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Li Q, Deng R, Chen Y, Gong J, Wang P, Zheng Q, Huo Y, Xie F, Wei X, Yang C, Lin D. Homologous Heterostructured NiS/NiS 2 @C Hollow Ultrathin Microspheres with Interfacial Electron Redistribution for High-Performance Sodium Storage. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2023; 19:e2303642. [PMID: 37323120 DOI: 10.1002/smll.202303642] [Citation(s) in RCA: 16] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/30/2023] [Indexed: 06/17/2023]
Abstract
Nickel sulfides with high theoretical capacity are considered as promising anode materials for sodium-ion batteries (SIBs); however, their intrinsic poor electric conductivity, large volume change during charging/discharging, and easy sulfur dissolution result in inferior electrochemical performance for sodium storage. Herein, a hierarchical hollow microsphere is assembled from heterostructured NiS/NiS2 nanoparticles confined by in situ carbon layer (H-NiS/NiS2 @C) via regulating the sulfidation temperature of the precursor Ni-MOFs. The morphology of ultrathin hollow spherical shells and confinement of in situ carbon layer to active materials provide rich channels for ion/electron transfer and alleviate the effects of volume change and agglomeration of the material. Consequently, the as-prepared H-NiS/NiS2 @C exhibit superb electrochemical properties, satisfactory initial specific capacity of 953.0 mA h g-1 at 0.1 A g-1 , excellent rate capability of 509.9 mA h g-1 at 2 A g-1 , and superior longtime cycling life with 433.4 mA h g-1 after 4500 cycles at 10 A g-1 . Density functional theory calculation shows that heterogenous interfaces with electron redistribution lead to charge transfer from NiS to NiS2 , and thus favor interfacial electron transport and reduce ion-diffusion barrier. This work provides an innovative idea for the synthesis of homologous heterostructures for high-efficiency SIB electrode materials.
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Affiliation(s)
- Qingping Li
- College of Chemistry and Materials Science, Sichuan Normal University, Chengdu, 610066, P. R. China
| | - Ransha Deng
- College of Chemistry and Materials Science, Sichuan Normal University, Chengdu, 610066, P. R. China
| | - Yuxiang Chen
- College of Chemistry and Materials Science, Sichuan Normal University, Chengdu, 610066, P. R. China
| | - Juan Gong
- College of Chemistry and Materials Science, Sichuan Normal University, Chengdu, 610066, P. R. China
| | - Peng Wang
- College of Chemistry and Materials Science, Sichuan Normal University, Chengdu, 610066, P. R. China
| | - Qiaoji Zheng
- College of Chemistry and Materials Science, Sichuan Normal University, Chengdu, 610066, P. R. China
| | - Yu Huo
- College of Chemistry and Materials Science, Sichuan Normal University, Chengdu, 610066, P. R. China
| | - Fengyu Xie
- College of Chemistry and Materials Science, Sichuan Normal University, Chengdu, 610066, P. R. China
| | - Xijun Wei
- State Key Laboratory of Environment-Friendly Energy Materials, School of Materials and Chemistry, Southwest University of Science and Technology, Mianyang, Sichuan, 621010, P. R. China
| | - Chenhui Yang
- School of Chemistry and Chemical Engineering, Northwestern Polytechnical University, Xi'an, Shanxi, 710129, P. R. China
| | - Dunmin Lin
- College of Chemistry and Materials Science, Sichuan Normal University, Chengdu, 610066, P. R. China
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Wu J, He J, Wang M, Li M, Zhao J, Li Z, Chen H, Li X, Li C, Chen X, Li X, Mai YW, Chen Y. Electrospun carbon-based nanomaterials for next-generation potassium batteries. Chem Commun (Camb) 2023; 59:2381-2398. [PMID: 36723354 DOI: 10.1039/d2cc06692k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Abstract
Rechargeable potassium (K) batteries that are of low cost, with high energy densities and long cycle lives have attracted tremendous interest in affordable and large-scale energy storage. However, the large size of the K-ion leads to sluggish reaction kinetics and causes a large volume variation during the ion insertion/extraction processes, thus hindering the utilization of active electrode materials, triggering a serious structural collapse, and deteriorating the cycling performance. Therefore, the exploration of suitable materials/hosts that can reversibly and sustainably accommodate K-ions and host K metals are urgently needed. Electrospun carbon-based materials have been extensively studied as electrode/host materials for rechargeable K batteries owing to their designable structures, tunable composition, hierarchical pores, high conductivity, large surface areas, and good flexibility. Here, we present the recent developments in electrospun CNF-based nanomaterials for various K batteries (e.g., K-ion batteries, K metal batteries, K-chalcogen batteries), including their fabrication methods, structural modulation, and electrochemical performance. This Feature Article is expected to offer guidelines for the rational design of novel electrospun electrodes for the next-generation K batteries.
