A fuel cell including, a cell unit which has a fuel electrode including a catalyst, an air electrode including a catalyst, and an electrolyte membrane which is sandwiched by the fuel electrode and the air electrode; a fuel chamber which is disposed at a fuel electrode side, and which stores fuel; an
A fuel cell including, a cell unit which has a fuel electrode including a catalyst, an air electrode including a catalyst, and an electrolyte membrane which is sandwiched by the fuel electrode and the air electrode; a fuel chamber which is disposed at a fuel electrode side, and which stores fuel; an air chamber which is disposed at an air electrode side and to which air is supplied; and a recovery chamber in which a fuel-side by-product, which is generated by a catalytic reaction of the fuel at the fuel electrode, is recovered, wherein a colorant containing an indicator is provided inside of one of the fuel chamber and the recovery chamber.
대표청구항▼
What is claimed is: 1. A fuel cell comprising: a cell unit which has a fuel electrode including a catalyst, an air electrode including a catalyst, and an electrolyte membrane which is sandwiched by the fuel electrode and the air electrode; a fuel chamber which is disposed at a fuel electrode side,
What is claimed is: 1. A fuel cell comprising: a cell unit which has a fuel electrode including a catalyst, an air electrode including a catalyst, and an electrolyte membrane which is sandwiched by the fuel electrode and the air electrode; a fuel chamber which is disposed at a fuel electrode side, and which stores fuel; an air chamber which is disposed at an air electrode side and to which air is supplied; and a recovery chamber in which a fuel-side by-product, which is generated by a catalytic reaction of the fuel at the fuel electrode, is recovered, wherein a colorant containing an indicator is provided inside of one of the fuel chamber and the recovery chamber and the indicator is based upon the fuel-side by-product. 2. The fuel cell according to claim 1, wherein at least one of the fuel chamber and the recovery chamber has an outer wall which comprises a transparent member. 3. The fuel cell according to claim 1, further comprising a pressure-applying mechanism which applies pressure to the interior of at least one of the fuel chamber and the recovery chamber. 4. The fuel cell according to claim 1, wherein the recovery chamber is provided with a gas-liquid separation membrane. 5. A fuel cell comprising: a cell unit which has a fuel electrode including a catalyst, an air electrode including a catalyst, and an electrolyte membrane which is sandwiched by the fuel electrode and the air electrode; a fuel chamber which is disposed at a fuel electrode side, and which stores fuel; an air chamber which is disposed at an air electrode side and to which air is supplied, wherein: fuel to which a colorant is added is housed in the fuel chamber, and a color of the fuel derived from the colorant changes in accordance with an amount of gas generated by a catalytic reaction of the fuel at the fuel electrode. 6. The fuel cell according to claim 5, wherein the gas is allowed to remain in the fuel chamber, and the fuel cell further comprises a pressure-applying mechanism for applying pressure to the interior of the fuel chamber to dissolve the gas. 7. The fuel cell according to claim 5, wherein the gas is carbon dioxide, and the colorant is an indicator whose color is changed by carbon dioxide. 8. A fuel cell comprising: a cell unit which has a fuel electrode including a catalyst, an air electrode including a catalyst, and an electrolyte membrane which is sandwiched by the fuel electrode and the air electrode; a fuel chamber which is disposed at a fuel electrode side, and which stores fuel; an air chamber which is disposed at an air electrode side and to which air is supplied; and a recovery chamber in which a fuel-side by-product, which is generated by a catalytic reaction of the fuel at the fuel chamber, is recovered, wherein an absorbing member which absorbs a colorant, is housed in the recovery chamber, and a color of the absorbing member derived from the colorant changes in accordance with an amount of the fuel-side by-product which has been recovered. 9. The fuel cell according to claim 8, wherein the recovery chamber recovers an air-side by-product generated at the air electrode. 10. The fuel cell according to claim 9, wherein the fuel-side by-product is carbon dioxide, the air-side by-product is water, and the colorant is an indicator whose color is changed by carbon dioxide. 11. The fuel cell according to claim 10, wherein the indicator comprises a Bromothymol Blue solution. 12. The fuel cell according to claim 10, wherein the indicator comprises a litmus solution. 13. The fuel cell according to claim 10, wherein at least one of the fuel chamber and the recovery chamber has an outer wall which comprises a transparent member. 14. The fuel cell according to claim 13, further comprising a detection mechanism which detects the color of the colorant. 15. The fuel cell according to claim 8, wherein the recovery chamber is provided with a gas-liquid separation membrane. 16. An electronic device to which the fuel cell according to claim 1 can be installed. 17. A portable terminal to which the fuel cell according to claim 1 can be installed. 18. A camera to which the fuel cell according to claim 1 can be installed.
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이 특허에 인용된 특허 (1)
Yonetsu, Maki; Takashita, Masahiro; Sumino, Hiroyasu, Liquid fuel-housing tank for fuel cell and fuel cell.
Yamasaki, Satoshi; Yamamoto, Kazunori; Kawamura, Shinya; Takei, Yasuharu; Jo, Takao, Blower type chemical diffusing apparatus with fuel cell power supply.
Yamasaki, Satoshi; Yamamoto, Kazunori; Kawamura, Shinya; Takei, Yasuharu; Jo, Takao, Blower type chemical diffusing apparatus with fuel cell power supply.
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