Results 61 to 70 of about 31,784 (298)

Preparation of PtSn/C-Rh and PtSn/C-CeO2 for Ethanol Electro-Oxidation

International Journal of Electrochemical Science, 2010
PtSn/CeO2–C electrocatalyst and PtSn/Rh-C were prepared in a two step. In the first step a Carbon Vulcan XC72 + 15%CeO2 and Vulcan XC72 + 15%Rh supports were prepared using a modified polymeric precursor method under controlled synthesis conditions.
Rodrigo Fernando Brambilla De Souza, Marcelo Marques Tusi, Michele Brandalise, Ricardo Rodrigues Dias, Marcelo Linardi, Estevam Vitorio Spinacé, Mauro Coelho dos Santos, Almir Oliveira Neto   +7 more
doaj   +1 more source

Electrocatalyst

, 2019
The Haber‐Bosch process can be replaced by the ambient electrocatalytic N2 reduction reaction (NRR) to produce NH3 if suitable electrocatalysts can be developed.
Qizhong Xiong, Zhao, Huijun, Han, Miaomiao, Wanbing Gong, Haimin Zhang, Zhang, Shengbo, Cuijiao Zhao, Zhao, Cuijiao, Yanyan Liu, Miaomiao Han, Guozhong Wang, Gong, Wanbing, Zhang, Haimin, Huijun Zhao, Wang, Guozhong, Liu, Yanyan, Shengbo Zhang, Xiong, Qizhong   +17 more
core   +1 more source

Reduction Reaction Electrocatalyst

, 2023
Electrochemical CO2 reduction reaction (CO2RR) is an important process which is a potential way to recycle excessive CO2 in the atmosphere. Although the electrocatalyst is the key toward efficient CO2RR, the progress of discovering effective catalysts is
Wei Zhang, Liu, Chuntai, Hu, Erhai, Zhang, Wei, Yan, Qingyu, Erhai Hu, Chuntai Liu, Qingyu Yan   +7 more
core   +1 more source

Optimizing NiMo Electrocatalyst Coatings for Hydrogen Evolution in Alkaline Electrolysis With The Machine Learning‐Guided Autonomous Platform CatBot

Advanced Functional Materials, EarlyView.
This work presents a closed‐loop optimization workflow integrating CatBot, an automated synthesis and testing system, to discover NiMo hydrogen‐evolution catalysts. CatBot synthesised and evaluated 228 unique samples, identifying the best performing catalysts for transfer to nickel‐foam electrodes. The best candidate is highly active, reaching 1 Acm−2${
Paolo Vincenzo Freiesleben de Blasio, Jonas Elsborg, Elif Coşkun, Andreas Burger, Pradipkumar Manubhai Leuaa, Thu Pham Anh Phan, Jin Hyun Chang, Christodoulos Chatzichristodoulou   +7 more
wiley   +1 more source

Fine‐tuning electronic structure of N‐doped graphitic carbon‐supported Co‐ and Fe‐incorporated Mo2C to achieve ultrahigh electrochemical water oxidation activity

Carbon Energy
Mo2C is an excellent electrocatalyst for hydrogen evolution reaction (HER). However, Mo2C is a poor electrocatalyst for oxygen evolution reaction (OER).
Md. Selim Arif Sher Shah, Hyeonjung Jung, Vinod K. Paidi, Kug‐Seung Lee, Jeong Woo Han, Jong Hyeok Park   +5 more
doaj   +1 more source

Metal-free, active nitrogen-enriched, efficient bifunctional oxygen electrocatalyst for ultrastable zinc-air batteries

, 2020
The availability of efficient, low-cost and durable oxygen electrocatalyst for oxygen reduction reaction (ORR) and oxygen evolution reaction (OER) is the prerequisites for large-scale,practical application of rechargeable zinc (Zn)-air batteries.
Chen, Yanan, Wu, Weicui, Liu, Siliang, Zhao, Xiaoxian, Yang, Yu, Chen, Xin, Wang, Lei, Feng, Shouhua, Yin, Huajie, Fan, Kaicai, Zong, Lingbo, Liu, Chang, Wang, Fengmei   +12 more
core   +1 more source

Nitride MXenes Beyond Carbides: Bridging the Gap Between Computational Prediction and Experimental Realization

Advanced Functional Materials, EarlyView.
Nitride MXenes remain constrained by a persistent gap between computational prediction and experimental realization. This Review identifies the thermodynamic, kinetic, and chemical barriers limiting their synthesis, critically evaluates emerging fabrication routes, and proposes a multidimensional computational‐experimental framework to accelerate the ...
Naresh Varnakavi, Masoud Soroush
wiley   +1 more source

Performance optimization of impregnated oxygen electrodes for intermediate temperature symmetric metal-supported solid oxide cells [PDF]

Materials Advances
Cobaltites are a common oxygen electrode choice for high-performance metal-supported solid oxide fuel/electrolysis cells (MSOCs) operating in the intermediate temperature range of 650–750 °C.
Federico Capotondo, Adam Alemayehu, Noémie Schirpke, Matilde Castagna, Bhaskar Reddy Sudireddy, Anke Hagen   +5 more
doaj   +1 more source

Magneto‐Ionic Devices With Polymer‐Based Electrolytes

Advanced Functional Materials, EarlyView.
Polymer electrolytes are introduced for magneto‐ionic devices based on hydroxide and hydrogen ions. The magneto‐ionic effect results in a pronounced voltage‐controlled variation of coercivity in both devices. The switching speed is in the range of 100 ms.
Markus Gößler, Richard Weber, Michael Sommer, Karin Leistner   +3 more
wiley   +1 more source

Enhancing the hydrogen evolution reaction efficiency using Bio-MOF synthesized by the cuttlefish ink from Persian Gulf

Next Materials
The development of a high-performance electrocatalyst to produce hydrogen as a renewable energy source through water splitting is still a challenge. A bio-derived iron-based metal–organic framework (Bio-MOF) was synthesized using cuttlefish ink as a ...
Parvaneh Sayadi, Safieh Momeni, Yasamin Bayati, Maryam Tohidi, Sedigheh Zeinali   +4 more
doaj   +1 more source