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Lv L, Zhou S, Liu C, Sun Y, Zhang J, Bu C, Meng J, Huang Y. Recycling and Reuse of Spent LIBs: Technological Advances and Future Directions. Molecules 2024; 29:3161. [PMID: 38999113 PMCID: PMC11243651 DOI: 10.3390/molecules29133161] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2024] [Revised: 06/27/2024] [Accepted: 06/28/2024] [Indexed: 07/14/2024] Open
Abstract
Recovering valuable metals from spent lithium-ion batteries (LIBs), a kind of solid waste with high pollution and high-value potential, is very important. In recent years, the extraction of valuable metals from the cathodes of spent LIBs and cathode regeneration technology are still rapidly developing (such as flash Joule heating technology to regenerate cathodes). This review summarized the studies published in the recent ten years to catch the rapid pace of development in this field. The development, structure, and working principle of LIBs were firstly introduced. Subsequently, the recent developments in mechanisms and processes of pyrometallurgy and hydrometallurgy for extracting valuable metals and cathode regeneration were summarized. The commonly used processes, products, and efficiencies for the recycling of nickel-cobalt-manganese cathodes (NCM/LCO/LMO/NCA) and lithium iron phosphate (LFP) cathodes were analyzed and compared. Compared with pyrometallurgy and hydrometallurgy, the regeneration method was a method with a higher resource utilization rate, which has more industrial application prospects. Finally, this paper pointed out the shortcomings of the current research and put forward some suggestions for the recovery and reuse of spent lithium-ion battery cathodes in the future.
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Affiliation(s)
- Long Lv
- School of Energy and Mechanical Engineering, Nanjing Normal University, Nanjing 210046, China
| | - Siqi Zhou
- School of Energy and Mechanical Engineering, Nanjing Normal University, Nanjing 210046, China
| | - Changqi Liu
- School of Energy and Mechanical Engineering, Nanjing Normal University, Nanjing 210046, China
| | - Yuan Sun
- State Key Laboratory of NBC Protection for Civilian, Beijing 100083, China
| | - Jubing Zhang
- School of Energy and Mechanical Engineering, Nanjing Normal University, Nanjing 210046, China
| | - Changsheng Bu
- School of Energy and Mechanical Engineering, Nanjing Normal University, Nanjing 210046, China
| | - Junguang Meng
- School of Energy and Mechanical Engineering, Nanjing Normal University, Nanjing 210046, China
| | - Yaji Huang
- Key Laboratory of Energy Thermal Conversion and Control of Ministry of Education, School of Energy and Environment, Southeast University, Nanjing 210096, China
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Vareda JP, Fonseca AC, Ribeiro ACF, Pontinha ADR. Silica-Poly(Vinyl Alcohol) Composite Aerogel: A Promising Electrolyte for Solid-State Sodium Batteries. Gels 2024; 10:293. [PMID: 38786210 PMCID: PMC11120664 DOI: 10.3390/gels10050293] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2024] [Revised: 04/19/2024] [Accepted: 04/22/2024] [Indexed: 05/25/2024] Open
Abstract
The transition from fossil fuels is in part limited by our inability to store energy at different scales. Batteries are therefore in high demand, and we need them to store more energy, be more reliable, durable and have less social and environmental impact. Silica-poly(vinyl alcohol) (PVA) composite aerogels doped with sodium perchlorate were synthesized as novel electrolytes for potential application in solid-state sodium batteries. The aerogels, synthesized by one-pot synthesis, are light (up to 214 kg m-3), porous (~85%), exhibit reduced shrinkage on drying (up to 12%) and a typical silica aerogel microstructure. The formation of a silica network and the presence of PVA and sodium perchlorate in the composite were confirmed by FTIR and TGA. The XRD analysis also shows that a predominantly amorphous structure is obtained, as crystalline phases of polymer and salt are present in a very reduced amount. The effects of increasing polymer and sodium salt concentrations on the ionic conductivity, assessed via electrochemical impedance spectroscopy, were studied. At a PVA concentration of 15% (w/w silica precursors), the sodium conduction improved significantly up to (1.1 ± 0.3) × 10-5 S cm-1. Thus, this novel material has promising properties for the envisaged application.
