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224 results on '"Li, Guangshi"'

11. A Sustainable Molten Salt Leaching-Electrodeposition Route Toward Converting Rice Husks into Functional Silicon Nanowires and Porous Carbon

Author

Pang, Zhongya, primary, Xiong, Xiaolu, additional, Tian, Feng, additional, Zhang, Xueqiang, additional, Wang, Fei, additional, Xia, Xuewen, additional, Li, Guangshi, additional, Sun, Chenteng, additional, Wang, Shujuan, additional, Yu, Xing, additional, Xu, Qian, additional, Zou, Xingli, additional, and Lu, Xionggang, additional

Published
2024
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16. Synchronous Extraction of Valuable Metals from Low-Nickel Matte Using Ammonium Sulfate Roasting-Water Leaching Process

Author

Sun, Qiangchao, Cheng, Hongwei, Zhang, Qiang, Li, Guangshi, Xu, Qian, Lu, Xionggang, Li, Jian, editor, Zhang, Mingming, editor, Li, Bowen, editor, Monteiro, Sergio Neves, editor, Ikhmayies, Shadia, editor, Kalay, Yunus Eren, editor, Hwang, Jiann-Yang, editor, Escobedo-Diaz, Juan P., editor, Carpenter, John S., editor, Brown, Andrew D., editor, Soman, Rajiv, editor, and Moser, Alex, editor

Published
2021
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19. Electrochemical fabrication of multi-crystalline-amorphous heterogeneous single-atom electrocatalysts for alkaline oxygen evolution reaction.

Author

Zhang, Qi, Pan, Peiyao, Xia, Xuewen, Wang, Shujuan, Pang, Zhongya, Li, Guangshi, Ji, Li, Yu, Xing, Lu, Xionggang, and Zou, Xingli

Abstract

Constructing multiple nanosized heterogeneous structures with an in situ optimized coordination environment for dispersing and stabilizing noble metal single atoms (SAs) is a highly effective strategy for high-efficiency utilization of SAs and improving the electrocatalytic performances of the oxygen evolution reaction (OER). Herein, a multi-crystalline-amorphous heterogeneous composite (CoP2@CN–Ir(200)) composed of crystalline CoP2, amorphous CoOx and amorphous N-doped carbon was constructed for in situ loading of Ir SAs by cyclic voltammetry (CV) electrodeposition in an ionic liquid. By precisely controlling the electrodeposition cycles, the loading matrix of Ir SAs was simultaneously reconstructed and optimized. Some of the crystalline CoP2 is transformed into amorphous CoOx with activated high-valence Co; a coordination environment toward oxygenated species is built with more lattice oxygen and stronger adsorption ability of oxygen; the abundant heterointerfaces and the enhancement of the oxidation state disperse and stabilize Ir atoms in the form of OER-favorable high-valence Ir3+/Ir4+ by covalent Ir–O bonds (including Ir–O–Co bonds). As a result, abundant active sites with high intrinsic activity are exposed, and an accelerated charge transfer rate can be achieved, endowing CoP2@CN–Ir(200) with an outstanding electrocatalytic activity. Ultralow overpotentials of 189 and 300 mV at 10 and 100 mA cm−2, respectively, are achieved with a small Tafel slope of 36.9 mV dec−1, surpassing most reported remarkable Ir-related catalysts. [ABSTRACT FROM AUTHOR]

Published
2024
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20. One‐step Synthesis of Organic Terminal 2D Ti3C2Tx MXene Nanosheets by Etching of Ti3AlC2 in an Organic Lewis Acid Solvent.

