Article
Chemistry, Multidisciplinary
Yongjian Zheng, Zhenguo Yao, Zulipiya Shadike, Meng Lei, Jianjun Liu, Chilin Li
Summary: This study investigated a method to improve the low electric conductivity and particle pulverization issues of T-Nb2O5 by enriching oxygen vacancies, thereby enhancing its electric conductivity and electrochemical kinetics, and constructing a Nb2O5-x electrode with excellent cycling stability and high-rate performance under the control of oxygen defects.
ADVANCED FUNCTIONAL MATERIALS
(2022)
Article
Electrochemistry
Rudi Ruben Maca, Vinodkumar Etacheri
Summary: This study reports significantly improved surface chemistry and pseudocapacitive Na-ion storage performance of TiO2 nanosheet anode in vinylene carbonate (VC)-containing electrolyte solution. The enhanced performance is attributed to the formation of a polycarbonate based solid electrolyte interface (SEI) in the electrolyte solution, leading to improved Na-ion diffusion and cycling stability. The crucial role of the electrolyte solution and electrode-electrolyte interfaces in the improved pseudocapacitive Na-ion storage performance of TiO2 anodes is emphasized.
Article
Engineering, Environmental
Hongshun Zhao, Jingjing Zhong, Yanli Qi, Kang Liang, Jianbin Li, Xiaobing Huang, Wenkai Chen, Yurong Ren
Summary: This study develops a sodium-ion battery with a titanium dioxide anode that exhibits extreme fast charging and long cycle life, thanks to the Na+ intercalation pseudocapacitance. The optimized electrode demonstrates high reversible capacity and ionic conductivity, providing key factors for fast charging.
CHEMICAL ENGINEERING JOURNAL
(2023)
Article
Engineering, Environmental
Mewin Vincent, Venkata Sai Avvaru, Maciej Haranczyk, Vinodkumar Etacheri
Summary: A fast charging and ultralong-life Mg-Na hybrid battery based on an extremely pseudocapacitive hierarchical bronze TiO2 nanosheet cathode is reported for the first time. The two-dimensional cathode exhibited outstanding pseudocapacitance, specific capacities, rate performance, cycling stability, coulombic efficiency and fast charging performance, which are vastly superior to previously reported MgNa hybrid battery cathodes.
CHEMICAL ENGINEERING JOURNAL
(2022)
Article
Chemistry, Physical
Xiang Hu, Min Qiu, Yangjie Liu, Jun Yuan, Junxiang Chen, Hongbing Zhan, Zhenhai Wen
Summary: This study reports a high-efficiency and extensible synthetic strategy for in situ encapsulating nanostructured SnSe(0.5)S(0.5) into N-doped graphene. The resulting material, SnSe0.5S0.5@NG, exhibits robust structural stability, ultrafast Na+ storage kinetics, and highly reversible redox reaction. The introduction of foreign Se ligand enhances conductivity, decreases diffusion energy barrier, and generates more reactivity sites. The SnSe0.5S0.5@NG shows superior sodium storage performance with high-rate capability and long durability. when coupled with Na3V2(PO4)(3)/C cathode, it achieves a high energy density of 213 Wh kg(-1).
ADVANCED ENERGY MATERIALS
(2022)
Article
Engineering, Environmental
Shikun Cheng, Qiang Ru, Yuqing Gao, Minhui Zhen, Fuming Chen, Li Wei, Francis Chi-Chung Ling
Summary: The study synthesized oxygen-deficient ZnMn2O4 nanorods with enhanced lithium/sodium storage performance. The nanorods exhibit high reversible capacity, excellent cycle stability, and good environmental adaptability, making them promising anode materials for lithium/sodium batteries. By optimizing the nanostructure and electrochemical properties, the study improved energy storage efficiency and chemical durability.
