Article
Chemistry, Multidisciplinary
Jiang Cui, Hongkui Zheng, Kai He
Summary: Conversion-type materials are being explored as potential high-energy-density alternatives for rechargeable ion batteries, with in situ TEM being extensively employed to provide mechanistic insights into the behavior of battery materials. This review comprehensively summarizes recent developments in in situ TEM techniques for investigating dynamic phase transformation and associated structural, morphological, and chemical evolutions during conversion reactions with alkali ions in secondary batteries, with a special emphasis on spinel metal oxides and 2D metal chalcogenides. Unique scientific findings obtained through in situ TEM are highlighted, addressing fundamental questions and practical issues related to phase transformation, structural evolution, electrochemical redox, reaction mechanism, kinetics, and degradation.
ADVANCED MATERIALS
(2021)
Article
Chemistry, Physical
So Yi Lee, Honggyu Seong, Geongil Kim, Youngho Jin, Joon Ha Moon, Wonbin Nam, Sung Kuk Kim, MinHo Yang, Jaewon Choi
Summary: Metal oxide-based anodes have limitations in practical application for Sodium-Ion Batteries (SIBs) due to volume expansion and low electronic conductivity. This paper addresses these issues by using SnO/rGO composites, which exhibit improved specific capacity, stability, and rate performance. Ex-situ XRD measurements are conducted to analyze the Na+ storage process in SnO.
APPLIED SURFACE SCIENCE
(2023)
Article
Engineering, Environmental
Decheng Zhao, Zhen Zhang, Jinghui Ren, Yuanyuan Xu, Xiangyu Xu, Jian Zhou, Fei Gao, Hao Tang, Shupei Liu, Zhoulu Wang, Di Wang, Yutong Wu, Xiang Liu, Yi Zhang
Summary: Uniform small iron vanadate nanoparticles grown on reduced graphene oxide form a conductive-network, which exhibits stable high capacity, remarkable rate capability, and excellent long-cycle stability, making it an ideal anode material for high-rate and durable lithium and sodium-ion batteries.
CHEMICAL ENGINEERING JOURNAL
(2023)
Article
Energy & Fuels
Xiaofei Sun, Zikang Wang, Anastase Ndahimana, Yanbin Han, Qinghe Bo, Xiaotong Gu, Jianlei Cui, Xuesong Mei
Summary: This paper reports the facile preparation of NVPFO/rGO composite using an in-situ solid-state approach. The composite exhibits excellent performance with stable crystallographic structure, high electric conductivity, and fast Na+ diffusivity.
JOURNAL OF ENERGY STORAGE
(2023)
Article
Chemistry, Physical
Hongyan Zhou, Yanming Zhao, Yan Jin, Qinghua Fan, Youzhong Dong, Quan Kuang
Summary: In this study, a flower-like Ni2P/CoP@rGO heterostructures were designed and used as anodes for lithium-ion batteries (LIBs) and sodium-ion batteries (SIBs). The heterostructures showed abundant heterointerfaces, vacancies, and high specific surfaces, which improved the transport kinetics of Li-ion/Na-ion and increased reaction active sites. The introduction of graphene enhanced structural stability and accelerated the charge transfer rate. This work demonstrated that rational design of heterostructure materials is a feasible strategy for achieving high-performance energy storage.
JOURNAL OF POWER SOURCES
(2023)
Article
Chemistry, Physical
Guorui Yang, Ziyi Zhou, Xiaofeng Liu, Yue Zhang, Silan Wang, Wei Yan, Shujiang Ding
Summary: The research indicates that hollow bowl-shaped porous carbon materials modified with graphene can act as high-performance anode materials for sodium-ion batteries, exhibiting high reversible capacity, excellent rate capability, and cycling stability. These materials possess good electrical conductivity and large surface area, which improve sodium ion adsorption and diffusion, leading to superior capacity and rate performance in sodium-ion batteries.
JOURNAL OF COLLOID AND INTERFACE SCIENCE
(2023)
Article
Engineering, Environmental
Xintong Lian, Na Xu, Yanchen Ma, Feng Hu, Huaixin Wei, Han-Yi Chen, Yongzhi Wu, Linlin Li, Diansen Li, Shengjie Peng
Summary: A reliable synthetic approach was reported for the in-situ growth of Co-based ZIF-67 on electrospun nanofibers, followed by carbonization and sulfurization to form Co1-xS hollow polyhedrons anchored on multichannel carbon nanofibers (Co1-xS/MCF) for LIBs and SIBs. The resulting binder-free Co1-xS/MCF anode demonstrated advanced electrochemical properties for both LIBs and SIBs, attributed to the unique multichannel nanostructure and Co1-xS hollow polyhedrons providing active sites and reducing structural strain.
