Article
Energy & Fuels
Mingjin Xia, Jialong Zhu, Baoyong Wei, Haoquan Hu, Lijun Jin
Summary: Commercial activated carbon was modified using steam activation and chemical activation for the catalytic upgrading of heavy coal tar. The modified activated carbon significantly increased the total surface area and promoted the formation of mesopores, leading to improved upgrading performance.
Article
Materials Science, Multidisciplinary
Zhaohui Wang, Qiufeng Cao, Fengjie Guo, Yuxing Yan, Li'e Jin, Qing Cao
Summary: Using coal tar pitch (CTP) and KOH as carbon source and activator respectively, the study investigates the effects of different activation temperatures on the hierarchy and performance of carbon electrodes in supercapacitors. The results demonstrate that ACTP-3-600 activated at 600 degrees C shows higher specific surface area, pore volume, and superior performance compared to other temperatures. The symmetric supercapacitor assembled with it achieves an energy density of 20.2 Wh kg-1 (at a power density of 450.0 W kg -1) in 1 M Na2SO4 electrolyte, with a capacitance retention rate of 91.2 % after 10,000 cycles. The prepared method offers a simple and cost-effective approach to high-performance hierarchical porous carbon materials.
DIAMOND AND RELATED MATERIALS
(2023)
Article
Chemistry, Physical
Ming Shi, Yanfei Xin, Xinxing Chen, Kunyang Zou, Weitao Jing, Junjie Sun, Yuanzhen Chen, Yongning Liu
Summary: Porous activated carbon material derived from anthracite through KOH activation exhibits a large specific surface area and porous structure, making it suitable for electrode materials in supercapacitors and symmetric capacitors. The material shows high specific capacity, energy density, and superior cyclic stability, broadening the horizon of electrode materials for specialized hybrid supercapacitor applications.
JOURNAL OF ALLOYS AND COMPOUNDS
(2021)
Article
Chemistry, Physical
Xiangxia Jing, Lei Wang, Konggang Qu, Rui Li, Wenjun Kang, Haibo Li, Shenglin Xiong
Summary: Developing monolithic electrodes with high capacitor performance using chemically activated commercial melamine sponges and KOH is a challenge in the energy storage field. The study demonstrates that adjusting the KOH/melamine sponge mass ratio can regulate the graphitization degree, heteroatom content, and pore size distribution of the monolithic N-/O-doped carbon sponge electrodes. The optimized electrode shows promising specific capacitances and retention rates, and the charge storage mechanism in NOCSs is systematically studied to separate different capacitance contributions. Additionally, the NOCSs show good capacitance performances in all-solid-state supercapacitors, providing high energy density and power output for driving LED devices.
ACS APPLIED ENERGY MATERIALS
(2021)
Article
Engineering, Environmental
Mousumi Bora, Santhi Maria Benoy, Joyshil Tamuly, Binoy K. Saikia
Summary: This study introduces an eco-friendly method utilizing ultrasonic-assisted chemical activation to synthesize high-performance activated carbon from low-quality subbituminous Indian coals. The method significantly improves the adsorption properties, energy density, and power density of the activated carbon, making it suitable for low-cost supercapacitor production for small/general electronics. The reported ultrasonic-assisted chemical activation method proves to be more effective than other activation methods for large-scale synthesis of activated carbon from abundant coal resources.
JOURNAL OF ENVIRONMENTAL CHEMICAL ENGINEERING
(2021)
Article
Chemistry, Physical
Xiaoxia Yang, Guoxiao Sun, Fei Wang, Xi Li, Zhuangzhuang Zhang, Yanzhong Zhen, Danjun Wang, Xiaoming Gao, Feng Fu, Ru'an Chi
Summary: The compact microporous carbon materials were prepared by a universal and facile strategy of pre-oxidation-carbonization-activation, exhibiting well-developed porous structure and proper graphitization. The optimized sample POCA800 displayed high specific capacitance and good cycling stability, indicating the promising practical application of the prepared dense microporous carbons for high-performance supercapacitors.
JOURNAL OF COLLOID AND INTERFACE SCIENCE
(2023)
Article
Chemistry, Physical
Yuchen Jiang, Zhifeng He, Yueyao Du, Jiafeng Wan, Yifu Liu, Fangwei Ma
Summary: Three-dimension porous carbon-sheet microspheres (PCSMs) with microsphere morphology composed of petal-like carbon nanosheets were prepared, showing a good electrochemical performance as supercapacitor electrodes with large specific capacitance and high rate capability.