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Affiliation(s)
- João Pedro Vareda
- University of Coimbra, CERES, Department of Chemical Engineering, Rua Silvio Lima, 3030-790 Coimbra, Portugal
| | - Ana Clotilde Fonseca
- University of Coimbra, CEMMPRE, ARISE, Department of Chemical Engineering, Rua Sílvio Lima, 3030-790 Coimbra, Portugal;
| | | | - Ana Dora Rodrigues Pontinha
- University of Coimbra, ISISE, ARISE, Department of Civil Engineering, Rua Luís Reis Santos, 3030-788 Coimbra, Portugal;
- SeaPower, Associação Para o Desenvolvimento da Economia do Mar, Rua Das Acácias, Nº 40A, Parque Industrial da Figueira Da Foz, 3090-380 Figueira Da Foz, Portugal
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Lei YJ, Zhao L, Lai WH, Huang Z, Sun B, Jaumaux P, Sun K, Wang YX, Wang G. Electrochemical coupling in subnanometer pores/channels for rechargeable batteries. Chem Soc Rev 2024; 53:3829-3895. [PMID: 38436202 DOI: 10.1039/d3cs01043k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/05/2024]
Abstract
Subnanometer pores/channels (SNPCs) play crucial roles in regulating electrochemical redox reactions for rechargeable batteries. The delicately designed and tailored porous structure of SNPCs not only provides ample space for ion storage but also facilitates efficient ion diffusion within the electrodes in batteries, which can greatly improve the electrochemical performance. However, due to current technological limitations, it is challenging to synthesize and control the quality, storage, and transport of nanopores at the subnanometer scale, as well as to understand the relationship between SNPCs and performances. In this review, we systematically classify and summarize materials with SNPCs from a structural perspective, dividing them into one-dimensional (1D) SNPCs, two-dimensional (2D) SNPCs, and three-dimensional (3D) SNPCs. We also unveil the unique physicochemical properties of SNPCs and analyse electrochemical couplings in SNPCs for rechargeable batteries, including cathodes, anodes, electrolytes, and functional materials. Finally, we discuss the challenges that SNPCs may face in electrochemical reactions in batteries and propose future research directions.
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Affiliation(s)
- Yao-Jie Lei
- Centre for Clean Energy Technology, School of Mathematical and Physical Sciences, Faculty of Science, University of Technology Sydney, Sydney, NSW 2007, Australia.
| | - Lingfei Zhao
- Institute for Superconducting & Electronic Materials, Australian Institute of Innovative Materials, University of Wollongong, Innovation Campus, Squires Way, North Wollongong, NSW 2500, Australia
| | - Wei-Hong Lai
- Institute for Superconducting & Electronic Materials, Australian Institute of Innovative Materials, University of Wollongong, Innovation Campus, Squires Way, North Wollongong, NSW 2500, Australia
| | - Zefu Huang
- Centre for Clean Energy Technology, School of Mathematical and Physical Sciences, Faculty of Science, University of Technology Sydney, Sydney, NSW 2007, Australia.
| | - Bing Sun
- Centre for Clean Energy Technology, School of Mathematical and Physical Sciences, Faculty of Science, University of Technology Sydney, Sydney, NSW 2007, Australia.
| | - Pauline Jaumaux
- Centre for Clean Energy Technology, School of Mathematical and Physical Sciences, Faculty of Science, University of Technology Sydney, Sydney, NSW 2007, Australia.
| | - Kening Sun
- School of Chemistry and Chemical Engineering, Beijing Institute of Technology, Beijing 10081, P. R. China.
| | - Yun-Xiao Wang
- Institute of Energy Materials Science (IEMS), University of Shanghai for Science and Technology, 516 Jungong Road, Shanghai, 200093, P. R. China.
| | - Guoxiu Wang
- Centre for Clean Energy Technology, School of Mathematical and Physical Sciences, Faculty of Science, University of Technology Sydney, Sydney, NSW 2007, Australia.
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Ji D, Kim J. Trend of Developing Aqueous Liquid and Gel Electrolytes for Sustainable, Safe, and High-Performance Li-Ion Batteries. NANO-MICRO LETTERS 2023; 16:2. [PMID: 37930432 PMCID: PMC10628089 DOI: 10.1007/s40820-023-01220-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/12/2023] [Accepted: 09/28/2023] [Indexed: 11/07/2023]
Abstract
Current lithium-ion batteries (LIBs) rely on organic liquid electrolytes that pose significant risks due to their flammability and toxicity. The potential for environmental pollution and explosions resulting from battery damage or fracture is a critical concern. Water-based (aqueous) electrolytes have been receiving attention as an alternative to organic electrolytes. However, a narrow electrochemical-stability window, water decomposition, and the consequent low battery operating voltage and energy density hinder the practical use of aqueous electrolytes. Therefore, developing novel aqueous electrolytes for sustainable, safe, high-performance LIBs remains challenging. This Review first commences by summarizing the roles and requirements of electrolytes-separators and then delineates the progression of aqueous electrolytes for LIBs, encompassing aqueous liquid and gel electrolyte development trends along with detailed principles of the electrolytes. These aqueous electrolytes are progressed based on strategies using superconcentrated salts, concentrated diluents, polymer additives, polymer networks, and artificial passivation layers, which are used for suppressing water decomposition and widening the electrochemical stability window of water of the electrolytes. In addition, this Review discusses potential strategies for the implementation of aqueous Li-metal batteries with improved electrolyte-electrode interfaces. A comprehensive understanding of each strategy in the aqueous system will assist in the design of an aqueous electrolyte and the development of sustainable and safe high-performance batteries.