CHEMICAL ENGINEERING JOURNAL
(2021)
Article
Chemistry, Physical
Ruipeng Wei, Yutao Dong, Yingying Zhang, Ran Zhang, Mohammed A. Al-Tahan, Jianmin Zhang
Summary: The F-doped hollow urchin Co-MOF/rGO composite shows excellent reversibility, rate performance, and cyclic stability in LIBs, with high capacity retention in full cell configurations.
JOURNAL OF COLLOID AND INTERFACE SCIENCE
(2021)
Article
Nanoscience & Nanotechnology
Jiande Liu, Yingfan Chang, Kai Sun, Pengqian Guo, Dianliang Cao, Yaodong Ma, Dequan Liu, Qiming Liu, Yujun Fu, Jie Liu, Deyan He
Summary: In this study, sheet-like stacking SnS2/reduced graphene oxide (rGO) heterostructures were developed, which improved the binding energy of the material and enhanced its conductivity and capacity. The SnS2/rGO heterostructure anode showed high reversible capacity and cycle stability, and the reaction mechanism and ion diffusion behavior were revealed.
ACS APPLIED MATERIALS & INTERFACES
(2022)
Article
Chemistry, Multidisciplinary
Leqiang Wu, Hengjia Shao, Chen Yang, Xiangmin Feng, Linxuan Han, Yanli Zhou, Wei Du, Xueqin Sun, Zhijun Xu, Xiaoyu Zhang, Fuyi Jiang, Caifu Dong
Summary: The SnS2/RGO composite synthesized through a solvothermal and annealing process shows excellent performance and stability as anodes for sodium-ion batteries and phosphorus-ion batteries, demonstrating promising potential for future applications.
Article
Chemistry, Analytical
Sakshee Chandel, Zulki Fli, Jay Singh, Jaekook Kim, Alok Kumar Rai
Summary: In this study, a nanocomposite of sodium titanate integrated with reduced graphene oxide (Na2Ti6O13/rGO) was fabricated through a solvothermal method and used as an anode material for sodium-ion batteries. The rGO nanosheets act as electrically conductive paths and facilitate the intercalation/de-intercalation of sodium ions, leading to improved electrochemical performances.
JOURNAL OF ELECTROANALYTICAL CHEMISTRY
(2023)
Article
Engineering, Environmental
Zhenyan Liang, Mingzhi Yang, Shouzhi Wang, Bin Chang, Huayao Tu, Yongliang Shao, Baoguo Zhang, Huaping Zhao, Yong Lei, Jianxing Shen, Yongzhong Wu, Xiaopeng Hao
Summary: The study introduces a method to prepare hollow nickel-cobalt-manganese selenide submicrospheres, which exhibit superior lithium and sodium storage capacity, high reversible capacity, and good cycling stability.
CHEMICAL ENGINEERING JOURNAL
(2021)
Article
Materials Science, Multidisciplinary
Yanan Xu, Xiaofeng Liu, Hang Su, Shan Jiang, Jianmin Zhang, Dan Li
Summary: The composite of hierarchical CoSe2-MoSe2 tubes anchored on reduced graphene oxide nanosheets (CoSe2-MoSe2/rGO) showed improved reaction kinetics and structural stability, resulting in good electrochemical properties. A combination mechanism of intercalation and conversion of CoSe2-MoSe2/rGO by forming NaxCoSe2 and Mo15Se19 as intermediate states is proposed based on in situ and ex situ XRD analyses.
ENERGY & ENVIRONMENTAL MATERIALS
(2022)
Article
Chemistry, Physical
Lin-bo Tang, Bao Zhang, Tao Peng, Zhen-jiang He, Cheng Yan, Jing Mao, Kehua Dai, Xian-wen Wu, Jun-chao Zheng
Summary: SnS, a two-dimensional layered material, shows promising potential for sodium storage as an anode material due to its high theoretical capacity and large interlayer spacing, despite challenges such as large volume expansion and low electronic conductivity. The synthesis of a MoS2/SnS@C hollow hierarchical nanotube structure can effectively enhance structural stability and increase capacitance contribution ratio. Utilization of these composites as anode materials in sodium-ion batteries results in excellent rate and cycle performance.
Article
Engineering, Environmental
Hanwen Zhang, Liuxue Shen, Xiaodong Geng, Jianxin Zhang, Yue Jiang, Hongting Ma, Quanli Liu, Kai Yang, Junlin Ma, Nan Zhu
Summary: In this study, a non-stoichiometric synthesized strategy was used to prepare N3.5MTP@MXene-rGO composite material. The as-fabricated composite showed excellent electrical conductivity and energy storage performance, making it a promising cathode material for sodium batteries.
