Abstract

A method for bonding two plates together for a fuel cell, wherein the method comprises applying an adhesive to the surface of at least one of the plates and pressing the two plates together with the adhesive in between. The adhesive contains a mixture in the range of 0.01% to 30% PVDF and a solvent, and optionally a surfactant.

IPC Classes  ?

• H01M 8/0297 - Arrangements for joining electrodes, reservoir layers, heat exchange units or bipolar separators to each other
• C09J 5/06 - Adhesive processes in generalAdhesive processes not provided for elsewhere, e.g. relating to primers involving heating of the applied adhesive
• C09J 127/16 - Homopolymers or copolymers of vinylidene fluoride

Abstract

A fuel cell system (1) comprising a fuel cell (2), a liquid fuel supply (3) for providing liquid fuel, an evaporator (6) for evaporating the liquid fuel to fuel vapor, a reformer (7) for catalytic conversion of the fuel vapor to syngas for the fuel cell and a burner (8) for heating the reformer (7). The burner (8) comprises a catalytic monolith (21) down-stream of a mixing chamber (31) in which air is mixed with evaporated fuel or rest gas prior to entering the monolith (21). The mixing chamber (31) is surrounded by a sleeve (23), which comprises a plurality of openings (29A, 29B) around the mixing chamber (31) for supply of fuel vapor through the openings (29A, 29B) in the startup phase and for supply of rest gas through the openings (29A, 29B) during normal operation. Optionally, a heat exchanger (17) is provided between the burner (8) and the reformer (7) for reducing the temperature of the exhaust gas from the burner (8) before it reaches the reformer (7). This temperature reduction prevents degradation of the reformer (7) by hot exhaust gas during start-up of the fuel cell system (1).

IPC Classes  ?

• H01M 8/04 - Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
• H01M 8/04007 - Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids related to heat exchange
• H01M 8/04302 - Processes for controlling fuel cells or fuel cell systems applied during specific periods applied during start-up
• H01M 8/04014 - Heat exchange using gaseous fluidsHeat exchange by combustion of reactants
• H01M 8/04746 - PressureFlow

Abstract

A method for producing separator plates, in particular bipolar plates, for a fuel cell. The method comprises use of a sacrificial binder.

IPC Classes  ?

• H01M 8/0213 - Gas-impermeable carbon-containing materials
• H01M 8/0221 - Organic resinsOrganic polymers
• H01M 8/0226 - Composites in the form of mixtures
• H01M 8/0263 - CollectorsSeparators, e.g. bipolar separatorsInterconnectors characterised by the configuration of channels, e.g. by the flow field of the reactant or coolant having meandering or serpentine paths

Abstract

A method for bonding two plates together for a fuel cell, wherein the method comprises applying an adhesive to the surface of at least one of the plates and pressing the two plates together with the adhesive in between. The adhesive contains a mixture in the range of 0.01% to 30% PVDF and a solvent, and optionally a surfactant.

IPC Classes  ?

• H01M 8/0297 - Arrangements for joining electrodes, reservoir layers, heat exchange units or bipolar separators to each other
• C09J 127/16 - Homopolymers or copolymers of vinylidene fluoride

Abstract

A production method for a fuel cell separator comprises the steps of providing a powder blend of at least 70% carbon powder, 0.5-5% PTFE, PolyTetraFluoroEthylene, and 0-20% thermoplastic polymer different from PTFE. The powder is sedimented as slurry in a suspension, excess liquid removed from the slurry, and the remaining slurry press-moulded into a shape of a separator plate, for example for use in a fuel cell stack.

IPC Classes  ?

