Results 1 to 10 of about 1,194,568 (216)

A High Efficiency Aluminum-Ion Battery Using an AlCl3-Urea Ionic Liquid Analogue Electrolyte [PDF]

Proceedings of the National Academy of Sciences of the United States of America, 2016
In recent years, impressive advances in harvesting renewable energy have led to pressing demand for the complimentary energy storage technology. Here, a high coulombic efficiency (~ 99.7%) Al battery is developed using earth-abundant aluminum as the ...
Angell, Michael, Dai, Hongjie, Hwang, BingJoe, Lin, Meng-Chang, Pan, Chun-Jern, Rong, Youmin, Yuan, Chunze   +6 more
core   +3 more sources

Urea-induced denaturation of PreQ1-riboswitch [PDF]

J. Am. Chem. Soc. 2013, 2013
Urea, a polar molecule with a large dipole moment, not only destabilizes the folded RNA structures, but can also enhance the folding rates of large ribozymes.
Hyeon, Changbong, Thirumalai, D., Yoon, Jeseong   +2 more
core   +3 more sources

Boosting urea electrooxidation on oxyanion-engineered nickel sites via inhibited water oxidation

Nature Communications, 2023
Renewable energy-based electrocatalytic oxidation of organic nucleophiles (e.g.methanol, urea, and amine) are more thermodynamically favourable and, economically attractive to replace conventional pure water electrooxidation in electrolyser to produce ...
Xintong Gao, Xiaowan Bai, Pengtang Wang, Y. Jiao, K. Davey, Yao Zheng, Shi‐Zhang Qiao   +6 more
semanticscholar   +1 more source

Efficient urea electrosynthesis from carbon dioxide and nitrate via alternating Cu–W bimetallic C–N coupling sites

Nature Communications, 2023
Electrocatalytic urea synthesis is an emerging alternative technology to the traditional energy-intensive industrial urea synthesis protocol. Novel strategies are urgently needed to promote the electrocatalytic C–N coupling process and inhibit the side ...
Yilong Zhao, Yunxuan Ding, Wenlong Li, Chang Liu, Yingzheng Li, Ziqi Zhao, Yuchao Shan, Fei Li, Licheng Sun, Fusheng Li   +9 more
semanticscholar   +1 more source

Identifying and tailoring C–N coupling site for efficient urea synthesis over diatomic Fe–Ni catalyst

Nature Communications, 2022
Electrocatalytic urea synthesis emerged as the promising alternative of Haber–Bosch process and industrial urea synthetic protocol. Here, we report that a diatomic catalyst with bonded Fe–Ni pairs can significantly improve the efficiency of ...
Xiaoran Zhang, Xiaorong Zhu, Shuowen Bo, Chen Chen, Mengyi Qiu, Xiaoxiao Wei, Nihan He, C. Xie, Wei Chen, Jianyun Zheng, Pinsong Chen, S. Jiang, Yafei Li, Qinghua Liu, Shuangyin Wang   +14 more
semanticscholar   +1 more source

Nickel ferrocyanide as a high-performance urea oxidation electrocatalyst

Nature Energy, 2021
Urea is often present in waste water but can be used in powering fuel cells and as an alternative oxidation substrate to water in an electrolyser.
Shixian Geng, Yao Zheng, Shan Li, Hui Su, Xu Zhao, Jun Hu, Hai-Bo Shu, M. Jaroniec, Ping Chen, Qinghua Liu, S. Qiao   +10 more
semanticscholar   +1 more source

Tuning the Coordination Structure of CuNC Single Atom Catalysts for Simultaneous Electrochemical Reduction of CO2 and NO3– to Urea

Advanced Energy Materials, 2022
Closing both the carbon and nitrogen loops is a critical venture to support the establishment of the circular, net‐zero carbon economy. Although single atom catalysts (SACs) have gained interest for the electrochemical reduction reactions of both carbon ...
Joshua Leverett, Thành Trần-Phú, Jodie A. Yuwono, Priyank V. Kumar, Changmin Kim, Qingfeng Zhai, Chen Han, Jiangtao Qu, J. Cairney, A. Simonov, R. Hocking, Liming Dai, Rahman Daiyan, R. Amal   +13 more
semanticscholar   +1 more source

Ambient Electrosynthesis of Urea with Nitrate and Carbon Dioxide over Iron‐Based Dual‐Sites

Angewandte Chemie, 2022
The development of efficient electrocatalysts to generate key *NH2 and *CO intermediates is crucial for ambient urea electrosynthesis with nitrate (NO3 −) and carbon dioxide (CO2).
Jing Geng, Sihan Ji, Meng Jin, Chao Zhang, Min Xu, Guozhong Wang, C. Liang, Haimin Zhang   +7 more
semanticscholar   +1 more source

N-Sulfinylpyrrolidine-containing ureas and thioureas as bifunctional organocatalysts

Beilstein Journal of Organic Chemistry, 2021
The synthesis of bifunctional N-sulfinylureas and thioureas with an appended pyrrolidine unit is presented. These organocatalysts were evaluated in Michael additions of aldehydes to nitroalkenes both under solvent-free conditions and in solution.
Viera Poláčková, Dominika Krištofíková, Boglárka Némethová, Renata Górová, Mária Mečiarová, Radovan Šebesta   +5 more
doaj   +1 more source

Preparation of High-Performance Enteromorpha Prolifera–Based Porous Carbons by Nitrogen Modification and Their Electrochemical Performance

Frontiers in Energy Research, 2021
This study presents a novel method to improve the electrochemical performance of porous carbons (PCs) by simply adjusting the elemental composition of their precursors with nitrogen-rich materials as additives.
Ming Li, Kuihua Han, Zhaocai Teng, Meimei Wang, Yang Cao, Xian Li   +5 more
doaj   +1 more source