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Liu X, Wang D, Wang X, Wang D, Li Y, Fu J, Zhang R, Liu Z, Zhou Y, Wen G. Designing Compatible Ceramic/Polymer Composite Solid-State Electrolyte for Stable Silicon Nanosheet Anodes. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024; 20:e2309724. [PMID: 38239083 DOI: 10.1002/smll.202309724] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/26/2023] [Revised: 12/05/2023] [Indexed: 06/20/2024]
Abstract
The commercialization of silicon anode for lithium-ion batteries has been hindered by severe structure fracture and continuous interfacial reaction against liquid electrolytes, which can be mitigated by solid-state electrolytes. However, rigid ceramic electrolyte suffers from large electrolyte/electrode interfacial resistance, and polymer electrolyte undergoes poor ionic conductivity, both of which are worsened by volume expansion of silicon. Herein, by dispersing Li1.3Al0.3Ti1.7(PO4)3 (LATP) into poly(vinylidene fluoride)-hexafluoropropylene (PVDF-HFP) and poly(ethylene oxide) (PEO) matrix, the PVDF-HFP/PEO/LATP (PHP-L) solid-state electrolyte with high ionic conductivity (1.40 × 10-3 S cm-1), high tensile strength and flexibility is designed, achieving brilliant compatibility with silicon nanosheets. The chemical interactions between PVDF-HFP and PEO, LATP increase amorphous degree of polymer, accelerating Li+ transfer. Good flexibility of the PHP-L contributes to adaptive structure variation of electrolyte with silicon expansion/shrinkage, ensuring swift interfacial ions transfer. Moreover, the solid membrane with high tensile limits electrode structural degradation and eliminates continuous interfacial growth to form stable 2D solid electrolyte interface (SEI) film, achieving superior cyclic performance to liquid electrolytes. The Si//PHP-L15//LiFePO4 solid-state full-cell exhibits stable lithium storage with 81% capacity retention after 100 cycles. This work demonstrates the effectiveness of composite solid electrolyte in addressing fundamental interfacial and performance challenges of silicon anodes.
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Affiliation(s)
- Xianzheng Liu
- School of Materials Science and Engineering, Shandong University of Technology, Zibo, 255000, P. R. China
| | - Dong Wang
- School of Materials Science and Engineering, Shandong University of Technology, Zibo, 255000, P. R. China
- Shandong Silicon Nano New Material Technology Co. LTD, Zibo, 255000, P. R. China
| | - Xintong Wang
- School of Materials Science and Engineering, Shandong University of Technology, Zibo, 255000, P. R. China
| | - Deyu Wang
- School of Materials Science and Engineering, Shandong University of Technology, Zibo, 255000, P. R. China
| | - Yan Li
- School of Materials Science and Engineering, Shandong University of Technology, Zibo, 255000, P. R. China
| | - Jie Fu
- School of Materials Science and Engineering, Shandong University of Technology, Zibo, 255000, P. R. China
| | - Rui Zhang
- School of Materials Science and Engineering, Shandong University of Technology, Zibo, 255000, P. R. China
| | - Zhiyuan Liu
- School of Materials Science and Engineering, Shandong University of Technology, Zibo, 255000, P. R. China
| | - Yuanzhao Zhou
- School of Materials Science and Engineering, Shandong University of Technology, Zibo, 255000, P. R. China
| | - Guangwu Wen
- School of Materials Science and Engineering, Shandong University of Technology, Zibo, 255000, P. R. China
- Shandong Silicon Nano New Material Technology Co. LTD, Zibo, 255000, P. R. China
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Yao Z, Qi F, Ye L, Sun Q, Gu X, Yang X, Zhu K. Composite polymer electrolyte based on poly(vinylidene fluoride-hexafluoropropylene) (PVDF-HFP) for solid-state batteries. Heliyon 2024; 10:e28097. [PMID: 38533021 PMCID: PMC10963381 DOI: 10.1016/j.heliyon.2024.e28097] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2024] [Revised: 03/09/2024] [Accepted: 03/12/2024] [Indexed: 03/28/2024] Open
Abstract
Using solid-state electrolytes (SSEs) with excellent thermal and electrical stability to replace liquid electrolytes, and assembling solid-state lithium-ion batteries (SSLIBs) is considered the best solution to these safety issues. However, it is difficult for a single electrolyte to have the characteristics of high ionic conductivity, low interface resistance, and high stability of the counter electrode at the same time. In this work, the composite polymer electrolyte membrane (CPE) of inorganic Li1.3Al0.3Ti1.7(PO4)3 (LATP) and organic poly(vinylidene fluoride-hexafluoropropylene) (PVDF-HFP) polymer was successfully prepared by traditional casting method. The addition of LATP (10 wt %) ceramic powder makes CPE membrane (CPE-10) exhibit excellent electrochemical performance: the lithium-ion transference number and electrochemical window are as high as 0.60 and 4.94 V, respectively. Moreover, the CPE-10 showed excellent Li-metal stability, thereby enabling the Li-Li symmetric cells to stably run for over 300 h at 0.1 mA/cm2 with effective lithium dendrite inhibition. When paired with a high-voltage LiNi0.6Co0.2Mn0.2O2 (NCM622) cathode, the Li/CPE-10/NCM622 cell exhibited excellent electrochemical performance: the highest specific discharge capacity of 152 mAh/g could be conducted at 0.2C after 50 cycles corresponding to 100% Coulombic efficiencies. The prepared CPE-10 demonstrates excellent electrochemical performance, providing an effective design strategy for SSLMBs.
