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Shi J, Gui F, Huang K, Zhou X, Li X, Yang L, Huang J, Wang G, Xu G. Magnetic field-assisted vertically aligned NiFe 2O 4 nanosheets in composite solid polymer electrolytes for advanced all solid-state lithium metal batteries. J Colloid Interface Sci 2024; 678:583-592. [PMID: 39216386 DOI: 10.1016/j.jcis.2024.08.174] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2024] [Revised: 08/16/2024] [Accepted: 08/22/2024] [Indexed: 09/04/2024]
Abstract
Two-dimensional materials (2D Ms) as fillers have been applied in polyethylene oxide (PEO)-based electrolyte to enhance the low ionic conductivity and poor interface compatibility. However, the randomly dispersed fillers in PEO matrix result in anisotropy of Li+ transportation and insufficent ionic conductivity. Herein, NiFe2O4 (NFO) nanosheets are firstly introduced in polymer matrix to form vertically aligned NFO-PEO (ANFO-PEO) composite solid-state electrolytes (CSEs) through magnetic field-assisted alignment strategy. The vertically aligned NFO/PEO interface in CSEs can construct oriented Li+ transport channels and maximize the utilization of high in-plane conductivity. Meanwhile, the NFO nanosheets with abundant oxygen vacancies could effectively anchor TFSI- to promote the dissociation of Li salts. Furthermore, the optimized Li+ transport flux in CSEs enables homogeneous Li deposition and effectively mitigates the growth of dendrites. Owing to the synergistic effects, the ANFO-PEO CSEs exhibit high ionic conductivity (9.16 × 10-4 S cm-1 at 60 °C) and stable potential window up to 5.0 V vs Li/Li+. Therefore, LiFePO4 in the full cell and pouch cell with ANFO-PEO CSEs could deliver excellent cycling performance (92.78 % capacity retention after 1000 cycles at 0.5C; 96.88 % capacity retention after 105 cycles at 0.1C).
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Affiliation(s)
- Jingyu Shi
- Hunan Provincial Key Laboratory of Thin Film Materials and Devices, School of Materials Science and Engineering, Xiangtan University, 411105 Hunan, China
| | - Feng Gui
- Hunan Provincial Key Laboratory of Thin Film Materials and Devices, School of Materials Science and Engineering, Xiangtan University, 411105 Hunan, China
| | - Ke Huang
- Hunan Provincial Key Laboratory of Thin Film Materials and Devices, School of Materials Science and Engineering, Xiangtan University, 411105 Hunan, China
| | - Xuan Zhou
- Hunan Provincial Key Laboratory of Thin Film Materials and Devices, School of Materials Science and Engineering, Xiangtan University, 411105 Hunan, China
| | - Xue Li
- Hunan Provincial Key Laboratory of Thin Film Materials and Devices, School of Materials Science and Engineering, Xiangtan University, 411105 Hunan, China
| | - Liwen Yang
- School of Physics and Optoelectronics, Xiangtan University, 411105 Hunan, China
| | - Jianyu Huang
- Hunan Provincial Key Laboratory of Thin Film Materials and Devices, School of Materials Science and Engineering, Xiangtan University, 411105 Hunan, China
| | - Gang Wang
- Hunan Provincial Key Laboratory of Thin Film Materials and Devices, School of Materials Science and Engineering, Xiangtan University, 411105 Hunan, China
| | - Guobao Xu
- Hunan Provincial Key Laboratory of Thin Film Materials and Devices, School of Materials Science and Engineering, Xiangtan University, 411105 Hunan, China.
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Jamal H, Khan F, Kim JH, Kim E, Lee SU, Kim JH. Compact Solid Electrolyte Interface Realization Employing Surface-Modified Fillers for Long-Lasting, High-Performance All-Solid-State Li-Metal Batteries. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024:e2402001. [PMID: 38966882 DOI: 10.1002/smll.202402001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/13/2024] [Revised: 06/15/2024] [Indexed: 07/06/2024]
Abstract
The implementation of polymer-based Li-metal batteries is hindered by their low coulombic efficiency and poor cycling stability attributed to continuous electrolyte decomposition. Enhancement of the solid electrolyte interface (SEI) stability is key to mitigating electrolyte decomposition. This study proposes surface-functionalized silica mesoball fillers to fabricate a composite polymer electrolyte (MSBM-CPE). As a result of surface modification, the polyethylene oxide matrix benefits from the uniform distribution of the filler, which provides a large surface area and Lewis acid sites. Molecular dynamics simulations reveal that the dissociation energy of lithium bis(trifluoromethanesulfonyl)imide in the filler is fourfold higher (-1.95 eV) than that of the filler-free electrolyte. Consequently, the MSMB-CPE diffusivity is 30 times higher than its filler-free counterpart. The MSMB-CPE of ionic conductivity of 1.16 × 10-2 S cm-1 @60 °C and a venerable Li-ion transference number of 0.81. The excellent compatibility of MSMB-CPE with the Li anode is demonstrated by its stable symmetric cell performance under high current density (200 µA cm-2 @60 °C) for over 5000 h. Approximately 85.60% retention capacity of the [Li/MSMB-CPE/LiFePO4] full cell after 700 cycles. Furthermore, compositional analysis reveals that the SEI layer in MSMB-CPE is smooth with fewer by-products at the electrolyte/Li interface.
