Article
Nanoscience & Nanotechnology
Ying Liang, Shundong Guan, Chengzhou Xin, Kaihua Wen, Chuanjiao Xue, Hetian Chen, Sijie Liu, Xinbin Wu, Haocheng Yuan, Liangliang Li, Ce-Wen Nan
Summary: The molecular weight of PVDF has been found to have an impact on the electrochemical properties of solid-state electrolytes, with higher molecular weight resulting in better performance.
ACS APPLIED MATERIALS & INTERFACES
(2022)
Article
Nanoscience & Nanotechnology
Ying Liang, Shundong Guan, Chengzhou Xin, Kaihua Wen, Chuanjiao Xue, Hetian Chen, Sijie Liu, Xinbin Wu, Haocheng Yuan, Liangliang Li, Ce-Wen Nan
Summary: Polymer-based electrolytes, particularly those based on poly(vinylidene difluoride) (PVDF), show great potential for solid-state batteries due to their excellent electrochemical properties. The molecular weight of PVDF influences the electrolyte's electrochemical performance, with higher molecular weight PVDF (PVDF 5130) offering better performance and extended cycle life for solid-state batteries.
ACS APPLIED MATERIALS & INTERFACES
(2022)
Article
Materials Science, Multidisciplinary
Ze Zhang, Meiling Zhou, Ji Yu, Jianxin Cai, Zhenyu Yang
Summary: The novel reinforced composite separator, consisting of modified commercial paper with PVDF, exhibits excellent electrolyte wettability, high ionic conductivity, thermal stability, mechanical strength, and outstanding interfacial compatibility with Li metal anode. This composite separator significantly improves the cycle durability and rate performance of Li-ion batteries, indicating great potential for high-safety and electrochemical performance batteries.
ENERGY & ENVIRONMENTAL MATERIALS
(2021)
Article
Chemistry, Physical
Luyu Gan, Rusong Chen, Xilin Xu, Mingwei Zan, Quan Li, Qiyu Wang, Xiqian Yu, Hong Li
Summary: The lithium metal anode, with its highest specific capacity and lowest potential, has become a popular topic in battery research. Despite efforts to improve its electrochemical performances, safety issues remain a major obstacle. This study compares the thermal stability of metallic lithium deposited in carbonate- and ether-based electrolytes, revealing the possible thermal runaway reaction chains in lithium metal batteries and proposing modification strategies to enhance thermal stability.
JOURNAL OF POWER SOURCES
(2022)
Article
Energy & Fuels
Wenxiang Chen, Zhihong Luo, Xiangqun Zhuge, Zhengping Ding, Yurong Ren, Adil Loya, Yibing Li, Kun Luo
Summary: In this study, an ionic liquid modified sulfonated poly(vinylidene fluoride) membrane was fabricated, which showed improved conductivity while maintaining impermeability and ionic selectivity. The application of this membrane in LOBs significantly extended cycle life and improved performance.
JOURNAL OF ENERGY STORAGE
(2022)
Article
Chemistry, Physical
Xiaohong Tan, Jiawei Liu, Qianhong Huang, Yangjun Wu, Xiaoming Lin, Akif Zeb, Zhongzhi Yuan, Xuan Xu, Yifan Luo
Summary: The spherical hollow manganese fluoride nanoparticles embedded carbon anode material synthesized by the vapor-solid method exhibits excellent long cycle performance, with high electrical conductivity, numerous active sites, and capacity exceeding theoretical capacity.
JOURNAL OF ALLOYS AND COMPOUNDS
(2022)
Article
Energy & Fuels
Xiutao Li, Feng Zhang, Mengjie Zhang, Zhenyang Zhou, Xiaomeng Zhou
Summary: To improve the performance and safety of polymer separators, chromium-based MOFs (Cr-MOFs) namely MIL-88B(Cr) and MIL-101(Cr) were studied as coatings. Compared with inorganic coating (Al2O3), Cr-MOFs coated separators showed improved thermal stability, flame retardance, electrolyte wettability, uptake and conductivity, and enhanced electrochemical performance. The specific surface area, pore size, and structure stability of Cr-MOFs are identified as the main factors affecting their performance.