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Affiliation(s)
- Zhongran Yao
- School of Automobile and Transportation, Wuxi Institute of Technology, Wuxi, 214121, China
| | - Fen Qi
- Kai Yuan School of Innovation and Entrepreneurship, Wuxi Institute of Technology, Wuxi, 214121, China
| | - Lin Ye
- School of Automobile and Transportation, Wuxi Institute of Technology, Wuxi, 214121, China
| | - Qiang Sun
- School of Automobile and Transportation, Wuxi Institute of Technology, Wuxi, 214121, China
| | - Xiaoyong Gu
- School of Automobile and Transportation, Wuxi Institute of Technology, Wuxi, 214121, China
| | - Xiaowei Yang
- School of Automobile and Transportation, Wuxi Institute of Technology, Wuxi, 214121, China
| | - Kongjun Zhu
- College of Aerospace Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing, 210016, China
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Liu W, Deng N, Chen S, Zhao Y, Gao L, Ju J, Zhao C, Kang W. Flexible self-supporting inorganic nanofiber membrane-reinforced solid-state electrolyte for dendrite-free lithium metal batteries. NANOSCALE 2024. [PMID: 38497195 DOI: 10.1039/d3nr06308a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/19/2024]
Abstract
Compounding of suitable fillers with PEO-based polymers is the key to forming high-performance electrolytes with robust network structures and homogeneous Li+-transport channels. In this work, we innovatively and efficiently prepared Al2O3 nanofibers and deposited an aqueous dispersion of Al2O3 into a membrane via vacuum filtration to construct a nanofiber membrane with a three-dimensional (3D) network structure as the backbone of a PEO-based solid-state electrolyte. The supporting effect of the nanofiber network structure improved the mechanical properties of the reinforced composite solid-state electrolyte and its ability to inhibit the growth of Li dendrites. Meanwhile, interconnected nanofibers in the PEO-based electrolyte and the strong Lewis acid-base interactions between the chemical groups on the surface of the inorganic filler and the ionic species in the PEO matrix provided facilitated pathways for Li+ transport and regulated the uniform deposition of Li+. Moreover, the interaction between Al2O3 and lithium salts as well as the PEO polymer increased free Li+ concentration and maintained its stable electrochemical properties. Hence, assembled Li/Li symmetric cells achieved a cycle life of more than 2000 h. LFP/Li and NMC811/Li cells provided high discharge specific capacities of up to 146.9 mA h g-1 (0.5C and 50 °C) and 166.9 mA h g-1 (0.25C and 50 °C), respectively. The prepared flexible self-supporting 3D nanofiber network structure construction can provide a simple and efficient new strategy for the exploitation of high-performance solid-state electrolytes.
