Article
Chemistry, Physical
Xiang Wei, Baoping Qiu, Huadong Tian, Yaohui Lv, Wei Zhang, Qingqing Qin, Zailiang Liu, Feng Wei
Summary: A hierarchical porous carbon material was prepared using a self-made Fe-based template strategy and anthracene as the carbon precursor. This material exhibited high specific capacitance and excellent cycling stability, showing great potential for high-performance electrochemical energy storage devices.
APPLIED SURFACE SCIENCE
(2023)
Article
Chemistry, Physical
Shuhua Yang, Yanwei Cui, Guangxu Yang, Songfang Zhao, Jieqiang Wang, Degang Zhao, Chao Yang, Xiutong Wang, Bingqiang Cao
Summary: In this study, a hierarchical porous carbon induced by ZnCl2 from corncob cellulose is developed through a single-step activation process. The material exhibits suitable micropores for high energy storage and sufficient mesopores for high-rate performance, thereby improving the performance of zinc-ion hybrid supercapacitors. The optimized hierarchical porous carbon shows high specific capacity, high energy density, and good cycling stability. The assembled quasi-solid-state flexible hybrid supercapacitor also demonstrates high specific capacity, satisfactory mechanical properties, and promising application prospects.
JOURNAL OF POWER SOURCES
(2023)
Article
Electrochemistry
Chaojie Chen, Zhiwei Li, Yinghong Xu, Haojie Liao, Langyuan Wu, Hui Dou, Xiaogang Zhang
Summary: In this study, a green, low-cost, and safe approach using urea-zinc chloride deep eutectic solvent (DES) to prepare polyacrylonitrile derived three-dimensional carbon nanosphere (D-PC) was proposed. The D-PC showed efficient acceleration of electrolyte ions migration and enhanced charge storage, leading to high specific capacitance and cycling stability in zinc-ion hybrid supercapacitors. Additionally, it exhibited promising energy/power density and areal capacitance, highlighting the potential of DESs in the design of functional carbons.
BATTERIES & SUPERCAPS
(2021)
Article
Green & Sustainable Science & Technology
Fangfang Shi, Qifan Liu, Chao Yang, Jianhui Qiu, Limin Zang
Summary: Peach gum is used as a carbon source to fabricate porous carbon materials for zinc-ion hybrid supercapacitors. The resulting carbon has a large specific surface area and high specific capacity, and the device exhibits good cycling stability. This strategy provides a simple and effective way for the green fabrication of energy storage devices.
ADVANCED SUSTAINABLE SYSTEMS
(2023)
Article
Chemistry, Multidisciplinary
Xuan Qiu, Nan Wang, Zhuo Wang, Fei Wang, Yonggang Wang
Summary: In this study, a Zn-based hybrid supercapacitor has been developed with high energy density and high Zn-utilization. By utilizing a metal organic framework derived porous carbon cathode and a specific electrolyte, high rate performance at high mass loading was achieved.
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
(2021)
Article
Chemistry, Physical
Fuwang Wen, Yuan Yan, Shirong Sun, Xu Li, Xing He, Qingwei Meng, Jefferson Zhe Liu, Xueqing Qiu, Wenli Zhang
Summary: Nitrogen doping enhances the capacitive performance of zinc-ion hybrid supercapacitor by promoting pseudocapacitive reactions through lowering the energy barrier for the change of oxidation states of carbonyl moieties. The as-constructed zinc-ion hybrid supercapacitors, with nitrogen/oxygen dopants and 3D interconnected hierarchical porous carbon matrix, exhibit high gravimetric capacitance and excellent rate capability.
JOURNAL OF COLLOID AND INTERFACE SCIENCE
(2023)
Article
Chemistry, Inorganic & Nuclear
K. M. Ajay, M. N. Dinesh, Gopalakrishna Byatarayappa, M. G. Radhika, N. Kathyayini, H. Vijeth
Summary: The comparative study of electrode materials for supercapacitors showed that the Polyaniline-OPAC nanocomposite electrode exhibited higher specific capacitance and better cycling stability compared to the OPAC electrode.
