Electrode for fuel cell, fuel cell, and method of preparing electrode for fuel cell
AssigneesSamsung SDI Co., Ltd., Samsung Electronics Co., Ltd., Sanyo Electronic Co., Ltd.
InventorsAtsuo Sonai, Masaya Yano, Katsuyuki Tabata, Kunihino Nakato
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Abstract
A fuel cell that operates at high temperature under non-humid conditions using an electrolyte membrane prepared by impregnating a basic polymer with an acid and a method of producing an electrode for a fuel cell, the fuel cell includes a catalyst layer electrode that can prevent the inhibition of gas diffusion due to generated water and the inhibition of gas diffusion due to an electrode catalyst being covered with an acid that leaks from the electrolyte membrane impregnated with the acid. The electrode includes a catalyst layer including a platinum-containing catalyst, a basic polymer, and a hydrophobic binder.
Claims18
An electrode for a fuel cell that generates energy when an electrolyte membrane is not humidified, the electrode comprising:
- a catalyst comprising platinum;
- a basic polymer;
- and
- a hydrophobic binder.
A fuel cell that generates energy when an electrolyte membrane is not humidified, the fuel cell comprising:
- an electrode including a catalyst comprising platinum;
- a basic polymer;
- and
- a hydrophobic binder.
A method of producing an electrode for a fuel cell, the method comprising:
- dispersing a platinum-containing catalyst in a solvent to prepare a dispersion solution;
- mixing the dispersion solution with a basic polymer solution, and a hydrophobic binder, and then stirring the resulting mixture;
- and
- coating the resulting mixture on a carbon porous body.
The method of claim 12, wherein the platinum-containing catalyst is prepared by impregnating an activated carbon with platinum.
A fuel cell comprising:
- a first electrode;
- a second electrode;
- an electrolyte membrane interposed between the first and the second electrode;
- a first bipolar plate formed on the first electrode;
- and
- a second bipolar plate formed on the second electrode,
- wherein the first and the second electrodes each include a catalyst, a hydrophobic binder and a basic polymer.
Dependencies are inferred from the claim text.