Article
Chemistry, Physical
Zhixuan Huang, Kaifeng Yu, Doudou Wang, Ye Zhang, Lili Li, Ce Liang
Summary: A facile method for fabricating anode nanocomposites with efficient lithium/sodium storage and excellent cycling stability is reported. The nanocomposites consist of iron phytate nanoparticles embedded in TiO2 and N, P-doped Fe2P@TiO2 core-shell carbon nanofibers. The nanocomposites exhibit high energy density, improved electron transport, and cycling stability due to the structural defects induced by the doped carbon fiber and the inhibiting effect of the TiO2 shell. The anode nanocomposites show outstanding electrochemical performance in lithium/sodium-ion batteries.
COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS
(2022)
Article
Chemistry, Physical
Jiantong Sun, Cheng Liu, Huili Wang, Yu Cao, Xinpeng Han, Shaojie Zhang, Haipeng Wang, Yiming Zhang, Aibing Chen, Zhanxu Yang, Jie Sun
Summary: A phosphorus/carbon nanotube@polypyrrole (BP/CNT@PPy) composite with good performance was successfully synthesized using a simple method, showing excellent stability in the application of lithium-ion batteries.
ACS APPLIED ENERGY MATERIALS
(2021)
Article
Chemistry, Physical
Bo Li, Yuguang Pu, Ting Zhang, Wei Gao
Summary: This study proposes a facile method of synthesizing a yolk-shelled Sn@void@TiO2-x composite using sequential coating and shell-to-core evolution. The optimized void space accommodates the expansion of the Sn core, while the solid TiO2-x outer shell stabilizes the SEI layer and improves electrical conductivity. The electrode demonstrates excellent electrochemical performance.
APPLIED SURFACE SCIENCE
(2022)
Article
Electrochemistry
Jiwen Li, Wenli Yao, Fangcong Zhang, Xianfa Rao, Qian Zhang, Shengwen Zhong, Hongwei Cheng, Zhengquan Yan
Summary: A simple and efficient method was developed for constructing porous SnO2 microsphere and its carbon nanotube hybrids by changing solvent kinds under microwave-radiation conditions. The electrochemical performance of the materials showed promising results in terms of charge capacity, cycle stability, and specific capacity.
ELECTROCHIMICA ACTA
(2021)
Article
Chemistry, Physical
Zijin Yang, Xianying Qin, Kui Lin, Qiuchan Cai, Cuiping Han, Feiyu Kang, Baohua Li
Summary: A template-free heterogeneous carbonization strategy was reported for fabricating SnO2/carbon/void/carbon nanofibers compound membrane, which acts as a buffer layer for volume changes of SnO2. Reduced graphene oxide was introduced to construct a free-standing electrode with a conductive network for improved electrochemical performances in lithium/sodium-ion batteries. The SCVC-rGO anodes showed higher reversible capacity, longer lifespan, and superior rate capability in both battery systems.
Article
Chemistry, Physical
Junchao Zhu, Hui Wang, Rongying Lin
Summary: The Si@SnO2 material with a coating structure effectively alleviates the volume expansion stress of silicon and improves its electrical conductivity, resulting in excellent electrochemical performance.
APPLIED SURFACE SCIENCE
(2022)
Article
Chemistry, Physical
Mingqiang Qi, Jiawei Long, Yingyi Ding, Xinya Diao, Yijing Meng, Linlin Wang, Zeng Pan, Jinyun Liu
Summary: Combining hollow yolk-shell structure and surface modification is an effective strategy to enhance the performance of lithium-ion battery anodes. The use of a nanosheets-coated multiple-layered SnO2@NiMoO4 composite demonstrates the synergistic effect between multi-layered SnO2 microspheres and NiMoO4 nanosheets, leading to improved electrochemical properties. The reversible capacity of the SnO2@NiMoO4 anode is competitive and shows potential for developing high-performance Li-ion battery systems.
JOURNAL OF ALLOYS AND COMPOUNDS
(2021)
Review
Chemistry, Multidisciplinary
Suzhe Liang, Xiaoyan Wang, Ruoxuan Qi, Ya-Jun Cheng, Yonggao Xia, Peter Mueller-Buschbaum, Xile Hu
Summary: This review discusses the potential and challenges of using titanium dioxide of bronze phase (TiO2(B)) as an anode material in lithium/sodium-ion batteries. It provides insights into the evolution of research on TiO2(B) anodes and suggests future directions for their practical application.