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Affiliation(s)
- Junxiong Wu
- College of Environmental and Resource Sciences and College of Carbon Neutral Modern Industry, Fujian Normal University, Fuzhou 350000, Fujian, China.
| | - Jiabo He
- College of Environmental and Resource Sciences and College of Carbon Neutral Modern Industry, Fujian Normal University, Fuzhou 350000, Fujian, China.
| | - Manxi Wang
- College of Environmental and Resource Sciences and College of Carbon Neutral Modern Industry, Fujian Normal University, Fuzhou 350000, Fujian, China.
| | - Manxian Li
- College of Environmental and Resource Sciences and College of Carbon Neutral Modern Industry, Fujian Normal University, Fuzhou 350000, Fujian, China.
| | - Jingyue Zhao
- College of Environmental and Resource Sciences and College of Carbon Neutral Modern Industry, Fujian Normal University, Fuzhou 350000, Fujian, China.
| | - Zulin Li
- College of Environmental and Resource Sciences and College of Carbon Neutral Modern Industry, Fujian Normal University, Fuzhou 350000, Fujian, China.
| | - Hongyang Chen
- College of Environmental and Resource Sciences and College of Carbon Neutral Modern Industry, Fujian Normal University, Fuzhou 350000, Fujian, China.
| | - Xuan Li
- College of Environmental and Resource Sciences and College of Carbon Neutral Modern Industry, Fujian Normal University, Fuzhou 350000, Fujian, China.
| | - Chuanping Li
- College of Environmental and Resource Sciences and College of Carbon Neutral Modern Industry, Fujian Normal University, Fuzhou 350000, Fujian, China.
| | - Xiaochuan Chen
- College of Environmental and Resource Sciences and College of Carbon Neutral Modern Industry, Fujian Normal University, Fuzhou 350000, Fujian, China.
| | - Xiaoyan Li
- College of Environmental and Resource Sciences and College of Carbon Neutral Modern Industry, Fujian Normal University, Fuzhou 350000, Fujian, China.
| | - Yiu-Wing Mai
- Centre for Advanced Materials Technology (CAMT), School of Aerospace, Mechanical and Mechatronics Engineering J07, The University of Sydney, Sydney, NSW, 2006, Australia
| | - Yuming Chen
- College of Environmental and Resource Sciences and College of Carbon Neutral Modern Industry, Fujian Normal University, Fuzhou 350000, Fujian, China.
