both of improving purge efficiency and preventing deterioration of the fuel cell, and a control method of the fuel cell system. The fuel cell system includes a circulation rate adjusting unit that adjusts a circulation rate of a circulation gas, a first startup purge unit that performs the first startup purge by opening a purge valve in a state where the circulation rate of the circulation gas is increased to be a mixing promotion rate capable of promoting mixing of the fuel gas with the circulation gas at system startup of the fuel cell system, and a second startup purge unit that performs the second startup purge by opening the purge valve in a state where the gas circulation rate is reduced to be less than the mixing promotion rate after the first startup purge..
10/30/14
20140322621
Fuel cell system blower configuration
An exemplary fuel cell system includes a cell stack assembly having a plurality of cathode components and a plurality of anode components. A first reactant blower has an outlet situated to provide a first reactant to the cathode components.
10/30/14
20140322620
Compact safety type fuel cell system
This invention provides a compact safety type fuel cell system, including an enclosure and the electronic control system, electric isolation board, gas isolation board, fuel cell stack system, hydrogen delivery device installed in the enclosure. The electric isolation board divides the inside of the enclosure into electronic control system space and fuel cell stack working space, the gas isolation board divides the fuel cell stack working space into hydrogen side space and air inlet space, the air inlet space and the air inlet port of the fuel cell stack system are connected, the fuel cell stack system enclosure connects with the gas isolation board hermetically.
10/30/14
20140322619
Fuel cell system
According to an embodiment, a fuel cell system includes an anode supply circuit is configured for delivering an anode source fluid to anode components. The anode supply circuit includes a primary supply path, a desulfurizer situated along the primary supply path, and a pre-reformer downstream of the desulfurizer and upstream of the anode components.
10/30/14
20140322617
Printed biofuel cells
Methods, systems, and devices are disclosed for implementing a biofuel cell device for extracting energy from a biofuel. In one aspect, a biofuel cell device includes a substrate, an anode including a catalyst to facilitate the conversion of a fuel in a biological fluid in an oxidative process that releases electrons captured at the anode, thereby extracting energy from the fuel substance, a cathode configured on the substrate adjacent to the anode and separated from the anode by a spacing region, and a load electrically coupled to the anode and cathode via electrical interconnects to obtain the extracted energy as electrical energy..


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This listing is a sample listing of patent applications related to Fuel Cell for is only meant as a recent sample of applications filed, not a comprehensive history. There may be associated servicemarks and trademarks related to these patents. Please check with patent attorney if you need further assistance or plan to use for business purposes. This patent data is also published to the public by the USPTO and available for free on their website. Note that there may be alternative spellings for Fuel Cell with additional patents listed. Browse our RSS directory or Search for other possible listings.
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