Results 1 to 10 of about 103,980 (305)

Anion-Exchange Membranes’ Characteristics and Catalysts for Alkaline Anion-Exchange Membrane Fuel Cells [PDF]

Membranes
This work aims at the effects of anion-exchange membranes (AEMs) and ionomer binders on the catalyst electrodes for anion-exchange membrane fuel cells (AEMFCs). In the experiments, four metal catalysts (nano-grade Pt, PtRu, PdNi and Ag), four AEMs (aQAPS-
Fa-Cheng Su, Hsuan-Hung Yu, Hsiharng Yang   +2 more
doaj   +4 more sources

Anion-Exchange Membrane Water Electrolyzers

Chemical Reviews, 2022
This Review provides an overview of the emerging concepts of catalysts, membranes, and membrane electrode assemblies (MEAs) for water electrolyzers with anion-exchange membranes (AEMs), also known as zero-gap alkaline water electrolyzers. Much of the recent progress is due to improvements in materials chemistry, MEA designs, and optimized operation ...
Claudie Roy, Retha Peach, Matthew J Turnbull   +2 more
exaly   +5 more sources

Alkaline Stability of Anion-Exchange Membranes. [PDF]

ACS Appl Energy Mater, 2023
Recently, the development of durable anion-exchange membrane fuel cells (AEMFCs) has increased in intensity due to their potential to use low-cost, sustainable components. However, the decomposition of the quaternary ammonium (QA) cationic groups in the anion-exchange membranes (AEMs) during cell operation is still a major challenge.
Willdorf-Cohen S, Zhegur-Khais A, Ponce-González J, Bsoul-Haj S, Varcoe JR, Diesendruck CE, Dekel DR.   +6 more
europepmc   +3 more sources

Photochemical Methods to Study the Radical-Induced Degradation of Anion-Exchange Membranes [PDF]

Membranes
We adapted two photochemical methods to generate radicals and assess their impact on anion exchange membrane stability, independent of base-induced degradation.
Panna Solyom, Thomas Nauser, Tamas Nemeth   +2 more
doaj   +2 more sources

Recent Advances and Challenges in Anion Exchange Membranes Development/Application for Water Electrolysis: A Review [PDF]

Membranes
In recent years, anion exchange membranes (AEMs) have aroused widespread interest in hydrogen production via water electrolysis using renewable energy sources.
Lu Liu, Hongyang Ma, Madani Khan, Benjamin S. Hsiao   +3 more
doaj   +2 more sources

Comparison of Physicochemical Properties of Two Types of Polyepichlorohydrin-Based Anion Exchange Membranes for Reverse Electrodialysis

Membranes, 2022
The development of the most effective, suitable and economic ion-exchange membranes is crucial for reverse electrodialysis (RED)—the most widely studied process to harvest salinity gradient energy from mixing seawater and river water.
Ezgi Karakoç, Enver Güler
doaj   +1 more source

Investigation of Transport Processes through Ion-Exchange Membranes Used in the Production of Amines from Their Salts Using Bipolar Electrodialysis

Membranes, 2022
The influence of the nature of amine solutions on the frequency spectrum of the electrochemical impedance of the bipolar membrane aMB-2m is investigated.
Tatyana Karpenko, Nikita Kovalev, Vladislava Shramenko, Nikolay Sheldeshov   +3 more
doaj   +1 more source

Polysulfone-based Anion Exchange Membranes for Potential Application in Solid Alkaline Fuel Cells [PDF]

Journal of Renewable Energy and Environment, 2015
In present research work, anion exchange membranes based on quaternized polysulfone with ammonium cation moieties (QAPSF) were prepared by chloromethylation, amination and alkalization.
Mona Iravaninia, Sousan Rowshanzamir
doaj   +1 more source

Profiled Ion-Exchange Membranes for Reverse and Conventional Electrodialysis

Membranes, 2022
Profiled ion-exchange membranes are promising for improving the parameters of reverse electrodialysis due to the reduction of pumping power and electrical resistance.
Sergey Loza, Natalia Loza, Natalia Kutenko, Nikita Smyshlyaev   +3 more
doaj   +1 more source

Upscaled production of an ultramicroporous anion-exchange membrane enables long-term operation in electrochemical energy devices

Nature Communications, 2023
The lack of high-performance and substantial supply of anion-exchange membranes is a major obstacle to future deployment of relevant electrochemical energy devices.
Wanjie Song, Kang Peng, Wei Xu, Xiang Liu, Huaqing Zhang, Xian Liang, Bangjiao Ye, Hongjun Zhang, Zhengjin Yang, Liang Wu, Xiaolin Ge, Tongwen Xu   +11 more
doaj   +1 more source