Fuel cell with air purifier
阅读：407发布：2022-11-14
专利汇可以提供Fuel cell with air purifier专利检索，专利查询，专利分析的服务。并且A fuel cell comprising a cell block, fed with a comburent, a fuel and an electrolyte, and a comburent purifier, wherein the cell block forms a hot part of the fuel cell and is placed above the comburent purifier which forms the cold part of the fuel cell, said hot part and said cold part are connected to each other through a duct for the conveyance of the purified comburent to the cell block by natural convection and static suction means are provided for the exhaust of the comburent and the hot combustion products from the cell block.，下面是Fuel cell with air purifier专利的具体信息内容。
1. A fuel cell comprising a cell block forming the hot part of the fuel cell, said cell block having inlet and outlet means for the purpose of introducing into said fuel cell block and evacuating therefrom at least one comburent, one fuel, and an electrolyte, duct means connected to said inlet means for supplying respectively said cell block with comburent, fuel and electrolyte, a comburent purifier constituting the cold part of said fuel cell, said cell block being placed above and substantially straight above said comburent purifier, said comburent purifier comprising a housing in which there are placed a plurality of vertical tubes having predetermined inside diameters and lengths, and whose inside surfaces are covered with a porous material, the upper ends of these tubes being located at the same level in said housing which forms around said tubes a reservoir for containing a liquid for purifying the comburent, said housing being provided at the lower part thereof, with means for introducing the comburent exclusively into said tubes and, at the upper part thereof, with means for evacuating the purified comburent and putting in communication the upper ends of said tubes with said duct means for supplying said fuel cell block with comburent, said duct means being substantially rectilinear and placed vertically so as to directly connect the means for evacuating said comburent purifier and the means for introducing said comburent into said cell block, said housing comprising at the upper part thereof means for introducing a comburentpurifying liquid whose level is maintained even with the upper ends of said tubes and comprising, at the lower part thereof, means for evacuating the used purifying liquid after passage through said tubes.
2. A fuel cell according to claim 1, wherein the comburent is ambient air, and the purifier comprises N tubes, each having an inside diameter D being at least equal to 0.01m, and a length L which satisfies the ratios L < or = 5 104 N D4 and pi D L N > or = 103 Q, L and D being expressed in meters, and Q being the rate of flow of the purifiEd comburent delivered by said purifier, said rate of flow being measured in m3/s.
3. A fuel cell according to claim 1, wherein said vertical duct means connecting said purifier and said block is a suction duct means comprising at the upper end thereof a static suction device of the Venturi type.
4. A fuel cell according to claim 2, comprising an external circuit for stirring the purifying liquid absorbing the carbon dioxide contained in the air traversing the comburent purifier, said stirring circuit connecting the means for evacuating and introducing the purifying liqiuid which are arranged in the lower and upper parts of said housing, said stirring circuit comprising a device of the gas lift type so as to have the purifying liquid circulate from the evacuation means toward the introduction means of said purifying liquid, said gas-lift-type device acting upon said liquid with a small portion of the expansion energy of the fuel supplying the fuel cell.
5. A fuel cell according to claim 4, in which said external stirring circuit comprises means for regenerating said purifying liquid.
6. A fuel cell according to claim 5, comprising a fuel distributor connected to the duct for supplying said cell block with fuel.
7. A fuel cell according to claim 6, wherein said distributor comprises capillary tubes disposed above the chambers of said cell block.
8. A fuel cell according to claim 6, wherein said cell block comprises very fine fuel electrodes which are adapted to withstand only small pressures.
9. A fuel cell according to claim 1, comprising a circuit for stirring the electrolyte in which the electrolyte is cooled in a heat exchanger which is part of said stirring circuit.
10. A fuel cell according to claim 9, wherein said heat exchanger is disposed at the outside of said cell block and is of the type that operates by natural convection.
11. A fuel cell according to claim 10, further comprising in said circuit for stirring the electrolyte a static heat exchange regulator connected to the cell block via a first duct means within which circulates the uncooled electrolyte coming directly from the cell block and a second duct means through which circulates the electrolyte cooled in the heat exchanger, said regulator being connected to said cell block by means of a third duct through which circulates the electrolyte which is supplied by the regulator in order to be re-introduced into said cell block.
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