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Lee D, Yang M, Choi UH, Kim J. Bioinspired Synaptic Branched Network within Quasi-Solid Polymer Electrolyte for High-Performance Microsupercapacitors. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024; 20:e2308821. [PMID: 38308357 DOI: 10.1002/smll.202308821] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/03/2023] [Revised: 01/14/2024] [Indexed: 02/04/2024]
Abstract
The branched network-driven ion solvating quasi-solid polymer electrolytes (QSPEs) are prepared via one-step photochemical reaction. A poly(ethylene glycol diacrylate) (PEGDA) is combined with an ion-conducting solvate ionic liquid (SIL), where tetraglyme (TEGDME), which acts like interneuron in the human brain and creates branching network points, is mixed with EMIM-NTf2 and Li-NTf2. The QSPE exhibits a unique gyrified morphology, inspired by the cortical surface of human brain, and features well-refined nano-scale ion channels. This human-mimicking method offers excellent ion transport capabilities through a synaptic branched network with high ionic conductivity (σDC ≈ 1.8 mS cm-1 at 298 K), high dielectric constant (εs ≈ 125 at 298 K), and strong ion solvation ability, in addition to superior mechanical flexibility. Furthermore, the interdigitated microsupercapacitors (MSCs) based on the QSPE present excellent electrochemical performance of high energy (E = 5.37 µWh cm-2) and power density (P = 2.2 mW cm-2), long-term cycle stability (≈94% retention after 48 000 cycles), and mechanical stability (>94% retention after continuous bending and compressing deformation). Moreover, these MSC devices have flame-retarding properties and operate effectively in air and water across a wide temperature range (275 to 370 K), offering a promising foundation for high-performance, stable next-generation all-solid-state energy storage devices.
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Affiliation(s)
- Dawoon Lee
- Department of Photonics and Nanoelectronics, Hanyang University, Ansan, 15588, Republic of Korea
- BK21 FOUR ERICA-ACE Center, Hanyang University, Ansan, 15588, Republic of Korea
| | - Mino Yang
- Korea Basic Science Insititute (Seoul), Seoul, 02841, Republic of Korea
| | - U Hyeok Choi
- Department of Polymer Science and Engineering and Program in Environmental and Polymer Engineering, Inha University, Incheon, 22212, Republic of Korea
| | - Jaekyun Kim
- Department of Photonics and Nanoelectronics, Hanyang University, Ansan, 15588, Republic of Korea
- BK21 FOUR ERICA-ACE Center, Hanyang University, Ansan, 15588, Republic of Korea
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Le Mong A, Shin JC, Lee M, Kim D. Accelerated Single Li-Ion Transport in Solid Electrolytes for Lithium-Sulfur Batteries: Poly(Arylene Ether Sulfone) Grafted with Pyrrolidinium-Terminated Poly(Ethylene Glycol). SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024; 20:e2309162. [PMID: 38152973 DOI: 10.1002/smll.202309162] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/12/2023] [Revised: 11/28/2023] [Indexed: 12/29/2023]
Abstract
Polymeric solid electrolytes have attracted tremendous interest in high-safety and high-energy capacity lithium-sulfur (Li─S) batteries. There is, however, still a dilemma to concurrently attain high Li-ion conductivity and high mechanical strength that effectively suppress the Li-dendrite growth. Accordingly, a rapidly Li-ion conducting solid electrolyte is prepared by grafting pyrrolidinium cation (PYR+)-functionalized poly(ethylene glycol) onto the poly(arylene ether sulfone) backbone (PAES-g-2PEGPYR). The PYR+ groups effectively immobilize anions of Li-salts in Li-conductive PEGPYR domains phase-separated from PAES matrix to enhance the single-ion conduction. The tailored PAES-g-2PEGPYR membrane shows a high Li-ion transference number of 0.601 and superior ionic conductivity of 1.38 mS cm-1 in the flexible solid state with the tensile strength of 1.0 MPa and Young's modulus of 1.5 MPa. Moreover, this PAES-g-2PEGPYR membrane exhibits a high oxidation potential (5.5 V) and high thermal stability up to 200 (C. The Li/PAES-g-2PEGPYR/Li cell stably operates for 1000 h without any short circuit, and the rechargeable Li/PAES-g-2PEGPYR/S cell discharges a capacity of 1004.7 mAh g-1 at C/5 with the excellent rate capability and the prominent cycling performance of 95.3% retention after 200 cycles.
