Citation: Junsheng Zheng, Yuhang Peng, Runlin Fan, Jing Chen, Zize Zhan, Dongmei Yao, Pingwen Ming. Study on carbon matrix composite bipolar plates with balance of conductivity and flexural strength[J]. Chinese Chemical Letters, ;2023, 34(5): 107616. doi: 10.1016/j.cclet.2022.06.039 shu

Study on carbon matrix composite bipolar plates with balance of conductivity and flexural strength

Junsheng Zheng ^{a, b, *,} ,
Yuhang Peng ^{a, b} ,
Runlin Fan ^{a, b} ,
Jing Chen ^{a, b} ,
Zize Zhan ^{a, b} ,
Dongmei Yao ^{a, b} ,
Pingwen Ming ^{a, b, *,}

a.
New Energy Automotive Engineering Center, Tongji University, Shanghai 200029, China
b.
School of Automotive Studies, Tongji University, Shanghai 200092, China

jszheng@tongji.edu.cn

pwming@tongji.edu.cn

Received Date: 19 April 2022
Revised Date: 4 June 2022
Accepted Date: 14 June 2022
Available Online: 18 June 2022

Figures(6)

In order to balance the conductivity and flexural strength of graphite composite bipolar plates, the influence of conductive filler on the properties of graphite composite bipolar plate was comprehensively studied by using phenolic resin as binder, natural flake graphite as conductive substrate and functional carbon materials with different structures as auxiliary filler. The results show that the particle size of conductive substrate has an important influence on the conductivity enhancement of auxiliary filler. The influence of conductive particle size on auxiliary filler electrical conductivity improvement was first investigated in this research. The effects of various auxiliary filler concentrations on improving electrical conductivity and flexural strength were then examined. This research has substantial implications for the balance of electrical conductivity and flexural strength of graphite composite bipolar plates.
- Composite bipolar plates,
- Graphite particle size,
- Auxiliary fillers,
- Electrical conductivity,
- Flexural strength
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