Article
Polymer Science
Lin Chen, Feng-Shu Yue, Yu-Ming Zhao, Shuang-Shuang Wang, Yu-Chao Li, Guang Li, Xiang-Cai Ge
Summary: The study introduces a new methodology to graft PPEGMA onto PP separators using NHPI and ARGET-ATRP techniques, significantly improving electrolyte wettability while increasing the ionic conductivity and discharge capacity retention of cells.
EUROPEAN POLYMER JOURNAL
(2021)
Review
Chemistry, Multidisciplinary
Yong Zhang, Jirong Wang, Zhigang Xue
Summary: Lithium batteries are considered the best choice for energy storage due to their long lifespan, high operating voltage platform, and high energy density without memory effect. The increased demand for high-performance lithium batteries poses stricter requirements on electrode and electrolyte materials, as well as electrode-electrolyte interface. The artificial modification of battery components is regarded as an effective strategy to enhance overall performance, but systematic summaries of surface modifications are rare.
ADVANCED FUNCTIONAL MATERIALS
(2023)
Article
Chemistry, Physical
Ju Young Kim, Seok Hun Kang, Young-Sam Park, Jaecheol Choi, Hyeong Min Jin, Dong Ok Shin, Myeong Ju Lee, Young-Gi Lee
Summary: Functional separators for advanced batteries can be fabricated using polyvinyl alcohol (PVA) as a surface modifier to enhance the wetting behavior of hydrophobic separators. This method allows for uniform coating of aqueous slurries on hydrophobic separators, which was not possible before. Additionally, this method allows for the fabrication of ceramic-coated separators with improved thermal stability and adhesion strength, without compromising lithium-ion transport.
SURFACES AND INTERFACES
(2023)
Review
Materials Science, Multidisciplinary
Xinwang Cao, Chang Ma, Lei Luo, Lei Chen, Hui Cheng, Raphael Simha Orenstein, Xiangwu Zhang
Summary: The addition of nanofiber materials to Li-ion batteries has been a significant advancement, as it provides unique structural features and enhances their electrochemical performance. This article discusses recent advancements in nanofiber materials for Li-ion batteries, including the synthesis, structure, and properties of nanofiber cathodes, anodes, separators, and electrolytes, as well as their applications. The challenges and prospects of nanofiber materials in Li-ion battery applications are also outlined.
ADVANCED FIBER MATERIALS
(2023)
Article
Chemistry, Physical
Xingyi Zhang, Qingwei Sun, Cheng Zhen, Yinghua Niu, Yupei Han, Guangfeng Zeng, Dongjiang Chen, Chao Feng, Ning Chen, Weiqiang Lv, Weidong He
Summary: This review summarizes recent developments towards highly flame-retardant separators and solid-state electrolytes for lithium-ion batteries, including the composition, structure, and performance of flame-retardant separators for liquid LIBs, as well as different types of solid-state electrolytes. Future challenges and outlooks for flame-retardant separators in practical applications are also discussed.
ENERGY STORAGE MATERIALS
(2021)
Article
Materials Science, Multidisciplinary
Senhao Shi, Daoxin Zhang, Junwei Lv, Junhui Luo, Fan Yang, Tong Wu, Xiangyang Liu
Summary: By direct fluorination treatment, the wettability, electrolyte uptake, ionic conductivity, and stability of the polyethylene separator can be significantly improved.
ACS APPLIED POLYMER MATERIALS
(2023)
Article
Materials Science, Composites
Liying Wang, Yuhan Liu, Xinwei Du, Xiaohui Guo, Qi Zhao, Yuliang Wang, Zhangnan Li, Baijun Liu, Zhaoyan Sun, Yongfeng Men, Wei Hu
Summary: To overcome the limitations of polyethylene separator for lithium-ion batteries, a composite solution of poly(ether ketone) and carbon nanoparticles obtained from nanocellulose carbonization in sulfuric acid was used to modify the separator. The resulting Janus composite separator exhibited high thermal stability, excellent electrolyte loading rate, and improved battery performance. The introduction of carbon nanoparticles provided additional oxidation sites and enhanced ion conductivity, reducing charge transfer resistance.
