Results 51 to 60 of about 111,764 (351)

Enhancing Bubble Removal in Geometry‐Optimized Electrodes

Advanced Engineering Materials, EarlyView.
3D‐printed lattice electrodes outperform stochastic foams in alkaline water electrolysis despite 20%–25% lower surface area. Straight flow channels generate Venturi‐like bubble entrainment, suppressing gas accumulation that renders foam interiors electrochemically inactive.
Florian Wiesner, Peter Förster, Alexander Limper, Anselm Brodersen, Matthias Wessling, John Linkhorst   +5 more
wiley   +1 more source

Development of Different Kinds of Electrocatalyst for the Electrochemical Reduction of Carbon Dioxide Reactions: An Overview

Molecules, 2023
Significant advancements have been made in the development of CO2 reduction processes for applications such as electrosynthesis, energy storage, and environmental remediation. Several materials have demonstrated great potential in achieving high activity
Tse-Wei Chen, Shen-Ming Chen, Ganesan Anushya, Ramanujam Kannan, Abdullah G. Al-Sehemi, Saranvignesh Alargarsamy, Pandi Gajendran, Rasu Ramachandran   +7 more
doaj   +1 more source

Synthesis and characterization of nanostructured palladium-based alloy electrocatalysts [PDF]

, 2009
textLow temperature fuel cells like proton exchange membrane fuel cells (PEMFC) are expected to play a crucial role in the future hydrogen economy, especially for transportation applications.
Sarkar, Arindam
core  

Pd/NiMoO4/NF electrocatalysts for the efficient and ultra-stable synthesis and electrolyte-assisted extraction of glycolate

Nature Communications
Electrocatalytic conversion of organic small molecules is a promising technique for value-added chemical productions but suffers from high precious metal consumption, poor stability of electrocatalysts and tedious product separation. Here, a Pd/NiMoO4/NF
Kai Shi, Di Si, Xue Teng, Lisong Chen, Jianlin Shi   +4 more
semanticscholar   +1 more source

Polarizable Vanadium Dipoles Promote Water Dissociation on Vanadium‐Based Metal Organic Framework

Advanced Functional Materials, EarlyView.
The polarization of unpaired V 3d electrons weakens the H─O bond to improve water dissociation by the dual Vδ+:O─H and Pλ−:H─O coupling hydrogen bonds formation and relaxation. P@V‐MOF electrocatalyst shows low overpotentials (94 mV in acid, 178 mV in neutral, and 77 mV in alkaline solutions) with excellent stability for effective overall water ...
Xinjuan Liu, Jun Xu, Minmin Fan, Jingcheng Xu, Mengyuan Li, Yun Gong, Weiwei Yang, Lei Li, Yong Zhou, Deqiang Zhao, Yuhua Xue, Xingtao Xu, Chang Q. Sun, Liming Dai   +13 more
wiley   +1 more source

Investigation of multiple commercial electrocatalysts and electrocatalyst degradation for fuel cells in real vehicles

RSC Advances, 2022
The coalescence of Pt nanoparticles during operation in a real vehicle is considered to be the main reason to weaken the ORR. The trajectories of oriented attachment were disclosed by observing the coalescence events of Pt NPs using in situ TEM.
Wenhui He, Yanjuan Xiang, Mudi Xin, Limei Qiu, Wenyan Dong, Wenhui Zhao, Yuxia Diao, Aiguo Zheng, Guangtong Xu   +8 more
openaire   +2 more sources

The Ni,Cd Heteroatoms‐Initiated Synergistic Tuning of Electron Configuration in Fe2VO4 Nanosheets Electrocatalysts to Profoundly Stabilize Alkaline Seawater Electrolysis

Advanced Functional Materials, EarlyView.
A Ni,Cd‐codoped Fe2VO4/NF bifunctional electrocatalyst is rationally designed for efficient seawater electrolysis. Synergistic effect modulates electron configuration, optimizes intermediates adsorption, stabilizes high‐valence Fe/V sites, and repels chloride ions to suppress corrosion and side reactions, thus contributing to performance improvement of
Weiguo Huang, Bin Fang, Tao Meng, Xiaodong Chen, Ya Chen, Xin Gao, Fei Liang, Hongchao Sun, Jiangmin Zou, Chao Yuan, Yuanyuan Shao, Peiyi Ji, Yangang Wang, Lifeng Cui, Guoxiu Wang, Duu‐Jong Lee   +15 more
wiley   +1 more source

Strategies for the enhancements in catalytic performance and stability of anodic electrocatalyst in PEM water splitting

Energy Reviews
This article presents a strategy for enhancing the catalytic performance and stability of anodic electrocatalysts in proton exchange membrane (PEM) water splitting.
Yuhua Xie, Fang Luo, Zehui Yang
doaj   +1 more source

Structural reconstruction of electrocatalysts

Fundamental Research
Efficient and durable electrocatalysts are essential for achieving high electrocatalytic efficiency in electrocatalytic reactions, forming the bedrock of effective electrochemical energy technologies. Electrocatalysis is a complex process, marked by intricate reaction system and crucial interfacial interactions, leading to diverse degrees of ...
Chenfeng Xia, Fu-Min Li, Chaohui He, Shahid Zaman, Wei Guo, Bao Yu Xia   +5 more
openaire   +2 more sources

Non‐Noble‐Metal‐Based Electrocatalysts toward the Oxygen Evolution Reaction

Advanced Functional Materials, 2020
The development of low‐cost, high‐efficiency, and robust electrocatalysts for the oxygen evolution reaction (OER) is urgently needed to address the energy crisis.
Zhi‐Peng Wu, Xuefeng Lu, Shuangquan Zang, X. Lou   +3 more
semanticscholar   +1 more source