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Affiliation(s)
- Donghwan Ji
- School of Chemical Engineering, Sungkyunkwan University (SKKU), Suwon, 16419, Republic of Korea
- Department of NanoEngineering, University of California San Diego, La Jolla, San Diego, CA, 92093, USA
| | - Jaeyun Kim
- School of Chemical Engineering, Sungkyunkwan University (SKKU), Suwon, 16419, Republic of Korea.
- Department of Health Sciences and Technology, Samsung Advanced Institute for Health Sciences & Technology (SAIHST), Sungkyunkwan University (SKKU), Suwon, 16419, Republic of Korea.
- Biomedical Institute for Convergence at SKKU (BICS), Sungkyunkwan University (SKKU), Suwon, 16419, Republic of Korea.
- Institute of Quantum Biophysics (IQB), Sungkyunkwan University (SKKU), Suwon, 16419, Republic of Korea.
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Tamate R, Peng Y, Kamiyama Y, Nishikawa K. Extremely Tough, Stretchable Gel Electrolytes with Strong Interpolymer Hydrogen Bonding Prepared Using Concentrated Electrolytes to Stabilize Lithium-Metal Anodes. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2023:e2211679. [PMID: 37073627 DOI: 10.1002/adma.202211679] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/13/2022] [Revised: 02/21/2023] [Indexed: 05/03/2023]
Abstract
Extremely tough and stretchable gel electrolytes, which can be prepared by leveraging the strong interpolymer hydrogen bonding in concentrated lithium (Li)-salt electrolytes, are reported. These electrolytes can be realized by optimizing the competitive hydrogen-bonding interactions between polymer chains, solvent molecules, Li cations, and counteranions. Free polar solvent molecules, which typically impede interpolymer hydrogen bonding, are scarce in concentrated electrolytes; this feature can be exploited to prepare hydrogen-bonded gel electrolytes with unprecedented toughness. In contrast, free solvent molecules are abundant in electrolytes with typical concentrations, yielding considerably weaker gel electrolytes. The tough gel electrolyte can be used an artificial protective layer for Li-metal anodes, as it considerably enhances the cycling stability of a Li symmetric cell through uniform Li deposition/dissolution. Additionally, employing the gel electrolyte as the protecting layer significantly improves the cycling performance of the Li||LiNi0.6 Co0.2 Mn0.2 O2 full cell.
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Affiliation(s)
- Ryota Tamate
- Center for Advanced Battery Collaboration, Center for Green Research on Energy and Environmental Materials, National Institute for Material Science, 1-1 Namiki, Tsukuba, Ibaraki, 305-0044, Japan
| | - Yueying Peng
- Center for Advanced Battery Collaboration, Center for Green Research on Energy and Environmental Materials, National Institute for Material Science, 1-1 Namiki, Tsukuba, Ibaraki, 305-0044, Japan
| | - Yuji Kamiyama
- Research Center for Functional Materials, National Institute for Materials Science, 1-1 Namiki, Tsukuba, Ibaraki, 305-0044, Japan
- Graduate School of Life Science, Hokkaido University, Kita 10, Nishi 8, Kita-ku, Sapporo, Hokkaido, 060-0810, Japan
| | - Kei Nishikawa
- Center for Advanced Battery Collaboration, Center for Green Research on Energy and Environmental Materials, National Institute for Material Science, 1-1 Namiki, Tsukuba, Ibaraki, 305-0044, Japan
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Yang JL, Zhao XX, Zhang W, Ren K, Luo XX, Cao JM, Zheng SH, Li WL, Wu XL. "Pore-Hopping" Ion Transport in Cellulose-Based Separator Towards High-Performance Sodium-Ion Batteries. Angew Chem Int Ed Engl 2023; 62:e202300258. [PMID: 36721269 DOI: 10.1002/anie.202300258] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2023] [Revised: 01/27/2023] [Accepted: 01/30/2023] [Indexed: 02/02/2023]
Abstract
Sodium-ion batteries (SIBs) have great potential for large-scale energy storage. Cellulose is an attractive material for sustainable separators, but some key issues still exist affecting its application. Herein, a cellulose-based composite separator (CP@PPC) was prepared by immersion curing of cellulose-based separators (CP) with poly(propylene carbonate) (PPC). With the assistance of PPC, the CP@PPC separator is able to operate the cell stably at high voltages (up to 4.95 V). The "pore-hopping" ion transport mechanism in CP@PPC opens up extra Na+ migration paths, resulting in a high Na+ transference number (0.613). The separator can also tolerate folding, bending and extreme temperature under certain circumstances. Full cells with CP@PPC reveal one-up capacity retention (96.97 %) at 2C after 500 cycles compared to cells with CP. The mechanism highlights the merits of electrolyte analogs in separator modification, making a rational design for durable devices in advanced energy storage systems.
