Results 281 to 290 of about 102,266 (349)

Proton Exchange Membrane Fuel Cells

2012
Abstract Proton-exchange membrane fuel cells are promising devices for a variety of energy-conversion technologies. However, they have limited market penetration due to their high cost, which stems from the need to balance durability, performance, and materials.
Weber AZ, Balasubramanian S, Das PK
openaire   +2 more sources

Enhancement of mass transfer in a proton exchange membrane fuel cell with blockage in the flow channel

Applied Thermal Engineering, 2019
Flow field design is very important for performance enhancement of a proton exchange membrane fuel cell (PEMFC). The most common method for the evaluation of the improved performance of a particular PEMFC design is the polarization curve.
Jun Shen, Z. Tu, S. Chan
semanticscholar   +1 more source

Performance and instabilities of proton exchange membrane fuel cells

Russian Journal of Electrochemistry, 2006
Performance of proton exchange fuel cells with different membrane and electrode assembly (MEA) is stutied. it is schown that MEA fabricated with catalyst plasma pulverization technology has the maximum performance. Some instabilities in the cell performance, observed with time, are probably due to periodic cathode flooding.
Kadjo, Amangoua Jean-Jacques, Garnier, J. -P., Maye, J.-P., Relot, F., Martemianov, Sergueï   +4 more
openaire   +2 more sources

Tandem cathode for proton exchange membrane fuel cells

Physical Chemistry Chemical Physics, 2013
The efficiency of proton exchange membrane fuel cells is limited mainly by the oxygen reduction reaction at the cathode. The large cathodic overpotential is caused by correlations between binding energies of reaction intermediates in the reduction of oxygen to water.
Samira, Siahrostami, Mårten E, Björketun, Peter, Strasser, Jeff, Greeley, Jan, Rossmeisl   +4 more
openaire   +2 more sources

Thermodynamic and exergoeconomic analyses of a proton exchange membrane fuel cell (PEMFC) system and the feasibility evaluation of integrating with a proton exchange membrane electrolyzer (PEME)

Energy Conversion and Management, 2019
Fuel cells offer one of the most eco-friendly and efficient ways of energy production. In this study a thermodynamic and exergoeconomic assessment of a proton exchange membrane fuel cell (PEMFC) system at steady-state operation condition are carried out.
A. Chitsaz, M. A. Haghghi, Javad Hosseinpour   +2 more
semanticscholar   +1 more source

Large-scale multi-phase simulation of proton exchange membrane fuel cell

International Journal of Heat and Mass Transfer, 2019
Limited by the computational efficiency and stability, traditional 3D (three-dimensional) CFD (computational fluid dynamics) simulations of PEMFC (proton exchange membrane fuel cell) are always in single-channel scale, which neglect the realistic flow ...
Guobin Zhang, Xu Xie, Biao Xie, Q. Du, K. Jiao   +4 more
semanticscholar   +1 more source

Model-based observers for internal states estimation and control of proton exchange membrane fuel cell system: A review

, 2020
The proton exchange membrane fuel cell (PEMFC) system is a promising candidate for the future electric vehicle power source. But the widespread deployment of fuel cell vehicle is restricted by its short service life.
Hao Yuan, Haifeng Dai, Xuezhe Wei, P. Ming   +3 more
semanticscholar   +1 more source

Tailoring FeN4 Sites with Edge Enrichment for Boosted Oxygen Reduction Performance in Proton Exchange Membrane Fuel Cell

Advanced Energy Materials, 2019
Transition metal atoms with corresponding nitrogen coordination are widely proposed as catalytic centers for the oxygen reduction reaction (ORR) in metal–nitrogen–carbon (M–N–C) catalysts.
Xiaogang Fu, Na Li, Bohua Ren, G. Jiang, Yanru Liu, F. Hassan, D. Su, Jianbing Zhu, Lin Yang, Zhengyu Bai, Z. Cano, A. Yu, Zhongwei Chen   +12 more
semanticscholar   +1 more source

Mechanical failure and mitigation strategies for the membrane in a proton exchange membrane fuel cell

Renewable & Sustainable Energy Reviews, 2019
Proton exchange membrane (PEM) fuel cells are promising zero-emission power source for automobiles, portable devices, backup power system and stationary applications.
Diankai Qiu, Diankai Qiu, Linfa Peng, X. Lai, M. Ni, W. Lehnert, W. Lehnert   +6 more
semanticscholar   +1 more source

Designing the next generation of proton-exchange membrane fuel cells

Nature, 2021
K. Jiao, J. Xuan, Q. Du, Zhiming Bao, Biao Xie, Bowen Wang, Yan Zhao, Linhao Fan, Huizhi Wang, Zhongjun Hou, Sen Huo, N. Brandon, Yan Yin, M. Guiver   +13 more
semanticscholar   +1 more source