Article
Chemistry, Multidisciplinary
Abdul Rehman Akbar, Gangqiang Peng, Yongyi Li, Rashid Iqbal, Adil Saleem, Guohong Wang, Abdul Sammed Khan, Mumtaz Ali, Muhammad Tahir, Mohammed A. Assiri, Ghaffar Ali, Fude Liu
Summary: The fabrication of low-cost, effective, and highly integrated nanostructured materials for high-energy-density supercapacitors is highly desired. In this study, an activated carbon cloth (ACC) is designed as the functional scaffold for supercapacitors and modified with various nanomaterials. The resulting structured core-shell heterostructure ACC@NiCo@NiOOH@CoMoO4 electrode exhibits exceptional specific areal capacitance and cycling stability. Moreover, this electrode is developed into an asymmetric supercapacitor, demonstrating excellent areal capacitance, energy density, and power density with a high cycling life.
Article
Chemistry, Physical
Kun Zheng, Leiping Liao, Yu Zhang, Hua Tan, Jingquan Liu, Chenwei Li, Dedong Jia
Summary: A unique hierarchical core/shell homostructure of LDH material with high capacitance, good rate performance, and cyclic stability has been constructed through in-situ growth and conversion process. The designed supercapacitor also exhibits high energy density.
JOURNAL OF COLLOID AND INTERFACE SCIENCE
(2022)
Article
Chemistry, Physical
Zhixiao Zhang, Yingjie Shi, Xu Zhao, Ao Zhou, Rong Liu, Hongwei Che, Guangsuo Wang, Jingbo Mu, Xiaoliang Zhang, Xiaorong Zhang
Summary: Core-shell NiCoSe@CoS nanotube arrays were synthesized via hydrothermal method and electrodeposition, showing enhanced electrochemical activity, ion diffusion pathways, and charge storage capacity. The heterostructures improved structural stability and electrode reaction kinetics.
JOURNAL OF ALLOYS AND COMPOUNDS
(2022)
Article
Chemistry, Inorganic & Nuclear
Qiong Bi, Qingxiang Ma, Kai Tao, Lei Han
Summary: In this study, ultrathin Ni-MOF nanosheets were grafted onto Co3O4 nanosheets to create hierarchical core-shell Co3O4@Ni-MOF 2D nanosheet arrays, exhibiting high specific capacity, energy density, and good long-term durability. The unique structure and synergic effects of the core and shell greatly enhance the performance of the Co3O4@Ni-MOF/NF electrode, showing great promise for real energy storage devices.
DALTON TRANSACTIONS
(2021)
Article
Chemistry, Inorganic & Nuclear
Hao Chen, Jiangning Li, Linli Chen, Guochang Li, Wenna Zhao, Kai Tao, Lei Han
Summary: This research focuses on the development of core-shell heterostructure electrocatalysts for water splitting. Among the three developed electrocatalysts, NiCo@NiFe-LDH150/NF exhibits the best activity and stability. The research also demonstrates the efficient and stable performance of an alkaline electrolytic cell using NiCo@NiFe-LDH150/NF as both the cathode and anode.
INORGANIC CHEMISTRY
(2023)
Article
Chemistry, Physical
Yan Xiao, Hao Wang, Yinhua Jiang, Wenli Zhang, Jianming Zhang, Xiangyang Wu, Zhanchao Liu, Wei Deng
Summary: In this work, a novel hierarchical 1D/2D core/shell Sb2S3-ZnIn2S4 heterostructure with highly efficient photocatalytic activities for both hydrogen production from water and organic pollutant degradation was designed and fabricated. The heterostructure showed improved light absorption capacity, increased surface area, shortened distance of electronic transmission channels, and accelerated separation and migration of photogenerated carriers. The SB-ZIS composites displayed significantly enhanced photocatalytic performances for H2 generation and Tetracycline Hydrochloride (TCH) photodegradation. The research provides useful information for the development of Sb2S3-based core-shell heterostructures with efficient photocatalytic activity for solving environmental pollution and producing clean hydrogen energy.
JOURNAL OF COLLOID AND INTERFACE SCIENCE
(2022)
Article
Chemistry, Physical
Manchi Nagaraju, Bhimanaboina Ramulu, Edugulla Girija Shankar, Jae Su Yu
Summary: In this study, hierarchical core-shell architectures were constructed using zeolitic imidazolate frameworks (ZIFs) and binary metal oxides, leading to improved electrochemical properties. The resulting electrode material, ZIF-67 amorphous nanoparticles (NPs)@Cu2CoO3 (ZIF-67@CCO), demonstrated higher areal capacity and specific capacity values. When assembled into a hybrid supercapacitor cell, it exhibited high energy density and showed potential for commercial applications.