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Affiliation(s)
- Jia-Lin Yang
- MOE Key Laboratory for UV Light-Emitting Materials and Technology, Northeast Normal University, Changchun, Jilin, 130024, P. R. China
| | - Xin-Xin Zhao
- Department of Chemistry, Northeast Normal University, Changchun, Jilin, 130024, P. R. China
| | - Wei Zhang
- Department of Chemistry, Northeast Normal University, Changchun, Jilin, 130024, P. R. China
| | - Kai Ren
- Department of Chemistry, Northeast Normal University, Changchun, Jilin, 130024, P. R. China
| | - Xiao-Xi Luo
- Department of Chemistry, Northeast Normal University, Changchun, Jilin, 130024, P. R. China
| | - Jun-Ming Cao
- MOE Key Laboratory for UV Light-Emitting Materials and Technology, Northeast Normal University, Changchun, Jilin, 130024, P. R. China
| | - Shuo-Hang Zheng
- MOE Key Laboratory for UV Light-Emitting Materials and Technology, Northeast Normal University, Changchun, Jilin, 130024, P. R. China
| | - Wen-Liang Li
- Department of Chemistry, Northeast Normal University, Changchun, Jilin, 130024, P. R. China
| | - Xing-Long Wu
- MOE Key Laboratory for UV Light-Emitting Materials and Technology, Northeast Normal University, Changchun, Jilin, 130024, P. R. China.,Department of Chemistry, Northeast Normal University, Changchun, Jilin, 130024, P. R. China
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Li Z, Wang L, Yu M, Liu Y, Liu B, Sun Z, Hu W, Zhu G. Lithium-Rich Porous Aromatic Framework-Based Quasi-Solid Polymer Electrolyte for High-Performance Lithium Ion Batteries. ACS APPLIED MATERIALS & INTERFACES 2022; 14:53798-53807. [PMID: 36441518 DOI: 10.1021/acsami.2c15810] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
The development of solid polymer electrolytes (SPEs) with high ionic conductivity, wide electrochemical window, and high mechanical strength is the key factor to realize high-energy-density solid lithium ion batteries (SLIBs). Porous aromatic frameworks (PAFs) have the advantages of high porosity, easily functionalized molecular structure, and rigid stable framework, which fully meet the requirements of solid polymer electrolytes with high Li+ capacity, fast Li+ transport, and safety. Herein, a lithium-rich amidoxime (AO)-modified porous aromatic framework (PAF-170-AO) was obtained through the absorption of LiTFSI by amidoxime groups and abundant pores and then compounded with poly(vinylidene fluoride-co-hexafluoropropylene) (PVDF-HFP) to prepare a PAF-based quasi-solid polymer electrolyte (PAF-QSPE) with only tiny amounts of plasticizer (∼12 μL). The amidoxime groups of PAF-170-AO restricted the movement of the anions of LiTFSI through hydrogen bonding, which effectively promoted the dissociation and migration number of Li+ (tLi+), reduced the concentration polarization, and inhibited the growth of lithium dendrites. The PAF-QSPE exhibited a high ionic conductivity of 1.75 × 10-4 S cm-1 and tLi+ of 0.55 at room temperature. The activation energy was as low as 0.136 eV. Furthermore, the assembled SLIBs with the PAF-QSPE presented a discharge capacity of 163 mAh g-1 at 0.2 C and a capacity retention rate of 96% after 350 cycles, illustrating a stable cycling performance. This work demonstrated the great application potential of lithium-rich PAFs in QSPEs.