COMPOSITES COMMUNICATIONS
(2023)
Article
Chemistry, Multidisciplinary
Longqing Peng, Xin Wang, Jianhui Dai, Xiu Shen, Boyang Huang, Peng Zhang, Jinbao Zhao
Summary: Introducing an electron-insulated polypyrrole layer on top of a ceramic-coated separator enhances the thermal stability, electrolyte wettability, and Li+ transference number of lithium-ion batteries. This modification leads to improved safety performance and rate capability of the cells.
MATERIALS CHEMISTRY FRONTIERS
(2021)
Article
Chemistry, Multidisciplinary
Thuy Duong Pham, Abdullah Bin Faheem, Junam Kim, Kyungwon Kwak, Kyung-Koo Lee
Summary: A sulfite-based electrolyte has been proposed to inhibit the growth of lithium dendrites and improve the Coulombic efficiency and stability of lithium metal batteries. Molecular dynamics simulations have revealed a direct correlation between the proportion of cation-anion complexes and the contact angle between the electrolyte and separator. This study presents an effective approach to enhance lithium metal batteries with sulfite-based electrolytes.
ADVANCED FUNCTIONAL MATERIALS
(2023)
Article
Chemistry, Physical
Lupeng Zhang, Xinle Li, Mingrui Yang, Weihua Chen
Summary: This review highlights the importance of safety in lithium-ion and sodium-ion batteries, with a focus on the development of high-safety separators. It summarizes the key considerations for these separators and outlines the challenges and perspectives in their development direction.
ENERGY STORAGE MATERIALS
(2021)
Article
Engineering, Chemical
Su Cheol Shin, Jiyeong Kim, Jeevan Kumar Reddy Modigunta, G. Murali, Seongmin Park, Seongeun Lee, Hwiyoung Lee, Sung Young Park, Insik In
Summary: The ladder-like polysilsesquioxanes were utilized as a surface modifier for polyethylene separators in high performing lithium ion batteries, significantly improving capacity retention and cycle stability. The LIBs fabricated using this modified separator demonstrated excellent performance under 0.5C rate.
JOURNAL OF MEMBRANE SCIENCE
(2021)
Article
Chemistry, Physical
Mao Qian, Yakun Tang, Lang Liu, Yang Gao, Xiaohui Li
Summary: Cubic spinel Li4Ti5O12 is a desired anode material for lithium-ion batteries due to high stability and good safety, while Li2CoTi3O8 with added cobalt shows enhanced performance as both anode material for LIBs and sulfur host material for LSBs. The nanoparticles of Li2CoTi3O8 exhibit improved specific capacity and rate capability for LIBs, as well as stable capacity retention for LSBs, making it a promising material for advanced energy storage systems.
JOURNAL OF ALLOYS AND COMPOUNDS
(2022)
Article
Chemistry, Physical
Mir Wasim Raja, Rajendra Nath Basu, Nimai Chand Pramanik, Pradip Sekhar Das, Mononita Das
Summary: The wet-coating method using duo-polymer (chitosan and polyvinyl alcohol) and ceramic (BaTiO3) nanopowder has successfully developed a high-performance paper-based ceramic separator with improved thermal stability and tensile strength, as well as comparable electrochemical performance to commercial separators.
ACS APPLIED ENERGY MATERIALS
(2022)
Article
Nanoscience & Nanotechnology
Haoshen Ma, Jiaxiang Liu, Haiming Hua, Longqing Peng, Xiu Shen, Xin Wang, Peng Zhang, Jinbao Zhao
Summary: Improving the porous structure of separators in lithium-ion batteries can optimize battery performance, especially by enhancing the ionic conduction path with the introduction of functional groups, resulting in improved cycle stability and capacity retention.
ACS APPLIED MATERIALS & INTERFACES
(2021)
Article
Multidisciplinary Sciences
Tan P. Nguyen, Alexandra D. Easley, Nari Kang, Sarosh Khan, Soon-Mi Lim, Yohannes H. Rezenom, Shaoyang Wang, David K. Tran, Jingwei Fan, Rachel A. Letteri, Xun He, Lu Su, Cheng-Han Yu, Jodie L. Lutkenhaus, Karen L. Wooley
Summary: The rapid development of lithium-ion batteries has brought substantial benefits to society, but also highlighted ethical and environmental challenges. Organic redox-active materials may offer a potential alternative for sustainable batteries in the future.