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Affiliation(s)
- Weicui Liu
- State Key Laboratory of Separation Membranes and Membrane Processes, National Center for International Joint Research on Separation Membranes, School of Textile Science and Engineering, Key Laboratory of Advanced Textile Composite, Ministry of Education, Tiangong University, No. 399 BinShuiXi Road, XiQing District, Tianjin 300387, PR China.
| | - Nanping Deng
- State Key Laboratory of Separation Membranes and Membrane Processes, National Center for International Joint Research on Separation Membranes, School of Textile Science and Engineering, Key Laboratory of Advanced Textile Composite, Ministry of Education, Tiangong University, No. 399 BinShuiXi Road, XiQing District, Tianjin 300387, PR China.
| | - Shuang Chen
- Shandong Road New Materials Co., Ltd, Taian Road Engineering Materials Co., Ltd, No. 9 Longji Street, High-tech District, Tai'an City, Shandong Province 271000, PR China
| | - Yixia Zhao
- State Key Laboratory of Separation Membranes and Membrane Processes, National Center for International Joint Research on Separation Membranes, School of Textile Science and Engineering, Key Laboratory of Advanced Textile Composite, Ministry of Education, Tiangong University, No. 399 BinShuiXi Road, XiQing District, Tianjin 300387, PR China.
| | - Lu Gao
- State Key Laboratory of Separation Membranes and Membrane Processes, National Center for International Joint Research on Separation Membranes, School of Textile Science and Engineering, Key Laboratory of Advanced Textile Composite, Ministry of Education, Tiangong University, No. 399 BinShuiXi Road, XiQing District, Tianjin 300387, PR China.
| | - Jingge Ju
- State Key Laboratory of Separation Membranes and Membrane Processes, National Center for International Joint Research on Separation Membranes, School of Textile Science and Engineering, Key Laboratory of Advanced Textile Composite, Ministry of Education, Tiangong University, No. 399 BinShuiXi Road, XiQing District, Tianjin 300387, PR China.
| | - Chunfeng Zhao
- Shandong Road New Materials Co., Ltd, Taian Road Engineering Materials Co., Ltd, No. 9 Longji Street, High-tech District, Tai'an City, Shandong Province 271000, PR China
| | - Weimin Kang
- State Key Laboratory of Separation Membranes and Membrane Processes, National Center for International Joint Research on Separation Membranes, School of Textile Science and Engineering, Key Laboratory of Advanced Textile Composite, Ministry of Education, Tiangong University, No. 399 BinShuiXi Road, XiQing District, Tianjin 300387, PR China.
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Boaretto N, Ghorbanzade P, Perez-Furundarena H, Meabe L, López Del Amo JM, Gunathilaka IE, Forsyth M, Schuhmacher J, Roters A, Krachkovskiy S, Guerfi A, Armand M, Martinez-Ibañez M. Transport Properties and Local Ions Dynamics in LATP-Based Hybrid Solid Electrolytes. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024; 20:e2305769. [PMID: 37875738 DOI: 10.1002/smll.202305769] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/10/2023] [Revised: 09/18/2023] [Indexed: 10/26/2023]
Abstract
Hybrid solid electrolytes (HSEs), namely mixtures of polymer and inorganic electrolytes, have supposedly improved properties with respect to inorganic and polymer electrolytes. In practice, HSEs often show ionic conductivity below expectations, as the high interface resistance limits the contribution of inorganic electrolyte particles to the charge transport process. In this study, the transport properties of a series of HSEs containing Li(1+ x ) Alx Ti(2- x ) (PO4 )3 (LATP) as Li+ -conducting filler are analyzed. The occurrence of Li+ exchange across the two phases is proved by isotope exchange experiment, coupled with 6 Li/7 Li nuclear magnetic resonance (NMR), and by 2D 6 Li exchange spectroscopy (EXSY), which gives a time constant for Li+ exchange of about 50 ms at 60 °C. Electrochemical impedance spectroscopy (EIS) distinguishes a short-range and a long-range conductivity, the latter decreasing with LATP concentration. LATP particles contribute to the overall conductivity only at high temperatures and at high LATP concentrations. Pulsed field gradient (PFG)-NMR suggests a selective decrease of the anions' diffusivity at high temperatures, translating into a marginal increase of the Li+ transference number. Although the transport properties are only marginally affected, addition of moderate amounts of LATP to polymer electrolytes enhances their mechanical properties, thus improving the plating/stripping performance and processability.