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Yuan F, Shi C, Li Y, Wang J, Zhang D, Wang W, Wang Q, Wang H, Li Z, Wang B. Rationally Tailoring Superstructured Hexahedron Composed of Defective Graphitic Nanosheets and Macropores: Realizing Durable and Fast Potassium Storage. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2023; 10:e2205234. [PMID: 36424184 PMCID: PMC9875633 DOI: 10.1002/advs.202205234] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/12/2022] [Revised: 10/22/2022] [Indexed: 06/16/2023]
Abstract
Multipores engineering composed of micro/mesopores is an effective strategy to improve potassium storage performance via providing enormous adsorption sites and shortened ions diffusion distance. However, a detailed exploration of the role played by macropores in potassium storage is still lacking and has been barely reported until now. Herein, a superstructure carbon hexahedron (DGN-900) is synthesized using poly tannic acid (PTA) as precursor. Due to the spatially confined two-step local contraction of PTA along different directions and dimensions during pyrolysis, defective nanosheets with macropores are formed, while realizing a balance between defects content and graphitization degree by regulating temperature. The presence of macropores is conducive to accelerating electrolyte ions rapid infiltration within electrode, and its pore volume can accommodate electrode structure fluctuation upon cycling, while the most suitable ratio of defects to graphitic provides rich ions adsorption sites and sufficient electrons transfer channels, simultaneously. These advantages enable a prominent electrochemical performance in DGN-900 electrode, including high rate (202.9 mAh g-1 at 2 A g-1 ) and long cycling stability over 2000 cycles. This unique fabrication strategy, that is, defects engineering coupled with macropores structure, makes fast and durable potassium storage possible.
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Affiliation(s)
- Fei Yuan
- Hebei Key Laboratory of Flexible Functional MaterialsSchool of Materials Science and EngineeringHebei University of Science and TechnologyShijiazhuang050000China
| | - Conghao Shi
- Hebei Key Laboratory of Flexible Functional MaterialsSchool of Materials Science and EngineeringHebei University of Science and TechnologyShijiazhuang050000China
| | - Yanan Li
- Hebei Key Laboratory of Flexible Functional MaterialsSchool of Materials Science and EngineeringHebei University of Science and TechnologyShijiazhuang050000China
| | - Jian Wang
- Hebei Key Laboratory of Flexible Functional MaterialsSchool of Materials Science and EngineeringHebei University of Science and TechnologyShijiazhuang050000China
| | - Di Zhang
- Hebei Key Laboratory of Flexible Functional MaterialsSchool of Materials Science and EngineeringHebei University of Science and TechnologyShijiazhuang050000China
| | - Wei Wang
- School of Metallurgical and Ecological EngineeringUniversity of Science and Technology BeijingBeijing100083China
| | - Qiujun Wang
- Hebei Key Laboratory of Flexible Functional MaterialsSchool of Materials Science and EngineeringHebei University of Science and TechnologyShijiazhuang050000China
| | - Huan Wang
- Hebei Key Laboratory of Flexible Functional MaterialsSchool of Materials Science and EngineeringHebei University of Science and TechnologyShijiazhuang050000China
| | - Zhaojin Li
- Hebei Key Laboratory of Flexible Functional MaterialsSchool of Materials Science and EngineeringHebei University of Science and TechnologyShijiazhuang050000China
| | - Bo Wang
- Hebei Key Laboratory of Flexible Functional MaterialsSchool of Materials Science and EngineeringHebei University of Science and TechnologyShijiazhuang050000China
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Yang Q, Yang Y, Zhang Y, Zhang L, Sun S, Dong K, Luo Y, Wu J, Kang X, Liu Q, Hamdy MS, Sun X. Highly efficient activation of peroxymonosulfate by biomass juncus derived carbon decorated with cobalt nanoparticles for the degradation of ofloxacin. CHEMOSPHERE 2023; 311:137020. [PMID: 36330974 DOI: 10.1016/j.chemosphere.2022.137020] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/12/2022] [Revised: 10/21/2022] [Accepted: 10/23/2022] [Indexed: 06/16/2023]
Abstract
The cobalt nanoparticles decorated biomass Juncus derived carbon (Co@JDC) was prepared by facile calcination strategy and applied to activate peroxymonosulfate (PMS) for eliminating ofloxacin (OFX) in the water environment. The results of catalytic experiments show that 97% of OFX degradation efficiency and 70.4% of chemical oxygen demand removal rate are obtained within 24 min at 0.1 g L-1 Co@JDC, 0.2 g L-1 PMS, 20 mg L-1 OFX (100 mL), and pH = 7, which indicates that Co@JDC/PMS system exhibits excellent performance. Meanwhile, the experimental results of affect factor show that Co@JDC/PMS system can operate in a wider pH range (3-9) and Cl-1, NO3-1, and SO42- have an ignorable effect on OFX degradation. The radical identification experiments confirm that SO4˙-, ·OH, O2˙-, and 1O2 are involved in the process of PMS activation, especially SO4˙- and 1O2 are the main contributors. Furthermore, a possible PMS activation mechanism by Co@JDC was proposed and the degradation pathways of OFX were deduced. Finally, the stable catalytic activity, negligible leaching of Co2+, and the outstanding degradation efficiency for other antibiotics prove that Co@JDC possesses good stability and universality.
