Results 1 to 10 of about 1,098,304 (355)

Defective nanomaterials for electrocatalysis oxygen reduction reaction

Frontiers in Chemistry, 2022
The difficulties in O2 molecule adsorption/activation, the cleavage of the O–O bond, and the desorption of the reaction intermediates at the surface of the electrodes make the cathodic oxygen reduction reaction (ORR) for fuel cells show extremely ...
Zhanxin Mao, Xianyi Tang, Xuguang An, Jinxia Jiang   +3 more
doaj   +3 more sources

Nanoscale Fe₃O₄ Electrocatalysts for Oxygen Reduction Reaction [PDF]

Molecules
This study presents a straightforward hydrothermal synthesis approach to fabricate uniform and highly dispersed nanoscale Fe3O4 electrocatalysts for the oxygen reduction reaction (ORR). FeSO4·7H2O is used as the precursor, and sodium dodecyl sulfate (SDS)
Junjie Zhang, Jilong Wang, Yaoming Fu, Xing Peng, Maosong Xia, Weidong Peng, Yaowei Liang, Wuguo Wei   +7 more
doaj   +2 more sources

Oxygen Reduction Reaction at Penta-Coordinated Co Phthalocyanines

Frontiers in Chemistry, 2020
From the early 60s, Co complexes, especially Co phthalocyanines (CoPc) have been extensively studied as electrocatalysts for the oxygen reduction reaction (ORR).
Marco Viera, Jorge Riquelme, Carolina Aliaga, José F. Marco, Walter Orellana, José H. Zagal, Federico Tasca   +6 more
doaj   +4 more sources

PtCoNi Alloy Towards Efficient Oxygen Reduction Reaction [PDF]

E3S Web of Conferences, 2023
A ternary alloy catalyst, CoNi-Pt/C-600, was prepared using a simple polyol method and thermal annealing treatment, and its oxygen reduction reaction (ORR) performance in acidic medium was studied.X-ray diffraction (XRD), X-ray photoelectron spectroscopy
Zhang Binbin, Wu Jiayun, Cong Yuanyuan
doaj   +1 more source

Phosphorus-Doped Graphene Electrocatalysts for Oxygen Reduction Reaction

Nanomaterials, 2022
Developing cheap and earth-abundant electrocatalysts with high activity and stability for oxygen reduction reactions (ORRs) is highly desired for the commercial implementation of fuel cells and metal-air batteries.
Xinxing Zhan, Xin Tong, Manqi Gu, Juan Tian, Zijian Gao, Liying Ma, Yadian Xie, Zhangsen Chen, Hariprasad Ranganathan, Gaixia Zhang, Shuhui Sun   +10 more
doaj   +1 more source

Oxygen vacancies engineering in electrocatalysts nitrogen reduction reaction

Frontiers in Chemistry, 2022
Ammonia is important, both as a fertilizer and as a carrier of clean energy, mainly produced by the Haber-Bosch process, which consumes hydrogen and emits large amounts of carbon dioxide.
Haijiang Zhu, Chao Wang, Yuling He, Yi Pu, Peiwen Li, Liang He, Xianglan Huang, Wu Tang, Hui Tang   +8 more
doaj   +1 more source

High-Efficiency Oxygen Reduction Reaction Revived from Walnut Shell

Molecules, 2023
The development of inexpensive and efficient electrocatalysts for oxygen reduction reactions (ORR) remains a challenge with respect to renewable energy technologies.
Lei Yan, Yuchen Liu, Junhua Hou
doaj   +1 more source

Carbon-Supported Mo₂C for Oxygen Reduction Reaction Electrocatalysis

Nanomaterials, 2020
Molybdenum carbide (Mo2C)-based electrocatalysts were prepared using two different carbon supports, commercial carbon nanotubes (CNTs) and synthesised carbon xerogel (CXG), to be studied from the point of view of both capacitive and electrocatalytic ...
Dušan Mladenović, Milica Vujković, Slavko Mentus, Diogo M. F. Santos, Raquel P. Rocha, Cesar A. C. Sequeira, Jose Luis Figueiredo, Biljana Šljukić   +7 more
doaj   +1 more source

Biomass-Derived Advanced Carbon-Based Electrocatalysts for Oxygen Reduction Reaction

Biomass, 2022
Noble metal-based materials are enormously used as a cathode material for electrocatalytic oxygen reduction reaction (ORR), which plays an important role in determining the performance of energy conversion and storage devices such as fuel cells, metal ...
Srijib Das, Souvik Ghosh, Tapas Kuila, Naresh Chandra Murmu, Aniruddha Kundu   +4 more
doaj   +1 more source

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