• H01M 8/0213 - Gas-impermeable carbon-containing materials
• H01M 8/0221 - Organic resinsOrganic polymers
• H01M 8/0226 - Composites in the form of mixtures
• H01M 8/0258 - CollectorsSeparators, e.g. bipolar separatorsInterconnectors characterised by the configuration of channels, e.g. by the flow field of the reactant or coolant

Abstract

A fuel cell system (1) comprising a fuel cell (2), a liquid fuel supply (3) for providing liquid fuel, an evaporator (6) for evaporating the liquid fuel to fuel vapor, a reformer (7) for catalytic conversion of the fuel vapor to syngas for the fuel cell and a burner (8) for heating the reformer (7). The burner (8) comprises a catalytic monolith (21) down-stream of a mixing chamber (31) in which air is mixed with evaporated fuel or rest gas prior to entering the monolith (21). The mixing chamber (31) is surrounded by a sleeve (23), which comprises a plurality of openings (29A, 29B) around the mixing chamber (31) for supply of fuel vapor through the openings (29A, 29B) in the startup phase and for supply of rest gas through the openings (29A, 29B) during normal operation. Optionally, a heat exchanger (17) is provided between the burner (8) and the reformer (7) for reducing the temperature of the exhaust gas from the burner (8) before it reaches the reformer (7). This temperature reduction prevents degradation of the reformer (7) by hot exhaust gas during start-up of the fuel cell system (1).

IPC Classes  ?

• H01M 8/0612 - Combination of fuel cells with means for production of reactants or for treatment of residues with means for production of gaseous reactants from carbon-containing material
• H01M 8/0662 - Treatment of gaseous reactants or gaseous residues, e.g. cleaning

Goods & Services

(1) Methanol fuel; Electrical energy, namely fuel cells; fuel, namely diesel, gas, oil, coal, ethanol; industrial oil for batteries. (2) Scientific apparatus and instruments, namely, ultra-high vacuum chambers, probes for testing integrated circuits and distillation columns for laboratory use; Nautical apparatus and instruments, namely rotating lights for signaling; Surveying apparatus, namely, tripods and level measuring machines, leveling rods, levelling staffs and instruments; Photographical apparatus, namely cameras, photograph appliance bag, flashlights for use in photography; Optical apparatus and instruments, namely, switches, amplifiers, transceivers, receivers, scanners, cables, transmitters, readers, couplers, sensors, connectors, emitters, semiconductor amplifiers; Weighing apparatus and instruments, namely, electronic weighing scales for industrial use; Signaling apparatus and instruments, namely, digital signal processors; Automatic control apparatus, namely, industrial automation controls; Electronic control instruments, namely, electric control panels; Data processing equipment, namely, computers, interface cards for data processing equipment in the form of printed circuits, computer chipsets for use in transmitting data to and from a central processing unit, central processing units; computer operating systems, computer operating system software; Data processing apparatus, namely computers, computer servers, computer hardware, computer monitors; Apparatus, instruments and cables for electricity, namely, resistors for distributing or controlling electric current, electrical wires, power wires; Energy regulators, namely, voltage regulators; Energy control devices, namely, electrical controllers for furnaces and energy meters; fuel cells; Fuel regulating apparatus, namely, fuel level sensors, power controllers for fuel dispensers; Telecommunication apparatus, namely, telephone transmitters, fibre-optic cables, switches, satellites, automatic telephone exchanges, switchboards, computer software to enable teleconferencing services, multiplexers; batteries, electric, for vehicles; sensors for use in the control of engines; electrical switch cabinets; battery boxes; Uninterruptable power supply apparatus, namely, electrical power supplies (3) Lighting apparatus, namely, lighting fixtures; Heating units, namely electric heating units for industrial purposes, heating elements, solar heating panels; steam generating installations; Cooling installations, namely, water coolers, cooling evaporators; Drying installations, namely, industrial dish drying machines; Ventilation apparatus, namely, ventilation hoods, air impellers for ventilation; Water conduits installations, namely, water purifiers for industrial purposes; heaters for liquid fuels; heat pumps for energy processing. (1) Retail, wholesale and online shopping services in relation to methanol fuel, electrical energy, fuels, industrial oil for batteries; retail, wholesale and online shopping services in relation to scientific apparatus and instruments, nautical apparatus and instruments, surveying apparatus and instruments, photographical apparatus, optical apparatus and instruments, weighing apparatus and instruments, signaling apparatus and instruments, automatic control apparatus, electronic control instruments, data processing equipment, data processing systems, data processing apparatus, apparatus, instruments and cables for electricity; retail, wholesale and online shopping services in relation to energy regulators, energy control devices, fuel cells, fuel regulating apparatus, telecommunication apparatus, batteries for vehicles, sensors for use in the control of engines, electrical switch cabinets, battery boxes, uninterruptable power supply apparatus; retail, wholesale and online shopping services in relation to lighting apparatus, heating units, steam generating installations, cooling installations, drying installations, ventilation apparatus, water conduits installations, heating apparatus for liquid fuels and heat pumps for energy processing.