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Affiliation(s)
- Qin Yang
- College of Resources and Environment, Chengdu University of Information Technology, Chengdu, 610225, Sichuan, China
| | - Yingchun Yang
- College of Resources and Environment, Chengdu University of Information Technology, Chengdu, 610225, Sichuan, China.
| | - Yujie Zhang
- College of Resources and Environment, Chengdu University of Information Technology, Chengdu, 610225, Sichuan, China
| | - Longcheng Zhang
- Institute of Fundamental and Frontier Sciences, University of Electronic Science and Technology of China, Chengdu, 610054, Sichuan, China
| | - Shengjun Sun
- College of Chemistry, Chemical Engineering and Materials Science, Shandong Normal University, Jinan, 250014, Shandong, China
| | - Kai Dong
- Institute of Fundamental and Frontier Sciences, University of Electronic Science and Technology of China, Chengdu, 610054, Sichuan, China
| | - Yongsong Luo
- Institute of Fundamental and Frontier Sciences, University of Electronic Science and Technology of China, Chengdu, 610054, Sichuan, China
| | - Junyou Wu
- College of Resources and Environment, Chengdu University of Information Technology, Chengdu, 610225, Sichuan, China
| | - Xiaowen Kang
- College of Resources and Environment, Chengdu University of Information Technology, Chengdu, 610225, Sichuan, China
| | - Qian Liu
- Institute for Advanced Study, Chengdu University, Chengdu, 610106, Sichuan, China
| | - Mohamed S Hamdy
- Catalysis Research Group (CRG), Department of Chemistry, College of Science, King Khalid University, P.O. Box 9004, 61413, Abha, Saudi Arabia
| | - Xuping Sun
- Institute of Fundamental and Frontier Sciences, University of Electronic Science and Technology of China, Chengdu, 610054, Sichuan, China; College of Chemistry, Chemical Engineering and Materials Science, Shandong Normal University, Jinan, 250014, Shandong, China.
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Deng Q, Wang R, Wang Y, Yang Z, Gou B, Li J, Yan Y, Yang R. Exploration of bifunctional Vanadium-based Metal-Organic framework with double active centers for Potassium-ion batteries. J Colloid Interface Sci 2022; 628:556-565. [PMID: 36007420 DOI: 10.1016/j.jcis.2022.08.098] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2022] [Revised: 08/13/2022] [Accepted: 08/15/2022] [Indexed: 11/27/2022]
Abstract
Exploration of suitable electrode hosts with large open channels that can reversibly accommodate K+ with large radius have been extensively investigated. Nevertheless, the reported inorganic counterparts were inevitably restricted by the difficulty of large K+ diffusion capability in crystal structure and the huge volume change. Herein, we report a bifunctional vanadium-based metal-organic framework (MIL-47) with double active centers and larger lamellar spacing that could serve as both cathode and anode material, respectively by controlling the redox potential range in potassium-ion batteries. The results suggest that the stable K-storage mechanism is the reversible rearrangement of the conjugated carboxyl groups of organic terephthalic acid into enolate and the reversible redox activity of V ions, with the specific capacity of 272 mAh g-1 (0.01-1.5 V) and 50 mAh g-1 (1.5-3.8 V) at the current density of 10 mA g-1 for MIL-47 anode and MIL-47 cathode, respectively. The unsaturated functional group of MIL-47 and the intermediate bridged V atom not only provide multi-dimensional channels for electron and ion transport but also stabilize its crystal structure. Additionally, a symmetric full-cell in potassium-ion batteries based on MIL-47 was constructed successfully by avoiding the utilization of K metal with safety concerns. Our results provide new insight into structure design for next-generation large-scale energy storage applications.