JOURNAL OF ENERGY STORAGE
(2023)
Article
Materials Science, Multidisciplinary
Joao P. Serra, Arkaitz Fidalgo-Marijuan, Joao C. Barbosa, Daniela M. Correia, Renato Goncalves, Jose M. Porro, Senentxu Lanceros-Mendez, Carlos M. Costa
Summary: This study focuses on the development of a hybrid solid polymer electrolyte (SPE) based on PVDF and MIL, and its battery cycling behavior at room temperature. The addition of MIL affects the morphology and properties of the MIL/PVDF blends. The ionic conductivity of the blends increases with temperature and MIL content.
ACS APPLIED POLYMER MATERIALS
(2022)
Article
Materials Science, Multidisciplinary
Zhihao Gao, Rongyan Wen, Hua Deng, Lin Luo, Xiaochen Cui, Zhen Yang, Zongmin Zheng, Jianmin Zhang
Summary: In this study, the possibility of utilizing 2D nickel hydroxide nanosheets (NHNs) to prepare composite membranes was explored. The effect of NHNs on the properties of the membranes was investigated, and it was found that a low filler content led to improved thermal stability, crystallization behaviors, electrolyte affinity, and ionic conductivity. The composite membrane also demonstrated good cycling performance and rate capability in Li/LiFePO4 half-cells.
ACS APPLIED POLYMER MATERIALS
(2022)
Review
Chemistry, Multidisciplinary
Bingbing Cheng, Zi-Jian Zheng, Xianze Yin
Summary: Solid-state lithium metal batteries (SSLMBs) have the advantages of high energy density and safety. However, the chemical instability of battery components when exposed to humid air leads to performance degradation. This review summarizes the causes, consequences, and corresponding solution strategies for battery performance degradation when the components are exposed to humid air.
Article
Chemistry, Physical
Jian-Ping Zeng, Jun-Feng Liu, Hua-Dong Huang, Shao-Cong Shi, Ben-Hao Kang, Chen Dai, Li-Wei Zhang, Zhi-Chao Yan, Florian J. Stadler, Yan-Bing He, Yan-Fei Huang
Summary: This study proposes a new method to improve the ionic conductivity of solid-state polymer electrolytes (SPEs) by enhancing the polarization of polymers using P(VDF-TrFE) as the matrix. The results show that P(VDF-TrFE) has a higher remnant polarization compared to PVDF, facilitating the dissociation of LiN(SO2CF3)2 and leading to significantly enhanced ionic conductivity. Stable cycling performance is also achieved in Li/P(VDF-TrFE) SPEs/Li batteries.
JOURNAL OF MATERIALS CHEMISTRY A
(2022)
Article
Nanoscience & Nanotechnology
Baichuan Cui, Zhenxue Xiao, Shaolun Cui, Shuai Hao, Sheng Liu, Xueping Gao, Guoran Li
Summary: This study focuses on improving the cycling stability and safety of quasi-solid-state lithium metal batteries by synthesizing lithiated phosphoryl cellulose nanocrystals (PCNC-Li) and incorporating them into poly(vinylidene fluoride) (PVDF) gel polymer electrolyte. The PCNC-Li forms a uniform network structure on the surface of PVDF membranes, regulating the transport of lithium ions and enhancing the stability of the lithium anode interface. Additionally, the PCNC-Li coating layer improves the thermal stability and mechanical strength of PVDF membranes, thus enhancing the safety of lithium metal batteries. This work provides a new option for fabricating a better composite gel polymer electrolyte for lithium metal batteries.