APPLIED SURFACE SCIENCE
(2023)
Article
Energy & Fuels
Ying Zhang, Shuang Liu, Zhe Chen, Yuanyuan Zhang, Ting Zeng, Qijin Wan, Nianjun Yang
Summary: In this study, a hierarchical heterostructure of MnCo-LDH/NiCo-LDH array is designed on nickel foam, composed of 1D nanoneedles, 2D nanosheets, and 3D hollow nanocages. This structure is synthesized using trimetallic co-doping, in-situ co-precipitation, and hydrothermal techniques. The hierarchical nanostructure exhibits high specific capacitance and energy density, as well as excellent cycling stability.
JOURNAL OF ENERGY STORAGE
(2023)
Article
Electrochemistry
Yue Cai, Liming Xu, Huan Kang, Weiqiang Zhou, Jingkun Xu, Xuemin Duan, Xinyu Lu, Quan Xu
Summary: A novel hierarchical core/shell PEDOT@MoS2 composite with high specific capacitance was successfully assembled, showing excellent capacitance retention of 98.5% after 5000 cycles and high energy density. The enhanced performances are attributed to the robust hierarchical core/shell structures and the synergic effect between PEDOT and MoS2, making it a promising candidate for high-performance supercapacitor applications.
ELECTROCHIMICA ACTA
(2021)
Article
Nanoscience & Nanotechnology
Yufei Cheng, Ming Gong, Tete Xu, Enzhou Liu, Jun Fan, Hui Miao, Xiaoyun Hu
Summary: In this study, a core-shell heterostructure nanorod was successfully fabricated, allowing for efficient photocurrent generation and enhanced stability and H2 production rate under neutral conditions. This provides new insights into the design of antimony chalcogenide heterostructure photoelectrodes.
ACS APPLIED MATERIALS & INTERFACES
(2022)
Article
Electrochemistry
Jing-Feng Hou, Jian-Fei Gao, Ling-Bin Kong
Summary: The study demonstrates a novel crystalline@amorphous core-shell nanostructure, showing excellent electrochemical performance in electrode materials by adjusting thickness and mass ratio. The amorphous layer facilitates electrolyte diffusion, exhibits elastic behavior for electron transport, and ultimately achieves high specific capacitance, remarkable rate performance, and cycling stability.
BATTERIES & SUPERCAPS
(2021)
Article
Energy & Fuels
Abhijith R. Nair, B. Thanigai Vetrikarasan, Surendra K. Shinde, Dae-Young Kim, Shilpa N. Sawant, Ajay D. Jagadale
Summary: This study presents a facile method for the fabrication of CuO@CoV LDH core-shell structure, which shows potential applications in supercapacitors and electrocatalysis with high specific capacitance, high conductivity, and lower overpotential.
Article
Energy & Fuels
Vinayak G. Parale, Taehee Kim, Amar M. Patil, Varsha D. Phadtare, Haryeong Choi, Rushikesh P. Dhavale, Younghun Kim, Seong Chan Jun, Hyung-Ho Park
Summary: The study proposed a NiCo2S4@MnOx electrode with high specific capacitance and cycling stability, exhibiting excellent electrochemical properties.
INTERNATIONAL JOURNAL OF ENERGY RESEARCH
(2022)
Article
Chemistry, Multidisciplinary
Guan Wu, Ziyang Ma, Xingjiang Wu, Xiaolin Zhu, Zengming Man, Wangyang Lu, Jianhong Xu
Summary: This study demonstrates high-performance fibre-based electrochemical supercapacitors (FESCs) constructed using hetero-structured polymetallic oxides/porous graphene core-sheath fibres. The FESCs exhibit high areal capacitance and manageable Faradaic reversibility. Furthermore, the solid-state FESCs based on these fibres show high energy-density, long-life cycles, diverse-powered capabilities, and actual energy-supply applications.
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
(2022)
Article
Chemistry, Physical
Hualiang Wei, Xiaowei Guo, Yan Wang, Zhiyu Zhou, Huifang Lv, Yang Zhao, Zengjie Gu, Zexiang Chen
Summary: Supercapacitors with hierarchical core-shell structure of Co3O4@NiO-1 demonstrate enhanced pseudocapacitance performance, high specific capacitance, and excellent cycling stability. By utilizing this material as positive electrode in an asymmetric supercapacitor, it achieves excellent specific capacitance and high energy density at different power densities, along with exceptional cyclic stability.