Article
Chemistry, Multidisciplinary
Xietao Yuan, Amir Abdul Razzaq, Yujie Chen, Yuebin Lian, Xiaohui Zhao, Yang Peng, Zhao Deng
Summary: In this study, GPE composites with high thermal stability and peak ionic conductivity were prepared by filling PBA nanocubes into nanofiber membranes, exhibiting superior performance in battery applications.
CHINESE CHEMICAL LETTERS
(2021)
Article
Biochemistry & Molecular Biology
Eunu Kim, Ji Min Seok, Su Bin Bae, Su A. Park, Won Ho Park
Summary: The study synthesized alginate derivatives and silk fibroin to prepare bioinks, enhancing cell compatibility, and pregelated them by ionic cross-linking to increase viscosity for 3D printing. The results showed that the new bioink had improved cytocompatibility compared to traditional bioinks, making it a promising material for tissue engineering.
Article
Chemistry, Applied
Yong Ho Yeo, Won Ho Park
Summary: Self-healing, thermo-responsive hydrogels have been developed using methylcellulose (MC) and a water-soluble chitosan oligomer (CHI-O) through dual-crosslinking. The copolymer hydrogels exhibited superior gelation rate, mechanical properties, and self-healing capabilities compared to MC hydrogels, making them suitable for cosmetic applications. Release studies of model compounds from the DAMC/CHI-O copolymer hydrogel showed promise for future applications.
CARBOHYDRATE POLYMERS
(2021)
Article
Biochemistry & Molecular Biology
Md Saleh Akram Bhuiyan, Bo Liu, James Manuel, Bin Zhao, Bruce P. Lee
Summary: The study focused on improving the performance of catechol-based smart adhesive by incorporating conductive PyMA, which allowed for deactivation of the adhesive at low voltage while maintaining reversibility. Experimental results confirmed the efficient switchable adhesive properties of the coating, which could be repeatedly used through multiple cycles.
Article
Chemistry, Physical
Ekrem Ozkan, Arnab Mondal, Megan Douglass, Sean P. Hopkins, Mark Garren, Ryan Devine, Rashmi Pandey, James Manuel, Priyadarshini Singha, James Warnock, Hitesh Handa
Summary: This study successfully fabricated two types of ultra-low fouling surfaces to enhance the biocompatibility of medical grade silicone rubber tubes. The coatings showed superior resistance to clot formation and platelet adhesion, as well as significant reduction in bacterial adhesion and biofilm formation, demonstrating their potential for preventing biofilm and thrombosis formation on medical devices.
JOURNAL OF COLLOID AND INTERFACE SCIENCE
(2022)
Article
Chemistry, Multidisciplinary
Jinho Kee, Hyungju Ahn, Hyeok Park, Young-Soo Seo, Yong Ho Yeo, Won Ho Park, Jaseung Koo
Summary: Soft electronics, such as the Ag-SAN elastomer, have gained attention for practical applications due to their appropriate electrical conductivity, excellent elastic properties, and self-healing capabilities provided by reversible coordination bonds.
Article
Environmental Sciences
Su Yeon Lee, Yu Jin Jeong, Won Ho Park
Summary: In this study, nanofibrous membranes (NFMs) were fabricated via green electrospinning of poly(vinyl alcohol) (PVA), and their water resistance was improved through simple heat treatment. Heavy metal adsorbents were prepared by dip-coating the NFMs in an aqueous solution of tannic acid (TA). The TA-coated PVA NFMs exhibited excellent selectivity for Pb(II) and retained over 70% of their initial adsorption capacity after multiple cycles of adsorption/desorption.
Article
Electrochemistry
Ziwei Li, Xiaohui Zhao, Jiapeng Hu, Xietao Yuan, Yongze Qin, Chonglong Wang, Muzi Chen, Yang Peng, Jou-Hyeon Ahn, Zhao Deng
Summary: This study reports a polyaniline-derived hierarchical carbon capsule co-doped with Co, S, N, F (MHCC) as a sulfur host, synthesized through a dual-template strategy. The resulting capsular composite exhibits a hollow core and a mesoporous shell with various active sites that synergistically boost the redox kinetics. The Li-S cell with the MHCC cathode demonstrates high initial discharge capacity, long-term lifespan, and high areal capacity, paving the way for green Li-S batteries based on natural products.