Author

Wang, Fei, Tian, Feng, Xia, Xuewen, Pang, Zhongya, Wang, Shujuan, Yu, Xing, Li, Guangshi, Zhao, Yufeng, Xu, Qian, Hu, Shen, Ji, Li, Zou, Xingli, and Lu, Xionggang

Subjects
LEWIS acids, HYDROGEN evolution reactions, TRANSITION metal nitrides, ORGANIC acids, ORGANIC synthesis, METHYL triflate
Abstract

The surface and interface chemistry are critical for controlling the properties of two‐dimensional transition metal carbides and nitrides (MXenes). Numerous efforts have been devoted to the functionalization of MXenes with small inorganic ligands; however, few etching methods have been reported on the direct bonding of organic groups to MXene surfaces. In this work, we demonstrated an efficient and rapid strategy for the direct synthesis of 2D Ti3C2Tx MXene nanosheets with organic terminal groups in an organic Lewis acid (trifluoromethanesulfonic acid) solvent, without introducing additional intercalations. The dissolution of aluminum and the subsequent in situ introduction of trifluoromethanesulfonic acid resulted in the extraction of Ti3C2Tx MXene (T=CF3SO3−) (denoted as CF3SO3H−Ti3C2Tx) flakes with sizes reaching 15 μm and high productivity (over 70 %) of monolayers or few layers. More importantly, the large CF3SO3H−Ti3C2Tx MXene nanosheets had high colloidal stability, making them promising as efficient electrocatalysts for the hydrogen evolution reaction. [ABSTRACT FROM AUTHOR]

Published
2024
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24. Synthesis of Na2(Ni, Fe)(SO4)2 Cathode Materials from Nickel Sulfide Concentrate by Combined Pyro- and Hydrometallurgical Processes

Author

Li, Guangshi, Wei, Lizhen, Yu, Caixiang, Xiong, Xiaolu, Cheng, Hongwei, Xu, Qian, Lu, Xionggang, Peng, Zhiwei, editor, Hwang, Jiann-Yang, editor, Downey, Jerome P., editor, Gregurek, Dean, editor, Zhao, Baojun, editor, Yücel, Onuralp, editor, Keskinkilic, Ender, editor, Jiang, Tao, editor, White, Jesse F., editor, and Mahmoud, Morsi Mohamed, editor

Published
2020
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37. Tailored Electrosynthesis of Highly Porous Ti3SiC2-Derived Carbon Anodes with Excellent Lithium Storage Properties

Author

Tian, Feng, primary, Pang, Zhongya, additional, Wang, Fei, additional, Nie, Wei, additional, Zhang, Xueqiang, additional, Chen, Shun, additional, Xu, Jianlin, additional, Li, Guangshi, additional, Chen, Chaoyi, additional, Xu, Qian, additional, Zhao, Yufeng, additional, Ji, Li, additional, Zou, Xingli, additional, and Lu, Xionggang, additional

Published
2023
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45. Mineralogical Analysis of Nickel/Copper Polymetallic Sulfide Ore by X-Ray Diffraction Using Rietveld Method

Author

Li, Guangshi, Cheng, Hongwei, Xu, Cong, Lu, Changyuan, Lu, Xionggang, Zou, Xingli, Xu, Qian, Ikhmayies, Shadia Jamil, editor, Li, Bowen, editor, Carpenter, John S., editor, Hwang, Jiann-Yang, editor, Monteiro, Sergio Neves, editor, Li, Jian, editor, Firrao, Donato, editor, Zhang, Mingming, editor, Peng, Zhiwei, editor, Escobedo-Diaz, Juan P., editor, and Bai, Chenguang, editor

Published
2016
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46. Phase Transformation and Element Migration in the Oxidation Process of Nickel-Copper Sulfide Ore

Author

Li, Guangshi, Cheng, Hongwei, Zou, Xingli, Lu, Xionggang, Lu, Changyuan, Wang, Dan, Zhou, Zhongfu, Xu, Qian, Carpenter, John S., editor, Bai, Chenguang, editor, Escobedo, Juan Pablo, editor, Hwang, Jiann-Yang, editor, Ikhmayies, Shadia, editor, Li, Bowen, editor, Li, Jian, editor, Monteiro, Sergio Neves, editor, Peng, Zhiwei, editor, and Zhang, Mingming, editor

Published
2016
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