Y
Yunhu Han
Researcher at Tsinghua University
Publications - 19
Citations - 2332
Yunhu Han is an academic researcher from Tsinghua University. The author has contributed to research in topics: Catalysis & Chemistry. The author has an hindex of 11, co-authored 12 publications receiving 1322 citations. Previous affiliations of Yunhu Han include Northwestern Polytechnical University.
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Journal ArticleDOI
Hollow N-Doped Carbon Spheres with Isolated Cobalt Single Atomic Sites: Superior Electrocatalysts for Oxygen Reduction.
Yunhu Han,Yang-Gang Wang,Wenxing Chen,Ruirui Xu,Lirong Zheng,Jian Zhang,Jun Luo,Rongan Shen,Youqi Zhu,Weng-Chon Cheong,Chen Chen,Qing Peng,Dingsheng Wang,Yadong Li +13 more
TL;DR: A template-assisted pyrolysis (TAP) method is developed to obtain a unique Co catalyst with isolated single atomic sites anchored on hollow N-doped carbon spheres (ISAS-Co/HNCS).
Journal ArticleDOI
Electronic structure engineering to boost oxygen reduction activity by controlling the coordination of the central metal
Yunhu Han,Yang-Gang Wang,Ruirui Xu,Wenxing Chen,Lirong Zheng,Aijuan Han,Youqi Zhu,Jian Zhang,Huabin Zhang,Jun Luo,Chen Chen,Qing Peng,Dingsheng Wang,Yadong Li +13 more
TL;DR: In this article, an atomically dispersed catalyst (FeCl1N4/CNS) was reported, which realized for the first time a great improvement of the ORR by controlling the electronic structure of the central metal with a coordinated chlorine.
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A Polymer Encapsulation Strategy to Synthesize Porous Nitrogen-Doped Carbon-Nanosphere-Supported Metal Isolated-Single-Atomic-Site Catalysts.
Aijuan Han,Wenxing Chen,Shaolong Zhang,Maolin Zhang,Yunhu Han,Jian Zhang,Shufang Ji,Lirong Zheng,Yu Wang,Lin Gu,Chen Chen,Qing Peng,Dingsheng Wang,Yadong Li +13 more
TL;DR: The Co-ISAS/p-CN nanospheres obtained using this method show comparable electrochemical oxygen reduction activity to commercial Pt/C with 20 wt% Pt loading, superior methanol tolerance, and outstanding stability, even after 5000 cycles.
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Cobalt single atom site catalysts with ultrahigh metal loading for enhanced aerobic oxidation of ethylbenzene
Yu Xiong,Yu Xiong,Wenming Sun,Yunhu Han,Pingyu Xin,Xusheng Zheng,Wensheng Yan,Juncai Dong,Jian Zhang,Dingsheng Wang,Yadong Li +10 more
TL;DR: In this article, a cobalt single atom site catalysts (Co SACs) with high metal loading of 23.58 wt.% supported on carbon nitride (CN), which showed excellent catalytic properties for oxidation of ethylbenzene in air.
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A cocoon silk chemistry strategy to ultrathin N-doped carbon nanosheet with metal single-site catalysts.
Youqi Zhu,Wenming Sun,Jun Luo,Wenxing Chen,Tai Cao,Lirong Zheng,Juncai Dong,Jian Zhang,Maolin Zhang,Yunhu Han,Chen Chen,Qing Peng,Dingsheng Wang,Yadong Li +13 more
TL;DR: A cocoon silk chemistry strategy to synthesize isolated metal single-site catalysts embedded in ultrathin 2D porous N-doped carbon nanosheets with high activity in the direct catalytic oxidation of benzene to phenol with hydrogen peroxide at room temperature.