Goods & Services

Methanol fuel; electrical energy; fuels; industrial oil for batteries. Scientific apparatus and instruments; nautical apparatus and instruments; surveying apparatus and instruments; photographical apparatus; optical apparatus and instruments; weighing apparatus and instruments; signaling apparatus and instruments; automatic control apparatus; electronic control instruments; data processing equipment; data processing systems; data processing apparatus; apparatus, instruments and cables for electricity; energy regulators; energy control devices; fuel cells; fuel regulating apparatus; telecommunication apparatus; batteries, electric, for vehicles; sensors for use in the control of engines; electrical switch cabinets; battery boxes; uninterruptable power supply apparatus. Lighting apparatus; heating units; steam generating installations; cooling installations; drying installations; ventilation apparatus; water conduits installations; heating apparatus for liquid fuels; heat pumps for energy processing. Retail, wholesale and online shopping services in relation to methanol fuel, electrical energy, fuels, industrial oil for batteries; retail, wholesale and online shopping services in relation to scientific apparatus and instruments, nautical apparatus and instruments, surveying apparatus and instruments, photographical apparatus, optical apparatus and instruments, weighing apparatus and instruments, signaling apparatus and instruments, automatic control apparatus, electronic control instruments, data processing equipment, data processing systems, data processing apparatus, apparatus, instruments and cables for electricity; retail, wholesale and online shopping services in relation to energy regulators, energy control devices, fuel cells, fuel regulating apparatus, telecommunication apparatus, batteries for vehicles, sensors for use in the control of engines, electrical switch cabinets, battery boxes, uninterruptable power supply apparatus; retail, wholesale and online shopping services in relation to lighting apparatus, heating units, steam generating installations, cooling installations, drying installations, ventilation apparatus, water conduits installations, heating apparatus for liquid fuels and heat pumps for energy processing.

Goods & Services

Methanol fuel; electrical energy; fuels, namely, fossil fuels, hydrocarbon fuels, ethanol fuels, gas fuels, liquid fuels, coal based fuels, combustible agglomerated fuels, fuels derived from crude oil; industrial oil for batteries Scientific apparatus and instruments, namely, ultra-high vacuum chambers; surveying apparatus and instruments, namely, tripods and level measuring machines; signaling apparatus and instruments, namely, digital signal processors; automatic control apparatus namely, industrial automation controls; electronic control instruments, namely, electric control panels; data processing equipment, namely, data processors, couplers; data processing systems, namely, data processors; data processing apparatus; apparatus, instruments and cables for electricity, namely, resistors for distributing or controlling electric current; energy regulators, namely, voltage regulators for electric power; energy control devices, namely, electric control devices for heating and energy management; fuel cells; fuel regulating apparatus, namely, power controllers for fuel dispensers; batteries, electric for vehicles; sensors for use in the control of engines; electrical switch cabinets; battery boxes; uninterruptable power supply apparatus, namely, electrical power supplies Lighting apparatus, namely, lighting fixtures; heating units for industrial purposes; steam generating installations; cooling installations for water; ventilation apparatus, namely, ventilation hoods; water conduits installations, namely, water purification installations; heating apparatus for liquid fuels; heat pumps for energy processing Retail store, wholesale store and online retail store services all featuring methanol fuel, electrical energy, fuels, industrial oil for batteries; retail store, wholesale store and online retail store services all featuring scientific apparatus and instruments, nautical apparatus and instruments, surveying apparatus and instruments, photographical apparatus, optical apparatus and instruments, weighing apparatus and instruments, signaling apparatus and instruments, automatic control apparatus, electronic control instruments, data processing equipment, data processing systems, data processing apparatus, apparatus, instruments and cables for electricity; retail store, wholesale store and online retail store services all featuring energy regulators, energy control devices, fuel cells, fuel regulating apparatus, telecommunication apparatus, batteries for vehicles, sensors for use in the control of engines, electrical switch cabinets, battery boxes, uninterruptable power supply apparatus; retail store, wholesale store and online retail store services all featuring lighting apparatus, heating units, steam generating installations, cooling installations, drying installations, ventilation apparatus, water conduits installations, heating apparatus for liquid fuels and heat pumps for energy processing

