• 专利标题:   Base material of composite bipolar graphene useful in hydrogen energy fuel cell comprises graphite powder, phenolic resin, graphene, curing agent, accelerator, and mold release agent.
  • 专利号:   CN115403897-A
  • 发明人:   GAN X, LIN Y, GUO Y, LIN P, GAN Q
  • 专利权人:   XIAMEN TEKILIFI TECHNOLOGY CO LTD
  • 国际专利分类:   C08K003/04, C08L061/06, H01M008/0226
  • 专利详细信息:   CN115403897-A 29 Nov 2022 C08L-061/06 202309 Chinese
  • 申请详细信息:   CN115403897-A CN10993844 18 Aug 2022
  • 优先权号:   CN10993844

▎ 摘  要

NOVELTY - Base material of composite bipolar graphene comprises 20-30 wt.% graphite powder, 27-55 wt.% phenolic resin, 20-30 wt.% graphene, 2-5 wt.% curing agent, 1-3 wt.% accelerant, and 2-5 wt.% mold release agent. USE - The graphene composite bipolar plate base material is useful in a hydrogen energy fuel cell. Can also be used for a lithium-ion battery and a battery cell. ADVANTAGE - The graphene composite bipolar plate base material: has better conductive heat conducting performance and corrosion resistance, and short forming time of the product, and is environmentally friendly. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is also included for a method for preparing base material of composite bipolar graphene comprising (a) stirring 800 mesh flake graphite powder and graphene to obtain mixture A, (b) adding phenolic resin into the internal mixer, and adding mixture many times to carry out pressurized banburying, and banburying to obtain mixture B, (c) adding mixed material enters the open mill for winding after banburying and discharging, and entering the crusher to break into particles when the temperature of the material drops to room temperature, and using a ball mill to grind the particles to obtain powder C, and (d) stirring and mixing the powder C, curing agent, accelerator and release agent, and entering the granulator for granulation, and (e) after the granulation is completed, using a die-casting machine to perform die-casting molding to obtain a composite bipolar plate substrate. DESCRIPTION OF DRAWING(S) - The drawing shows a surface structure pattern of composite bipolar plate under the high power microscope material.