A fuel cell include a membrane electrode assembly including an anode, a cathode opposed to the anode, and an electrolyte membrane interposed between the anode and the cathode; a lyophobic porous body in contact with the anode; and an anode passage plate in contact with the lyophobic porous body, the
A fuel cell include a membrane electrode assembly including an anode, a cathode opposed to the anode, and an electrolyte membrane interposed between the anode and the cathode; a lyophobic porous body in contact with the anode; and an anode passage plate in contact with the lyophobic porous body, the anode passage plate including a gas collection passage and a fuel supplying passage, the gas collection passage collects a gas generated in the anode via the lyophobic porous body, the fuel supplying passage supplies a fuel to the anode via the lyophobic porous body.
대표청구항▼
What is claimed is: 1. A fuel cell comprising: a membrane electrode assembly including an anode, a cathode opposed to the anode, and an electrolyte membrane interposed between the anode and the cathode; a lyophobic porous body in contact with the anode; and an anode passage plate in contact with th
What is claimed is: 1. A fuel cell comprising: a membrane electrode assembly including an anode, a cathode opposed to the anode, and an electrolyte membrane interposed between the anode and the cathode; a lyophobic porous body in contact with the anode; and an anode passage plate in contact with the lyophobic porous body, the anode passage plate including a gas collection passage and a fuel supplying passage, the gas collection passage collects a gas generated in the anode via the lyophobic porous body, the fuel supplying passage supplies a fuel to the anode via the lyophobic porous body, wherein the fuel supplying passage further includes a plurality of first passages in contact with the lyophobic porous body; and a plurality of second passages respectively connected to an upstream side of the first passages, and fluid diffusion resistances of the second passages are larger than fluid diffusion resistances of the first passages. 2. The fuel cell according to claim 1, wherein the lyophobic porous body includes a plurality of through-holes respectively connected to the fuel supplying passage. 3. The fuel cell according to claim 2, further comprising a plurality of lyophilic porous bodies buried in the through-holes. 4. The fuel cell according to claim 1, further comprising a plurality of contacts buried in the lyophobic porous body. 5. The fuel cell according to claim 1, further comprising: a branching passage connected to the first passages; a tank which accommodates a fuel in the first passages; and a pump which pumps the fuel in the first passages to the tank via the branching passage, or pumps the fuel in the tank to the first passages via the branching passage. 6. The fuel cell according to claim 1, further comprising a cathode passage plate opposed to the anode passage plate, wherein an oxidant is supplied to the cathode via the cathode passage plate. 7. The fuel cell according to claim 1, further comprising a circulation member which circulates an exhaust matter discharged from an outlet side passage of the fuel supplying passage to an inlet side passage of the fuel supplying passage. 8. A fuel cell comprising: a membrane electrode assembly including an anode, a cathode opposed to the anode, and an electrolyte membrane interposed between the anode and the cathode; a lyophilic porous body in contact with the anode; and an anode passage plate in contact with the lyophilic porous body, the anode passage plate including a gas collection passage and a fuel supplying passage, the gas collection passage collects a gas generated in the anode via the lyophilic porous body, the fuel supplying passage supplies a fuel to the anode via the lyophilic porous body, wherein the fuel supplying passage further includes a plurality of first passages in contact with the lyophobic porous body; and a plurality of second passages respectively connected to an upstream side of the first passages, and fluid diffusion resistances of the second passages are larger than fluid diffusion resistances of the first passages. 9. The fuel cell according to claim 8, wherein the lyophilic porous body includes a plurality of through-holes connected to the gas collection passage. 10. The fuel cell according to claim 9, further comprising a plurality of lyophobic porous bodies buried in the through-holes and in contact with the lyophilic porous body. 11. The fuel cell according to claim 8, further comprising a plurality of contacts buried in the lyophilic porous body. 12. The fuel cell according to claim 8, further comprising: a branching passage connected to the first passages; a tank which accommodates a fuel in the first passages; and a pump which conveys the fuel in the first passages to the tank via the branching passage, or conveys the fuel in the tank to the first passages via the branching passage. 13. The fuel cell according to claim 8, further comprising a cathode passage plate opposed to the anode passage plate, wherein an oxidant is supplied to the cathode via the cathode passage plate. 14. The fuel cell according to claim 8, further comprising a circulation member which circulates an exhaust matter to an inlet side passage of the fuel supplying passage, wherein the exhaust matter is discharged from an outlet side passage of the fuel supplying passage.
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이 특허에 인용된 특허 (2)
Hirsch, Robert S.; Beckmann, Gerhard; Becerra, Juan J.; Kim, Hongsun; DeFillipis, Michael S., Fuel delivery cartridge and anodic fuel receptor for a fuel cell.
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