JOURNAL OF COLLOID AND INTERFACE SCIENCE
(2021)
Article
Chemistry, Applied
Jessica D. Ortiz-Gonzalez, Ferley A. Vasquez, Franky E. Bedoya-Lora, Oscar A. Vargas, Jorge A. Calderon
Summary: Asphaltene, a waste product from the oil industry, was refined and processed to obtain carbon materials for supercapacitors. Carbon electrode materials were successfully fabricated by thermal treatment using melamine foam as a template and KOH activation. The effect of different synthesis parameters on the materials' morphological and electrochemical performance was investigated. Results showed that an optimized material, with specific capacitance of 112 F g-1 and specific energy of 8.6 W h kg -1, was obtained by using a KOH: asphaltene weight ratio of 3:1, homogenization time of 1 h, and thermal treatment at 700 degrees C for 0.5 h.
FUEL PROCESSING TECHNOLOGY
(2023)
Article
Engineering, Environmental
Fuhe Le, Pengxu Ren, Wei Jia, Tao Wang, Yuan Tao, Dongling Wu
Summary: In this study, an efficient and simple method for preparing high yield porous carbon through carbonization of coal tar pitch with the assistance of fire retardants in air was reported. The fire retardants not only prevented complete burning of coal tar pitch, but also served as heteroatomic source and morphology regulator to obtain heteroatom doped honeycomb structure carbon. The N and F doped porous carbon prepared by the optimized K2CO3-KCl-KF molten salt fire retardant showed a carbon yield of 40.2 wt% and exhibited excellent supercapacitor performance (379.8F g-1).
CHEMICAL ENGINEERING JOURNAL
(2023)
Article
Chemistry, Physical
Xiaoxia Yang, Shuai Zhao, Zhuangzhuang Zhang, Yang Chi, Chunming Yang, Chuantao Wang, Yanzhong Zhen, Danjun Wang, Feng Fu, Ru'an Chi
Summary: Carbon materials with rational pore structure have been designed and constructed via a simple and low-cost route, exhibiting excellent electrochemical performances for supercapacitor applications.
JOURNAL OF COLLOID AND INTERFACE SCIENCE
(2022)
Article
Energy & Fuels
Rajashree Bortamuly, Sabina Yeasmin, Liju Elias, Manash R. Das, Debajyoti Mahanta, Pranjal Saikia
Summary: This study explores the utilization of a bi-metallic mixed oxide and activated carbon as electrode materials for supercapacitor applications. The combination demonstrates high specific capacitance and cycling stability, indicating its potential as a promising supercapacitor electrode material.
JOURNAL OF ENERGY STORAGE
(2023)
Article
Chemistry, Physical
Gaoxu Han, Jianbo Jia, Quanrun Liu, Guangxu Huang, Baolin Xing, Chuanxiang Zhang, Yijun Cao
Summary: A series of coal-based hierarchical porous carbons with adjustable pores were successfully prepared using Zinc chloride as a template during the carbonization process, leading to improved electrical conductivity and specific capacitance of the products.
Article
Chemistry, Analytical
Weiping Ma, Ronglin Xiao, Xiaoxian Wang, Xiaoli Lv, Wenfa Zhang, Wenjing Wang, Yingping Li, Mengfan Li, Luyao Hou, Yang Gong, Yun Zhang, Cheng-Meng Chen
Summary: Chemical co-activation can effectively modify the surface chemistry and pore structure of carbon electrode materials, leading to improved capacitive behaviors. The study demonstrates the successful synthesis of ultrapure anthracite-derived porous carbons with small mesopores, which exhibit low internal resistance, high specific capacity, superior rate capability, and excellent cycling stability.
JOURNAL OF ELECTROANALYTICAL CHEMISTRY
(2022)
Article
Chemistry, Physical
Yuchen Jiang, Zhifeng He, Xin Cui, Zeyi Liu, Jiafeng Wan, Yifu Liu, Fangwei Ma
Summary: The lamellar porous carbon material synthesized in this study showed excellent capacitive performance with a specific capacitance of 298 F g-1 at 1 A g-1 and a capacitance retention of 78.5%. The synthesized material also exhibited a good lamellar structure and abundant mesoporous structure, making it an ideal energy storage electrode material for supercapacitors.