ACS APPLIED MATERIALS & INTERFACES
(2023)
Article
Chemistry, Multidisciplinary
Qingchuan Du, Shumin Shi, Lida Zhang, Zhongyuan Yan, Xu Zeng, Jingjing Wu, Weixin Zhou, Zhen-Dong Huang, Titus Masese, Yanwen Ma
Summary: The study developed separators based on the building concept of a bird's nest, consisting of SiO2 nanowires reinforced with PVDF-HFP. Compared to bare SiO2 nanowire separators, the hybrid separators show improved mechanical properties due to a strong crosslink effect, while maintaining excellent electrolyte wettability and ionic conductivity. Lithium metal batteries with these hybrid separators exhibit excellent rate performance and cyclic stability.
Article
Chemistry, Physical
Kaibo Fan, Xianxin Lai, Zhiqi Zhang, Lili Chai, Qingchao Yang, Guanghao He, Song Liu, Ling Sun, Yong Zhao, Zhengguang Hu, Li Wang
Summary: In this study, dual-salt modification of PVDF-based polymer electrolytes was proposed to enhance lithium ion transport channels, leading to improved ionic conductivity and good application prospects in solid-state lithium metal batteries.
JOURNAL OF POWER SOURCES
(2023)
Article
Nanoscience & Nanotechnology
Yang Wang, Zhen Chen, Yixin Wu, Yu Li, Ziyu Yue, Minghua Chen
Summary: Lithium-ion batteries have been successful in the portable electronic devices market due to their high energy density, but the safety issues caused by organic liquid electrolytes remain a problem. Composite solid electrolytes have become a promising alternative due to their higher safety and stable performance, although the uniform dispersity of ceramic filler is still a challenge.
ACS APPLIED MATERIALS & INTERFACES
(2023)
Article
Chemistry, Multidisciplinary
Shengda D. Pu, Chen Gong, Yuanbo T. Tang, Ziyang Ning, Junliang Liu, Shengming Zhang, Yi Yuan, Dominic Melvin, Sixie Yang, Liquan Pi, John-Joseph Marie, Bingkun Hu, Max Jenkins, Zixuan Li, Boyang Liu, S. C. Edman Tsang, T. James Marrow, Roger C. Reed, Xiangwen Gao, Peter G. Bruce, Alex W. Robertson
Summary: By using single-crystal zinc metal anodes, dendrite formation in zinc batteries can be effectively suppressed, enabling high-capacity planar zinc electrodeposition. Such dendrite-free electrode exhibits excellent electrochemical performance and maintains its integrity even after prolonged cycling.
ADVANCED MATERIALS
(2022)
Article
Materials Science, Multidisciplinary
Chengzhou Xin, Kaihua Wen, Shundong Guan, Chuanjiao Xue, Xinbin Wu, Liangliang Li, Ce-Wen Nan
Summary: A cross-linked poly(ethylene oxide) (PEO)-based electrolyte with polyaryl polymethylene isocyanate (PAPI) as the cross-linking agent has been synthesized. The PEO chains are cross-linked by PAPI through the reaction between hydroxyl groups (-OH) and isocyanate groups (-N=C=O). The cross-linked PEO-PAPI electrolyte exhibits enhanced mechanical properties, good compatibility with a lithium metal anode, and promising potential for solid electrolytes used in all-solid-state Li metal batteries (ASSLMBs).
FRONTIERS IN MATERIALS
(2022)
Article
Chemistry, Physical
Xiangwen Gao, Boyang Liu, Bingkun Hu, Ziyang Ning, Dominic Spencer Jolly, Shengming Zhang, Johann Perera, Junfu Bu, Junliang Liu, Christopher Doerrer, Ed Darnbrough, David Armstrong, Patrick S. Grant, Peter G. Bruce
Summary: The conductivity of the solid electrolyte significantly affects the overall capacity of the solid-state battery cathode. Higher conductivities allow for higher active material loadings and capacities. Reducing the voltage range during cycling can minimize volume change and improve capacity retention.