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Affiliation(s)
- Hasan Jamal
- Division of Energy Technology, Daegu Gyeongbuk Institute of Science & Technology, 333, Techno Jungang-Daero, Hyeonpung-Myeon, Dalseong-Gun, Daegu, 42988, Republic of Korea
| | - Firoz Khan
- Interdisciplinary Research Center for Sustainable Energy Systems (IRC-SES), King Fahd University of Petroleum and Minerals (KFUPM), Dhahran, 31261, Saudi Arabia
| | - Ji Hoon Kim
- School of Chemical Engineering, Sungkyunkwan University, Suwon, 16149, Republic of Korea
| | - Eunhui Kim
- Division of Energy Technology, Daegu Gyeongbuk Institute of Science & Technology, 333, Techno Jungang-Daero, Hyeonpung-Myeon, Dalseong-Gun, Daegu, 42988, Republic of Korea
- School of Materials Science and Engineering, Kyungpook National University, Daegu, 41566, Republic of Korea
| | - Sang Uck Lee
- School of Chemical Engineering, Sungkyunkwan University, Suwon, 16149, Republic of Korea
| | - Jae Hyun Kim
- Division of Energy Technology, Daegu Gyeongbuk Institute of Science & Technology, 333, Techno Jungang-Daero, Hyeonpung-Myeon, Dalseong-Gun, Daegu, 42988, Republic of Korea
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Yang B, Deng C, Chen N, Zhang F, Hu K, Gui B, Zhao L, Wu F, Chen R. Super-Ionic Conductor Soft Filler Promotes Li + Transport in Integrated Cathode-Electrolyte for Solid-State Battery at Room Temperature. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2024; 36:e2403078. [PMID: 38583072 DOI: 10.1002/adma.202403078] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/29/2024] [Revised: 03/28/2024] [Indexed: 04/08/2024]
Abstract
Composite polymer solid electrolytes (CPEs), possessing good rigid flexible, are expected to be used in solid-state lithium-metal batteries. The integration of fillers into polymer matrices emerges as a dominant strategy to improve Li+ transport and form a Li+-conducting electrode-electrolyte interface. However, challenges arise as traditional fillers: 1) inorganic fillers, characterized by high interfacial energy, induce agglomeration; 2) organic fillers, with elevated crystallinity, impede intrinsic ionic conductivity, both severely hindering Li+ migration. Here, a concept of super-ionic conductor soft filler, utilizing a Li+ conductivity nanocellulose (Li-NC) as a model, is introduced which exhibits super-ionic conductivity. Li-NC anchors anions, and enhances Li+ transport speed, and assists in the integration of cathode-electrolyte electrodes for room temperature solid-state batteries. The tough dual-channel Li+ transport electrolyte (TDCT) with Li-NC and polyvinylidene fluoride (PVDF) demonstrates a high Li+ transfer number (0.79) due to the synergistic coordination mechanism in Li+ transport. Integrated electrodes' design enables stable performance in LiNi0.5Co0.2Mn0.3O2|Li cells, with 720 cycles at 0.5 C, and 88.8% capacity retention. Furthermore, the lifespan of Li|TDCT|Li cells over 4000 h and Li-rich Li1.2Ni0.13Co0.13Mn0.54O2|Li cells exhibits excellent performance, proving the practical application potential of soft filler for high energy density solid-state lithium-metal batteries at room temperature.