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Affiliation(s)
- Qijiu Deng
- School of Material Science and Engineering, Xi'an University of Technology, Xi'an 710048, China; State Key Laboratory of Marine Resource Utilization in South China Sea, Hainan University, Hainan 570228, China.
| | - Runrun Wang
- Institute of Chemical Power Sources, School of Science, Xi'an University of Technology, Xi'an 710048, China
| | - Yumeng Wang
- Institute of Chemical Power Sources, School of Science, Xi'an University of Technology, Xi'an 710048, China
| | - Zhaohui Yang
- School of Material Science and Engineering, Xi'an University of Technology, Xi'an 710048, China
| | - Bo Gou
- School of Material Science and Engineering, Xi'an University of Technology, Xi'an 710048, China
| | - Jilin Li
- School of Material Science and Engineering, Xi'an University of Technology, Xi'an 710048, China; Institute of New Materials, Guangdong Academy of Sciences, Guangzhou, China
| | - Yinglin Yan
- Institute of Chemical Power Sources, School of Science, Xi'an University of Technology, Xi'an 710048, China
| | - Rong Yang
- School of Material Science and Engineering, Xi'an University of Technology, Xi'an 710048, China.
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Zhang Y, Wei W, Zhu C, Gao Z, Shi J, Huang M, Liu S, Wang H. Interconnected honeycomb-like carbon with rich nitrogen/sulfur doping for stable potassium ion storage. Electrochim Acta 2022. [DOI: 10.1016/j.electacta.2022.140596] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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7
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Sun D, Lin S, Yu D, Wang Z, Deng F, Zhou X, Ma G, Lei Z. Interlayer and doping engineering in partially graphitic hollow carbon nanospheres for fast sodium and potassium storage. CHINESE CHEM LETT 2022. [DOI: 10.1016/j.cclet.2022.03.062] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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8
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Ouyang L, Zhou Q, Liang J, Zhang L, Yue L, Li Z, Li J, Luo Y, Liu Q, Li N, Tang B, Ali Alshehri A, Gong F, Sun X. High-efficiency NO electroreduction to NH 3 over honeycomb carbon nanofiber at ambient conditions. J Colloid Interface Sci 2022; 616:261-267. [PMID: 35219191 DOI: 10.1016/j.jcis.2022.02.074] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2022] [Revised: 02/16/2022] [Accepted: 02/17/2022] [Indexed: 10/19/2022]
Abstract
Electrocatalytic NO reduction is a promising technology for ambient NO removal with simultaneous production of highly value-added NH3. Herein, we report that honeycomb carbon nanofiber coated on carbon paper acts as an efficient metal-free catalyst for ambient electroreduction of NO to NH3. In 0.2 M Na2SO4 solution, such catalyst achieves an NH3 yield of 22.35 μmol h-1 cm-2 with a high Faradaic efficiency of up to 88.33%. Impressively, it also shows excellent stability for 10-h continuous electrolysis. Theoretical calculations reveal that the most active center of functional groups is -OH group for NO reduction with a low energy barrier (ΔG of 0.29 eV) for the potential-determining step (*NO + H → *HNO).
