Results 311 to 320 of about 106,519 (399)

Vegetable Oil‐Based Materials for Drug Delivery Systems and Wound Dressings

Macromolecular Bioscience, EarlyView.
Renewable resources like vegetable oils are increasingly explored for biomaterial production in biomedical applications. Their monoglycerides and triglycerides inherently possess functions or can be chemically modified to introduce functional groups suitable for polymerization, yielding biomaterials with desirable properties such as flexibility ...
Lucas M. Favre, Nicolas Masurier, Anne Aubert‐Pouëssel   +2 more
wiley   +1 more source

Coupling the Mass Transport Mechanisms of the Porous Transport Layer and Flow Channel of a Proton Exchange Membrane Fuel Cell

, 2018
Michael J. Powell
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Optimal parameters estimation of the proton exchange membrane fuel cell stacks using a combined owl search algorithm

Energy Sources, Part A: Recovery, Utilization, and Environmental Effects, 2023
PEMFC (the proton exchange membrane fuel cell) is an extremely effective energy converter system that generates electricity through electrochemical reactions.
Keke Yuan, Yingying Ma, Hua Zhang, Navid Razmjooy, N. Ghadimi   +4 more
semanticscholar   +1 more source

Structure Design for Ultrahigh Power Density Proton Exchange Membrane Fuel Cell

Small Methods, 2023
Next‐generation ultrahigh power density proton exchange membrane fuel cells rely not only on high‐performance membrane electrode assembly (MEA) but also on an optimal cell structure.
Guobin Zhang, Lizhen Wu, Chasen Tongsh, Zhiguo Qu, Siyuan Wu, Biao Xie, Wenming Huo, Qing Du, Huizhi Wang, Liangkun An, Ning Wang, J. Xuan, Wenmiao Chen, Fuqiang Xi, Zhixin Wang, Kui Jiao   +15 more
semanticscholar   +1 more source

Insight into Defect Engineering of Atomically Dispersed Iron Electrocatalysts for High‐Performance Proton Exchange Membrane Fuel Cell

Advances in Materials, 2023
Atomically dispersed and nitrogen coordinated iron catalysts (Fe‐NCs) demonstrate potential as alternatives to platinum‐group metal (PGM) catalysts in oxygen reduction reaction (ORR).
S. Yi, Eunho Choi, Ho Yeon Jang, Seonggyu Lee, Jinkyu Park, Daeeun Choi, Ye‐Ri Jang, Ho-Won Kang, S. Back, Segeun Jang, Jinwoo Lee   +10 more
semanticscholar   +1 more source

Rational Design of Microporous Polybenzimidazole Framework for Efficient Proton Exchange Membrane Fuel Cell

Journal of Materials Chemistry A, 2022
The preparation of polymeric anhydrous proton conducting membrane is critical to the development of high-temperature proton-exchange membrane (HT-PEM) for the use in fuel cell and remains a significant scientific challenge...
Harilal ., Ramanath Bhattacharyya, A. Shukla, P. Ghosh, T. Jana   +4 more
semanticscholar   +1 more source

FUEL CELLS – PROTON-EXCHANGE MEMBRANE FUEL CELLS | Membranes: Polybenzimidazole

2009
The current research on polymer electrolytes for fuel cells is focused on the optimization of a membrane working at 120 °C and low humidity levels (<30%), which are the real operative conditions in the case of automotive applications. Among a wide variety of tested polymer systems, polybenzimidazole (PBI)-based membranes, doped with phosphoric acid,
Mustarelli, P, Quartarone, E, Magistris, A   +2 more
openaire   +2 more sources

Phosphoric acid doped polybenzimidazole with leaf-like three-layer porous structure as high-temperature proton exchange membrane for fuel cell

Journal of Materials Chemistry A, 2021
Porous polybenzimidazole (PBI) membranes with high ability to store phosphoric acid (PA) and transfer protons are promising materials as high-temperature proton exchange membranes (HT-PEMs) for fuel cell applications.
Peng Wang, Jinwu Peng, Bibo Yin, Xianzhu Fu, Lei Wang, Jingli Luo, Xiaojun Peng   +6 more
semanticscholar   +1 more source

Proton exchange membrane fuel cells

Vacuum, 2006
The desire to have compact, high power sources with low environmental impact has focused attention on proton exchange membrane fuel cells (PEMFC). The paper gives a brief overview of processes and technical challenges related to PEMFCs. The main goal is also to give a short overview of the underlying science and to show a feasible approach to ...
openaire   +1 more source

Model Predictive Control With Lifetime Constraints Based Energy Management Strategy for Proton Exchange Membrane Fuel Cell Hybrid Power Systems

IEEE transactions on industrial electronics (1982. Print), 2020
In this article, a model predictive control (MPC) energy management strategy is proposed to distribute power flows of proton exchange membrane fuel cell (PEMFC)-based hybrid power systems consisting of PEMFC, battery, and waste heat recovery system such ...
Hongwen He, Shengwei Quan, Fengchun Sun, Ya-Xiong Wang   +3 more
semanticscholar   +1 more source