CHEMICAL ENGINEERING JOURNAL
(2021)
Article
Chemistry, Physical
Boyang Niu, Yibo Zhang, Yu Long, Juan Zhao, Qi Li, Boya Zhang, Ying Tao, Quan-Hong Yang
Summary: MXenes have great potential as fast-charging anodes for sodium storage due to their excellent electrical conductivity, high pseudocapacitive charge storage, and large interlayer distance. The enhancement of laminate structures in a pre-assembled Ti3C2Tx network is achieved, and a dense monolith with both high density and high porosity is obtained. This MXene anode material delivers a high capacity and a superior rate performance, and has a high volumetric capacity even after a large number of cycles. New insights are provided into the design of high-capacity MXene anodes for sodium-ion batteries and control of different 2D materials in compact structures.
Review
Chemistry, Physical
Xue Han, Qi Meng, Xin Wan, Baoyu Sun, Yan Zhang, Baicheng Shen, Jinlong Gao, Yulin Ma, Pengjian Zuo, Shuaifeng Lou, Geping Yin
Summary: Niobium-based oxides, such as Nb2O5 and TiNbxO(2+2.5)x compounds, have shown great potential in electrochemical energy storage due to their unique intercalation pseudocapacitance mechanism. However, their poor electronic conductivity limits practical applications.
Article
Chemistry, Multidisciplinary
Mewin Vincent, Venkata Sai Avvaru, Maciej Haranczyk, Vinodkumar Etacheri
Summary: This paper presents a high-performance Mg-Li dual-ion battery based on a cobalt-doped TiO2 cathode. The cathode demonstrates exceptional pseudocapacitance, specific capacities, rate performance, cyclability, and coulombic efficiency, with rapid charging capability. Cation doping, lattice distortions, and oxygen vacancies contribute to its excellent electrochemical performance.
Article
Chemistry, Physical
Feng Yang, Rui Ding, Ziyang Jia, Wujiang Yu, Yi Li, Ailin Wang, Miao Liu, Jinmei Xie, Miao Yan, Qi Fang, Yuzheng Zhang, Xiujuan Sun, Enhui Liu
Summary: Sodium-based electrochemical energy storage devices with a novel ternary perovskite fluoride anode and reduced graphene oxide substrate exhibit fast kinetics, superior lifespan, and fascinating properties. The mechanisms of surface conversion, alloying, and inter-calation triple hybridization have been explored. Additionally, the study proposes sodium-based dual-ion supercabatteries as advanced energy storage devices, outperforming traditional sodium ion capacitors and sodium-based dual-ion batteries. The research also opens up avenues for future investigation into presodiation techniques by exploring the impact of presodiated current densities on electrochemical properties.
ENERGY STORAGE MATERIALS
(2022)
Article
Chemistry, Physical
Mewin Vincent, Venkata Sai Avvaru, Miguel Castillo Rodriguez, Maciej Haranczyk, Vinodkumar Etacheri
Summary: In this study, a high-rate and ultralong-life Mg-Li hybrid battery based on a dual-phase TiO2 cathode was reported, exhibiting superior pseudocapacitive properties, specific capacities, rate performance, cycling stability, and coulombic efficiency. The outstanding electrochemical performance of the dual-phase TiO2 nanosheet cathode was attributed to the enhanced pseudocapacitive Mg/Li-ion diffusion through nanointerfaces between anatase and bronze crystallites. The approach demonstrated in this study could be further exploited for the development of other high-performance electrodes for advanced Mg-Li hybrid batteries.
JOURNAL OF POWER SOURCES
(2021)
Article
Chemistry, Multidisciplinary
Chongwei Li, Jinchuan Hou, Jingyi Zhang, Xiaoyue Li, Shiqi Jiang, Guoqing Zhang, Zhujun Yao, Tiancun Liu, Shenghui Shen, Zhiqi Liu, Xinhui Xia, Jie Xiong, Yefeng Yang
Summary: In this study, NiS2@SnS2 hybrid spheres were delicately designed and constructed to improve the performance of tin-based sulfides as anodes for sodium-ion batteries. The NiS2@SnS2 hybrid composite demonstrated excellent high-rate and durable sodium storage behaviors, providing guidance for fabricating other high-performance SIBs with transition metal-based composite anodes.