Article
Nanoscience & Nanotechnology
Ying Liang, Shundong Guan, Chengzhou Xin, Kaihua Wen, Chuanjiao Xue, Hetian Chen, Sijie Liu, Xinbin Wu, Haocheng Yuan, Liangliang Li, Ce-Wen Nan
Summary: The molecular weight of PVDF has been found to have an impact on the electrochemical properties of solid-state electrolytes, with higher molecular weight resulting in better performance.
ACS APPLIED MATERIALS & INTERFACES
(2022)
Article
Chemistry, Multidisciplinary
Kaihua Wen, Chengzhou Xin, Shundong Guan, Xinbin Wu, Shan He, Chuanjiao Xue, Sijie Liu, Yang Shen, Liangliang Li, Ce-Wen Nan
Summary: This research successfully prepared single-ion polymer conductors (SIPCs) with high selectivity, high ionic conductivity, and stability by regulating ion-dipole interactions. The SIPCs exhibited excellent cycling performance and temperature adaptability in solid-state batteries. The same method was also applied to prepare high-performance SIPCs for sodium and potassium-based systems.
ADVANCED MATERIALS
(2022)
Review
Chemistry, Multidisciplinary
Xiang Miao, Shundong Guan, Cheng Ma, Liangliang Li, Ce-Wen Nan
Summary: Solid-state batteries (SSBs) are highly promising for the next-generation energy-storage technology due to their high safety, energy density, and wide operating temperature range. This review discusses the interface issues in SSBs, including internal buried interfaces within solid electrolytes and composite electrodes, as well as planar interfaces between electrodes and solid electrolyte separators or current collectors. The challenges and future directions for investigating and optimizing these solid-solid interfaces in SSBs are also assessed.
ADVANCED MATERIALS
(2023)
Article
Chemistry, Physical
Xinbin Wu, Huiping Wu, Shundong Guan, Ying Liang, Kaihua Wen, Huanchun Wang, Xuanjun Wang, Ce-Wen Nan, Liangliang Li
Summary: Researchers have synthesized a polymer-based composite protective separator containing molecular sieves to inhibit the shuttle effect of redox mediators (RMs) in lithium-oxygen (Li-O-2) batteries. The nanopores in the zeolite powder can physically prevent the migration of larger molecules, thereby restraining the shuttle effect. With the assistance of zeolite molecular sieves, the cycle life of Li-O-2 batteries is significantly extended.
Article
Chemistry, Physical
Lingqiao Wu, Yongtao Wang, Mingxue Tang, Ying Liang, Zhiyuan Lin, Peipei Ding, Zihe Zhang, Boya Wang, Shiqi Liu, Liangliang Li, Xianwei Guo, Xin Yin, Haijun Yu
Summary: An efficient strategy has been proposed to lower the interfacial resistance and enhance the electrochemical window of composite solid electrolytes by building a bridge between the polymer phase and ceramic phase. This bridge strategy provided a high ionic conductivity at room temperature and improved the performance of lithium symmetrical batteries without short circuits.
ENERGY STORAGE MATERIALS
(2023)
Article
Electrochemistry
Bohan Li, Xiaolong Ren, Zhouyang Qin, Chong Wang, Liangliang Li, Chenhui Luan, Wanci Shen, Feiyu Kang, Ruitao Lv, Ding Nan, Zheng-Hong Huang
Summary: This article introduces a method to improve the electrochemical performance of flexible lithium ion capacitors (FLICs) using metal-organic frameworks (MOFs). Free-standing CuSx/CF-1.5 anode material and Zn-PCF-900°C cathode material were prepared using MOFs in fiber precursors. The LIC based on these electrodes effectively alleviates the kinetic and capacity imbalance and delivers remarkable energy and power densities. Furthermore, the FLIC pouch cell demonstrates its chargeable ability under different bending conditions, showing good application prospects in high-performance flexible electronic devices.
