Zobrazeno 1 - 10
of 349
pro vyhledávání: '"Zhigang Zhan"'
Autor:
Chenlong Wang, Xiaosong Chen, Xin Xiang, Heng Zhang, Zhiping Huang, Xinhao Huang, Zhigang Zhan
Publikováno v:
Polymers, Vol 15, Iss 23, p 4589 (2023)
In this study, a 3D model of a proton exchange membrane fuel cell (PEMFC) with crossed channels and an ultra-thin membrane is developed to investigate the feasibility of self-humidification; experiments utilizing a PEMFC stack with identical configur
Externí odkaz:
https://doaj.org/article/9a8fe7d7a8284e68806717ec06780d9f
Publikováno v:
Polymers, Vol 15, Iss 7, p 1629 (2023)
The gas diffusion layer (GDL) is an important component of proton exchange membrane fuel cells (PEMFCs), and its porosity distribution has considerable effects on the transport properties and durability of PEMFCs. A 3-D two-phase flow computation flu
Externí odkaz:
https://doaj.org/article/f30d317cc3484b9aa3022a5c361c6bef
Publikováno v:
Energies, Vol 16, Iss 4, p 2038 (2023)
Generally, the unit cell in a proton exchange membrane fuel cell (PEMFC) stack is divided into different zones according to the characteristics of the bipolar plate. There is a zone that has been neglected, which we define as the “neck zone” for
Externí odkaz:
https://doaj.org/article/8d6afe68d610480e8b6f77fa2ccc5a52
Autor:
Heng Zhang, Xuanyu Shao, Zhigang Zhan, Mrittunjoy Sarker, Pang-Chieh Sui, Po-Ya Abel Chuang, Mu Pan
Publikováno v:
Membranes, Vol 13, Iss 2, p 219 (2023)
A microporous layer (MPL) is a transition layer with a porous material structure, located between the gas diffusion layer (GDL) and catalyst layer (CL) in a proton exchange membrane fuel cell (PEMFC). It not only significantly improves electron trans
Externí odkaz:
https://doaj.org/article/d9f5aed0df384736a783bc61b9fb8480
Autor:
Zhigang Zhan, Hao Song, Xiaoxiang Yang, Panxing Jiang, Rui Chen, Hesam Bazargan Harandi, Heng Zhang, Mu Pan
Publikováno v:
Membranes, Vol 12, Iss 10, p 1001 (2022)
Due to the complexity of both material composition and the structure of the catalyst layer (CL) used in the proton-exchange membrane fuel cell (PEMFC), conjugated heat and mass transfer as well as electrochemical processes simultaneously occur throug
Externí odkaz:
https://doaj.org/article/418f82fb0e8d473a849afddc78cbd284
Publikováno v:
Polymers, Vol 14, Iss 15, p 3203 (2022)
Cold start is one of the major issues that hinders the commercialization of polymer electrolyte membrane fuel cells (PEMFCs). In this study, a 2D transient multi-physics model is developed to simulate the cold start processes in a PEMFC. The phase ch
Externí odkaz:
https://doaj.org/article/abb952ac18144405a9934cf49533f140
Publikováno v:
ACS Applied Materials & Interfaces. 15:21629-21639
Publikováno v:
Processes; Volume 11; Issue 5; Pages: 1583
Durability and remaining useful life (RUL) prediction techniques are ones of the key issues for proton exchange membrane fuel cell (FC) commercialization. Herein, the performance degradation of an FC is analyzed based on the whole lifetime experiment
Autor:
Shanshan Xu, Chaogang Zheng, Zhiyuan Shang, Zhigang Zhang, Xinggong Kong, Iain Robertson, Zhijun Zhao
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-14 (2024)
Abstract Precisely dated paleoclimatic records are essential for understanding natural and anthropogenic climate influences. Here, an annually resolved absolutely dated Juniperus saltuaria tree ring width chronology from the Haizi mountain, southeast
Externí odkaz:
https://doaj.org/article/008ce84b886f4dbc842ebfc3465deac2
Publikováno v:
Journal of Wuhan University of Technology-Mater. Sci. Ed.. 36:318-330
A two-dimensional geometric model is developed for a polymer electrolyte based on the liquid water penetration mechanism in the membrane electrode assemblies under the action of capillary pressure. The effects of the diameter, number, and distributio