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Affiliation(s)
- Ling Ouyang
- Institute of Fundamental and Frontier Sciences, University of Electronic Science and Technology of China, Chengdu, Sichuan 610054, China
| | - Qiang Zhou
- Key Laboratory of Energy Thermal Conversion and Control of Ministry of Education, School of Energy and Environment, Southeast University, Nanjing, Jiangsu 211189, China
| | - Jie Liang
- Institute of Fundamental and Frontier Sciences, University of Electronic Science and Technology of China, Chengdu, Sichuan 610054, China
| | - Longcheng Zhang
- Institute of Fundamental and Frontier Sciences, University of Electronic Science and Technology of China, Chengdu, Sichuan 610054, China
| | - Luchao Yue
- Institute of Fundamental and Frontier Sciences, University of Electronic Science and Technology of China, Chengdu, Sichuan 610054, China
| | - Zerong Li
- Institute of Fundamental and Frontier Sciences, University of Electronic Science and Technology of China, Chengdu, Sichuan 610054, China
| | - Jun Li
- Institute of Fundamental and Frontier Sciences, University of Electronic Science and Technology of China, Chengdu, Sichuan 610054, China
| | - Yongsong Luo
- Institute of Fundamental and Frontier Sciences, University of Electronic Science and Technology of China, Chengdu, Sichuan 610054, China
| | - Qian Liu
- Institute for Advanced Study, Chengdu University, Chengdu, Sichuan 610106, China.
| | - Na Li
- College of Chemistry, Chemical Engineering and Materials Science, Shandong Normal University, Jinan, Shandong 250014, China
| | - Bo Tang
- College of Chemistry, Chemical Engineering and Materials Science, Shandong Normal University, Jinan, Shandong 250014, China
| | - Abdulmohsen Ali Alshehri
- Chemistry Department, Faculty of Science, King Abdulaziz University, P.O. Box 80203, Jeddah 21589, Saudi Arabia
| | - Feng Gong
- Key Laboratory of Energy Thermal Conversion and Control of Ministry of Education, School of Energy and Environment, Southeast University, Nanjing, Jiangsu 211189, China.
| | - Xuping Sun
- Institute of Fundamental and Frontier Sciences, University of Electronic Science and Technology of China, Chengdu, Sichuan 610054, China; College of Chemistry, Chemical Engineering and Materials Science, Shandong Normal University, Jinan, Shandong 250014, China.
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Cong S, Yang Y, He F, Zhao J, Li K, Wang X, Xiong S, Wu Y, Zhou A. Synthesis of N‐Doped Porous Carbon/Carbon Micro‐Nanotubes/Ni
x
Co
y
O
z
Nanosheets as a High‐Capacity Electrode Material for Supercapacitors. ChemistrySelect 2021. [DOI: 10.1002/slct.202102400] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Shaoling Cong
- College of Chemistry & Chemical Engineering Xi'an University of Science& Technology Xi'an 710054 PR China
| | - Yufei Yang
- Department of Chemical Engineering and Power Engineering Shenmu Vocational & Technical College Shenmu 719300 PR China
| | - Fan He
- College of Chemistry & Chemical Engineering Xi'an University of Science& Technology Xi'an 710054 PR China
| | - Jie Zhao
- College of Chemistry & Chemical Engineering Xi'an University of Science& Technology Xi'an 710054 PR China
| | - Kanshe Li
- College of Chemistry & Chemical Engineering Xi'an University of Science& Technology Xi'an 710054 PR China
| | - Xiaoqin Wang
- College of Chemistry & Chemical Engineering Xi'an University of Science& Technology Xi'an 710054 PR China
- Key Laboratory of Coal Resources Exploration and Comprehensive Utilization Ministry of Natural Resources Xi'an 710021 PR China
| | - Shanxin Xiong
- College of Chemistry & Chemical Engineering Xi'an University of Science& Technology Xi'an 710054 PR China
- Key Laboratory of Coal Resources Exploration and Comprehensive Utilization Ministry of Natural Resources Xi'an 710021 PR China
| | - Yan Wu
- Key Laboratory of Coal Resources Exploration and Comprehensive Utilization Ministry of Natural Resources Xi'an 710021 PR China
| | - Anning Zhou
- College of Chemistry & Chemical Engineering Xi'an University of Science& Technology Xi'an 710054 PR China
- Key Laboratory of Coal Resources Exploration and Comprehensive Utilization Ministry of Natural Resources Xi'an 710021 PR China
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