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Affiliation(s)
- Binbin Yang
- School of Materials Science & Engineering, Beijing Institute of Technology, Beijing, 100081, China
| | - Chenglong Deng
- School of Materials Science & Engineering, Beijing Institute of Technology, Beijing, 100081, China
| | - Nan Chen
- School of Materials Science & Engineering, Beijing Institute of Technology, Beijing, 100081, China
- Institute of Advanced Technology, Beijing Institute of Technology, Jinan, 250300, China
| | - Fengling Zhang
- School of Materials Science & Engineering, Beijing Institute of Technology, Beijing, 100081, China
| | - Kaikai Hu
- School of Materials Science & Engineering, Beijing Institute of Technology, Beijing, 100081, China
| | - Boshun Gui
- School of Materials Science & Engineering, Beijing Institute of Technology, Beijing, 100081, China
| | - Liyuan Zhao
- School of Materials Science & Engineering, Beijing Institute of Technology, Beijing, 100081, China
| | - Feng Wu
- School of Materials Science & Engineering, Beijing Institute of Technology, Beijing, 100081, China
- Collaborative Innovation Center of Electric Vehicles in Beijing, Beijing, 100081, China
| | - Renjie Chen
- School of Materials Science & Engineering, Beijing Institute of Technology, Beijing, 100081, China
- Institute of Advanced Technology, Beijing Institute of Technology, Jinan, 250300, China
- Collaborative Innovation Center of Electric Vehicles in Beijing, Beijing, 100081, China
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Yin X, Feng W, Cheng S, Huang Q, Zou X, Wang Z, Yang X, Lu S, Lu X, Zhao Y. Chemically bonding inorganic fillers with polymer to achieve ultra-stable solid-state sodium batteries. J Colloid Interface Sci 2023; 648:855-864. [PMID: 37327628 DOI: 10.1016/j.jcis.2023.06.064] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2023] [Revised: 06/06/2023] [Accepted: 06/09/2023] [Indexed: 06/18/2023]
Abstract
Inorganic/organic composite solid electrolytes (CSEs) have attracted ever-increasing attentions due to their outstanding mechanical stability and processibility. However, the inferior inorganic/organic interface compatibility limits their ionic conductivity and electrochemical stability, which hinders their application in solid-state batteries. Herein, we report a homogeneously distributed inorganic fillers in polymer by in-situ anchoring SiO2 particles in polyethylene oxide (PEO) matrix (I-PEO-SiO2). Compared with ex-situ CSEs (E-PEO-SiO2), SiO2 particles and PEO chains in I-PEO-SiO2 CSEs are closely welded by strong chemical bonds, thus addressing the issue of interfacial compatibility and realizing excellent dendrite-suppression ability. In addition, the Lewis acid-base interactions between SiO2 and salts facilitate the dissociation of sodium salts and increase the concentration of free Na+. Consequently, the I-PEO-SiO2 electrolyte demonstrates an improved Na+ conductivity (2.3 × 10-4 S cm-1 at 60 °C) and Na+ transference number (0.46). The as constructed Na3V2(PO4)3 ‖ I-PEO-SiO2 ‖ Na full-cell demonstrates a high specific capacity of 90.5 mAh g-1 at 3C and an ultra-long cycling stability (>4000 cycles at 1C), outperforming the state-of-the-art literatures. This work provides an effective way to solve the issue of interfacial compatibility, which can enlighten other CSEs to overcome their interior compatibility.
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Affiliation(s)
- Xuemin Yin
- College of Sciences & Institute for Sustainable Energy, Shanghai University, Shanghai 200444, China; Hebei Key Laboratory of Green Development of Rock and Mineral Materials, Hebei GEO University, Shijiazhuang 050031, China
| | - Wuliang Feng
- College of Sciences & Institute for Sustainable Energy, Shanghai University, Shanghai 200444, China
| | - Shuling Cheng
- School of Chemical and Environmental Engineering, Shanghai Institute of Technology, Shanghai 201418, China
| | - Qiuan Huang
- College of Sciences & Institute for Sustainable Energy, Shanghai University, Shanghai 200444, China
| | - Xingli Zou
- Department of Materials Science and Engineering, Shanghai University, Shanghai 200072, China
| | - Zhenwei Wang
- School of Chemical and Environmental Engineering, Shanghai Institute of Technology, Shanghai 201418, China
| | - Xinxin Yang
- Department of Materials Science and Engineering, Shanghai University, Shanghai 200072, China
| | - Shigang Lu
- Department of Materials Science and Engineering, Shanghai University, Shanghai 200072, China
| | - Xionggang Lu
- College of Sciences & Institute for Sustainable Energy, Shanghai University, Shanghai 200444, China
| | - Yufeng Zhao
- College of Sciences & Institute for Sustainable Energy, Shanghai University, Shanghai 200444, China.
