Results 31 to 40 of about 46,098 (295)

Design of a Graphene Nitrene Two-Dimensional Catalyst Heterostructure Providing a Well-Defined Site Accommodating 1 to 3 Metals, with Application to CO₂ Reduction Electrocatalysis for the 2 Metal Case [PDF]

, 2020
Recently, the reduction of CO₂ to fuels has been the subject of numerous studies, but the selectivity and activity remain inadequate. Progress has been made on single-site two-dimensional catalysts based on graphene coupled to a metal and nitrogen for ...
Chen, Shiqian, Ge, Lei, Goddard, William A., III, Li, Li, Morozov, Sergey I., Xu, Lai, Yuan, Hao   +6 more
core   +1 more source

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

Graphene-Based Nanostructures in Electrocatalytic Oxygen Reduction

, 2018
Application of graphene-type materials in electrocatalysis is a topic of growing scientific and technological interest. A tremendous amount of research has been carried out in the field of oxygen electroreduction, particularly with respect to potential ...
Alammari, Allen, Cai, Chen, Conner, Farooque, Gong, Guo, Habibi, He, Huang, Ikeda, Jiang, Kim, Kimouche, Li, Li, Li, Liang, Lv, Ma, Ma, O’Hayre, Qu, Quesnel, Ramaswamy, Ren, Ruffieux, Saito, Shao, Sheng, Song, Tian, Wang, Wu, Wu, Yang, Yang, Zhang, Zhao, Zhao, Zheng, Zhong, Zhou, Zhu, Zoladek   +45 more
core   +1 more source

Nanowrinkled Carbon Aerogels Embedded with FeN x Sites as Effective Oxygen Electrodes for Rechargeable Zinc-Air Battery. [PDF]

, 2019
Rational design of single-metal atom sites in carbon substrates by a flexible strategy is highly desired for the preparation of high-performance catalysts for metal-air batteries.
Chen, Alan P, Chen, Shaowei, Chen, Yang, Davenport, John L, He, Ting, Liu, Min, Lu, Bingzhang, Mordaunt, Alexander, Pao, Chih-Wen, Ping, Yuan, Stram, Alexander, Sun, Zhifang, Velasco, Jairo, Wang, Yong, Zhang, Yaqiang, Zhang, Yi   +15 more
core   +1 more source

Fabrication of cylindrical diffusion-facilitated organic electrochemical transistor and its sweat glucose sensing application

Journal of Materials Science: Materials in Engineering
Organic electrochemical transistors (OECTs) have been widely tested used for biosensing applications due to high sensitivity, low operating potential, better signal-to-noise ratio and operation in aqueous medium. The electrochemical de-doping in OECTs is
Jamal Mohamed S., Sasi Karan Ramanujam Rajakumar, Murugasenapathi N. K., Tamilarasan Palanisamy   +3 more
doaj   +1 more source

Microbial electrocatalysis with Geobacter sulfurreducens biofilm on stainless steel cathodes [PDF]

, 2008
Stainless steel and graphite electrodes were individually addressed and polarized at−0.60V vs. Ag/AgCl in reactors filled with a growth medium that contained 25mM fumarate as the electron acceptor and no electron donor, in order to force the microbial ...
Afkar, Alain Bergel, Bergel, Bond, Claire Dumas, Gorby, Gregory, Gregory, He, Logan, Lopez-Lopez, Lovley, Lovley, Lovley, Methé, Myers, Park, Park, Reguera, Rhoads, Régine Basseguy, Seeliger   +21 more
core   +3 more sources

Electroactive Metal–Organic Frameworks for Electrocatalysis

Advanced Functional Materials, EarlyView.
Electrocatalysis is crucial in sustainable energy conversion as it enables efficient chemical transformations. The review discusses how metal–organic frameworks can revolutionize this field by offering tailorable structures and active site tunability, enabling efficient and selective electrocatalytic processes.
Irena Senkovska, Yutong Luo, Ruyan Zhao, Jianjun Zhang, Mingchao Wang, Xinliang Feng, Eike Brunner, Stefan Kaskel   +7 more
wiley   +1 more source

Influence of phase structure of MnO2 for enhancing the electrochemical sensitivity of environmental pollutant chlortetracycline

Next Materials
Electrochemical sensing of chlortetracycline (CTC) using α and β- MnO2 nanowires has been studied. The influence of different phase structures (α and β) of MnO2 nanowires on the determination of chlortetracycline (CTC) was studied systematically.
P. Sampathkumar, M. Sindhu Monica, K. Giribabu, C. Suresh   +3 more
doaj   +1 more source

Electrocatalysis on Pt/YSZ electrodes [PDF]

, 2001
Electrochemical polarization of porous metal electrodes on solid electrolytes often leads to an increase of their catalytic activity in heterogeneous reactions.
Imbihl, R., Janek, Jürgen, Luerssen, Bjoern   +2 more
core   +1 more source

Auto‐Generated Valence States in Electrocatalysts for Boosting Oxygen and Hydrogen Evolution Kinetics in Alkaline Water/Alkaline Seawater/Simulated Seawater/Natural Seawater

Advanced Functional Materials, EarlyView.
This review systematically highlights the latest achievements in mixed‐valence states relevant to hydrogen and oxygen evolution reactions, providing essential insights into future directions and methods for large‐scale practical implementation. This critical review is expected to provide an overview of recent advancements in diverse valence‐state metal
Jitendra N. Tiwari, Gokul Bhaskaran, Krishan Kumar, Yun Suk Huh, Young‐Kyu Han   +4 more
wiley   +1 more source