ADVANCED FUNCTIONAL MATERIALS
(2022)
Article
Chemistry, Analytical
Shanlin Li, Yixin Song, Yong Wan, Jun Zhang, Xianghong Liu
Summary: A unique hybrid structure of titanium dioxide nanoflowers percolated with carbon nanotubes was designed to improve the performance of lithium-ion batteries. The optimized TiO2@CNTs anode showed excellent long-term cycle performance and reversibility. This work provides a new perspective for efficient lithium storage in high performance anode materials.
JOURNAL OF ELECTROANALYTICAL CHEMISTRY
(2023)
Article
Chemistry, Physical
Xiaoya Gao, Zicheng Zuo, Fan Wang, Qian Chang, Houhe Pan, Liang Li, Feng He, Yuliang Li
Summary: In this study, a facile method was developed to construct a freestanding transition metal oxides anode with consecutive nanoarrays of yolk-shell nanorods. The obtained anode demonstrated a zero-strain, ultra-stable architecture and interface, leading to high specific capacity and enhanced cycling ability.
ENERGY STORAGE MATERIALS
(2022)
Article
Chemistry, Physical
Shuqing Nie, Qiuyun Wang, Chang Miao, Shuxin Chen, Yu Xin, Wei Xiao
Summary: SnO2 nanoparticles encapsulated in nitrogen-doped carbon composite powders were successfully synthesized through in-situ polymerization and carbonization processes. The SnO2 nanoparticles were uniformly dispersed in the carbon matrix, thanks to the presence of polyaniline (PANI) acting as a dispersant. The resulting electrode displayed high lithium storage capacity and excellent electrochemical performance, making it a promising anode material for lithium-ion batteries.
SOLID STATE IONICS
(2023)
Article
Energy & Fuels
Yuan Yuan, Yuanming Shao, Xiaoping Zhou
Summary: A Cu-ZrO2-TiO2/CNTs material was synthesized through the thermal decomposition of a metal organic polymer, which exhibited higher specific capacity and rate capability. The material consisted of nano pores and oxygen vacancies, providing diffusion channels and storage positions for lithium ions. The presence of Zr4+ ions stabilized the pore structure, and the material also showed enhanced electrical conductivity. A cycling life-time test demonstrated a high specific capacity and a good capacity retention rate.
INTERNATIONAL JOURNAL OF ENERGY RESEARCH
(2022)
Article
Chemistry, Multidisciplinary
Muhammad Iftikhar, Basit Ali, Talha Nisar, Veit Wagner, Ali Haider, Ata-ur-Rehman, Sajjad Hussain, Ali Bahadar, Muhammad Saleem, Syed Mustansar Abbas
Summary: An innovative approach of using WO3 coating to produce a core-shell structure on SnO2 surface resulted in higher specific capacity and cycling stability. The WO3 shell acted as an effective enhancer for current rate and specific capacity of SnO2 nanoarchitectures, leading to an enhancement in cyclic stability. This study demonstrates the potential application of WO3 as a coating material to improve cyclic characteristics of other metal oxide materials.
Article
Engineering, Environmental
Dongdong Liu, Zengyan Wei, Liming Liu, Hong Pan, Xiaoming Duan, Long Xia, Bo Zhong, Huatao Wang, Dechang Jia, Yu Zhou, Xiaoxiao Huang
Summary: An effective strategy of anchoring ultrafine and high content SnO2 nanoparticles in ordered mesoporous carbon framework is proposed to improve the reversible capacity and sluggish reaction kinetics of SnO2-based anodes in lithium ion batteries. The ultrafine SnO2 and ordered mesoporous structure shorten diffusion distance of Li+ and enhance conversion reaction of SnO2, leading to high reversible capacity and excellent rate capabilities. The elaborately designed SnO2@OMC anodes exhibit stable capacity even after assessment of rate capability.
CHEMICAL ENGINEERING JOURNAL
(2021)
Article
Chemistry, Physical
Jing Wang, Haowen Liu, Hengcai Wu, Qunqing Li, Yuegang Zhang, Shoushan Fan, Jiaping Wang
Summary: Research shows that using carbon nanotube aerogels coated with amorphous carbon can improve the practical application of lithium metal anodes by providing a solid structure to reduce local current density, suppress lithium dendrites growth, and achieve better electrochemical performance.