INORGANIC CHEMISTRY COMMUNICATIONS
(2021)
Article
Materials Science, Multidisciplinary
Hao Chen, Yu Zheng, Xinqiang Zhu, Wenliang Hong, Yifei Tong, Yingzhuo Lu, Gu Pei, Yajun Pang, Zhehong Shen, Cao Guan
Summary: The one-step combustion reaction between 2-methylimidazole and sodium nitrate can efficiently convert bamboo powder into N, O co-doped porous carbon for use as a cathode material in zincion hybrid supercapacitors. The resulting BC-CNa exhibits high specific capacities, energy densities, and superb cycle stability, outperforming other carbon materials derived from bamboo.
MATERIALS RESEARCH BULLETIN
(2021)
Article
Nanoscience & Nanotechnology
Himanshu Gupta, Yogita Dahiya, Hem Kanwar Rathore, Kamlendra Awasthi, Manoj Kumar, Debasish Sarkar
Summary: Zinc ion hybrid supercapacitors (ZIHSCs) have strong potential as next-generation energy storage systems due to their high energy density, high power output, and long cycle life. The key to constructing a high-performance ZIHSC is coupling a high-capacity, cost-effective, and safe cathode material with a zinc anode. In this study, S, N co-doped porous carbon nanocubes (S, N-CNCs) were demonstrated to be an excellent cathode material for a ZIHSC with high energy density and cycle life.
ACS APPLIED MATERIALS & INTERFACES
(2023)
Article
Chemistry, Physical
Junfeng Zhao, Zhi Tang, Zichen Wang, Meiqi Xi, Xuedong Xie, Gang Yang
Summary: The researchers synthesized N, S co-doping porous carbon using a salt template assisted freeze drying method and prepared a flexible Zn//BC/ZnSO4//NSC ZHSC device with excellent electrochemical performance. The device showed a specific capacity of 113 mA h g-1, a high energy density of 90.8 W h kg-1, and a superior cycling stability with excellent capacity retention of 93.9% over 10000 cycles at 5 A g-1. The flexible ZHSC device based on NSC cathode and BC/ZnSO4 flexible electrolyte shows promising application potential in portable, flexible, and wearable electronics.
COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS
(2023)
Article
Chemistry, Physical
Mingliang Xiang, Lixiang He, Ni Wang, Jinju Chen, Wencheng Hu
Summary: A novel modification method using hydrothermal treatment in acidic potassium chlorate solution is proposed to etch the commercial carbon cloth (CC) surface directly, creating a porous structure (OCC) with oxygen-rich functional groups and a large specific surface area. A in-situ polypyrrole coating on OCC (PPy@OCC) is then deposited to improve conductivity and electrochemical stability. The resulting PPy@OCC is demonstrated to be an ideal electrode for high-performance flexible Zn-ion hybrid supercapacitors (Zn-HSCs).
APPLIED SURFACE SCIENCE
(2023)
Article
Energy & Fuels
Jinghao Huo, Xin Wang, Xinyi Zhang, Lifeng Zhang, Gentian Yue, Shouwu Guo
Summary: Porous PPy-derived carbon nanotubes (PCNTs) with optimized microstructure and physicochemical properties were prepared by regulating the mass ratio of KOH to PPy-derived carbon. These PCNTs exhibited high specific capacity and excellent cyclic stability, as well as high energy density and power density. This study provides valuable insights for regulating the microstructure of porous carbon derived from other polymers and promoting its application in aqueous ZISCs.
JOURNAL OF ENERGY STORAGE
(2023)
Article
Agricultural Engineering
Heyang Liu, Hansheng Chen, Kaiyuan Shi, Fei Zhang, Shengwei Xiao, Lingqi Huang, He Zhu
Summary: This study demonstrates the fabrication of porous carbon cathode materials with high specific capacitance and energy density for zinc ion capacitors. The electrochemical performance of these materials is superior to other biomass-derived porous carbon cathodes. The underlying mechanism is evaluated and the feasibility of using lignin resources for high-performance ZICs is presented.
INDUSTRIAL CROPS AND PRODUCTS
(2022)
Article
Electrochemistry
Dianzhang Wang, Zijiong Li, Dongfang Guo, Min Sun
Summary: Zinc-ion hybrid supercapacitors have advantages of high power density, long lifetime, low cost, and environmental protection. However, their energy density is restricted by the low specific capacitance of carbon electrode materials. This study introduces a novel method to synthesize zinc and nitrogen co-doped porous carbon materials, improving the electrochemical properties and enhancing the energy density of ZHSCs.