ACS APPLIED ENERGY MATERIALS
(2022)
Article
Engineering, Environmental
Jiahui Zhou, Xuesong Li, Jia Yuan, Zhiwei Wang
Summary: In this study, a novel catalyst was prepared and it showed efficient degradation of tetracycline in wastewater over a wide range of pH. The surface-bound SO4 center dot- and 1O2 were identified as the main reactive oxygen species during the catalytic process. The toxicity of treated wastewater was significantly reduced after the catalytic degradation. Additionally, the catalyst exhibited good degradation performance even after multiple cycles and had minimal iron loss, demonstrating its potential for antibiotic removal in wastewater treatment.
CHEMICAL ENGINEERING JOURNAL
(2022)
Article
Chemistry, Physical
Shuai Wang, Ping He, Mingqian He, Lingpu Jia, Ning Chen, Mingfu Dong, Huanhuan Liu, Xuejiao Wang, Ying Zhang, Lianhong Zhou, Jun Gao, Hong Lei, Faqin Dong
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
(2020)
Article
Chemistry, Physical
Lianhong Zhou, Tiantian Yang, Shouxian Chen, Jun Gao, Xuejiao Wang, Ping He, Hong Lei, Dingming Yang, Faqin Dong, Lingpu Jia, Bin Jia, Hui Zhang
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
(2020)
Article
Engineering, Environmental
Jian Zhang, Hongyan Yuan, Yanping Huang, Shuting Kan, Yufeng Wu, Manman Bu, Yang Liu, Ping He, Hongtao Liu
Summary: A novel sodium-rich tunnel-type Na0.6MnO2 material was reported in this study, fancily prepared with the guidance of CTAB surfactant, exhibiting outstanding cycling durability and high discharge capacity. The sodium-rich tunnel-structured manganese oxide provides a new perspective for engineering high-performance SIB cathode materials.
CHEMICAL ENGINEERING JOURNAL
(2021)
Article
Engineering, Electrical & Electronic
Qihang He, Tiantian Yang, Xuejiao Wang, Pengcheng Zhou, Shouxian Chen, Feng Xiao, Ping He, Lingpu Jia, Tinghong Zhang, Dingming Yang
Summary: A novel composite Zn-Ni-Se/Ni(OH)(2) hierarchical microflower structure was successfully fabricated, showing significantly improved electrochemical properties with potential for supercapacitor applications.
JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS
(2021)
Article
Chemistry, Analytical
Pengcheng Zhou, Feng Xiao, Qihang He, Shouxian Chen, Xuejiao Wang, Ping He, Xiaochun He, Hui Zhang, Bin Jia, Yewei Xu, Lingpu Jia
Summary: In this study, composites composed of Bi12NiO19 (BNO) micro-sheets grown on graphene oxide (GO) were successfully prepared, showing higher gravimetric specific capacity and wider voltage window, ultimately achieving superior performance at specific power. This indicates that BNO/GO composites are a promising electrode material for supercapacitors.
JOURNAL OF ELECTROANALYTICAL CHEMISTRY
(2021)
Article
Environmental Sciences
Shouxian Chen, Ping He, Xuejiao Wang, Feng Xiao, Pengcheng Zhou, Qihang He, Lingpu Jia, Faqin Dong, Hui Zhang, Bin Jia, Hongtao Liu, Bin Tang
Summary: The Ti/PbO2 Co-Sm electrode exhibited the highest electrocatalytic activity for atrazine degradation compared to other electrodes, achieving a maximum degradation efficiency of 92.6% and COD removal efficiency of 84.5% under optimized conditions. The degradation mechanism of atrazine was proposed based on the detection of degradation intermediates, suggesting Ti/PbO2 Co-Sm as a promising electrode for atrazine degradation.
Article
Environmental Sciences
Shouxian Chen, Ping He, Pengcheng Zhou, Xuejiao Wang, Feng Xiao, Qihang He, Jing Li, Lingpu Jia, Hui Zhang, Bin Jia, Bin Tang
Summary: A novel GCN/CNT doped Ti/PbO2 anode was constructed for effective degradation of ACE wastewater, achieving removal efficiencies of 83.2% for ACE and 76.3% for chemical oxygen demand under optimal conditions. The excellent electrocatalytic activity of the Ti/PbO2-GCN-CNTanode for ACE oxidation is attributed to the effective suppression of oxygen evolution and enhanced electron transfer.
Article
Chemistry, Physical
Xuejiao Wang, Qihang He, Qianao Ge, Tongxing Fu, Shouxian Chen, Pengcheng Zhou, Feng Xiao, Ping He, Lingpu Jia, Bin Jia, Hui Zhang, Kai Pan, Hongtao Liu
Summary: Bacterial cellulose based carbon nanofiber (BCCNF) has been highlighted for its 3D network structure, and a series of nanocotton-like Co-B-P/BCCNF electrocatalysts have been designed and prepared, exhibiting excellent catalytic performances for water splitting with low overpotentials. This indicates great potential for large-scale hydrogen production.