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Affiliation(s)
- Zhangnan Li
- Faculty of Chemistry, Northeast Normal University, 5268 Renmin Street, Changchun, Jilin130024, P. R. China
| | - Liying Wang
- Faculty of Chemistry, Northeast Normal University, 5268 Renmin Street, Changchun, Jilin130024, P. R. China
| | - Mengxuan Yu
- Faculty of Chemistry, Northeast Normal University, 5268 Renmin Street, Changchun, Jilin130024, P. R. China
| | - Yuhan Liu
- Faculty of Chemistry, Northeast Normal University, 5268 Renmin Street, Changchun, Jilin130024, P. R. China
| | - Baijun Liu
- Faculty of Chemistry, Jilin University, 2699 Qianjin Street, Changchun130012, P. R. China
| | - Zhaoyan Sun
- State Key Laboratory of Polymer Physics and Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, 5625 Renmin Street, Changchun130022, P. R. China
| | - Wei Hu
- Faculty of Chemistry, Northeast Normal University, 5268 Renmin Street, Changchun, Jilin130024, P. R. China
| | - Guangshan Zhu
- Faculty of Chemistry, Northeast Normal University, 5268 Renmin Street, Changchun, Jilin130024, P. R. China
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Kwon DS, Gong SH, Yun S, Jeong D, Je J, Kim HJ, Kim SO, Kim HS, Shim J. Regulating Na Electrodeposition by Sodiophilic Grafting onto Porosity-Gradient Gel Polymer Electrolytes for Dendrite-Free Sodium Metal Batteries. ACS APPLIED MATERIALS & INTERFACES 2022; 14:47650-47658. [PMID: 36254882 DOI: 10.1021/acsami.2c12287] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
Sodium metal batteries have been emerging as promising candidates for post-Li battery systems owing to the natural abundance, low costs, and high energy density of Na metal. However, exploiting an Na metal anode is accompanied by uncontrolled Na electrodeposition, particularly concerning dendrite growth, hampering practical Na metal battery applications. Herein, we propose sodiophilic gel polymer electrolytes with a porosity-gradient Janus structure to alleviate Na dendrite growth. Tethering only 1.1 mol % sodiophilic poly(ethylene glycol) to poly(vinylidene fluoride-co-hexafluoropropylene) suppresses Na dendrites by regulating homogeneous Na+ distribution, which relies on molecular-level coordination between Na+ and the sodiophilic functional groups. By exploiting the porosity-gradient Janus structure, we have demonstrated that regular porosity and well-defined morphology of polymer electrolytes, particularly at the Na/electrolyte interface, significantly impact dendrite growth. This study provides new insights into the rational design of Na dendrite-suppressing polymer electrolytes, primarily focusing on the ion-regulating ability achieved by surface engineering.
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Affiliation(s)
- Da-Sol Kwon
- Energy Storage Research Center, Korea Institute of Science and Technology (KIST), 14 Gil 5 Hwarang-ro, Seongbuk-gu, Seoul02792, Republic of Korea
- Department of Chemical and Biological Engineering, Korea University, 145, Anam-ro, Seongbuk-gu, Seoul02841, Republic of Korea
| | - Sang Hyuk Gong
- Energy Storage Research Center, Korea Institute of Science and Technology (KIST), 14 Gil 5 Hwarang-ro, Seongbuk-gu, Seoul02792, Republic of Korea
- Department of Materials Science and Engineering, Korea University, 145, Anam-ro, Seongbuk-gu, Seoul02841, Republic of Korea
| | - Seunghan Yun
- Energy Storage Research Center, Korea Institute of Science and Technology (KIST), 14 Gil 5 Hwarang-ro, Seongbuk-gu, Seoul02792, Republic of Korea
| | - Daun Jeong
- Energy Storage Research Center, Korea Institute of Science and Technology (KIST), 14 Gil 5 Hwarang-ro, Seongbuk-gu, Seoul02792, Republic of Korea
| | - Junhwan Je
- Energy Storage Research Center, Korea Institute of Science and Technology (KIST), 14 Gil 5 Hwarang-ro, Seongbuk-gu, Seoul02792, Republic of Korea
| | - Hee Joong Kim
- Department of Polymer Science and Engineering & Program in Environmental and Polymer Engineering, Inha University, 100 Inha-ro, Michuhol-gu, Incheon22212, Republic of Korea
| | - Sang-Ok Kim
- Energy Storage Research Center, Korea Institute of Science and Technology (KIST), 14 Gil 5 Hwarang-ro, Seongbuk-gu, Seoul02792, Republic of Korea
| | - Hyung-Seok Kim
- Energy Storage Research Center, Korea Institute of Science and Technology (KIST), 14 Gil 5 Hwarang-ro, Seongbuk-gu, Seoul02792, Republic of Korea
| | - Jimin Shim
- Energy Storage Research Center, Korea Institute of Science and Technology (KIST), 14 Gil 5 Hwarang-ro, Seongbuk-gu, Seoul02792, Republic of Korea
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Kanwade A, Gupta S, Kankane A, Tiwari MK, Srivastava A, Kumar Satrughna JA, Chand Yadav S, Shirage PM. Transition metal oxides as a cathode for indispensable Na-ion batteries. RSC Adv 2022; 12:23284-23310. [PMID: 36090429 PMCID: PMC9382698 DOI: 10.1039/d2ra03601k] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2022] [Accepted: 08/08/2022] [Indexed: 01/10/2023] Open
Abstract
The essential requirement to harness well-known renewable energy sources like wind energy, solar energy, etc. as a component of an overall plan to guarantee global power sustainability will require highly efficient, high power and energy density batteries to collect the derived electrical power and balance out variations in both supply and demand. Owing to the continuous exhaustion of fossil fuels, and ever increasing ecological problems associated with global warming, there is a critical requirement for searching for an alternative energy storage technology for a better and sustainable future. Electrochemical energy storage technology could be a solution for a sustainable source of clean energy. Sodium-ion battery (SIB) technology having a complementary energy storage mechanism to the lithium-ion battery (LIB) has been attracting significant attention from the scientific community due to its abundant resources, low cost, and high energy densities. Layered transition metal oxide (TMO) based materials for SIBs could be a potential candidate for SIBs among all other cathode materials. In this paper, we discussed the latest improvement in the various structures of the layered oxide materials for SIBs. Moreover, their synthesis, overall electrochemical performance, and several challenges associated with SIBs are comprehensively discussed with a stance on future possibilities. Many articles discussed the improvement of cathode materials for SIBs, and most of them have pondered the use of Na x MO2 (a class of TMOs) as a possible positive electrode material for SIBs. The different phases of layered TMOs (Na x MO2; TM = Co, Mn, Ti, Ni, Fe, Cr, Al, V, and a combination of multiple elements) show good cycling capacity, structural stability, and Na+ ion conductivity, which make them promising cathode material for SIBs. This review discusses and summarizes the electrochemical redox reaction, structural transformations, significant challenges, and future prospects to improve for Na x MO2. Moreover, this review highlights the recent advancement of several layered TMO cathode materials for SIBs. It is expected that this review will encourage further development of layered TMOs for SIBs.
