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Fuel cell manufacturing method AND FUEL CELL

A fuel cell and manufacturing method technology, which can be applied to fuel cells, solid electrolyte fuel cells, battery electrodes, etc., and can solve problems such as damage

Active Publication Date: 2021-06-29
MTEK SMART
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0016] However, in this method, it is expected that the Nafion membrane, for example, will be damaged by the impact of the solvent on the interface of the electrolyte membrane during the time from cooling to heating and drying after coating.

Method used

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  • Fuel cell manufacturing method AND FUEL CELL
  • Fuel cell manufacturing method AND FUEL CELL
  • Fuel cell manufacturing method AND FUEL CELL

Examples

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Embodiment Construction

[0062] Hereinafter, preferred embodiments of the present invention will be described with reference to the drawings. In addition, the following embodiment is only an example for easy understanding of invention, and does not exclude the addition, substitution, deformation|transformation etc. which can be implemented by those skilled in the art within the range which does not deviate from the technical idea of ​​this invention.

[0063] The drawings schematically show preferred embodiments of the invention.

[0064] exist figure 1 In the process, a small-diameter roller 4 with a diameter smaller than that of the heating-adsorption drum is arranged upstream of the heating-adsorption drum 1 , and the electrolyte membrane 2 unwound by the unwinding device 5 passes between the small-diameter roller 4 and the heating-adsorption drum 1 via the traction roller 10 On the position away from the roller, the electrode ink (not shown) is coated with the slot nozzle 3 , and the film-forming...

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Abstract

The invention provides a fuel cell manufacturing method and a fuel cell. A thin and sensitive electrolyte membrane for a fuel cell is coated with an electrode ink containing an electrolyte solution, carbon supporting a catalyst, and water or an alcohol solvent, or a core-shell type electrode ink, in a thin film, to produce a deformation-free membrane electrode assembly. A small-diameter roller is arranged upstream of a heating adsorption roller, electrode ink is coated on the small-diameter roller or at a position away from the small-diameter roller by using a groove type nozzle so as to form an electrode on at least one side, and the solvent is instantaneously evaporated by the heating adsorption roller so as to form the electrode.

Description

[0001] This application is a divisional application of a patent application with an application date of February 19, 2019, an application number of 201980015184.X, and a patent application titled "Method for Manufacturing a Membrane Electrode Assembly for a Fuel Cell". technical field [0002] The present invention is mainly concerned with the use of heads known as slot dies, slit dies, slot nozzles, etc. Method of application. For example, it includes a method for forming an electrode of a fuel cell, especially a PEFC (Polymer Electrolyte Membrane Fuel Cell) type fuel cell, and an MEA (membrane electrode assembly) and a fuel cell manufactured by this method. [0003] The material, shape and coating material of the object to be coated are not particularly limited, but in order to be applied to the CCM (Catalyst Coated Membrane, catalyst coating film) type electrolyte membrane and electrode formation method of MEA, etc., the electrolyte membrane is sprayed on the electrolyte me...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01M8/1004B05D1/26B05D7/24H01M4/88H01M8/10
CPCH01M8/1004B05D1/26B05D7/24H01M4/88H01M8/10Y02P70/50Y02E60/50
Inventor 松永正文
Owner MTEK SMART