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Manufacturing method of bipolar plate

A manufacturing method and bipolar plate technology, applied in the direction of final product manufacturing, fuel cell parts, sustainable manufacturing/processing, etc., can solve the problems of complex manufacturing process, high cost, long processing cycle, etc., and achieve simple process, Low production cost, suitable for mass production

Inactive Publication Date: 2022-01-28
WEICHAI POWER CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The machining method saves the cost of mold opening, but the manufacturing process is complicated and the processing cycle is too long, resulting in high cost
The molding process has advantages in mass production of bipolar plates, but the cost of mold opening is high, and there are certain requirements for the selection of graphite substrates

Method used

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  • Manufacturing method of bipolar plate
  • Manufacturing method of bipolar plate
  • Manufacturing method of bipolar plate

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Embodiment Construction

[0032] Next, the embodiments in the present application will be described, and the embodiments are clear and completely, and clearly, the described embodiments are merely the embodiments of the present disclosure, not all of the embodiments. Based on the embodiments in the present application, one of ordinary skill in the art is in the scope of the present application without making creative labor premistence.

[0033] In order to make the above objects, features, and advantages of the present application, the present application will be described in detail below with reference to the accompanying drawings and embodiments.

[0034] like figure 1 Distance figure 1 A flow chart of a method of fabricating a bipolar plate provided by the embodiment of the present application, the bipolar plate comprising a relatively disposed anode plate and a cathode plate, the bipolar plate, can be used for proton exchange membrane fuel cells.

[0035] The method of making includes:

[0036] Step S1...

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Abstract

The technical scheme of the invention discloses a manufacturing method of a bipolar plate. The manufacturing method comprises the following steps: providing a mold; filling a conductive slurry with a photocuring characteristic in the mold; carrying out light curing on the conductive slurry to form a light-cured polar plate used as an anode plate or a cathode plate; and carrying out demolding treatment, so that the light-cured polar plate is separated from the mold. According to the technical scheme, a simple and rapid photocuring bipolar plate processing mode is provided. The preparation method is carried out at normal temperature, and is low in production cost, simple in process and suitable for mass production.

Description

Technical field [0001] The present application relates to the technical field of fuel cell making process, and more particularly to a method of fabricating a bipolar plate. Background technique [0002] The bipolar plate is one of the important components of the fuel cell. It supports support in the fuel cell, collecting current, providing channels and dispensing oxidants, and reducing agents. The bipolar plate includes a relatively disposed anode plate and a cathode plate. [0003] The processing of bipolar plate flow path is mainly carried out by machining and molding in the prior art. Machine processing is saved, but the production process is complex and the processing cycle is too long, resulting in too high cost. The molding process has an advantage in large quantities of bipolar plates, but the opening die cost is high, and the selection of graphite substrate has a certain requirement. Inventive content [0004] In view of this, the present application provides a method of...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B29C45/26B29C35/08B29C37/00H01M8/0202B29K105/00B29K507/04B29L31/34
CPCB29C45/263B29C35/0805B29C37/0067H01M8/0202B29C2035/0827B29K2105/0005B29K2507/04B29L2031/3468Y02E60/50Y02P70/50
Inventor 周小杰汶刚陈国鹏
Owner WEICHAI POWER CO LTD
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