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Affiliation(s)
- Archana Kanwade
- Department of Metallurgy Engineering and Materials Science, Indian Institute of Technology Indore 453552 India
| | - Sheetal Gupta
- Department of Metallurgy Engineering and Materials Science, Indian Institute of Technology Indore 453552 India
| | - Akash Kankane
- Department of Metallurgy Engineering and Materials Science, Indian Institute of Technology Indore 453552 India
| | - Manish Kumar Tiwari
- Department of Metallurgy Engineering and Materials Science, Indian Institute of Technology Indore 453552 India
| | - Abhishek Srivastava
- Department of Metallurgy Engineering and Materials Science, Indian Institute of Technology Indore 453552 India
| | | | - Subhash Chand Yadav
- Department of Metallurgy Engineering and Materials Science, Indian Institute of Technology Indore 453552 India
| | - Parasharam M Shirage
- Department of Metallurgy Engineering and Materials Science, Indian Institute of Technology Indore 453552 India
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Sun F, Li Z, Gao S, He Y, Luo J, Zhao X, Yang D, Gao T, Yang H, Cao PF. Self-Healable, Highly Stretchable, Ionic Conducting Polymers as Efficient Protecting Layers for Stable Lithium-Metal Electrodes. ACS APPLIED MATERIALS & INTERFACES 2022; 14:26014-26023. [PMID: 35608943 DOI: 10.1021/acsami.2c04166] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Although numerous studies on polymeric protective films to stabilize lithium (Li)-metal electrodes have been reported, the construction of self-healing polymers that enables the long-term operation of Li-metal batteries (LMBs) at relatively low temperatures has rarely been demonstrated. Herein, a highly stretchable, autonomous self-healable, and ionic-conducting polymer network (SHIPN) is synthesized as an efficient protective film for LMBs. The network backbone, synthesized from copolymerization of poly(ethylene glycol)-mono-methacrylate (PEGMMA) and 2-[[(butylamino)carbonyl]oxy]ethyl acrylate (BCOE), is chemically cross-linked via diisocyanate. With SHIPN-modified electrodes, enhanced electrochemical performance can be achieved in Li/Cu, Li/Li, and Li/LiFePO4 (Li/LFP) cells. The SHIPN@Li/LFP cell delivers a capacity retention of 85.6% after 500 cycles at 5 °C, resulting from the low-temperature self-healability of SHIPN. In full cells with a high-mass-loading LFP cathode (∼17 mg cm-2), the capacity retention is at least 300% higher than that with a bare Li electrode. Further physical characterizations of electrodes confirm the effect of SHIPN in enhancing the interfacial stability and suppressing Li dendrite growth. Our results will provide insights into rationally designing soft and hybrid materials toward stable LMBs at different temperatures.