Goods & Services

Methanol fuel; electrical energy; fuels; industrial oil for batteries. Scientific apparatus and instruments; nautical apparatus and instruments; surveying apparatus and instruments; photographical apparatus; optical apparatus and instruments; weighing apparatus and instruments; signaling apparatus and instruments; automatic control apparatus; electronic control instruments; data processing equipment; data processing systems; data processing apparatus; apparatus, instruments and cables for electricity; energy regulators; energy control devices; fuel cells; fuel regulating apparatus; telecommunication apparatus; batteries, electric, for vehicles; sensors for use in the control of engines; electrical switch cabinets; battery boxes; uninterruptable power supply apparatus. Lighting apparatus; heating units; steam generating installations; cooling installations; drying installations; ventilation apparatus; water conduits installations; heating apparatus for liquid fuels; heat pumps for energy processing. Retail, wholesale and online shopping services in relation to methanol fuel, electrical energy, fuels, industrial oil for batteries; Retail, wholesale and online shopping services in relation to scientific apparatus and instruments, nautical apparatus and instruments, surveying apparatus and instruments, photographical apparatus, optical apparatus and instruments, weighing apparatus and instruments, signaling apparatus and instruments, automatic control apparatus, electronic control instruments, data processing equipment, data processing systems, data processing apparatus, apparatus, instruments and cables for electricity; Retail, wholesale and online shopping services in relation to energy regulators, energy control devices, fuel cells, fuel regulating apparatus, telecommunication apparatus, batteries for vehicles, sensors for use in the control of engines, electrical switch cabinets, battery boxes, uninterruptable power supply apparatus; Retail, wholesale and online shopping services in relation to lighting apparatus, heating units, steam generating installations, cooling installations, drying installations, ventilation apparatus, water conduits installations, heating apparatus for liquid fuels and heat pumps for energy processing.

Abstract

The invention relates to and describes a heat exchanger system (1), comprising at least one first heat exchanger (2) and at least one second heat exchanger (3), wherein each heat exchanger (2, 3) comprises at least one housing (4) having two connection sides (5) and a plurality of pipelines (6) running between the connection sides (5) as a heat exchanger surfaces. The internal pipe volume of the pipelines (6) is accessible via the connection sides (5) of the heat exchanger (2, 3), and the housing (4) defines the external pipe volume of the heat exchanger (2, 3). A heat exchanger system (1) that is optimized both in terms of flow and thermally is implemented by the external pipe volume of the first heat exchanger (2) being connected to the internal pipe volume of the second heat exchanger (3) in that the second heat exchanger (3) is fastened in a sealing manner by a first connection side (5a) to the housing (4) of the first heat exchanger (2).

IPC Classes  ?

• F28D 7/00 - Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
• F28F 9/26 - Arrangements for connecting different sections of heat-exchange elements, e.g. of radiators
• F28F 9/00 - CasingsHeader boxesAuxiliary supports for elementsAuxiliary members within casings
• F28F 9/013 - Auxiliary supports for elements for tubes or tube-assemblies
• F28D 7/16 - Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged in parallel spaced relation