CHEMICAL ENGINEERING JOURNAL
(2023)
Article
Chemistry, Multidisciplinary
Zhengang Li, Shiyuan Zhou, Xiaohong Wu, Baodan Zhang, Xiaoyu Yu, Fei Pei, Hong-Gang Liao, Yu Qiao, Haoshen Zhou, Shi-Gang Sun
Summary: This study investigates the use of an ordered pore-window zeolite molecular sieve to effectively block the shuttle of soluble species within a battery, resulting in improved battery performance. By coating a thin zeolite layer on a celgard separator, the separation function of zeolite and its ability to scavenge water is demonstrated through various analytical techniques. The findings suggest that this zeolite-based separator can be extended to other rechargeable battery systems.
ADVANCED FUNCTIONAL MATERIALS
(2023)
Article
Chemistry, Multidisciplinary
Hongfeng Li, Haohao Shi, Xinyi Chen, Zhen Ren, Yu Shen, Peng Wu, Yun Fan, Xinglong Zhang, Wenxiong Shi, Honggang Liao, Suoying Zhang, Weina Zhang, Fengwe Huo
Summary: A convenient strategy for constructing metal-organic framework (MOF) films is demonstrated using modulators to achieve homogeneous assembly of MOF clusters. This strategy stabilizes small clusters during early growth steps, forming fluidic precursors with good processibility. MOF films can be formed by removing the modulators and triggering the crosslinking of MOF clusters, with the ability to fabricate various types of films with large scale and controllable thickness.
ADVANCED MATERIALS
(2023)
Review
Biochemical Research Methods
Ruijie Yang, Liang Mei, Yingying Fan, Qingyong Zhang, Hong-Gang Liao, Juan Yang, Ju Li, Zhiyuan Zeng
Summary: Understanding complex electrochemical reactions in energy devices has gained global attention. In situ liquid cell transmission electron microscopy allows real-time visualization and analysis of these reactions at the nano scale. This protocol provides detailed procedures for fabricating electrochemical liquid cells and conducting in situ TEM observation of electrochemical reactions. The experimental results demonstrate the potential of this protocol in fabricating high-quality TEM liquid cells and exploring dynamic electrochemical reactions with high resolution.
Article
Chemistry, Multidisciplinary
Leiyu Chen, Chao-Lung Chiang, Xiaohong Wu, Yonglin Tang, Guifan Zeng, Shiyuan Zhou, Baodan Zhang, Haitang Zhang, Yawen Yan, Tingting Liu, Hong-Gang Liao, Xiaoxiao Kuai, Yan-Gu Lin, Yu Qiao, Shi-Gang Sun
Summary: By introducing a fluorine-containing electrolyte and a cathode pre-lithiation strategy, the lifespan of anode-free lithium metal batteries can be extended without sacrificing energy density.
Article
Chemistry, Multidisciplinary
Baodan Zhang, Yiming Zhang, Xiaotong Wang, Hui Liu, Yawen Yan, Shiyuan Zhou, Yonglin Tang, Guifan Zeng, Xiaohong Wu, Hong-Gang Liao, Yongfu Qiu, Huan Huang, Lirong Zheng, Juping Xu, Wen Yin, Zhongyuan Huang, Yinguo Xiao, Qingshui Xie, Dong-Liang Peng, Chao Li, Yu Qiao, Shi-Gang Sun
Summary: Element doping/substitution can enhance the structural stability of layered cathodes. The study on Li1.2Ni0.2Mn0.6O2 reveals that the degree of disorder induced by Mg/Ti substitution affects the stability of TM-O, Li+ diffusion, and anion redox reversibility, leading to distinct electrochemical performance.
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
(2023)
Article
Biochemistry & Molecular Biology
Mei-Hong Tong, Yan-Xin Chen, Tian-Ming Wang, Shi-Wei Lin, Gen Li, Qian-Qian Zhou, Rui Chen, Xia Jiang, Hong-Gang Liao, Can-Zhong Lu
Summary: In this study, Ce-doped TiO2 (Ce/TiO2) was successfully prepared using the sol-gel method. The structural characterization methods confirmed that Ce was doped in the lattice of anatase TiO2, resulting in a smaller grain size. The performance test results showed that Ce doping significantly enhanced the charge transport efficiency and broadened the light absorption range, leading to higher photocatalytic performance.