ELECTROCHIMICA ACTA
(2022)
Article
Nanoscience & Nanotechnology
Yang Gao, Yakun Tang, Wei Liu, Lang Liu, Xingyan Zeng, Siqi Yan
Summary: Increasing specific surface area and sulfur content in carbon nanotubes (CNTs) through activation with KHCO3 results in high electrochemical performance. The synergistic physical and chemical activation equips the electrode material with a high specific surface area of 1840 m(2) g(-1) and hierarchical micro/mesopores, contributing to double-layer capacitance. The mild activator KHCO3 ensures a high sulfur content of 4.6 at%, advantageous for high pseudocapacitance performance in CNTs.
Article
Nanoscience & Nanotechnology
Zhao Fang, Jiaxin Peng, Wende Liu, Zhaohui Zhang, Linbo Li, Xiaoming Li, Yaru Cui, Ning Xue, Weichang Guo, Hailin Kong
NANOSCIENCE AND NANOTECHNOLOGY LETTERS
(2017)
Article
Chemistry, Multidisciplinary
Juan Yu, Na Gao, Jiaxin Peng, Nani Ma, Xiaoyan Liu, Chao Shen, Keyu Xie, Zhao Fang
FRONTIERS IN CHEMISTRY
(2019)
Article
Chemistry, Multidisciplinary
Juan Yu, Yangyang Dang, Maohui Bai, Jiaxin Peng, Dongdong Zheng, Junkai Zhao, Linbo Li, Zhao Fang
FRONTIERS IN CHEMISTRY
(2019)
Article
Nanoscience & Nanotechnology
Jiaxin Peng, Juan Yu, Bicheng Meng, Lejie Wang, Xingliang Zhang, Wudan Cheng, Penghui Wen, Junkai Zhao, Linbo Li, Zhao Fang
Article
Materials Science, Multidisciplinary
Jiaxin Peng, Kenan Zhong, Wenlong Huang, Xueyang Hou, Hongquan Gao, Zhao Fang, Linbo Li
Summary: A novel hierarchical porous activated carbon (AC) additive, developed from persimmon branches, strengthens the cathode surface's Inner Helmholtz Plane (IHP) and increases discharge capacity, while reducing capacity loss during extended cycling at high current density.
Article
Chemistry, Physical
Wenlong Huang, Jiaxin Peng, Jie Li, Xueyang Hou, Xingliang Zhang, Zhao Fang
Summary: The hydrothermally treated aluminum electrolysis spent cathode (SC) shows excellent electrochemical performance, with a calculated Li+ diffusion coefficient of 2.2292 x 10(-11) cm(2) s(-1) by CV analysis. The SC electrode exhibits better Li+ diffusion kinetics compared to commercial graphite (CG), leading to a high discharge capacity and capacity retention in the full cell of LiNi0.5Co0.2Mn0.3O2/SC.
Correction
Chemistry, Physical
Wenlong Huang, Jiaxin Peng, Jie Li, Xueyang Hou, Xingliang Zhang, Zhao Fang
Article
Electrochemistry
Juan Yu, Xuyang Wang, Jiaxin Peng, Xuefeng Jia, Linbo Li, Xiuyun Chuan
Summary: Activated carbon materials derived from biomass show promising potential for use in lithium-ion hybrid capacitors due to their natural hierarchical pore structure. By doping with nitrogen to improve pore structure utilization efficiency, PAC-1 demonstrated efficient pore utilization and good cycling stability, and when combined with NCA, it exhibited excellent capacitance and energy density in LiCs, providing guidelines for the design of high-performance and low-cost energy storage devices.
JOURNAL OF THE ELECTROCHEMICAL SOCIETY
(2021)
Article
Nanoscience & Nanotechnology
Lisi Liang, Lei Wang, Shuai Luo, Jiaxin Peng, Nani Ma, Guohua Wang
NANOSCIENCE AND NANOTECHNOLOGY LETTERS
(2017)
Article
Nanoscience & Nanotechnology
Zhao Fang, Haoran Yu, Yangyang Dang, Na Gao, Nani Ma, Jiaxin Peng, Keyu Xie, Linbo Li
SCIENCE OF ADVANCED MATERIALS
(2017)
Article
Nanoscience & Nanotechnology
Lisi Liang, Lei Wang, Lei Zhang, Xing Zhang, Jiaxin Peng, Guohua Wang, Nani Ma
NANOSCIENCE AND NANOTECHNOLOGY LETTERS
(2017)