FUEL CELL AND METHOD FOR MANUFACTURING THE SAME, ENZYME-IMMOBILIZED ELECTRODE AND METHOD FOR MANUFACTURING THE SAME, AND ELECTRONIC APPARATUS
First Claim
1. A fuel cell comprising a structure in which a cathode and an anode face each other with a proton conductor therebetween,wherein the anode is obtained by immobilizing at least glucose dehydrogenase and diaphorase on an electrode using an immobilizing material composed of poly-L-lysine and glutaraldehyde, andthe mass ratio of the poly-L-lysine to the glutaraldehyde is 5:
- 1 to 80;
1.
1 Assignment
0 Petitions
Accused Products
Abstract
There is provided a fuel cell whose current density and maintenance ratio can be improved when at least glucose dehydrogenase and diaphorase are immobilized on an anode using an immobilizing material composed of poly-L-lysine and glutaraldehyde. The fuel cell has a structure in which a cathode 2 and an anode 1 face each other with an electrolyte layer 3 therebetween, the anode 1 being obtained by immobilizing at least glucose dehydrogenase and diaphorase on an electrode using an immobilizing material composed of poly-L-lysine and glutaraldehyde, wherein the mass ratio of the poly-L-lysine to the glutaraldehyde in an immobilizing material is 5:1 to 80:1, the mass ratio of the glucose dehydrogenase to the diaphorase is 1:3 to 200:1, and the average molecular weight of the poly-L-lysine is 21500 or more.
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Citations
19 Claims
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1. A fuel cell comprising a structure in which a cathode and an anode face each other with a proton conductor therebetween,
wherein the anode is obtained by immobilizing at least glucose dehydrogenase and diaphorase on an electrode using an immobilizing material composed of poly-L-lysine and glutaraldehyde, and the mass ratio of the poly-L-lysine to the glutaraldehyde is 5: - 1 to 80;
1. - View Dependent Claims (2, 3, 4, 5)
- 1 to 80;
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6. A method for manufacturing a fuel cell, wherein when a fuel cell having a structure in which a cathode and an anode face each other with a proton conductor therebetween, the anode being obtained by immobilizing at least glucose dehydrogenase and diaphorase on an electrode using an immobilizing material composed of poly-L-lysine and glutaraldehyde, is manufactured, the mass ratio of the poly-L-lysine to the glutaraldehyde is set to 5:
- 1 to 80;
1.
- 1 to 80;
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7. An electronic apparatus comprising:
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one or more fuel cells, wherein at least one of the fuel cells has a structure in which a cathode and an anode face each other with a proton conductor therebetween;
the anode is obtained by immobilizing at least glucose dehydrogenase and diaphorase on an electrode using an immobilizing material composed of poly-L-lysine and glutaraldehyde; and
the mass ratio of the poly-L-lysine to the glutaraldehyde is 5;
1 to 80;
1.
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8. An enzyme-immobilized electrode,
wherein at least glucose dehydrogenase and diaphorase are immobilized on an electrode using an immobilizing material composed of poly-L-lysine and glutaraldehyde, and the mass ratio of the poly-L-lysine to the glutaraldehyde is 5: - 1 to 80;
1.
- 1 to 80;
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9. A method for manufacturing an enzyme-immobilized electrode, wherein when an enzyme-immobilized electrode including at least glucose dehydrogenase and diaphorase immobilized on an electrode using an immobilizing material composed of poly-L-lysine and glutaraldehyde is manufactured, the mass ratio of the poly-L-lysine to the glutaraldehyde is set to 5:
- 1 to 80;
1.
- 1 to 80;
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10. A fuel cell comprising a structure in which a cathode and an anode face each other with a proton conductor therebetween,
wherein the anode is obtained by immobilizing at least glucose dehydrogenase and diaphorase on an electrode using an immobilizing material composed of poly-L-lysine and glutaraldehyde, and the average molecular weight of the poly-L-lysine is 21500 or more.
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11. A method for manufacturing a fuel cell, wherein when a fuel cell having a structure in which a cathode and an anode face each other with a proton conductor therebetween, the anode being obtained by immobilizing at least glucose dehydrogenase and diaphorase on an electrode using an immobilizing material composed of poly-L-lysine and glutaraldehyde, is manufactured, the average molecular weight of the poly-L-lysine is set to 21500 or more.
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12. An electronic apparatus comprising:
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one or more fuel cells, wherein at least one of the fuel cells has a structure in which a cathode and an anode face each other with a proton conductor therebetween;
the anode is obtained by immobilizing at least glucose dehydrogenase and diaphorase on an electrode using an immobilizing material composed of poly-L-lysine and glutaraldehyde; and
the average molecular weight of the poly-L-lysine is 21500 or more.
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13. An enzyme-immobilized electrode,
wherein at least glucose dehydrogenase and diaphorase are immobilized on an electrode using an immobilizing material composed of poly-L-lysine and glutaraldehyde, and the average molecular weight of the poly-L-lysine is 21500 or more.
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14. A method for manufacturing an enzyme-immobilized electrode, wherein when an enzyme-immobilized electrode including at least glucose dehydrogenase and diaphorase immobilized on an electrode using an immobilizing material composed of poly-L-lysine and glutaraldehyde is manufactured, the average molecular weight of the poly-L-lysine is set to 21500 or more.
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15. A fuel cell comprising a structure in which a cathode and an anode face each other with a proton conductor therebetween,
wherein the anode is obtained by immobilizing at least glucose dehydrogenase and diaphorase on an electrode using an immobilizing material composed of poly-L-lysine and glutaraldehyde, and the mass ratio of the glucose dehydrogenase to the diaphorase is 1: - 3 to 200;
1.
- 3 to 200;
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16. A method for manufacturing a fuel cell, wherein when a fuel cell having a structure in which a cathode and an anode face each other with a proton conductor therebetween, the anode being obtained by immobilizing at least glucose dehydrogenase and diaphorase on an electrode using an immobilizing material composed of poly-L-lysine and glutaraldehyde, is manufactured, the mass ratio of the glucose dehydrogenase to the diaphorase is set to 1:
- 3 to 200;
1.
- 3 to 200;
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17. An electronic apparatus comprising:
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one or more fuel cells, wherein at least one of the fuel cells has a structure in which a cathode and an anode face each other with a proton conductor therebetween;
the anode is obtained by immobilizing at least glucose dehydrogenase and diaphorase on an electrode using an immobilizing material composed of poly-L-lysine and glutaraldehyde; and
the mass ratio of the glucose dehydrogenase to the diaphorase is 1;
3 to 200;
1.
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18. An enzyme-immobilized electrode,
wherein at least glucose dehydrogenase and diaphorase are immobilized on an electrode using an immobilizing material composed of poly-L-lysine and glutaraldehyde, and the mass ratio of the glucose dehydrogenase to the diaphorase is 1: - 3 to 200;
1.
- 3 to 200;
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19. A method for manufacturing an enzyme-immobilized electrode, wherein when an enzyme-immobilized electrode including at least glucose dehydrogenase and diaphorase immobilized on an electrode using an immobilizing material composed of poly-L-lysine and glutaraldehyde is manufactured, the mass ratio of the glucose dehydrogenase to the diaphorase is set to 1:
- 3 to 200;
1.
- 3 to 200;
Specification