ELECTROCHIMICA ACTA
(2023)
Article
Chemistry, Multidisciplinary
Kaihua Wen, Shundong Guan, Sijie Liu, Haocheng Yuan, Ying Liang, Dengfeng Yu, Zheng Zhang, Liangliang Li, Ce-Wen Nan
Summary: Flexible composite polymer electrolytes (CPEs) with single-ion conductive CPEs have been synthesized, showing high lithium-ion transference number, high ionic conductivity, wide electrochemical stability window, and excellent cycling stability. The CPEs have been used in solid-state lithium metal batteries with cathodes made of LiFePO4 and LiCoO2, achieving high discharge capacities for multiple cycles. This study provides insights into the design of high-performance CPEs for next-generation solid-state lithium metal batteries.
Article
Nanoscience & Nanotechnology
Ying Liang, Shundong Guan, Chengzhou Xin, Kaihua Wen, Chuanjiao Xue, Hetian Chen, Sijie Liu, Xinbin Wu, Haocheng Yuan, Liangliang Li, Ce-Wen Nan
Summary: Polymer-based electrolytes, particularly those based on poly(vinylidene difluoride) (PVDF), show great potential for solid-state batteries due to their excellent electrochemical properties. The molecular weight of PVDF influences the electrolyte's electrochemical performance, with higher molecular weight PVDF (PVDF 5130) offering better performance and extended cycle life for solid-state batteries.
ACS APPLIED MATERIALS & INTERFACES
(2022)
Article
Chemistry, Physical
Shundong Guan, Kaihua Wen, Ying Liang, Chuanjiao Xue, Sijie Liu, Jinyao Yu, Zheng Zhang, Xinbin Wu, Haocheng Yuan, Zhiyuan Lin, Haijun Yu, Liangliang Li, Ce-Wen Nan
Summary: In this study, a polymer electrolyte containing an organic additive, AMPS, was synthesized to improve the safety and energy density of lithium metal batteries. AMPS reduced the crystallinity of PVDF and immobilized anions, thereby enhancing the Li+ conduction. Additionally, AMPS facilitated the formation of a LiF/Li2Sx/Li2SO3/Li3N-rich interface between Li metal and the polymer electrolyte, effectively suppressing Li dendrite growth. As a result, the polymer electrolyte exhibited high ionic conductivity and cycling stability.
JOURNAL OF MATERIALS CHEMISTRY A
(2022)
Article
Electrochemistry
Chengzhou Xin, Kaihua Wen, Chuanjiao Xue, Shuo Wang, Ying Liang, Xinbin Wu, Liangliang Li, Ce-Wen Nan
Summary: The gel-like SCN-LiClO4 ionic conductor was found to be superior in building an effective Li-ion conduction path and establishing a stable cathode/electrolyte interface, resulting in a long cycle life and high energy density in solid-state lithium metal batteries.
BATTERIES & SUPERCAPS
(2022)
Article
Chemistry, Physical
Orkun Furat, Donal P. Finegan, Zhenzhen Yang, Matthias Neumann, Sangwook Kim, Tanvir R. Tanim, Peter Weddle, Kandler Smith, Volker Schmidt
Summary: The operating temperature has a significant impact on the degradation behavior of batteries. This study investigates the structural degradation of lithium-ion positive electrodes under different operating temperatures, and finds that particle porosity increases with higher cycling temperature, while particle surface area remains similar across different cycling-temperature aging conditions.
ENERGY STORAGE MATERIALS
(2024)
Article
Chemistry, Physical
Junyan Li, Ming Lu, Weijia Zheng, Wei Zhang
Summary: MXenes are two-dimensional materials with unique structures and properties, which have attracted significant scientific interest. Ion intercalation, as an important mechanism, plays a crucial role in regulating the electronic and chemical properties of MXene materials. This review provides an overview of the interaction events between ions and MXenes, including advanced characterization techniques, influencing factors, mechanisms, and functionalization roles of ion intercalation.