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5
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Su Y, Xu F, Zhang X, Qiu Y, Wang H. Rational Design of High-Performance PEO/Ceramic Composite Solid Electrolytes for Lithium Metal Batteries. NANO-MICRO LETTERS 2023; 15:82. [PMID: 37002362 PMCID: PMC10066058 DOI: 10.1007/s40820-023-01055-z] [Citation(s) in RCA: 18] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/25/2022] [Accepted: 02/28/2023] [Indexed: 06/19/2023]
Abstract
Composite solid electrolytes (CSEs) with poly(ethylene oxide) (PEO) have become fairly prevalent for fabricating high-performance solid-state lithium metal batteries due to their high Li+ solvating capability, flexible processability and low cost. However, unsatisfactory room-temperature ionic conductivity, weak interfacial compatibility and uncontrollable Li dendrite growth seriously hinder their progress. Enormous efforts have been devoted to combining PEO with ceramics either as fillers or major matrix with the rational design of two-phase architecture, spatial distribution and content, which is anticipated to hold the key to increasing ionic conductivity and resolving interfacial compatibility within CSEs and between CSEs/electrodes. Unfortunately, a comprehensive review exclusively discussing the design, preparation and application of PEO/ceramic-based CSEs is largely lacking, in spite of tremendous reviews dealing with a broad spectrum of polymers and ceramics. Consequently, this review targets recent advances in PEO/ceramic-based CSEs, starting with a brief introduction, followed by their ionic conduction mechanism, preparation methods, and then an emphasis on resolving ionic conductivity and interfacial compatibility. Afterward, their applications in solid-state lithium metal batteries with transition metal oxides and sulfur cathodes are summarized. Finally, a summary and outlook on existing challenges and future research directions are proposed.
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Affiliation(s)
- Yanxia Su
- State Key Laboratory of Solidification Processing, Centre for Nano Energy Materials, School of Materials Science and Engineering, Northwestern Polytechnical University, Shaanxi Joint Laboratory of Graphene (NPU), Xi'an, 710072, People's Republic of China
| | - Fei Xu
- State Key Laboratory of Solidification Processing, Centre for Nano Energy Materials, School of Materials Science and Engineering, Northwestern Polytechnical University, Shaanxi Joint Laboratory of Graphene (NPU), Xi'an, 710072, People's Republic of China.
| | - Xinren Zhang
- State Key Laboratory of Solidification Processing, Centre for Nano Energy Materials, School of Materials Science and Engineering, Northwestern Polytechnical University, Shaanxi Joint Laboratory of Graphene (NPU), Xi'an, 710072, People's Republic of China
| | - Yuqian Qiu
- State Key Laboratory of Solidification Processing, Centre for Nano Energy Materials, School of Materials Science and Engineering, Northwestern Polytechnical University, Shaanxi Joint Laboratory of Graphene (NPU), Xi'an, 710072, People's Republic of China
| | - Hongqiang Wang
- State Key Laboratory of Solidification Processing, Centre for Nano Energy Materials, School of Materials Science and Engineering, Northwestern Polytechnical University, Shaanxi Joint Laboratory of Graphene (NPU), Xi'an, 710072, People's Republic of China.
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6
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Wang K, Jin X, He X, Huang W, Tian Q, Fu Q, Yan W. Synthesis of Aluminum Phosphate-Coated Halloysite Nanotubes: Effects on Morphological, Mechanical, and Rheological Properties of PEO/PBAT Blends. NANOMATERIALS (BASEL, SWITZERLAND) 2022; 12:2896. [PMID: 36079933 PMCID: PMC9457796 DOI: 10.3390/nano12172896] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 06/10/2022] [Revised: 08/19/2022] [Accepted: 08/20/2022] [Indexed: 06/15/2023]
Abstract
Polymer blending has been widely used to fabricate polymeric films in the last decade due to its superior properties to a single component. In this study, an aluminum phosphate-coated halloysite nanotube (HNTs@AlPO4) was fabricated using a one-pot heterogeneous precipitation method, organically modified HNTs@AlPO4 (o-HNTs@AlPO4) was used to improve the performance of polyethylene oxide/poly(butylene adipate-co-terephthalate) (PEO/PBAT) blends, and the mechanical and rheological properties of the PEO/PBAT/o-HNTs@AlPO4 films were systematically discussed. According to our results, there is an optimal addition for adequate AlPO4 nanoparticle dispersion and coating on the surface of HNTs, and organic modification could improve the interfacial compatibility of HNTs@AlPO4 and the polymeric matrix. Moreover, o-HNTs@AlPO4 may serve as a compatibilizer between PEO and PBAT, and PEO/PBAT/o-HNTs@AlPO4 films have better mechanical and rheological properties than the PEO/PBAT blends without the o-HNTs@AlPO4 component.