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Affiliation(s)
- Feiyuan Sun
- Institute of New Energy Material Chemistry, School of Materials Science and Engineering, Nankai University, Tianjin 300350, China
| | - Zhenxi Li
- Institute of New Energy Material Chemistry, School of Materials Science and Engineering, Nankai University, Tianjin 300350, China
| | - Shilun Gao
- Institute of New Energy Material Chemistry, School of Materials Science and Engineering, Nankai University, Tianjin 300350, China
| | - Yayue He
- Institute of New Energy Material Chemistry, School of Materials Science and Engineering, Nankai University, Tianjin 300350, China
| | - Jiancheng Luo
- Chemical Sciences Division, Oak Ridge National Laboratory, Oak Ridge, Tennessee 37830, United States
| | - Xiao Zhao
- Chemical Sciences Division, Oak Ridge National Laboratory, Oak Ridge, Tennessee 37830, United States
| | - Dandan Yang
- Experimental Teaching Center of Materials Science, School of Materials Science and Engineering, Nankai University, Tianjin 300350, China
| | - Tao Gao
- Department of Chemical Engineering, University of Utah, Salt Lake City, Utah 84112, United States
| | - Huabin Yang
- Institute of New Energy Material Chemistry, School of Materials Science and Engineering, Nankai University, Tianjin 300350, China
- Tianjin Key Laboratory of Metal and Molecular Based Material Chemistry, School of Materials Science and Engineering, Nankai University, Tianjin 300350, China
| | - Peng-Fei Cao
- Chemical Sciences Division, Oak Ridge National Laboratory, Oak Ridge, Tennessee 37830, United States
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Yong S, Hillier N, Beeby S. Fabrication of a Flexible Aqueous Textile Zinc-Ion Battery in a Single Fabric Layer. FRONTIERS IN ELECTRONICS 2022. [DOI: 10.3389/felec.2022.866527] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Zinc-ion batteries (ZIB), with various manganese oxide-based cathodes, provide a promising solution for textile-based flexible energy storage devices. This paper demonstrates, for the first time, a flexible aqueous ZIB with manganese-based cathode fabricated in a single woven polyester cotton textile. The textile was functionalized with a flexible polymer membrane layer that fills the gaps between textile yarns, enabling fine control over the depth of penetration of the spray deposited manganese oxide cathode and zinc anode. This leaves an uncoated region in the textile-polymer network that acts as the battery’s separator. The textile battery cell was vacuum impregnated with the aqueous electrolyte, achieving good wettability of the electrodes with the electrolyte. Additionally, the choice of cathodic material and its influence over the electrochemical performance of the zinc ion battery was investigated with commercially available Manganese (IV) oxide and Manganese (II, III) oxide. The textile ZIB with Manganese (II, III) oxide cathode (10.9 mAh g−1 or 35.6 µA h.cm−2) achieved better performance than the textile ZIB with Manganese (IV) oxide (8.95 mAh g−1 or 24.2 µAh cm−2) at 1 mA cm−2 (0.3 A g−1). This work presents a novel all-textile battery architecture and demonstrates the capability of using manganese oxides as cathodes for a full textile-based flexible aqueous ZIB.
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12
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Ji D, Park JM, Oh MS, Nguyen TL, Shin H, Kim JS, Kim D, Park HS, Kim J. Superstrong, superstiff, and conductive alginate hydrogels. Nat Commun 2022; 13:3019. [PMID: 35641519 PMCID: PMC9156673 DOI: 10.1038/s41467-022-30691-z] [Citation(s) in RCA: 67] [Impact Index Per Article: 33.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2021] [Accepted: 05/12/2022] [Indexed: 01/25/2023] Open
Abstract
For the practical use of synthetic hydrogels as artificial biological tissues, flexible electronics, and conductive membranes, achieving requirements for specific mechanical properties is one of the most prominent issues. Here, we demonstrate superstrong, superstiff, and conductive alginate hydrogels with densely interconnecting networks implemented via simple reconstructing processes, consisting of anisotropic densification of pre-gel and a subsequent ionic crosslinking with rehydration. The reconstructed hydrogel exhibits broad ranges of exceptional tensile strengths (8–57 MPa) and elastic moduli (94–1,290 MPa) depending on crosslinking ions. This hydrogel can hold sufficient cations (e.g., Li+) within its gel matrix without compromising the mechanical performance and exhibits high ionic conductivity enough to be utilized as a gel electrolyte membrane. Further, this strategy can be applied to prepare mechanically outstanding, ionic-/electrical-conductive hydrogels by incorporating conducting polymer within the hydrogel matrix. Such hydrogels are easily laminated with strong interfacial adhesion by superficial de- and re-crosslinking processes, and the resulting layered hydrogel can act as a stable gel electrolyte membrane for an aqueous supercapacitor. Specific mechanical properties are one of the most important issues for application of synthetic hydrogels as biological tissue, flexible electronics or in conductive membranes. Here, the authors demonstrate that a reconstruction process consisting of anisotropic densification of pre-gel and subsequent ionic crosslinking and rehydration leads to strong, stiff, and conductive alginate hydrogels with densely interconnecting networks.