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Affiliation(s)
- Nicola Boaretto
- Centre for Cooperative Research on Alternative Energies, CIC energiGUNE, Basque Research and Technology Alliance (BRTA), Alava Technology Park, Albert Einstein 48, Vitoria-Gasteiz, 01510, Spain
| | - Pedram Ghorbanzade
- Centre for Cooperative Research on Alternative Energies, CIC energiGUNE, Basque Research and Technology Alliance (BRTA), Alava Technology Park, Albert Einstein 48, Vitoria-Gasteiz, 01510, Spain
- University of Basque Country (UPV/EHU), Barrio Sarriena, s/n, Leioa, 48940, Spain
- ALISTORE-European Research Institute, CNRS, Hub de l'Energie, Amiens, 80039, France
| | - Haritz Perez-Furundarena
- Centre for Cooperative Research on Alternative Energies, CIC energiGUNE, Basque Research and Technology Alliance (BRTA), Alava Technology Park, Albert Einstein 48, Vitoria-Gasteiz, 01510, Spain
| | - Leire Meabe
- Centre for Cooperative Research on Alternative Energies, CIC energiGUNE, Basque Research and Technology Alliance (BRTA), Alava Technology Park, Albert Einstein 48, Vitoria-Gasteiz, 01510, Spain
| | - Juan Miguel López Del Amo
- Centre for Cooperative Research on Alternative Energies, CIC energiGUNE, Basque Research and Technology Alliance (BRTA), Alava Technology Park, Albert Einstein 48, Vitoria-Gasteiz, 01510, Spain
| | - Isuru E Gunathilaka
- Institute for Frontier Materials, Deakin University, Geelong, VIC, 3217, Australia
| | - Maria Forsyth
- Institute for Frontier Materials, Deakin University, Geelong, VIC, 3217, Australia
- Ikerbasque, Basque Foundation for Science, Bilbao, 48013, Spain
- POLYMAT, University of the Basque Country UPV/EHU Joxe Mari Korta Center, Donostia-San Sebastián, 200018, Spain
| | | | | | - Sergey Krachkovskiy
- Center of Excellence in Transportation Electrification and Energy Storage (CETEES), Hydro-Québec, 1806, Boul. Lionel-Boulet, Varennes, Québec, J3×1S1, Canada
| | - Abdelbast Guerfi
- Center of Excellence in Transportation Electrification and Energy Storage (CETEES), Hydro-Québec, 1806, Boul. Lionel-Boulet, Varennes, Québec, J3×1S1, Canada
| | - Michel Armand
- Centre for Cooperative Research on Alternative Energies, CIC energiGUNE, Basque Research and Technology Alliance (BRTA), Alava Technology Park, Albert Einstein 48, Vitoria-Gasteiz, 01510, Spain
| | - María Martinez-Ibañez
- Centre for Cooperative Research on Alternative Energies, CIC energiGUNE, Basque Research and Technology Alliance (BRTA), Alava Technology Park, Albert Einstein 48, Vitoria-Gasteiz, 01510, Spain
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Bai L, Wang P, Li C, Li N, Chen X, Li Y, Xiao J. Polyaspartate Polyurea-Based Solid Polymer Electrolyte with High Ionic Conductivity for the All-Solid-State Lithium-Ion Battery. ACS OMEGA 2023; 8:20272-20282. [PMID: 37332777 PMCID: PMC10268638 DOI: 10.1021/acsomega.2c07349] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/16/2022] [Accepted: 04/11/2023] [Indexed: 06/20/2023]
Abstract
The existing in situ preparation methods of solid polymer electrolytes (SPEs) often require the use of a solvent, which would lead to a complicated process and potential safety hazards. Therefore, it is urgent to develop a solvent-free in situ method to produce SPEs with good processability and excellent compatibility. Herein, a series of polyaspartate polyurea-based SPEs (PAEPU-based SPEs) with abundant (PO)x(EO)y(PO)z segments and cross-linked structures were developed by systematically regulating the molar ratios of isophorone diisocyanate (IPDI) and isophorone diisocyanate trimer (tri-IPDI) in the polymer backbone and LiTFSI concentrations via an in situ polymerization method, which gave rise to good interfacial compatibility. Furthermore, the in situ-prepared PAEPU-SPE@D15 based on the IPDI/tri-IPDI molar ratio of 2:1 and 15 wt % LiTFSI exhibits an improved ionic conductivity of 6.80 × 10-5 S/cm at 30 °C and could reach 10-4 orders of magnitude when the temperature was above 40 °C. The Li|LiFePO4 battery based on PAEPU-SPE@D15 had a wide electrochemical stability window of 5.18 V, demonstrating a superior interface compatibility toward LiFePO4 and the lithium metal anode, exhibited a high discharge capacity of 145.7 mAh g-1 at the 100th cycle and a capacity retention of 96.8%, and retained a coulombic efficiency of above 98.0%. These results showed that the PAEPU-SPE@D15 system displayed a stable cycle performance, excellent rate performance, and high safety compared with PEO systems, indicating that the PAEPU-based SPE system may play a crucial role in the future.