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Affiliation(s)
| | | | | | | | | | | | - Wei Yan
- Correspondence: ; Tel.: +86-851-85400760
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Xu Y, Li J, Li W. A Strategy for Preparing Solid Polymer Electrolytes Containing In Situ Synthesized ZnO Nanoparticles with Excellent Electrochemical Performance. NANOMATERIALS 2022; 12:nano12152680. [PMID: 35957111 PMCID: PMC9370296 DOI: 10.3390/nano12152680] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/22/2022] [Revised: 07/20/2022] [Accepted: 08/01/2022] [Indexed: 02/04/2023]
Abstract
ZnO nanoparticles were successfully in situ synthesized in the form of PEO–COO− modified ZnO by a three-step method, based on which the solid polymer electrolytes (SPEs), based on polyethylene oxide (PEO) with excellent electrochemical performance, were prepared. The evolution of the electrochemical and mechanical performances of the SPEs with the ZnO content (0–5 wt.%) was investigated in detail. The mechanical property of the SPEs demonstrated a Λ-shaped change trend as increasing the ZnO content, so that the highest value was acquired at 3 wt.% ZnO. The SPE containing 3 wt.% ZnO had the most outstanding electrochemical performance, which was significantly better than that containing directly-added ZnO (2 wt.%). Compared with the latter, the ion conductivity of the former was improved by approximately 299.05% (1.255 × 10−3 S·cm−1 at 60 °C). The lithium-ion migration number was improved from 0.768 to 0.858. The electrochemical window was enhanced from 5.25 V to 5.50 V. When the coin cell was subject to the cycling (three cycles in turn from 0.1 C to 3 C, and subsequent fifty cycles at 1 C), the 68.73% specific capacity was retained (106.8 mAh·g−1). This investigation provides a feasible approach to prepare the SPEs with excellent service performance.
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Affiliation(s)
| | - Jun Li
- Correspondence: ; Tel.: +86-21-6779-1198; Fax: +86-21-6779-1377
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Abubakar Abdulkadir B, Ojur Dennis J, Abdullahi Adam A, Mudassir Hassan Y, Asyiqin Shamsuri N, Shukur M. Preparation and characterization of solid biopolymer electrolytes based on polyvinyl alcohol/cellulose acetate blend doped with potassium carbonate (K2CO3) salt. J Electroanal Chem (Lausanne) 2022. [DOI: 10.1016/j.jelechem.2022.116539] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Volkov VI, Yarmolenko OV, Chernyak AV, Slesarenko NA, Avilova IA, Baymuratova GR, Yudina AV. Polymer Electrolytes for Lithium-Ion Batteries Studied by NMR Techniques. MEMBRANES 2022; 12:membranes12040416. [PMID: 35448386 PMCID: PMC9028971 DOI: 10.3390/membranes12040416] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/28/2022] [Accepted: 03/30/2022] [Indexed: 11/16/2022]
Abstract
This review is devoted to different types of novel polymer electrolytes for lithium power sources developed during the last decade. In the first part, the compositions and conductivity of various polymer electrolytes are considered. The second part contains NMR applications to the ion transport mechanism. Polymer electrolytes prevail over liquid electrolytes because of their exploitation safety and wider working temperature ranges. The gel electrolytes are mainly attractive. The systems based on polyethylene oxide, poly(vinylidene fluoride-co-hexafluoropropylene), poly(ethylene glycol) diacrylate, etc., modified by nanoparticle (TiO2, SiO2, etc.) additives and ionic liquids are considered in detail. NMR techniques such as high-resolution NMR, solid-state NMR, magic angle spinning (MAS) NMR, NMR relaxation, and pulsed-field gradient NMR applications are discussed. 1H, 7Li, and 19F NMR methods applied to polymer electrolytes are considered. Primary attention is given to the revelation of the ion transport mechanism. A nanochannel structure, compositions of ion complexes, and mobilities of cations and anions studied by NMR, quantum-chemical, and ionic conductivity methods are discussed.
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Affiliation(s)
- Vitaly I. Volkov
- Institute of Problems of Chemical Physics RAS, 142432 Chernogolovka, Russia; (O.V.Y.); (A.V.C.); (N.A.S.); (I.A.A.); (G.R.B.); (A.V.Y.)
- Scientific Center in Chernogolovka RAS, 142432 Chernogolovka, Russia
- Correspondence: or
| | - Olga V. Yarmolenko
- Institute of Problems of Chemical Physics RAS, 142432 Chernogolovka, Russia; (O.V.Y.); (A.V.C.); (N.A.S.); (I.A.A.); (G.R.B.); (A.V.Y.)
| | - Alexander V. Chernyak
- Institute of Problems of Chemical Physics RAS, 142432 Chernogolovka, Russia; (O.V.Y.); (A.V.C.); (N.A.S.); (I.A.A.); (G.R.B.); (A.V.Y.)
