Results 61 to 70 of about 28,718 (310)

Novel mixed heterovalent (Mo/Co)Ox-zerovalent Cu system as bi-functional electrocatalyst for overall water splitting

Scientific Reports
A novel hybrid ternary metallic electrocatalyst of amorphous Mo/Co oxides and crystallized Cu metal was deposited over Ni foam using a one-pot, simple, and scalable solvothermal technique.
Ahmed R. Tartour, Moustafa M. S. Sanad, Ibrahim S. El-Hallag, Youssef I. Moharram   +3 more
doaj   +1 more source

Highly porous interconnected MoP decorated graphene oxide as remarkably efficient electrocatalyst

Heliyon, 2023
Hydrogen (H2) production through water splitting has less viable applications due to the unfavourable kinetics of the reaction. Electrocatalysts with a robust structure, high levels of catalytic activity, and a high degree of stability are in high demand
Rafiq Khosa, Erum Pervaiz, Uzair Abdullah, Umair Sohail   +3 more
doaj   +1 more source

A Molecular Cu Electrocatalyst Escalates Ambient Perfluorooctanoic Acid Degradation [PDF]

, 2023
Groundwater reservoirs contaminated with per- and polyfluoroalkyl substances (PFASs) need purifying remedies. Perfluorooctanoic acid (PFOA) is the most abundant PFAS in drinking water. Although different degradation strategies for PFOA have been explored,
Soumalya, Sinha, Jianbing, Jiang, Rajeev, Gautam, Ashwin, Chaturvedi   +3 more
core   +2 more sources

Beyond Presumptions: Toward Mechanistic Clarity in Metal‐Free Carbon Catalysts for Electrochemical H2O2 Production via Data Science

Advanced Materials, EarlyView.
Metal‐free carbon catalysts enable the sustainable synthesis of hydrogen peroxide via two‐electron oxygen reduction; however, active site complexity continues to hinder reliable interpretation. This review critiques correlation‐based approaches and highlights the importance of orthogonal experimental designs, standardized catalyst passports ...
Dayu Zhu, Hsi‐wen Wu, Xiao Wang, Jie Zhang   +3 more
wiley   +1 more source

Electrodeposition: An efficient method to fabricate self‐supported electrodes for electrochemical energy conversion systems

Exploration, 2022
The development of electrocatalysts for energy conversion systems is essential for alleviating environmental problems and producing useful energy sources as alternatives to fossil fuels.
Junhyeong Kim, Hyunki Kim, Gyeong Ho Han, Seokjin Hong, Juhae Park, Junbeom Bang, Soo Young Kim, Sang Hyun Ahn   +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

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

2D Co‐Mo‐Hydroxide‐Based Multifunctional Material for the Development of H2‐Based Clean Energy Technologies

Advanced Materials, EarlyView.
2D α‐Co(OH)2 interleaved with Mo species displays an appealing dual functionality for the production and use of green hydrogen.Mo incorporation greatly benefits the electrochemical behaviour in Oxygen Evolution Reaction for H2 production, while the magnetocaloric response at liquid H2 temperature paves the way for alternative cryogenic refrigerants ...
Daniel Muñoz‐Gil, Celia Castillo‐Blas, Dawid Krystian Feler, Isabel Gómez‐Recio, Miguel Tinoco, Ana Querejeta‐Fernández, Rodrigo González‐Prieto, Felipe Gándara, Romualdo Santos Silva Jr, Pilar Ferrer, Carlos Prieto, Luc Lajaunie, José Luis Martinez‐Peña, María Luisa Ruiz‐González, José María González‐Calbet   +14 more
wiley   +1 more source

Enhanced oxygen reduction with single-atomic-site iron catalysts for a zinc-air battery and hydrogen-air fuel cell

Nature Communications, 2018
Development of fuel cells and metal-air batteries is hindered by electrocatalyst performance, which can be enhanced with uniform and atomically dispersed active sites. Here the authors report an iron-based electrocatalyst for oxygen reduction in cathodes
Yuanjun Chen, Shufang Ji, Shu Zhao, Wenxing Chen, Juncai Dong, Weng-Chon Cheong, Rongan Shen, Xiaodong Wen, Lirong Zheng, Alexandre I. Rykov, Shichang Cai, Haolin Tang, Zhongbin Zhuang, Chen Chen, Qing Peng, Dingsheng Wang, Yadong Li   +16 more
doaj   +1 more source

The stability of a PtRu/C electrocatalyst at anode potentials in a direct methanol fuel cell

, 2006
Potential-scan tests were conducted to evaluate the stability of a PtRu/C electrocatalyst at anode potentials in a direct methanol fuel cell (DMFC). The results show that, under normal operating conditions, the anode potential in a DMFC is benign for the
Chen, Weimin, Wang, Guoxiong, Xin, Qin, Sun, Gongquan, 辛勤, Mao, Qing, Liang, Zhenxing, Pak, Chanho, Chang, Hyuk, Seung, Doyoung, Li, Huanqiao   +10 more
core   +1 more source