ENERGY STORAGE MATERIALS
(2024)
Article
Chemistry, Physical
Zhengtai Zha, Tianjiang Sun, Diantao Li, Tao Ma, Weijia Zhang, Zhanliang Tao
Summary: A novel zwitterion additive is developed to improve the electrochemical performance and cycling stability of aqueous zinc batteries. The zwitterion forms a stable solid electrolyte interphase on the electrode surface, isolating the zinc anode from the electrolytes and enabling fast zinc ion migration. The proposed electrolyte shows promising results in symmetric cells and full cells, with long cycling stability and high capacity retention.
ENERGY STORAGE MATERIALS
(2024)
Article
Chemistry, Physical
Nyung Joo Kong, Myeong Seon Kim, Jae Hyun Park, Jongbok Kim, Jungho Jin, Hyun-Wook Lee, Seok Ju Kang
Summary: Polymeric conducting binders have significant research value as they can serve as both binders and conducting agents, increasing the proportion of active materials in batteries and the volumetric energy density. This study explores the potential of a composite of PEDOT:PSS and polyethylene glycol (PEG) as a high-performing binder for silicon anodes. The addition of PEG polymer enhances the conductivity of PEDOT:PSS and improves the mechanical properties of the silicon anode, resulting in extended cycle endurance. The use of operando optical microscopy allows for direct observation of the binder's operation. Consequently, the bifunctional PEDOT:PSS/PEG binder shows promise for high-performance lithium-ion battery binders.
ENERGY STORAGE MATERIALS
(2024)
Article
Chemistry, Physical
Yangze Huang, Lixuan Zhang, Jiawen Ji, Chenyang Cai, Yu Fu
Summary: This study proposed a novel temperature-dependent viscoelastic liquid electrolyte and a hollow transition bi-metal selenide as the sulfur host material to address the issues in Li-S batteries. The experiments showed promising results in stabilizing the anode and improving cycling performance.
ENERGY STORAGE MATERIALS
(2024)
Article
Chemistry, Physical
Ao Yu, Wei Zhang, Nimanyu Joshi, Yang Yang
Summary: This review provides a comprehensive overview of research progress in ZIB anodes, including protective coating layers on zinc surfaces and intercalated anode materials. By designing protective coating layers and selecting appropriate intercalated anode materials, the inherent limitations of zinc metal anode can be overcome, leading to improved reliability and performance of ZIBs.
ENERGY STORAGE MATERIALS
(2024)
Article
Chemistry, Physical
Xin Wang, Yumiao Tian, Konghua Yang, Chenhui Ma, Wenqiang Lu, Xiaofei Bian, Nan Chen, Heng Jiang, Yan Li, Xing Meng, Pengyue Gao, Dong Zhang, Fei Du
Summary: Researchers developed a new sandwich deposition approach using boron nitride layer as a current collector, which enhances the performance of aqueous zinc-ion batteries.
ENERGY STORAGE MATERIALS
(2024)
Article
Chemistry, Physical
Sang Jun Lee, Dongwoo Kang, Dong Yeol Hyeon, Dong Seok Kim, Suyoon Eom, Su Hwan Jeong, Dong Park Lee, Dawon Baek, Jou-Hyeon Ahn, Gyeong Hee Ryu, Kwi-Il Park, San Moon, Joo-Hyung Kim
Summary: This study utilizes the ice-templating method to create a self-supporting three-dimensional hierarchical porous structure, which effectively inhibits sodium dendrite growth and improves the performance and longevity of sodium-metal batteries.
ENERGY STORAGE MATERIALS
(2024)
Article
Chemistry, Physical
Yifan Yu, Meng Lei, Yangyang Liu, Keyi Chen, Chuanzhong Lai, Jiulin Hu, Chilin Li
Summary: Metal fluorides as conversion-reaction cathodes have advantages such as low cost, environmentally friendly, and high energy density. In this study, a hydroxyl-rich copper fluoride (Cu2(OH)3F) was proposed as a conversion cathode, coupled with an electrolyte additive engineering, to address the poor reversibility issue. The presence of OH in Cu2(OH)3F enables effective suppression of Cu+ dissolution, resulting in better reaction reversibility and kinetics.
ENERGY STORAGE MATERIALS
(2024)