ELECTROCHIMICA ACTA
(2023)
Article
Materials Science, Characterization & Testing
Chul Min Yang, Kiramage Chathuranga, Jong Soo Lee, Won Ho Park
Summary: This study investigated the effect of polyphenolic additives on the thermal decomposition of polymers and compared the influence of different numbers of phenolic hydroxyl groups on the properties of the composite films.
Article
Nanoscience & Nanotechnology
Su Yeon Lee, Jun Tae Kim, Kiramage Chathuranga, Jong Soo Lee, Se Won Park, Won Ho Park
Summary: Due to its ability to remove particulate matter without compromising air permeability, nanofibrous membranes (NFMs) have become increasingly important as filter layers in face masks. In this study, tannic-acid-enriched poly(vinyl alcohol) (PVA-TA) NFMs were successfully fabricated using electrospinning, achieving a uniform solution without coacervate formation. These NFMs exhibited excellent filtration performance, UV-blocking, and antibacterial properties.
ACS APPLIED MATERIALS & INTERFACES
(2023)
Article
Chemistry, Applied
Su Jin Lee, Min A. Gwak, Kiramage Chathuranga, Jong Soo Le, Jaseung Koo, Won Ho Park
Summary: In this study, multifunctional tannic acid (TA) was incorporated into pristine chitosan (CS) to prepare CS-TA composite films with excellent mechanical, antioxidant, and antibacterial properties. The composite films effectively reduced enzymatic browning and water loss from food, making them suitable for long-term food storage as active packaging materials.
FOOD HYDROCOLLOIDS
(2023)
Article
Food Science & Technology
Jeong Jin Park, Yun Hyeok Choi, Eun Jung Sim, Eunhye Lee, Ki Chull Yoon, Won Ho Park
Summary: In this study, eco-friendly food packaging films made of biodegradable polyester P3HB-4HB were prepared as an alternative to non-degradable packaging films. The films were prepared using hot-pressing and surface-modified to be hydrophilic via N2 plasma treatment. Coated with tannic acid (TA) by dip-coating, the films showed improved mechanical and thermal properties without affecting the visible-light transparency. In the banana storage experiment, the films demonstrated lower weight loss and browning compared to non-packaged bananas.
FOOD PACKAGING AND SHELF LIFE
(2023)
Article
Polymer Science
Chul Min Yang, Jeehee Lee, Su Yeon Lee, Haeshin Lee, Kiramage Chathuranga, Jongsoo Lee, Wonho Park
Summary: In this study, a modified silk fibroin (SF-BGE) soluble in water was prepared by introducing butyl glycidyl ether (BGE) into its side chain. A coordination bond between ZnO and tannic acid (TA) was formed to develop an SF-based nanocomposite hydrogel. The hydrogel showed superior hemostatic and cytocompatible activities.
Review
Chemistry, Physical
Xiaohui Zhao, Chonglong Wang, Ziwei Li, Xuechun Hu, Amir Abdul Razzaq, Zhao Deng
Summary: Lithium sulfur (Li-S) batteries have high theoretical specific capacity and energy density, while sulfurized polyacrylonitrile (SPAN) is known for completely eradicating the shuttle of lithium polysulfides and having good compatibility with carbonate-based electrolytes and manufacturing processes. Research on SPAN has focused on its chemical structure, redox reaction, and electrochemical performance over the past few decades.
JOURNAL OF MATERIALS CHEMISTRY A
(2021)
Article
Chemistry, Applied
Amir Abdul Razzaq, Ganwen Chen, Xiaohui Zhao, Xietao Yuan, Jiapeng Hu, Ziwei Li, Yufeng Chen, Jiabin Xu, Rahim Shah, Jun Zhong, Yang Peng, Zhao Deng
Summary: This study fabricated a freestanding nanofibrous sulfurized polyacrylonitrile (SPAN) cathode with high catalytic activity and charge conductivity through multivariate electrospinning, improving the redox kinetics of sulfur conversion and achieving outstanding battery performance.
JOURNAL OF ENERGY CHEMISTRY
(2021)