APPLIED SURFACE SCIENCE
(2022)
Article
Electrochemistry
Hai Li, Zexiang Chen, Yan Wang, Jijun Zhang, Xinyu Yan, Tao Lei, Zhenkai Peng, Zhiyu Zhou, Huifang Lv
ELECTROCHIMICA ACTA
(2018)
Article
Nanoscience & Nanotechnology
Jijun Zhang, Zexiang Chen, Yan Wang, Xinyu Yan, Zhiyu Zhou, Huifang Lv
NANOSCALE RESEARCH LETTERS
(2019)
Article
Chemistry, Physical
Xinyu Yan, Zexiang Chen, Yan Wang, Jijun Zhang, Zhiyu Zhou, Huifang Lv
JOURNAL OF POWER SOURCES
(2020)
Article
Chemistry, Physical
Jijun Zhang, Yan Wang, Hsiang-Ju Liao, Tzu-Yi Yang, Zexiang Chen, Xinyu Ya, Zhiyu Zhou, Huifang Lv, Wen-Wu Liu, Yu-Lun Chueh
MATERIALS TODAY ENERGY
(2020)
Article
Chemistry, Physical
Hualiang Wei, Xiaowei Guo, Yan Wang, Zhiyu Zhou, Huifang Lv, Yang Zhao, Zengjie Gu, Zexiang Chen
Summary: Supercapacitors with hierarchical core-shell structure of Co3O4@NiO-1 demonstrate enhanced pseudocapacitance performance, high specific capacitance, and excellent cycling stability. By utilizing this material as positive electrode in an asymmetric supercapacitor, it achieves excellent specific capacitance and high energy density at different power densities, along with exceptional cyclic stability.
APPLIED SURFACE SCIENCE
(2022)
Article
Chemistry, Multidisciplinary
Zhiyu Zhou, Zexiang Chen, Yang Zhao, Huifang Lv, Hualiang Wei, Bingbing Chen, Zengjie Gu, Yan Wang
Summary: This study developed a flame-retardant, multifunctional interlayer to enhance the electrochemical performance and safety of Li-S batteries, addressing issues such as reduced capacities, cycling instabilities, and safety concerns. The interlayer effectively adsorbs polysulfides and suppresses the shuttle effect, leading to impressive initial discharge capacities and high capacity retentions over multiple cycles. Additionally, the interlayer acts as a flame-retardant layer, promoting safer working conditions for Li-S batteries.
Article
Chemistry, Physical
Yan Wang, Jiatong Lu, Yang Zhao, Huifang Lv, Zhiyu Zhou, Hualiang Wei, Zexiang Chen
Summary: A sandwich-like flexible electrode material with high mass loading superiority and synergistic effect has been successfully developed for supercapacitors, demonstrating excellent electrochemical performance and potential for commercial applications.
JOURNAL OF COLLOID AND INTERFACE SCIENCE
(2022)
Article
Chemistry, Physical
Yan Wang, Huan Yang, Huifang Lv, Zhiyu Zhou, Yang Zhao, Hualiang Wei, Zexiang Chen
Summary: A hierarchical CoAl-LDH@NiCo-LDH composite with excellent electrochemical performance and cyclic stability was prepared on a carbon cloth substrate through a simple hydrothermal process. The flexible quasi-solid-state supercapacitor device showed outstanding energy density and power density in a broad potential window, along with exceptional cyclic stability and flexibility, making it suitable for flexible energy storage systems.
JOURNAL OF COLLOID AND INTERFACE SCIENCE
(2022)
Article
Energy & Fuels
Huifang Lv, Haibo Rao, Zheng Liu, Zhiyu Zhou, Yang Zhao, Hualiang Wei, Zexiang Chen
Summary: A flower-like spherical NiAl-Cl LDH with widened interlayer spacing is successfully prepared. It exhibits excellent electrochemical and rate performance, with the widened interlayer spacing promoting the utilization of active materials and ensuring structural stability. The assembled asymmetric supercapacitor demonstrates high energy density and long cycle life.
JOURNAL OF ENERGY STORAGE
(2022)
Article
Chemistry, Physical
Zhiyu Zhou, Zexiang Chen, Huifang Lv, Yang Zhao, Hualiang Wei, Bingbing Chen, Yan Wang
Summary: Modifying the sulfur cathode with host materials that have adsorption and electrocatalytic properties can improve the performance of Li-S batteries. In this study, a Co0.12Ni1.88S2/NiO heterostructure was designed and used as a sulfur host, demonstrating synergistic effects that enhance sulfur utilization.
ENERGY STORAGE MATERIALS
(2022)
Article
Chemistry, Physical
Zhiyu Zhou, Zexiang Chen, Huifang Lv, Yang Zhao, Hualiang Wei, Guoli Huai, Ruxiang Xu, Yan Wang
Summary: By utilizing multimetallic high-entropy alloy nanoparticles as sulfur hosts, this work successfully resolves the challenge of shuttling effect and slow redox kinetics in Li-S batteries. The resulting cathode exhibits excellent electrocatalytic activity and enhanced LiPS adsorbability, leading to improved rate capacity and cycling stability.
JOURNAL OF MATERIALS CHEMISTRY A
(2023)
Article
Chemistry, Multidisciplinary
Yan Wang, Jianhao Zhou, Zhiyu Zhou, Huifang Lv, Bingni Gu, Kuangye Wang, Zexiang Chen, Xinyu Yan, Jijun Zhang, Wen-Wu Liu, Yu-Lun Chueh
Summary: The three-dimensional hybrid networks prepared by a hydrothermal method provide a unique advantage for electrochemical supercapacitors, demonstrating excellent conductive behavior and electrochemical performance, showing high capacitance and energy density.