Wenyao Chen
East China University of Science and Technology
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Publication
Featured researches published by Wenyao Chen.
Journal of the American Chemical Society | 2014
Wenyao Chen; Jian Ji; Xiang Feng; Xuezhi Duan; Gang Qian; Ping Li; Xinggui Zhou; De Chen; Wei-Kang Yuan
We report a size-dependent activity in Pt/CNT catalyzed hydrolytic dehydrogenation of ammonia borane. Kinetic study and model calculations revealed that Pt(111) facet is the dominating catalytically active surface. There is an optimized Pt particle size of ca. 1.8 nm. Meanwhile, the catalyst durability was found to be highly sensitive to the Pt particle size. The smaller Pt particles appear to have lower durability, which could be related to more significant adsorption of B-containing species on Pt surfaces as well as easier changes in Pt particle size and shape. The insights reported here may pave the way for the rational design of highly active and durable Pt catalysts for hydrogen generation.
Chemsuschem | 2015
Wenyao Chen; Xuezhi Duan; Gang Qian; De Chen; Xinggui Zhou
We report remarkable support effects for carbon nanotubes (CNTs) in the Pt/CNT-catalyzed hydrolytic dehydrogenation of ammonia borane. The origin of the support-dependent activity and durability is elucidated by combining the catalytic and durability testing with characterization by a range of spectroscopy and high-angle annular dark-field scanning transmission electron microscopy techniques and ICP analysis. The effects mainly arise from different electronic properties and different abilities for the adsorption of boron-containing species on platinum surfaces and changes in size and shape of the platinum particles during the reaction. Defect-rich CNTs in particular are a promising support material, as it not only enhances the platinum binding energy, leading to the highest hydrogen generation rate, but also inhibits the adsorption of boron-containing species and stabilizes the platinum nanoparticles to resist the agglomeration during the reaction, leading to the highest durability. The insights revealed herein may pave the way for the rational design of highly active and durable metal/carbon catalysts for the hydrolytic dehydrogenation of ammonia borane.
Chemical Communications | 2014
Wenyao Chen; Jian Ji; Xuezhi Duan; Gang Qian; Ping Li; Xinggui Zhou; De Chen; Wei-Kang Yuan
Aiche Journal | 2017
Wenyao Chen; Dali Li; Zijun Wang; Gang Qian; Zhijun Sui; Xuezhi Duan; Xinggui Zhou; Isaac Yeboah; De Chen
ACS Catalysis | 2017
Shangjun Chen; Li Meng; Bingxu Chen; Wenyao Chen; Xuezhi Duan; Xing Huang; Bingsen Zhang; Haibin Fu; Ying Wan
ACS Catalysis | 2018
Xiang Feng; Jia Yang; Xuezhi Duan; Yueqiang Cao; Bingxu Chen; Wenyao Chen; Dong Lin; Gang Qian; De Chen; Chaohe Yang; Xinggui Zhou
Journal of Catalysis | 2017
Wenyao Chen; Dali Li; Chong Peng; Gang Qian; Xuezhi Duan; De Chen; Xinggui Zhou
Industrial & Engineering Chemistry Research | 2016
Jiaqi Lei; Hua Dong; Xuezhi Duan; Wenyao Chen; Gang Qian; De Chen; Xinggui Zhou
Chemical Engineering Science | 2017
Wenyao Chen; Zijun Wang; Xuezhi Duan; Gang Qian; De Chen; Xinggui Zhou
Aiche Journal | 2017
Di Wang; Jian Ji; Bingxu Chen; Wenyao Chen; Gang Qian; Xuezhi Duan; Xinggui Zhou; Anders Holmen; De Chen; John C. Walmsley
Collaboration
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