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Affiliation(s)
- Anh Le Mong
- School of Chemical Engineering, Sungkyunkwan University, Suwon, Gyeonggi, 16419, Republic of Korea
| | - Jong Chan Shin
- Department of Chemistry, Kunsan National University, 558, Daehak-ro, Gunsan, Jeollabuk-do, 54150, Republic of Korea
| | - Minjae Lee
- Department of Chemistry, Kunsan National University, 558, Daehak-ro, Gunsan, Jeollabuk-do, 54150, Republic of Korea
| | - Dukjoon Kim
- School of Chemical Engineering, Sungkyunkwan University, Suwon, Gyeonggi, 16419, Republic of Korea
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Song Z, Jiang W, Li B, Qu Y, Mao R, Jian X, Hu F. Advanced Polymers in Cathodes and Electrolytes for Lithium-Sulfur Batteries: Progress and Prospects. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024; 20:e2308550. [PMID: 38282057 DOI: 10.1002/smll.202308550] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/25/2023] [Revised: 11/21/2023] [Indexed: 01/30/2024]
Abstract
Lithium-sulfur (Li-S) batteries, which store energy through reversible redox reactions with multiple electron transfers, are seen as one of the promising energy storage systems of the future due to their outstanding advantages. However, the shuttle effect, volume expansion, low conductivity of sulfur cathodes, and uncontrollable dendrite phenomenon of the lithium anodes have hindered the further application of Li-S batteries. In order to solve the problems and clarify the electrochemical reaction mechanism, various types of materials, such as metal compounds and carbon materials, are used in Li-S batteries. Polymers, as a class of inexpensive, lightweight, and electrochemically stable materials, enable the construction of low-cost, high-specific capacity Li-S batteries. Moreover, polymers can be multifunctionalized by obtaining rich structures through molecular design, allowing them to be applied not only in cathodes, but also in binders and solid-state electrolytes to optimize electrochemical performance from multiple perspectives. The most widely used areas related to polymer applications in Li-S batteries, including cathodes and electrolytes, are selected for a comprehensive overview, and the relevant mechanisms of polymer action in different components are discussed. Finally, the prospects for the practical application of polymers in Li-S batteries are presented in terms of advanced characterization and mechanistic analysis.
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Affiliation(s)
- Zihui Song
- School of Materials Science and Engineering, State Key Laboratory of Fine Chemicals, Frontiers Science Center for Smart Materials Oriented Chemical Engineering, Technology Innovation Center of High-Performance Resin Materials (Liaoning Province), Dalian University of Technology, Dalian, 116024, China
| | - Wanyuan Jiang
- State Key Laboratory of Fine Chemicals, Frontiers Science Center for Smart Materials Oriented Chemical Engineering, School of Chemical Engineering, Technology Innovation Center of High-Performance Resin Materials (Liaoning Province), Dalian University of Technology, Dalian, 116024, China
| | - Borui Li
- School of Materials Science and Engineering, State Key Laboratory of Fine Chemicals, Frontiers Science Center for Smart Materials Oriented Chemical Engineering, Technology Innovation Center of High-Performance Resin Materials (Liaoning Province), Dalian University of Technology, Dalian, 116024, China
| | - Yunpeng Qu
- School of Materials Science and Engineering, State Key Laboratory of Fine Chemicals, Frontiers Science Center for Smart Materials Oriented Chemical Engineering, Technology Innovation Center of High-Performance Resin Materials (Liaoning Province), Dalian University of Technology, Dalian, 116024, China
| | - Runyue Mao
- School of Materials Science and Engineering, State Key Laboratory of Fine Chemicals, Frontiers Science Center for Smart Materials Oriented Chemical Engineering, Technology Innovation Center of High-Performance Resin Materials (Liaoning Province), Dalian University of Technology, Dalian, 116024, China
| | - Xigao Jian
- State Key Laboratory of Fine Chemicals, Frontiers Science Center for Smart Materials Oriented Chemical Engineering, School of Chemical Engineering, Technology Innovation Center of High-Performance Resin Materials (Liaoning Province), Dalian University of Technology, Dalian, 116024, China
| | - Fangyuan Hu
- School of Materials Science and Engineering, State Key Laboratory of Fine Chemicals, Frontiers Science Center for Smart Materials Oriented Chemical Engineering, Technology Innovation Center of High-Performance Resin Materials (Liaoning Province), Dalian University of Technology, Dalian, 116024, China
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Highly stretchable and conductive hybrid gel polymer electrolytes enabled by a dual cross-linking approach. Macromol Res 2023. [DOI: 10.1007/s13233-023-00120-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/16/2023]
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Shin JC, Kim TY, Kim HJ, Choi UH, Park HS, Lee M. New organic ionic plastic crystals based on pyrrolidinium dication for a solid‐phase electrolyte. B KOREAN CHEM SOC 2023. [DOI: 10.1002/bkcs.12668] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Affiliation(s)
- Jong Chan Shin
- Department of Chemistry Kunsan National University Gunsan South Korea
| | - Tae Young Kim
- Department of Polymer Science & Engineering and Program in Environmental and Polymer Engineering Inha University Incheon South Korea
| | - Hwi Jung Kim
- School of Chemical Engineering Sungkyunkwan University Suwon South Korea
| | - U Hyeok Choi
- Department of Polymer Science & Engineering and Program in Environmental and Polymer Engineering Inha University Incheon South Korea
| | - Ho Seok Park
- School of Chemical Engineering Sungkyunkwan University Suwon South Korea
| | - Minjae Lee
- Department of Chemistry Kunsan National University Gunsan South Korea
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Crystalline Phases Thermal Behaviour, Optical Energy Band Gap, and Broadband Radio Wave Frequency Dielectric Properties of PEO/PVDF Blend Films. Macromol Res 2022. [DOI: 10.1007/s13233-022-0052-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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