Review
Chemistry, Physical
Hyeokjun Park, Orapa Tamwattana, Jihyeon Kim, Sunisa Buakeaw, Rattiya Hongtong, Byunghoon Kim, Piyachai Khomein, Gao Liu, Nonglak Meethong, Kisuk Kang
Summary: Despite decades of research, uncontrolled lithium growth and accompanying side reactions continue to hinder the development of lithium metal batteries.
ADVANCED ENERGY MATERIALS
(2021)
Article
Chemistry, Multidisciplinary
Myeong Hwan Lee, Jongha Lee, Sung-Kyun Jung, Dayoung Kang, Myung Soo Park, Gi Doo Cha, Kyoung Won Cho, Jun-Hyuk Song, Sehwan Moon, Young Soo Yun, Seok Joo Kim, Young Woon Lim, Dae-Hyeong Kim, Kisuk Kang
Summary: The production of rechargeable batteries is rapidly expanding, introducing new challenges in minimizing the environmental impact of disposing used batteries. A novel eco-friendly and biodegradable sodium-ion secondary battery has been developed, with each component decomposing into non-toxic compounds or elements in nature, offering a potential eco-friendly paradigm for large-scale rechargeable battery systems.
ADVANCED MATERIALS
(2021)
Review
Chemistry, Multidisciplinary
Qiao Ni, Byunghoon Kim, Chuan Wu, Kisuk Kang
Summary: This article comprehensively reviews the recent research progress on non-electrode components in AZBs, including the introduction of new types of electrolytes, attempts to tailor SEI, and design efforts for multi-functional current collectors, binders, and separators. The challenges and future research directions in this field are also discussed.
ADVANCED MATERIALS
(2022)
Review
Chemistry, Multidisciplinary
Kyungho Yoon, Sunyoung Lee, Kyungbae Oh, Kisuk Kang
Summary: The significant improvement in the ionic conductivity of inorganic solid electrolytes has made commercialization of solid-state batteries possible, allowing for the utilization of lithium metal anodes without safety risks. However, challenges such as poor cycle stability and low energy efficiency in solid-state lithium metal batteries persist, requiring efforts to overcome interface stability and dendrite growth of lithium metal.
ADVANCED MATERIALS
(2022)
Article
Chemistry, Physical
Do-Hoon Kim, Jun-Hyuk Song, Chul-Ho Jung, Donggun Eum, Byunghoon Kim, Seong-Hyeon Hong, Kisuk Kang
Summary: This study investigates the feasibility of doping strategies to improve the cycle stability of high-nickel NCM cathodes in lithium-ion batteries. A three-step screening process is used to identify effective dopants based on density functional theory calculations. The study successfully synthesizes a silicon-doped cathode with superior electrochemical performance compared to the undoped counterpart. Additionally, a comprehensive map of dopants for potential applicability is presented, providing guidance for an effective doping strategy for high-nickel NCM cathodes.
ADVANCED ENERGY MATERIALS
(2022)
Article
Green & Sustainable Science & Technology
Byunghoon Kim, Jun-Hyuk Song, Donggun Eum, Seungju Yu, Kyungbae Oh, Myeong Hwan Lee, Ho-Young Jang, Kisuk Kang
Summary: This study provides a theoretical framework to understand the trilateral correlation of oxygen redox, structural disorder, and bond covalency. Structural disorder associated with anionic redox stabilizes the oxygen redox by promoting the formation of oxygen covalent bonds, enhancing electrochemical reversibility.
NATURE SUSTAINABILITY
(2022)
Article
Nanoscience & Nanotechnology
Cu Dang Van, Jae Ryeol Jeong, Kyungho Yoon, Kisuk Kang, Min Hyung Lee
Summary: In this study, a core-shell structure of molybdenum-based nanoparticle/carbon nanotube (CNT)/carbon is successfully synthesized and applied as anode material for lithium-ion batteries (LIBs). The research shows that this structure can improve the capacity and stability of LIBs, with ultrafine nanoparticles enhancing pseudocapacitance and the conductivity of CNT contributing to stability at high current density.
ACS APPLIED NANO MATERIALS
(2022)
Article
Multidisciplinary Sciences
Sunyoung Lee, Kyeong-Su Lee, Sewon Kim, Kyungho Yoon, Sangwook Han, Myeong Hwan Lee, Youngmin Ko, Joo Hyeon Noh, Wonju Kim, Kisuk Kang
Summary: A rational layer-by-layer strategy using a lithiophilic and electron-blocking multilayer is demonstrated to enhance the performance and stability of all-solid-state batteries, by effectively blocking electron leakage and maintaining low electronic conductivity. This results in homogeneous lithium plating/stripping and achieves high critical current densities. A full cell paired with a commercial-level cathode exhibits exceptional durability and coulombic efficiency, setting a new performance record for all-solid-state lithium metal batteries.