Article
Chemistry, Multidisciplinary
Fanwei Zeng, Youhong Jiang, Nana He, Tiantian Guo, Tiqing Zhao, Mi Qu, Yue Sun, Shuting Chen, Dan Wang, Yong Luo, Guangwen Chu, Jianfeng Chen, Shi-Gang Sun, Hong-Gang Liao
Summary: The function of disulfide bonds during the self-assembly and structural evolution of sulfhydryl single-stranded DNA (SH-ssDNA) was explored using in situ liquid-phase transmission electron microscopy (LP-TEM). Sulfhydryl groups induced self-assembly of SH-ssDNA into circular DNA containing disulfide bonds (SS-cirDNA). Disulfide bond interaction triggered the aggregation of two SS-cirDNA macromolecules along with significant structural changes. This visualization strategy provided nanometer resolution structure information in real time and space, benefiting future biomacromolecules research.
COMMUNICATIONS CHEMISTRY
(2023)
Article
Nanoscience & Nanotechnology
Zhefei Sun, Miao Li, Zhiming Zheng, Zhilin Chen, Hehe Zhang, Bensheng Xiao, Baihua Qu, Bing Jiang, Honggang Liao, Li Zhang, Meicheng Li, Qiaobao Zhang, Ming-Sheng Wang
Summary: Researchers have developed a dual core-shell structured Si-based nanocomposite for lithium-ion batteries. The composite consists of a Si nanoparticle core, a Li3PO4/Li4P2O7 shell, and a void-preserving F-doped carbon shell, which improves the cycling stability and performance of the anode. The composite shows a reversible capacity of 569 mAh/g after 500 cycles and a good cycling performance in full cell assembly.
MATERIALS TODAY NANO
(2023)
Article
Nanoscience & Nanotechnology
Hui Chen, Yu-Xiang Xie, Shi-Shi Liu, Hao Peng, Wei-Chen Zheng, Peng Dai, Yi-Xin Huang, Miaolan Sun, Mengwei Lin, Ling Huang, Shi-Gang Sun
Summary: A functional electrolyte additive PANHF was synthesized and it improved the reversibility and Coulombic efficiency of the Li deposition/dissolution reaction and prevented the growth of Li dendrites. The cycling performance of Li/Li cell was greatly improved with PANHF, achieving more than 700 cycles at a current density of 1.0 mA cm(-2). The Li/NCM811 cell with PANHF showed a higher capacity and better capacity retention after cycling.
ACS APPLIED MATERIALS & INTERFACES
(2023)
Article
Chemistry, Multidisciplinary
Yawen Yan, Yichun Zheng, Haitang Zhang, Jianken Chen, Guifan Zeng, Lingling Wang, Baodan Zhang, Shiyuan Zhou, Yonglin Tang, Ang Fu, Lirong Zheng, Huan Huang, Yue Zou, Chuan-Wei Wang, Xiaoxiao Kuai, Yang Sun, Yu Qiao, Shi-Gang Sun
Summary: A simple and economic blending strategy is used to fabricate an olivine-LiCoO2 blended cathode with superior comprehensive performance. The strong bonding affinity at the interface of olivine/LiCoO2 and the activation of olivine by LiCoO2 improve the structural and thermal stability, leading to a stable operation under harsh cycling conditions.
ADVANCED FUNCTIONAL MATERIALS
(2023)
Article
Multidisciplinary Sciences
Sangui Liu, Xinbao Han, Colin Ophus, Shiyuan Zhou, You-Hong Jiang, Yue Sun, Tiqing Zhao, Fei Yang, Meng Gu, Yuan-Zhi Tan, Shi-Gang Sun, Haimei Zheng, Hong-Gang Liao
Summary: When an ionic crystal dissolves in a solvent, the associated positive and negative ions are released. However, the understanding of the form, interaction, and dynamics of ions in real solution is limited due to experimental challenges. Using liquid phase transmission electron microscopy, we observed the diffusion and aggregation of POM ions in water. Real-time observation revealed unexpected local reciprocating hopping motion of ions, possibly due to short-range polymerized bridges of water molecules. Ion oligomers in dilute solution undergo frequent splitting, aggregation, and rearrangement, indicating weak counterion-mediated interaction. Furthermore, POM ions with tetrahedral geometry exhibit directional interaction and structure-dependent dynamics compared to spherical ions.
Article
Chemistry, Physical
Leiyu Chen, Chao-Lung Chiang, Guifan Zeng, Yonglin Tang, Xiaohong Wu, Shiyuan Zhou, Baodan Zhang, Haitang Zhang, Yawen Yan, Tingting Liu, Hong-Gang Liao, Chuanwei Wang, Xiaoxiao Kuai, Yan-Gu Lin, Yu Qiao, Shi-Gang Sun
Summary: Pre-lithiation strategies, such as cathode pre-lithiation and contact pre-lithiation, have been introduced to improve the reversibility of lithium-ion plating/stripping and achieve long-lifetime anode-free lithium metal batteries (AF-LMBs).
JOURNAL OF MATERIALS CHEMISTRY A
(2023)