Results 11 to 20 of about 1,091,496 (304)

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

MOF-Derived Cu@Cu2O Nanocatalyst for Oxygen Reduction Reaction and Cycloaddition Reaction [PDF]

Nanomaterials, 2018
Research on the synthesis of nanomaterials using metal-organic frameworks (MOFs), which are characterized by multi-functionality and porosity, as precursors have been accomplished through various synthetic approaches.
Aram Kim, Nallal Muthuchamy, Chohye Yoon, Sang Hoon Joo, Kang Hyun Park   +4 more
doaj   +4 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

Bio-inspired nanocatalysts for the oxygen reduction reaction [PDF]

Nature Communications, 2013
Electrochemical conversions at fuel cell electrodes are complex processes. In particular, the oxygen reduction reaction has substantial overpotential limiting the electrical power output efficiency.
A Langner, AB Anderson, AGl Orive, AJ Bard, CT Carver, D Payer, DA Proshlyakov, DL Harris, F Cheng, F Rosei, FA Armstrong, G Battistuzzi, G Wu, GM Whitesides, H Spillmann, HA Gasteiger, I Horcas, J Guo, J Kim, JA Theobald, JAAW Elemans, JK Norskov, JV Barth, JV Barth, JV Barth, M Lackinger, MA Lingenfelder, MH Shao, N Lin, N Lin, P Gambardella, P Nordlund, R Miah, S Fabris, S Stepanow, S Stepanow, S Stepanow, SL Tait, SL Tait, T Classen, W Li, WB Tolman, Y Ye, Z Li   +43 more
core   +6 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

Modified Substrates for Oxygen Reduction Reaction [PDF]

ECS Meeting Abstracts, 2013
Abstract not Available.
ZAFFERONI, CLAUDIO, INNOCENTI, MASSIMO, GIAMBASTIANI, GIULIANO, TUCI, GIULIA, BECUCCI, LUCIA, CAPOLUPO, FERDINANDO, FORESTI, MARIA LUISA   +6 more
openaire   +4 more sources

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