- Scientific Center in Chernogolovka RAS, 142432 Chernogolovka, Russia
| | - Nikita A. Slesarenko
- Institute of Problems of Chemical Physics RAS, 142432 Chernogolovka, Russia; (O.V.Y.); (A.V.C.); (N.A.S.); (I.A.A.); (G.R.B.); (A.V.Y.)
| | - Irina A. Avilova
- Institute of Problems of Chemical Physics RAS, 142432 Chernogolovka, Russia; (O.V.Y.); (A.V.C.); (N.A.S.); (I.A.A.); (G.R.B.); (A.V.Y.)
| | - Guzaliya R. Baymuratova
- Institute of Problems of Chemical Physics RAS, 142432 Chernogolovka, Russia; (O.V.Y.); (A.V.C.); (N.A.S.); (I.A.A.); (G.R.B.); (A.V.Y.)
| | - Alena V. Yudina
- Institute of Problems of Chemical Physics RAS, 142432 Chernogolovka, Russia; (O.V.Y.); (A.V.C.); (N.A.S.); (I.A.A.); (G.R.B.); (A.V.Y.)
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Tuning of composition and morphology of LiFePO 4 cathode for applications in all solid-state lithium metal batteries. Sci Rep 2022; 12:5454. [PMID: 35361808 PMCID: PMC8971424 DOI: 10.1038/s41598-022-09244-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2022] [Accepted: 03/14/2022] [Indexed: 11/10/2022] Open
Abstract
All solid-state rechargeable lithium metal batteries (SS-LMBs) are gaining more and more importance because of their higher safety and higher energy densities in comparison to their liquid-based counterparts. In spite of this potential, their low discharge capacities and poor rate performances limit them to be used as state-of-the-art SS-LMBs. This arise due to the low intrinsic ionic and electronic transport pathways within the solid components in the cathode during the fast charge/discharge processes. Therefore, it is necessary to have a cathode with good electron conducting channels to increase the active material utilization without blocking the movement of lithium ions. Since SS-LMBs require a different morphology and composition of the cathode, we selected LiFePO4 (LFP) as a prototype and, we have systematically studied the influence of the cathode composition by varying the contents of active material LFP, conductive additives (super C65 conductive carbon black and conductive graphite), ion conducting components (PEO and LiTFSI) in order to elucidate the best ion as well as electron conduction morphology in the cathode. In addition, a comparative study on different cathode slurry preparation methods was made, wherein ball milling was found to reduce the particle size and increase the homogeneity of LFP which further aids fast Li ion transport throughout the electrode. The SEM analysis of the resulting calendered electrode shows the formation of non-porous and crack-free structures with the presence of conductive graphite throughout the electrode. As a result, the optimum LFP cathode composition with solid polymer nanocomposite electrolyte (SPNE) delivered higher initial discharge capacities of 114 mAh g-1 at 0.2C rate at 30 °C and 141 mAh g-1 at 1C rate at 70 °C. When the current rate was increased to 2C, the electrode still delivered high discharge capacity of 82 mAh g-1 even after 500 cycle, which indicates that the optimum cathode formulation is one of the important parameters in building high rate and long cycle performing SS-LMBs.
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11
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Lithium battery enhanced by the combination of in-situ generated poly(ionic liquid) systems and TiO2 nanoparticles. J Memb Sci 2022. [DOI: 10.1016/j.memsci.2021.119891] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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12
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Méry A, Rousselot S, Lepage D, Dollé M. A Critical Review for an Accurate Electrochemical Stability Window Measurement of Solid Polymer and Composite Electrolytes. MATERIALS (BASEL, SWITZERLAND) 2021; 14:3840. [PMID: 34300757 PMCID: PMC8304043 DOI: 10.3390/ma14143840] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/01/2021] [Revised: 07/06/2021] [Accepted: 07/07/2021] [Indexed: 11/16/2022]
Abstract
All-solid-state lithium batteries (ASSLB) are very promising for the future development of next generation lithium battery systems due to their increased energy density and improved safety. ASSLB employing Solid Polymer Electrolytes (SPE) and Solid Composite Electrolytes (SCE) in particular have attracted significant attention. Among the several expected requirements for a battery system (high ionic conductivity, safety, mechanical stability), increasing the energy density and the cycle life relies on the electrochemical stability window of the SPE or SCE. Most published works target the importance of ionic conductivity (undoubtedly a crucial parameter) and often identify the Electrochemical Stability Window (ESW) of the electrolyte as a secondary parameter. In this review, we first present a summary of recent publications on SPE and SCE with a particular focus on the analysis of their electrochemical stability. The goal of the second part is to propose a review of optimized and improved electrochemical methods, leading to a better understanding and a better evaluation of the ESW of the SPE and the SCE which is, once again, a critical parameter for high stability and high performance ASSLB applications.