SCIENCE CHINA-CHEMISTRY
(2022)
Article
Chemistry, Physical
Seoin Back, Seung-Ho Yu, Yuanzhe Piao, Juhyung Choi, Aihua Jin, Hyun Dong Jung, Dongjin Ko, Ji Hyun Um, Yoon Choi, So Hee Kim
Summary: This study presents a novel nanoarchitecture of nitrogen and sulfur co-doped graphene nanoribbons, which exhibit high capacity and stable cycling performance as anodes for potassium-ion batteries. Theoretical calculations demonstrate that graphene nanoribbons with NS co-doping have improved potassium-ion intercalation properties compared to parallel-edged nanoribbons.
ENERGY STORAGE MATERIALS
(2022)
Article
Energy & Fuels
Jiangang Wang, Xueying Li, Yalin Xu, Fenyan Duan, Shuai Yang, Zhenru Cao, Yuanyuan Dan, Lizhuang Chen, XiaoFang Cheng
Summary: Sodium-ion batteries are considered a potential candidate for energy application due to their abundant resources and low cost. However, the low rate performance and poor cyclability of cathodes have hindered their practical applications. In this work, a facile molten-salt combustion method was utilized to fabricate Na0.71Co0.96O2 microplates, which showed high rate performance and superior cyclability. This strategy has the potential to advance the fabrication of high-performance cathodes for sodium-ion batteries.
Article
Chemistry, Multidisciplinary
Luting Xie, Kui Xu, Wenlu Sun, Yingzhu Fan, Junyu Zhang, Yixiao Zhang, Hui Zhang, Jun Chen, Yanbin Shen, Fang Fu, Huabin Kong, Guan Wu, Jihuai Wu, Liwei Chen, Hongwei Chen
Summary: In this study, a 2D bivalve-like organic framework with localized ligands was utilized for multivalent cation storage through an intercalation pseudocapacitance mechanism. The organic cathode showed unprecedented fast kinetics and minimal structural change during intercalation, resulting in excellent power density and long cycling life for both Ca2+ and Zn2+ storage.
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
(2023)
Article
Chemistry, Physical
Hui Xu, Weijuan Wang, Genxi Yu, Liguang Qin, Yaqin Jiang, Luohan Ren, Jian Chen
ACS APPLIED ENERGY MATERIALS
(2020)
Article
Nanoscience & Nanotechnology
Hui Xu, Weijuan Wang, Liguang Qin, Genxi Yu, Luohan Ren, Yaqin Jiang, Jian Chen
ACS APPLIED MATERIALS & INTERFACES
(2020)
Article
Chemistry, Multidisciplinary
Luohan Ren, Genxi Yu, Hui Xu, Weijuan Wang, Yaqin Jiang, Mingyang Ji, Songjun Li
Summary: In this study, a novel doping-induced static activation method was developed to improve the Zn2+ storage activity of highly V-doped MnO2 cathodes by inducing the formation of active Zn3V2O7(OH)2·2H2O (ZVO) on the surface. The activated cathode exhibited significantly increased initial capacity and high capacity retention after cycling, attributed to a H+/Zn2+ synergetic pseudocapacitive mechanism. This static activation strategy shows great potential for fabricating high-activity cathodes for aqueous Zn-ion batteries.
ACS SUSTAINABLE CHEMISTRY & ENGINEERING
(2021)
Article
Energy & Fuels
Yaqin Jiang, Hui Xu, Luohan Ren, Mingyang Ji, Xiaojuan Shen, Songjun Li
Summary: A novel Mn0.26V2O5 center dot nH(2)O nanoribbon cathode was synthesized by a facile ion-preintercalated/-doped strategy for intercalation pseudocapacitive Zn2+ storage. The cathode exhibits high capacity, excellent capacity retention, and good rate performance, showing promising applications in the field of intercalation pseudocapacitive materials.