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Affiliation(s)
- Lu Bai
- Hebei
Key Laboratory of Flexible Functional Materials, School of Materials
Science and Engineering, Hebei University
of Science and Technology, Shijiazhuang 050000, China
- Institute
of Energy Source, Hebei Academy of Sciences, Shijiazhuang 050052, China
| | - Peng Wang
- Hebei
Key Laboratory of Flexible Functional Materials, School of Materials
Science and Engineering, Hebei University
of Science and Technology, Shijiazhuang 050000, China
| | - Chengyu Li
- Hebei
Key Laboratory of Flexible Functional Materials, School of Materials
Science and Engineering, Hebei University
of Science and Technology, Shijiazhuang 050000, China
| | - Na Li
- Hebei
Key Laboratory of Flexible Functional Materials, School of Materials
Science and Engineering, Hebei University
of Science and Technology, Shijiazhuang 050000, China
| | - Xiaoqi Chen
- Institute
of Energy Source, Hebei Academy of Sciences, Shijiazhuang 050052, China
| | - Yantao Li
- Institute
of Energy Source, Hebei Academy of Sciences, Shijiazhuang 050052, China
| | - Jijun Xiao
- Hebei
Key Laboratory of Flexible Functional Materials, School of Materials
Science and Engineering, Hebei University
of Science and Technology, Shijiazhuang 050000, China
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Yu X, Jiang Z, Yuan R, Song H. A Review of the Relationship between Gel Polymer Electrolytes and Solid Electrolyte Interfaces in Lithium Metal Batteries. NANOMATERIALS (BASEL, SWITZERLAND) 2023; 13:nano13111789. [PMID: 37299691 DOI: 10.3390/nano13111789] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/30/2023] [Revised: 05/30/2023] [Accepted: 05/30/2023] [Indexed: 06/12/2023]
Abstract
Lithium metal batteries (LMBs) are a dazzling star in electrochemical energy storage thanks to their high energy density and low redox potential. However, LMBs have a deadly lithium dendrite problem. Among the various methods for inhibiting lithium dendrites, gel polymer electrolytes (GPEs) possess the advantages of good interfacial compatibility, similar ionic conductivity to liquid electrolytes, and better interfacial tension. In recent years, there have been many reviews of GPEs, but few papers discussed the relationship between GPEs and solid electrolyte interfaces (SEIs). In this review, the mechanisms and advantages of GPEs in inhibiting lithium dendrites are first reviewed. Then, the relationship between GPEs and SEIs is examined. In addition, the effects of GPE preparation methods, plasticizer selections, polymer substrates, and additives on the SEI layer are summarized. Finally, the challenges of using GPEs and SEIs in dendrite suppression are listed and a perspective on GPEs and SEIs is considered.
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Affiliation(s)
- Xiaoqi Yu
- State Key Laboratory of Chemical Resource Engineering, Beijing Key Laboratory of Electrochemical Process and Technology for Materials, Beijing University of Chemical Technology, Beijing 100029, China
| | - Zipeng Jiang
- State Key Laboratory of Chemical Resource Engineering, Beijing Key Laboratory of Electrochemical Process and Technology for Materials, Beijing University of Chemical Technology, Beijing 100029, China
| | - Renlu Yuan
- State Key Laboratory of Chemical Resource Engineering, Beijing Key Laboratory of Electrochemical Process and Technology for Materials, Beijing University of Chemical Technology, Beijing 100029, China
| | - Huaihe Song
- State Key Laboratory of Chemical Resource Engineering, Beijing Key Laboratory of Electrochemical Process and Technology for Materials, Beijing University of Chemical Technology, Beijing 100029, China
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