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Affiliation(s)
| | | | | | - Mickaël Dollé
- Département de Chimie, Université de Montréal, 1375 Avenue Thérèse-Lavoie-Roux, Montréal, QC H2V 0B3, Canada; (A.M.); (S.R.); (D.L.)
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13
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Bae S, Kim Y, Kim JM, Kim JH. Dual-Cation Electrolytes Crosslinked with MXene for High-Performance Electrochromic Devices. NANOMATERIALS (BASEL, SWITZERLAND) 2021; 11:874. [PMID: 33808123 PMCID: PMC8065717 DOI: 10.3390/nano11040874] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/08/2021] [Revised: 03/20/2021] [Accepted: 03/26/2021] [Indexed: 01/21/2023]
Abstract
MXene, a 2D material, is used as a filler to manufacture polymer electrolytes with high ionic conductivity because of its unique sheet shape, large specific surface area and high aspect ratio. Because MXene has numerous -OH groups on its surface, it can cause dehydration and condensation reactions with poly(4-styrenesulfonic acid) (PSSA) and consequently create pathways for the conduction of cations. The movement of Grotthuss-type hydrogen ions along the cation-conduction pathway is promoted and a high ionic conductivity can be obtained. In addition, when electrolytes composed of a conventional acid or metal salt alone is applied to an electrochromic device (ECD), it does not bring out fast response time, high coloration efficiency and transmittance contrast simultaneously. Therefore, dual-cation electrolytes are designed for high-performance ECDs. Bis(trifluoromethylsulfonyl)amine lithium salt (LiTFSI) was used as a source of lithium ions and PSSA crosslinked with MXene was used as a source of protons. Dual-Cation electrolytes crosslinked with MXene was applied to an indium tin oxide-free, all-solution-processable ECD. The effect of applying the electrolyte to the device was verified in terms of response time, coloration efficiency and transmittance contrast. The ECD with a size of 5 × 5 cm2 showed a high transmittance contrast of 66.7%, fast response time (8 s/15 s) and high coloration efficiency of 340.6 cm2/C.
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Affiliation(s)
- Soyoung Bae
- Department of Chemical and Biomolecular Engineering, Yonsei University, 50 Yonsei-ro, Seodaemoon-Gu, Seoul 03722, Korea; (S.B.); (J.M.K.)
| | - Youngno Kim
- KIURI Institute, Yonsei University, 50 Yonsei-ro, Seodaemoon-Gu, Seoul 03722, Korea;
| | - Jeong Min Kim
- Department of Chemical and Biomolecular Engineering, Yonsei University, 50 Yonsei-ro, Seodaemoon-Gu, Seoul 03722, Korea; (S.B.); (J.M.K.)
| | - Jung Hyun Kim
- Department of Chemical and Biomolecular Engineering, Yonsei University, 50 Yonsei-ro, Seodaemoon-Gu, Seoul 03722, Korea; (S.B.); (J.M.K.)
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Hoang Huy VP, So S, Hur J. Inorganic Fillers in Composite Gel Polymer Electrolytes for High-Performance Lithium and Non-Lithium Polymer Batteries. NANOMATERIALS (BASEL, SWITZERLAND) 2021; 11:614. [PMID: 33804462 PMCID: PMC8001111 DOI: 10.3390/nano11030614] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/19/2021] [Revised: 02/25/2021] [Accepted: 02/26/2021] [Indexed: 12/28/2022]
Abstract
Among the various types of polymer electrolytes, gel polymer electrolytes have been considered as promising electrolytes for high-performance lithium and non-lithium batteries. The introduction of inorganic fillers into the polymer-salt system of gel polymer electrolytes has emerged as an effective strategy to achieve high ionic conductivity and excellent interfacial contact with the electrode. In this review, the detailed roles of inorganic fillers in composite gel polymer electrolytes are presented based on their physical and electrochemical properties in lithium and non-lithium polymer batteries. First, we summarize the historical developments of gel polymer electrolytes. Then, a list of detailed fillers applied in gel polymer electrolytes is presented. Possible mechanisms of conductivity enhancement by the addition of inorganic fillers are discussed for each inorganic filler. Subsequently, inorganic filler/polymer composite electrolytes studied for use in various battery systems, including Li-, Na-, Mg-, and Zn-ion batteries, are discussed. Finally, the future perspectives and requirements of the current composite gel polymer electrolyte technologies are highlighted.
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Affiliation(s)
| | | | - Jaehyun Hur
- Department of Chemical and Biological Engineering, Gachon University, Seongnam 13120, Korea; (V.P.H.H.); (S.S.)