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
(2021)
Article
Materials Science, Multidisciplinary
Xuejiao Wang, Shouxian Chen, Pengcheng Zhou, Feng Xiao, Qihang He, Ping He, Lingpu Jia, Bin Jia, Hui Zhang, Hongtao Liu, Kai Pan, Ying Xie
Summary: Nanocoral-like bimetallic Co-Mo carbide/nitrogen-doped carbon electrocatalysts exhibit superior electrocatalytic activity and stability for hydrogen evolution reaction, which can serve as promising candidates to substitute noble metal catalysts for green and renewable hydrogen production through electrocatalytic water splitting.
JOURNAL OF MATERIALS SCIENCE
(2021)
Article
Materials Science, Multidisciplinary
Qihang He, Xuejiao Wang, Pengcheng Zhou, Qianao Ge, Tongxing Fu, Shouxian Chen, Feng Xiao, Peilin Yang, Ping He, Lingpu Jia, Dingming Yang
Summary: Nanocoral-like cerium-activated cobalt selenide (Ce-CoSe2) nanocomposites were successfully prepared to enhance the oxygen evolution reaction (OER) catalytic activity. The Ce-CoSe2 catalyst exhibited remarkable OER performance with low overpotential and long-term stability, providing a simple and feasible pathway for designing metal dichalcogenides for green and renewable hydrogen production.
JOURNAL OF MATERIALS SCIENCE
(2021)
Article
Microbiology
Xiujuan Gu, Qi Cheng, Ping He, Yan Zhang, Zhengfang Jiang, Yali Zeng
Summary: The new nanomedicine antibacterial agent DHA-CS NPs shows excellent antibacterial effect on drug-resistant TB strains by disrupting the cell wall, indicating potential for TB treatment.
FRONTIERS IN MICROBIOLOGY
(2021)
Article
Materials Science, Multidisciplinary
Shuai (Marshall) Yang, Jinbao Huang, Jian Chen, James Joseph Noel, Ivan Barker, Jeffrey Daniel Henderson, Ping He, Haiping Zhang, Hui Zhang, Jesse Zhu
Summary: Powder coatings with zinc phosphate additives were studied in this research. The anti-corrosive performance of the coatings was improved, as confirmed by neutral salt spray and electrochemical tests. The optimized additive dosage was determined to be 2% for most coating systems, with performance improvements of up to one order of magnitude. The study also identified a synergistic effect between the additive and filler.
Article
Chemistry, Physical
Feng Xiao, Pengcheng Zhou, Ruixue Weng, Peilin Yang, Weishan Tang, Lei Liao, Yuan Wang, Maojie Zhao, Wenxi Zhang, Ping He, Bin Jia
Summary: A self-supporting electrode with outstanding catalytic activity and long-term stability has been fabricated by decorating CeO2 on Co-Mn-S nanosheets. The electrode exhibits quick Faradic process and favorable OER kinetics, making it a highly efficient electrocatalyst for OER.
JOURNAL OF ALLOYS AND COMPOUNDS
(2022)
Article
Chemistry, Physical
Pengcheng Zhou, Feng Xiao, Ruixue Weng, Quanguo Huang, Lei Wang, Qihang He, Weishan Tang, Peilin Yang, Rong Su, Ping He, Bin Jia, Liang Bian
Summary: The introduction of a carbon scaffold has improved the energy storage performance of polyindole. In this study, nitrogen-doped porous carbon materials are integrated with polyindole through emulsion polymerization to form composites. The morphology and size of the composites can be controlled by adjusting the carbon content. The resulting electrode exhibits high specific capacitance and cycling stability in sulfuric acid electrolyte. Moreover, the assembled asymmetric supercapacitor shows high specific energy and excellent cycling stability.
JOURNAL OF MATERIALS CHEMISTRY A
(2022)
Article
Engineering, Environmental
Feng Xiao, Yanxia Cheng, Pengcheng Zhou, Shouxian Chen, Xuejiao Wang, Ping He, Xiaoqin Nie, Faqin Dong
Summary: A novel luffa cylindrica adsorbent modified with carboxyl and amidoxime groups was successfully prepared and demonstrated effective U(VI) uptake. The adsorbent showed outstanding performance under optimal conditions and could be efficiently regenerated for repeated use.
JOURNAL OF ENVIRONMENTAL CHEMICAL ENGINEERING
(2021)
