Results 61 to 70 of about 1,091,347 (159)

Rational Design of Covalent Organic Frameworks-Based Single Atom Catalysts for Oxygen Evolution Reaction and Oxygen Reduction Reaction

Molecules
The rational design of high-performance catalysts for the oxygen evolution reaction (OER) and oxygen reduction reaction (ORR) is essential for the development of clean and renewable energy technologies, particularly in fuel cells and metal-air batteries.
Wenli Xie, Bin Cui, Desheng Liu, Haicai Huang, Chuanlu Yang   +4 more
doaj   +1 more source

New Progress on Development of Oxygen Evolution Reaction Catalysts

Journal of MMIJ, 2017
In recent years, the electrochemical water splitting using renewable energy has attracted considerable attention for the production and utilization of hydrogen gas as a fuel. However, the high overpotential for the oxygen evolution reaction increases the
Shunsuke YAGI, Hidekazu IKENO, Ikuya YAMADA   +2 more
doaj   +1 more source

Characterization of Pd Nanocomposites for the Oxygen-Reduction Reaction

Proceedings
Carbon nanocomposites are essential supports in fuel cell catalysts, ensuring dispersion, anchoring, and reactant access. Here, we demonstrated an in situ synthesis of Pd nanoparticles using electrogenerated hydrophilic carbon (EHC) matrix that acts ...
Ilias Ouanzi, Maria C. Oliveira
doaj   +1 more source

Promotion of oxygen reduction by a bio-inspired tethered iron phthalocyanine carbon nanotube-based catalyst [PDF]

, 2014
Electrocatalysts for oxygen reduction are a critical component that may dramatically enhance the performance of fuel cells and metal-air batteries, which may provide the power for future electric vehicles.
AA Gewirth, AA Tanaka, C Bezerra, CJ Chang, F Jaouen, F Jaouen, Fdr Jaouen, G Wu, H Meier, H Michel, J Greeley, J Suntivich, JL Bahr, JP Collman, K Gong, K Sasaki, KM Kadish, M Lefèvre, M Lefèvre, MK Debe, R Cao, R Chen, R Jasinski, S Gupta, S Rywkin, SNS Goubert-Renaudin, UI Koslowski, UI Kramm, VR Stamenkovic, W Li, X Li, Y Liang, Y Liang, Z Chen, Z Shi, Z-S Wu   +35 more
core   +1 more source

Selenium-functionalized carbon as a support for platinum nanoparticles with improved electrochemical properties for the oxygen reduction reaction and CO tolerance [PDF]

, 2013
Using selenium-functionalized carbon as supports, platinum nanoparticles were uniformly dispersed on the carbon surface, and showed improved electrochemical properties for the oxygen reduction reaction. At the same time the CO tolerance is improved. The
Da, Huahua, Ji, Shan, Liao, Shijun, Wang, Hui, Wang, Rongfang   +4 more
core   +1 more source

Effects of ring substituents on electrocatalytic activity of manganese phthalocyanines towards the reduction of molecular oxygen [PDF]

, 2006
Reduction of oxygen electrocatalyzed by adsorbed films of manganese phthalocyanine complexes is reported. The complexes studied were: manganese phthalocyanine (MnPc, 1); manganese tetraamino phthalocyanine (MnTAPc, 2); manganese tetrapentoxy pyrrole ...
Nyokong, Tebello, Sehlotho, N
core   +2 more sources

A review of developments in electrodes for regenerative polymer electrolyte fuel cells [PDF]

, 2006
The design of electrodes for unitised regenerative polymer electrolyte fuel cells (URFC) requires a delicate balancing of transport media. Gas transport, electrons and protons must be carefully optimised to provide efficient transport to and from the ...
Harrison, DJ, Pettersson, J, Ramsey, BJ
core  

Synthesis and Characterization of Silver-Modified Micro-Diamond as an Electrocatalyst for Oxygen Evolution and Reduction Reactions in Alkaline Medium

International Journal of Electrochemical Science, 2017
Silver-modified micro-diamond composites are synthesized through the chemical reduction of silver nitrate and characterized via X-ray diffraction, scanning electron microscopy (SEM), transmission electron microscopy (TEM), X-ray photoelectron ...
Hao Huang, Xilong Ma, Yuanyuan Liu, Jie Hu, Zhefeng Xu, Kazuhiro Matsugi   +5 more
doaj   +1 more source

Effects of heat treatment on the catalytic activity and methanol tolerance of carbon-supported platinum alloys [PDF]

, 2012
This work studies the effect of heat treatment of carbon-dispersed platinum and platinum alloys on its methanol tolerance and catalytic activity as gas diffusion electrodes for oxygen reduction reaction (ORR) in acid medium.
C Lamy, CJ Tseng, CWB Bezerra, H Yang, H Yang, HA Gasteiger, JRC Salgado, KL Hsueh, L Xiong, L Xiong, LGRA Santos, M Neergat, S Mukerjee, T Maiyalagan, V Baglio, V Baglio, V Baglio, WZ Li, X Zhao, Y Bing   +19 more
core   +1 more source

Metal-free carbon-nitrogen@carbon-type hybrid electrocatalysts for peroxide-producing oxygen reduction reaction

Carbon Future
Hydrogen peroxide (H2O2) is a widely utilized chemical in environmental cleaning, medical disinfection, and chemical engineering. Compared to the traditional anthraquinone oxidation method, the electrocatalytic oxygen reduction reaction (ORR) has become ...
Bin Wu, Dulce M. Morales, Mingren Liu, Dongjiu Xie, Ping Feng, Yan Lu, Marcel Risch, Martin Oschatz, Tristan Petit   +8 more
doaj   +1 more source