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15
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Abdulkadir BA, Ojur Dennis J, Al-Hadeethi Y, Shukur MFBA, Mkawi EM, Al-Harbi N, Ibnaouf KH, Aldaghri O, Usman F, Abbas Adam A. Optimization of the Electrochemical Performance of a Composite Polymer Electrolyte Based on PVA-K 2CO 3-SiO 2 Composite. Polymers (Basel) 2020; 13:polym13010092. [PMID: 33379413 PMCID: PMC7796327 DOI: 10.3390/polym13010092] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2020] [Revised: 12/20/2020] [Accepted: 12/23/2020] [Indexed: 11/16/2022] Open
Abstract
Composite polymer electrolyte (CPE) based on polyvinyl alcohol (PVA) polymer, potassium carbonate (K2CO3) salt, and silica (SiO2) filler was investigated and optimized in this study for improved ionic conductivity and potential window for use in electrochemical devices. Various quantities of SiO2 in wt.% were incorporated into PVA-K2CO3 complex to prepare the CPEs. To study the effect of SiO2 on PVA-K2CO3 composites, the developed electrolytes were characterized for their chemical structure (FTIR), morphology (FESEM), thermal stabilities (TGA), glass transition temperature (differential scanning calorimetry (DSC)), ionic conductivity using electrochemical impedance spectroscopy (EIS), and potential window using linear sweep voltammetry (LSV). Physicochemical characterization results based on thermal and structural analysis indicated that the addition of SiO2 enhanced the amorphous region of the PVA-K2CO3 composites which enhanced the dissociation of the K2CO3 salt into K+ and CO32- and thus resulting in an increase of the ionic conduction of the electrolyte. An optimum ionic conductivity of 3.25 × 10-4 and 7.86 × 10-3 mScm-1 at ambient temperature and at 373.15 K, respectively, at a potential window of 3.35 V was observed at a composition of 15 wt.% SiO2. From FESEM micrographs, the white granules and aggregate seen on the surface of the samples confirm that SiO2 particles have been successfully dispersed into the PVA-K2CO3 matrix. The observed ionic conductivity increased linearly with increase in temperature confirming the electrolyte as temperature-dependent. Based on the observed performance, it can be concluded that the CPEs based on PVA-K2CO3-SiO2 composites could serve as promising candidate for portable and flexible next generation energy storage devices.
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Affiliation(s)
- Bashir Abubakar Abdulkadir
- Fundamental and Applied Sciences Department, Universiti Teknologi PETRONAS, Tronoh 32610, Malaysia; (J.O.D.); (M.F.B.A.S.); (F.U.); (A.A.A.)
- Correspondence:
| | - John Ojur Dennis
- Fundamental and Applied Sciences Department, Universiti Teknologi PETRONAS, Tronoh 32610, Malaysia; (J.O.D.); (M.F.B.A.S.); (F.U.); (A.A.A.)
| | - Yas Al-Hadeethi
- Department of Physics, Faculty of Science, King Abdulaziz University, Jeddah 21589, Saudi Arabia; (Y.A.-H.); (E.M.M.); (N.A.-H.)
| | - Muhammad Fadhlullah Bin Abd. Shukur
- Fundamental and Applied Sciences Department, Universiti Teknologi PETRONAS, Tronoh 32610, Malaysia; (J.O.D.); (M.F.B.A.S.); (F.U.); (A.A.A.)
| | - E. M. Mkawi
- Department of Physics, Faculty of Science, King Abdulaziz University, Jeddah 21589, Saudi Arabia; (Y.A.-H.); (E.M.M.); (N.A.-H.)
| | - Nuha Al-Harbi
- Department of Physics, Faculty of Science, King Abdulaziz University, Jeddah 21589, Saudi Arabia; (Y.A.-H.); (E.M.M.); (N.A.-H.)
| | - K. H. Ibnaouf
- Physics Department, College of Science, Imam Mohammad Ibn Saud Islamic University (IMSIU), P.O. Box 5701, Riyadh 11432, Saudi Arabia; (K.H.I.); (O.A.)
| | - O. Aldaghri
- Physics Department, College of Science, Imam Mohammad Ibn Saud Islamic University (IMSIU), P.O. Box 5701, Riyadh 11432, Saudi Arabia; (K.H.I.); (O.A.)
| | - Fahad Usman
- Fundamental and Applied Sciences Department, Universiti Teknologi PETRONAS, Tronoh 32610, Malaysia; (J.O.D.); (M.F.B.A.S.); (F.U.); (A.A.A.)
| | - Abdullahi Abbas Adam
- Fundamental and Applied Sciences Department, Universiti Teknologi PETRONAS, Tronoh 32610, Malaysia; (J.O.D.); (M.F.B.A.S.); (F.U.); (A.A.A.)
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