Results 21 to 30 of about 27,278 (305)

Hollow-Structure Pt-Ni Nanoparticle Electrocatalysts for Oxygen Reduction Reaction

Molecules, 2022
An electrocatalyst with high oxygen reduction reaction (ORR) activity and high stability during start–stop operation is necessary. In this paper, hollow-structure Pt-Ni electrocatalysts are investigated as ORR catalysts.
Quan Wang, Baosen Mi, Jun Zhou, Ziwei Qin, Zhuo Chen, Hongbin Wang   +5 more
doaj   +1 more source

Platinum Nanoparticles Supported on Carbon Nanodots as Anode Catalysts for Direct Alcohol Fuel Cells

International Journal of Electrochemical Science, 2017
Carbon nanodots (CNDs) were successfully synthesized employing a cheap and green method using oats as a starting material. The Pt/CNDs electrocatalyst was synthesized using carbon nanodots as a reductant and support material without adjusting the pH of ...
S. S Gwebu, P.N Nomngongo, P.N. Mashazi, T Nyokong, N.W Maxakato   +4 more
doaj   +1 more source

Upgrading the Detection of Electrocatalyst Degradation During the Oxygen Evolution Reaction

, 2022
Electrocatalysts for the oxygen evolution reaction (OER) are an important component for the transition from fossil to sustainable energy. Commercialization of cost-effective earth-abundant electrocatalysts is in large parts hindered by their degradation.
Marcel, Risch
core   +1 more source

Zeolite supported Pd electrocatalyst nanoparticle characterization [PDF]

, 2019
© 2018 Hydrogen Energy Publications LLC A laboratory made 1.5 wt% Palladium (Pd) zeolite electrocatalyst is investigated using the Extended X-ray Adsorption Fine Structure (EXAFS) and Cyclic Voltammetry (CV) techniques to reveal Pd structure and ...
Yao, Jun, Yao, Yufeng, Yufeng Yao, Jun Yao   +3 more
core   +3 more sources

Deep-Breathing Honeycomb-like Co-Nx-C Nanopolyhedron Bifunctional Oxygen Electrocatalysts for Rechargeable Zn-Air Batteries

iScience, 2020
Summary: Metal organic framework (MOF) derivatives have been extensively used as bifunctional oxygen electrocatalysts. However, the utilization of active sites is still not satisfactory owing to the sluggish mass transport within their narrow pore ...
Zhaoqiang Li, Gaopeng Jiang, Ya-Ping Deng, Guihua Liu, Dezhang Ren, Zhen Zhang, Jianbing Zhu, Rui Gao, Yi Jiang, Dan Luo, Yanfei Zhu, Dai-Huo Liu, Altamash M. Jauhar, Huile Jin, Yongfeng Hu, Shun Wang, Zhongwei Chen   +16 more
doaj   +1 more source

Atomically Resolved Anisotropic Electrochemical Shaping of Nano-electrocatalyst

, 2019
Catalytic properties of advanced functional materials are determined by their surface and near-surface atomic structure, composition, morphology, defects, compressive and tensile stresses, etc; also known as a structure–activity relationship.
Francisco Ruiz-Zepeda (1341261), Nejc Hodnik, Dražić, Goran, Marjan Bele (1400920), Nejc Hodnik (1400914), Gaberšček, Miran, Marjan Bele, Andraž Pavlišič (1400905), Bele, Marjan, Goran Dražić, Primož Jovanovič, Miran Gaberšček, Jovanovič, Primož, Ruiz-Zepeda, Francisco, Pavlišič, Andraž, Francisco Ruiz-Zepeda, Goran Dražić (1961104), Matija Gatalo (1400911), Matija Gatalo, Miran Gaberšček (1400917), Gatalo, Matija, Hodnik, Nejc, Primož Jovanovič (1400908), Andraž Pavlišič   +23 more
core   +2 more sources

“Painted” CNT@Au Nanoparticles: A Nanohybrid Electrocatalyst of Direct Methanol Oxidation

, 2020
In a world of constant rush towards novel energy sources, hybrid nanomaterials have raised huge interest as their components can synergistically improve the expected performances in terms of power. In this regard, direct methanol oxidation (DMO) is among
Navdeep, Kaur, Viplove, Bhullar, Asma, Bensghaïer, Myriam, Bdiri, Aman, Mahajan, Mohamed, Chehimi, Momath, Lo   +6 more
core   +1 more source

Mo-doped one-dimensional needle-like Ni3S2 as bifunctional electrocatalyst for efficient alkaline hydrogen evolution and overall-water-splitting

ChemPhysMater
Hydrogen energy plays an important role in clean energy system and is considered the core energy source for future technological development owing to its lightweight nature, high calorific value, and clean combustion products.
Junjie Huang, Yupeng Xing, Jinzhao Huang, Fei Li, Gang Zhao, Xingmin Yu, Binxun Li, Xinran Zhang   +7 more
doaj   +1 more source

New Approaches for the Ethanol Oxidation Reaction of Pt/C on Carbon Cloth Using ATR-FTIR

International Journal of Electrochemical Science, 2012
This work describes the study of the ethanol oxidation reaction of a Pt/C Etek electrocatalyst that was supported on different substrates, such as gold, glassy carbon and carbon cloth treated with PTFE.
R.F.B. De Souza, J.C.M. Silva, F.C. Simões, M.L. Calegaro, A.O. Neto, M.C. Santos   +5 more
doaj   +1 more source

Heteroatom Doping Synergistic Iron Nitride Induced Charge Redistribution of Carbon based Electrocatalyst with Boosted Oxygen Reduction Reaction

ChemElectroChem, 2023
Oxygen reduction reaction (ORR) is Achilles’ heel of zinc‐air battery. The ideal electrocatalyst for ORR should combine both high activity and high stability.
Dr. Yuyu Guo, Dr. Dianyu Xu, Dr. Shuting Li, Dr. Jinxi Han, Prof. Qi Yang, Prof. Zhengqiang Xia, Prof. Gang Xie, Prof. Sanping Chen, Prof. Shengli Gao   +8 more
doaj   +1 more source