Results 21 to 30 of about 49,998 (296)

Mn3O4@CoMn2O4-CoxOy nanoparticles : partial cation exchange synthesis and electrocatalytic properties toward the oxygen reduction and evolution reactions [PDF]

, 2016
Mn3O4@CoMn2O4 nanoparticles (NPs) were produced at low temperature and ambient atmosphere using a one -pot two-step synthesis protocol involving the cation exchange of Mn by Co in preformed Mn3O4 NPs. Selecting the proper cobalt precursor, the nucleation
Andreu, Teresa, Arbiol, Jordi, Cabot Codina, Andreu, Cadavid, Doris, de la Mata, María, Genç, Aziz, Ibañez, María, Irtem, Erdem, Liu, Yu, Llorca Piqué, Jordi, Luo, Zhishan, Martí Sanchez, Sara, Morante Lleonart, Joan Ramon, Nafria Soler, Raquel   +13 more
core   +3 more sources

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

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

Alcohol Fuel Cells at Optimal Temperatures [PDF]

, 2006
High-power-density alcohol fuel cells can relieve many of the daunting challenges facing a hydrogen energy economy. Here, such fuel cells are achieved using CsH2PO4 as the electrolyte and integrating into the anode chamber a Cu-ZnO/Al2O3 methanol steam ...
Boysen, Dane A., Chisholm, Calum R. I., Haile, Sossina M., Uda, Tetsuya   +3 more
core   +1 more source

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

Dynamic Potential-Ph Diagrams Application to Electrocatalysts for Water Oxidation [PDF]

, 2011
The construction and use of "dynamic potential-pH diagrams" (DPPDs), that are intended to extend the usefulness of thermodynamic Pourbaix diagrams to include kinetic considerations is described.
Bard, Allen J., Fan, Fu-Ren F., Minguzzi, Alessandro, Rondinini, Sandra, Vertova, Alberto   +4 more
core   +1 more source

Electrochemical CO₂ Reduction to CO Catalyzed by 2D Nanostructures [PDF]

, 2020
Electrochemical CO₂ reduction towards value-added chemical feedstocks has been extensively studied in recent years to resolve the energy and environmental problems.
Erkey, Can, Hiragond, Chaitanya B., In, Su-Il, Kim, Hwapyong, Lee, Junho, Sorcar, Saurav   +5 more
core  

Macrocyclic cyanocobalamin (vitamin B12) as a homogeneous electrocatalyst for water oxidation under neutral conditions

, 2020
Highly water-soluble cyanocobalamin (also known as vitamin B-12) is the most structurally macrocyclic complex comprising cobalt in the center of a corrin ring.
Ahmad, Nazir, Shahadat, Hossain M, Verpoort, Francis, Younus, Hussein A, Zhang, Shiguo, Zhuiykov, Serge   +5 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