Blar i NTNU Open på forfatter "Ji, Shan"
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A Highly-Efficient and Stable Catalyst based on Co(OH)2@Ni Electroplated on Cu-Metallized Cotton Textile for Water Splitting
Wang, Zining; Ji, Shan; Liu, Fusheng; Wang, Hui; Wang, Xuyun; Wang, Qizhao; Pollet, Bruno; Wang, Rongfang (Journal article; Peer reviewed, 2019)The concept of using renewable energy to power water electrolyzers is seen as a favorable approach for the production of green and sustainable hydrogen. The electrochemical water splitting can be significantly and efficiently ... -
Achieving highly practical capacitance of MnO2 by using chain-like CoB alloy as support
Yan, Jingjing; Wang, Hui; Ji, Shan; Pollet, Bruno; Wang, Rongfang (Journal article; Peer reviewed, 2018)The practical performance of MnO2 as a capacitor material is limited mainly by its poor electronic conductivity. Arranging MnO2 on the conductive backbone to form a unique hierarchical nanostructure is an efficient way to ... -
Co3O4/CuMoO4 Hybrid Microflowers Composed of Nanorods with Rich Particle Boundaries as a Highly Active Catalyst for Ammonia Borane Hydrolysis
Lu, Dongsheng; Liao, Jinyun; Li, Hao; Ji, Shan; Pollet, Bruno (Journal article; Peer reviewed, 2019)Dehydrogenation of ammonia borane (AB) is a promising approach for the production and use of hydrogen for industrial and fuel cell applications. The development of low-cost and highly active catalysts is critical for these ... -
CuO–NiO/Co3O4 hybrid nanoplates as highly active catalyst for ammonia borane hydrolysis
Liao, Jinyun; Feng, Yufa; Lin, Weimin; Su, Xinlong; Ji, Shan; Li, Liling; Zhang, Wanling; Pollet, Bruno; Li, Hao (Peer reviewed; Journal article, 2020)Dehydrogenation of hydrogen-rich chemicals, such as ammonia borane (AB), is a promising way to produce hydrogen for mobile fuel cell power systems. However, the practical application has been impeded due to the high cost ... -
Engineered porous Ni2P-nanoparticle/Ni2P-nanosheet arrays via the Kirkendall effect and Ostwald ripening towards efficient overall water splitting
Wu, Yutai; Wang, Hui; Ji, Shan; Pollet, Bruno; Wang, Xuyun; Wang, Rongfang (Peer reviewed; Journal article, 2020)Transitional metal phosphides with array-like structure grown on conductive support materials are promising bifunctional catalysts for the oxygen evolution reaction (OER) and hydrogen evolution reaction (HER). In this ... -
Enhanced Cycleability of Amorphous MnO2 by Covering on α-MnO2 Needles in an Electrochemical Capacitor
Liu, Quanbing; Ji, Shan; Yang, Juan; Wang, Hui; Pollet, Bruno; Wang, Rongfang (Journal article; Peer reviewed, 2017)An allomorph MnO2@MnO2 core-shell nanostructure was developed via a two-step aqueous reaction method. The data analysis of Scanning Electron Microscopy, Transmission Electron Microscopy, X-Ray Diffraction and N2 ... -
Hierarchical core-shell structured CoNi2S4/Ni3S2@Ni(OH)2 nanosheet arrays as electrode for electrochemical energy storage
Chen, Fangshuai; Wang, Hui; Ji, Shan; Pollet, Bruno; Wang, Rongfang (Journal article; Peer reviewed, 2019)Herein, hierarchical core-shell structured CoNi2S4/Ni3S2@Ni(OH)2 nanosheet arrays are synthesized through a facile method. The electrochemical results show that combining CoNi2S4/Ni3S2 nanosheet arrays (as core) with Ni(OH)2 ... -
Highly active porous Co–B nanoalloy synthesized on liquid-gas interface for hydrolysis of sodium borohydride
Wang, Xingpu; Liao, Jinyun; Li, Hao; Wang, Hui; Wang, Rongfang; Pollet, Bruno; Ji, Shan (Journal article; Peer reviewed, 2018)Porous Co–B nanoalloy is a low-cost and highly active catalyst towards the hydrolysis of sodium borohydride (NaBH4). In this study, a facile and room-temperature hydrogen bubble-assisted method was developed to prepare ... -
A highly efficient water electrolyser cell assembled by asymmetric array electrodes based on Co, Fe-doped Ni(OH)2 nanosheets
Wu, Yutai; Ji, Shan; Pollet, Bruno; Wang, Xuyun; Wang, Rongfang (Peer reviewed; Journal article, 2020)Hydrogen is an “ideal” clean sustainable energy source if it is produced via water electrolyser using power generated by renewable energy systems (RES) such as solar panels and wind turbines. In this study, cobalt (Co) and ... -
Hollow core-shell structured Cu2O@Cu1.8S spheres as novel electrode for enzyme free glucose sensing
Cao, Miaomiao; Wang, Hui; Ji, Shan; Zhao, Qian; Pollet, Bruno; Wang, Rongfang (Journal article; Peer reviewed, 2019)This study reports a novel hollow Cu2O@Cu1.8S material used as a catalyst for enzyme free glucose detection. Cu2O@Cu1.8S is successfully synthesized by a facile in-situ growth method. The obtained Cu2O@Cu1.8S exhibits a ... -
