Impact of the temperature variation on the thermal conductivity of gas diffusion layers for polymer electrolyte fuel cells

被引：2
|
作者：
Turkmen, Anil Can [1 ]
Espinoza-Andaluz, Mayken [2 ]
Celik, Cenk [1 ]
Sunden, Bengt [3 ]
Soyhan, Hakan Serhad [4 ]
机构：
[1] Kocaeli Univ, Dept Mech Engn, TR-41380 Kocaeli, Turkiye
[2] Escuela Super Politecn Litoral ESPOL, Fac Ingn Mecan & Ciencias Prod, Ctr Energias Renovables & Alternat, Guayaquil 09015863, Ecuador
[3] Lund Univ, Dept Energy Sci, S-22100 Lund, Sweden
[4] Sakarya Univ, Dept Mech Engn, TR-54050 Sakarya, Turkiye
来源：
FUEL | 2023年 / 345卷
关键词：
Gas diffusion layer; Heat conduction; Thermal conductivity; Temperature variation; Thermal effects; WATER TRANSPORT; PEM; MPL; GDL;
D O I：
10.1016/j.fuel.2023.128097
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
The purpose of this study is to evaluate the thermal conductivity of gas diffusion layers (GDLs) when subjected to different operating temperatures. The measurement apparatus is completely designed and the thermal conductivities are evaluated for five different GDL samples. The amount of catalyst material within the GDLs is also considered in the current study. Based on the obtained measurements, thermal conductivity correlations as a function of the operating temperature are proposed. The correlations consider a confidence interval of 95%, and according to the results, they show good predictivity. In this study, the GDL thermal conductivity coefficient functions are proposed. The mentioned correlations can be used to determine the thermal properties of fuel cells for a range of temperatures from 20 degrees C to 80 degrees C.
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收藏
页数：6
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