Article
Chemistry, Physical
Jooha Park, Sung Joo Kim, Kyungmi Lim, Jiung Cho, Kisuk Kang
Summary: This study demonstrates that reconfiguring sodium intercalation via partial solvent cointercalation improves the reversibility and cycle stability of sodium-ion battery electrodes, enhancing the sodium intercalation capability.
ACS ENERGY LETTERS
(2022)
Review
Nanoscience & Nanotechnology
Jihyeon Kim, Youngsu Kim, Jaekyun Yoo, Giyun Kwon, Youngmin Ko, Kisuk Kang
Summary: Transition-metal-free organic rechargeable batteries are promising alternatives to lithium-ion batteries, with potential cost-effectiveness and eco-friendliness. This review evaluates the current status of organic rechargeable batteries and discusses their potential in various post-lithium-ion-battery platforms.
NATURE REVIEWS MATERIALS
(2023)
Article
Chemistry, Physical
Jaekyun Yoo, Byunghoon Kim, Byungju Lee, Jun-hyuk Song, Kisuk Kang
Summary: Selecting chemically compatible functional materials is crucial for the assembly and long-term stability of multi-component systems. In the design of organic-based batteries, the compatibility between organic compounds for the electrode and electrolyte is important. A new artificial neural network platform called ImRRNet was developed to predict the chemical reactivities of any combination of two organic compounds. The accuracy of ImRRNet was remarkably higher than previous models, making it suitable for practical use in the design of multi-component organic-based rechargeable batteries.
JOURNAL OF MATERIALS CHEMISTRY A
(2023)
Article
Chemistry, Physical
Sewon Kim, Gabin Yoon, Sung-Kyun Jung, SeonTae Park, Ju-Sik Kim, Kyungho Yoon, Sunyoung Lee, Kisuk Kang
Summary: This study successfully designs an interlayer that enables preferred directional lithium growth in high-power lithium-metal batteries, enhancing the stability and durability of the interface. The optimized interlayer paired with solid electrolyte exhibits outstanding performance.
ACS ENERGY LETTERS
(2022)
Article
Chemistry, Multidisciplinary
Wonju Kim, Joohyeon Noh, Sunyoung Lee, Kyungho Yoon, Sangwook Han, Seungju Yu, Kun-Hee Ko, Kisuk Kang
Summary: Halide solid electrolytes are a promising option for cathode-compatible catholytes in solid-state batteries (SSBs) due to their superior oxidation stability and interfacial stability. However, their long-term aging at the cathode interface has not been explored before, which is crucial for practical deployment.
ADVANCED MATERIALS
(2023)
Article
Chemistry, Multidisciplinary
Youngmin Ko, Kyoungoh Kim, Jaekyun Yoo, Giyun Kwon, Hyeokjun Park, Jihyeon Kim, Byungju Lee, Jun-Hyuk Song, Jinsoo Kim, Kisuk Kang
Summary: This study elucidates the kinetic mechanism of redox-mediated oxygen reduction reactions in lithium-oxygen batteries using benzoquinone derivatives. It reveals that the oxygen reduction by the redox mediator occurs via inner-sphere electron transfer, and its kinetics is significantly affected by the steric hindrance effects. The electrochemical performance is governed by both the kinetics of redox mediators and their steric hindrance.
ENERGY & ENVIRONMENTAL SCIENCE
(2023)
Article
Chemistry, Physical
Chul-Ho Jung, Qingtian Li, Do-Hoon Kim, Donggun Eum, Donghyun Ko, Jonghyun Choi, Jongwon Lee, Kyeong-Ho Kim, Kisuk Kang, Wanli Yang, Seong-Hyeon Hong
Summary: The study successfully achieved electrochemically stabilized Ni-rich LiNi0.92Co0.04Mn0.04O2 through Zr doping, resulting in a 15% increase in capacity retention after 100 cycles. In-depth investigations revealed the critical role of Zr doping in lattice oxygen stability, which positively contributes to the cathode electrochemical reversibility.
JOURNAL OF MATERIALS CHEMISTRY A
(2021)