Mesoporous CoS/ N‐doped Carbon as HER and ORR Bifunctional Electrocatalyst for Water Electrolysers and Zinc‐Air Batteries
Ding, Jieting; Ji, Shan; Wang, Hui; Pollet, Bruno; Wang, Rongfang (Journal article; Peer reviewed, 2018)Hydrogen evolution reaction (HER) and oxygen reduction reaction (ORR) are two critical electrocatalytic reactions, involved in many sustainable and green electrochemical energy conversion and storage technologies. Transition ... -
MnO/N-doped Mesoporous Carbon as Advanced Oxygen Reduction Reaction Electrocatalyst for Zinc-air Batteries
Ding, Jieting; Ji, Shan; Wang, Hui; Brett, Dan J L; Pollet, Bruno; Wang, Rongfang (Journal article; Peer reviewed, 2018)The development of alternative electrocatalysts exhibiting high activity in the oxygen reduction reaction (ORR) is vital for the deployment of large‐scale clean energy devices, such as fuel cells and zinc–air batteries. ... -
MOF derived graphitic carbon nitride/oxygen vacancies-rich zinc oxide nanocomposites with enhanced supercapacitive performance
Shen, Jiaqi; Wang, Peng; Jiang, Huasheng; Wang, Hui; Pollet, Bruno; Wang, Rongfang; Ji, Shan (Peer reviewed; Journal article, 2020)Supercapacitors with high power density and durability have shown enormous potential for smart electronics. Herein, a novel graphitic carbon nitride (g-C3N4) coated with oxygen vacancies-rich ZnO (OZCN) nanocomposites was ... -
Multidimensional regulation of Ni3S2@Co(OH)2 catalyst with high performance for wind energy electrolytic water
Wang, Zining; Wang, Hui; Ji, Shan; Wang, Xuyun; Pollet, Bruno; Wang, Rongfang (Journal article; Peer reviewed, 2019)Combining renewable energy technologies with water electrolyzers to produce green hydrogen should provide a very promising strategy for future sustainable and pollution-free energy supply. In this study, 3-D Ni3S2@Co(OH)2 ... -
N-doped porous transition metal-based carbon nanosheet networks as multifunctional electrocatalyst for rechargeable zinc-air batteries
Ding, Jieting; Ji, Shan; Wang, Hui; Gai, Hengjun; Liu, Fusheng; Pollet, Bruno; Wang, Rongfang (Journal article; Peer reviewed, 2019)The development of cost-effective and highly efficient multi-functional oxygen reduction reaction and oxygen evolution reaction catalysts has attracted much research attention due to their great potential applications in ... -
Nano-engineering PdNi networks by voltammetric dealloying for ethanol oxidation
Ding, Jieting; Ji, Shan; Wang, Hui; Pollet, Bruno; Wang, Rongfang (Journal article; Peer reviewed, 2018)PdNi particle networks (PdNi NN) are prepared by voltammetric dealloying using catkin-like PdNi nanoparticles as precursor. It is found that voltammetric dealloying plays an important role for the formation of these networks. ... -
Self-standing heterostructured NiCx-NiFe-NC/biochar as a highly efficient cathode for lithium–oxygen batteries
Jing, Shengyu; Gong, Xu; Ji, Shan; Jia, Linhui; Pollet, Bruno; Yan, Sheng; Liang, Huagen (Peer reviewed; Journal article, 2020)Lithium–oxygen batteries have attracted research attention due to their low cost and high theoretical capacity. Developing inexpensive and highly efficient cathode materials without using noble metal-based catalysts is ... -
Tailoring nanopores within nanoparticles of PtCo networks as catalysts for methanol oxidation reaction
Ding, Jieting; Ji, Shan; Wang, Hui; Pollet, Bruno; Wang, Rongfang (Journal article; Peer reviewed, 2017)It has been recently reported that engineering the pores within alloy nanoparticles leads to improvement in the electrochemical activity of nanoparticle catalysts due to the enhanced electrochemical active surface areas. ... -
Three-dimensional hierarchical walnut kernel shape conducting polymer as water soluble binder for lithium-ion battery
Ma, Xianguo; Zou, Shuliang; Tang, Anjiang; Chen, Lijun; Deng, Zhengua; Pollet, Bruno; Ji, Shan (Journal article; Peer reviewed, 2018)Hierarchical nanostructures containing three-dimensional (3D) spheres are promising materials due to their unique physicochemical characteristics. In this study, a 3D hierarchical walnut kernel shape conducting polymer ... -
Toward high performance of zinc-air battery using hydrophobic carbon foam-based diffusion electrode
Chen, Yimai; Wang, Hui; Ji, Shan; Pollet, Bruno; Wang, Rongfang (Journal article; Peer reviewed, 2018)NaCl is used as template to form porous carbon during the carbonization procedure. It is found that the NaCl amount played an important role in the physical properties of hydrophobic carbon materials. When the current ...