Zobrazeno 1 - 10
of 4 176
pro vyhledávání: '"Gas-Diffusion Layer"'
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-19 (2024)
Abstract This study utilises computational fluid dynamics simulations with the OpenFOAM computational framework to investigate and compare the in-plane and through-plane permeability properties of four different gas diffusion layers (GDLs). Also the
Externí odkaz:
https://doaj.org/article/25bb45d2d3ae48af8a2627dfe5b7f487
Autor:
Hossein Pourrahmani, Jan Van Herle
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-10 (2024)
Abstract The typical commercial size of a Gas Diffusion Layer (GDL) for Proton Exchange Membrane Fuel Cell (PEMFC) application is around 180 μm up to 290 μm. GDL facilitates the diffusion of reactants to the catalyst layers and liquid removal from
Externí odkaz:
https://doaj.org/article/5f3434b291324a29a6e7754997d735dd
Autor:
Tugba Ozer
Publikováno v:
The European Chemistry and Biotechnology Journal, Iss 3 (2024)
Here, carbon cloth (CC), which is a disposable, inexpensive, conductive substrate, was electrochemically activated for the formation of function al groups on the electrode surface. The electrochemical activation of commercial CC was achieved in vario
Externí odkaz:
https://doaj.org/article/dc6fae06bddc4b1a80efe37ef711b898
Autor:
Hossein Pourrahmani, Milad Hosseini, Hamza Moussaoui, Emad Oveisi, Majid Siavashi, Jan Van Herle
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-14 (2024)
Abstract In Proton Exchange Membrane Fuel Cells (PEMFCs), the presence of residual water within the Gas Diffusion Layer (GDL) poses challenges during cold starts and accelerates degradation. A computational model based on the Lattice Boltzmann Method
Externí odkaz:
https://doaj.org/article/0399009167fe4ee59693f767756ed466
Publikováno v:
Engineering Applications of Computational Fluid Mechanics, Vol 18, Iss 1 (2024)
At present, the proton exchange membrane fuel cell (PEMFC) is one of the most promising new energy solutions. The structure and material properties of the gas diffusion layer (GDL) are important factors that restrict the efficient water management an
Externí odkaz:
https://doaj.org/article/a4edb16d3d764767aad5dd7dd84cecff
Akademický článek
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Autor:
Tao Zhang, Ling Meng, Chengcheng Chen, Lei Du, Ning Wang, Lixing Xing, Chunmei Tang, Jian Hu, Siyu Ye
Publikováno v:
Advanced Science, Vol 11, Iss 32, Pp n/a-n/a (2024)
Abstract Proton‐exchange membrane fuel cells (PEMFCs) and water electrolysis (PEMWE) are rapidly developing hydrogen energy conversion devices. Catalyst layers and membranes have been studied extensively and reviewed. However, few studies have comp
Externí odkaz:
https://doaj.org/article/4c8f34dd030e45da9522cdb8f329a3e9
Autor:
Akihiko Kato, Satoshi Yamaguchi, Wataru Yoshimune, Kazuhisa Isegawa, Masashi Maeda, Daisuke Hayashi, Takahisa Suzuki, Satoru Kato
Publikováno v:
Electrochemistry Communications, Vol 165, Iss , Pp 107772- (2024)
Preventing the accumulation of water in the gas diffusion layer (GDL) proves effective in enhancing the performance of polymer electrolyte fuel cells (PEFCs). To understand the water transport phenomena in GDLs and channels of PEFCs, cell hardware fo
Externí odkaz:
https://doaj.org/article/ff4cb04c25fa491e9871d35ec7383641
Publikováno v:
Heliyon, Vol 10, Iss 12, Pp e32501- (2024)
The gas diffusion layer (GDL), as the bridge to reactants and electrons in PEMFC, is a carbon-based porous component and would be deformed under compression to induce changes in the distributions of reactants and the corresponding performances of PEM
Externí odkaz:
https://doaj.org/article/18a77838a9194f81907ecc88f5e83c7c
Publikováno v:
Energies, Vol 17, Iss 21, p 5339 (2024)
The proton exchange membrane fuel cell (PEMFC), with a high energy conversion efficiency, has become an important means of hydrogen energy utilization. However, water condensation is unavoidable in the PEMFC because of low operating temperatures. The
Externí odkaz:
https://doaj.org/article/839e20b1763549898bcac76ad5514bfa