Article
Chemistry, Inorganic & Nuclear
Hui Xu, Dixiang Liu, Weijuan Wang, Genxi Yu
Summary: Heterostructures have been found to have better electrochemical performance due to the advantages of different materials and various synergistic effects. However, constructing a desired heterostructure is challenging due to the mismatch between different electrode materials. In this study, an amorphous heterostructure composed of Se-doped black phosphorus and metal-organic framework (MOF)-derived TiO2/C was successfully fabricated. The novel material not only had the advantages of heterostructures but also had considerable free volume in the amorphous domains, providing space and channels for ion diffusion.
INORGANIC CHEMISTRY
(2022)
Article
Nanoscience & Nanotechnology
Hui Xu, Liquan Yang
Summary: A hierarchically porous composite of amorphous MoO2/C nanospheres and interconnected graphene networks (MoO2/C-rGO) was fabricated, which showed enhanced electrochemical performance due to its oxygen-deficient amorphous nanostructure, open diffusion channels, and continuous conductive networks. This composite material has potential applications in lithium-ion batteries.
ACS APPLIED NANO MATERIALS
(2022)
Article
Chemistry, Inorganic & Nuclear
Yongqiang Zhang, Shuai Shao, Pingwei Ye, Limin Zhang, Xiaojuan Shen, Qiang Huang, Hui Xu, Huan Liu, Sumin Li
Summary: This study demonstrates the superior adsorption performance of Zr-MOFs/CAC composites for SO2 and NO2 through the growth of Zr-MOFs on activated carbon substrates. The synergistic effect between MOFs and activated carbon, as well as the increased mesoporosity and activated sites, contribute to the enhanced adsorption capacity of the composites.
INORGANIC CHEMISTRY
(2022)
Article
Engineering, Environmental
Weijuan Wang, Dixiang Liu, Yaqin Jiang, Daijie Zhang, Xiaojuan Shen, Sumin Li, Jun Liang, Hui Xu
Summary: By modifying the Zn2+ intercalation chemistry, the performance of vanadium oxides is improved through a reversible transition mechanism between V3O7/V6O13 compounds and ZVO. The utilization of active materials is enhanced, resulting in higher available capacity. Moreover, the open layered structure and water-lubricated channels of ZVO facilitate the diffusion of Zn2+/H+. Therefore, V3O7/V6O13 nanosheets are expected to be a high-performance and mass-produced cathode material for commercial AZIBs.
CHEMICAL ENGINEERING JOURNAL
(2023)
Article
Chemistry, Physical
Weijuan Wang, Hui Xu, Genxi Yu, Daming Chen, Shangqi Sun, Min Zhou, Jian Chen
Summary: The integrated flexible anode FeP/NC@CC shows high performance for flexible lithium-ion batteries, with anchor firmly structure to avoid shedding of active materials and porous design to facilitate electrolyte penetration and accommodate mechanical strain. With FeP nanocrystals embedded in NC frameworks, it also demonstrates good rate capability and cycling stability.
SUSTAINABLE ENERGY & FUELS
(2021)
Article
Chemistry, Physical
Genxi Yu, Yaping Wang, Kai Li, Daming Chen, Liguang Qin, Hui Xu, Jian Chen, Wei Zhang, Peigen Zhang, Zhengming Sun
Summary: This study successfully addressed the interface issues of solid electrolytes in lithium-ion batteries by employing LGPS-PVDF composite electrolytes and LGPS-PVDF@LCO composite electrodes, improving the performance of the batteries.
SUSTAINABLE ENERGY & FUELS
(2021)
Article
Chemistry, Physical
Weijuan Wang, Daming Chen, Hui Xu, Genxi Yu, Shangqi Sun, Wei Zhang, Jian Chen
SUSTAINABLE ENERGY & FUELS
(2020)