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Affiliation(s)
- Donghwan Ji
- School of Chemical Engineering, Sungkyunkwan University (SKKU), Suwon, 16419, Republic of Korea
| | - Jae Min Park
- School of Chemical Engineering, Sungkyunkwan University (SKKU), Suwon, 16419, Republic of Korea
| | - Myeong Seon Oh
- School of Chemical Engineering, Sungkyunkwan University (SKKU), Suwon, 16419, Republic of Korea
| | - Thanh Loc Nguyen
- School of Chemical Engineering, Sungkyunkwan University (SKKU), Suwon, 16419, Republic of Korea
| | - Hyunsu Shin
- School of Chemical Engineering, Sungkyunkwan University (SKKU), Suwon, 16419, Republic of Korea
| | - Jae Seong Kim
- School of Chemical Engineering, Sungkyunkwan University (SKKU), Suwon, 16419, Republic of Korea
| | - Dukjoon Kim
- School of Chemical Engineering, Sungkyunkwan University (SKKU), Suwon, 16419, Republic of Korea
| | - Ho Seok Park
- School of Chemical Engineering, Sungkyunkwan University (SKKU), Suwon, 16419, Republic of Korea
| | - Jaeyun Kim
- School of Chemical Engineering, Sungkyunkwan University (SKKU), Suwon, 16419, Republic of Korea. .,Department of Health Sciences and Technology, Samsung Advanced Institute for Health Sciences & Technology (SAIHST), Sungkyunkwan University (SKKU), Suwon, 16419, Republic of Korea. .,Biomedical Institute for Convergence at SKKU (BICS), Sungkyunkwan University (SKKU), Suwon, 16419, Republic of Korea. .,Institute of Quantum Biophysics (IQB), Sungkyunkwan University (SKKU), Suwon, 16419, Republic of Korea.
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13
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Wang W, Yang Y, Luo H, Zhang J. Design of advanced separators for high performance Li-S batteries using natural minerals with 1D to 3D microstructures. J Colloid Interface Sci 2022; 614:593-602. [PMID: 35121518 DOI: 10.1016/j.jcis.2022.01.148] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2021] [Revised: 01/18/2022] [Accepted: 01/23/2022] [Indexed: 12/31/2022]
Abstract
Lithium-sulfur (Li-S) batteries are of great interest due to their high energy density. However, polysulfides shuttle and low S loading severely impede their practical applications. Here, we report design of advanced separators for Li-S batteries using natural minerals with 1D to 3D microstructures. Four natural minerals with different microstructures including 1D halloysite nanotubes, 1D attapulgite nanorods, 2D Li+-montmorillonite (Mmt) nanosheets and 3D porous diatomite were used together with carbon black (CB) for preparation of the mineral/CB-Celgard separators. The Si-OH groups of the minerals act as Lewis acid sites, which could effectively absorb polysulfides by forming LiO and OS bonds with polysulfides. Among all the separators, the Mmt/CB-Celgard separator endowed the Li-S battery with the highest upper plateau discharge capacity (369 mA h g-1), initial reversible capacity (1496 mA h g-1 at 0.1 C), rate performance and cycling stability (666 mA h g-1 after 500 cycles at 1.0 C with 0.046% capacity decay per cycle). The Mmt/CB-Celgard separator also enabled stable cycling of the Li-S battery with high S loading (8.3 mg cm-2) cathode. This work will provide inspiration for future development of advanced separators for high-energy-density Li-S batteries.
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Affiliation(s)
- Wankai Wang
- Center of Eco-Material and Green Chemistry and Key Laboratory of Clay Mineral Applied Research of Gansu Province, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000, PR China; Department of Chemical Engineering, College of Petrochemical Engineering, Lanzhou University of Technology, Lanzhou 730050, PR China
| | - Yanfei Yang
- Center of Eco-Material and Green Chemistry and Key Laboratory of Clay Mineral Applied Research of Gansu Province, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000, PR China
| | - Heming Luo
- Department of Chemical Engineering, College of Petrochemical Engineering, Lanzhou University of Technology, Lanzhou 730050, PR China.
| | - Junping Zhang
- Center of Eco-Material and Green Chemistry and Key Laboratory of Clay Mineral Applied Research of Gansu Province, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000, PR China.
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14
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Synthesis, structural characterization, therotical and electrical properties of novel sulpho-coumarin based methacrylate polymer. JOURNAL OF POLYMER RESEARCH 2022. [DOI: 10.1007/s10965-022-03034-1] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
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15
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Hao H, Hutter T, Boyce BL, Watt J, Liu P, Mitlin D. Review of Multifunctional Separators: Stabilizing the Cathode and the Anode for Alkali (Li, Na, and K) Metal-Sulfur and Selenium Batteries. Chem Rev 2022; 122:8053-8125. [PMID: 35349271 DOI: 10.1021/acs.chemrev.1c00838] [Citation(s) in RCA: 56] [Impact Index Per Article: 28.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Alkali metal batteries based on lithium, sodium, and potassium anodes and sulfur-based cathodes are regarded as key for next-generation energy storage due to their high theoretical energy and potential cost effectiveness. However, metal-sulfur batteries remain challenged by several factors, including polysulfides' (PSs) dissolution, sluggish sulfur redox kinetics at the cathode, and metallic dendrite growth at the anode. Functional separators and interlayers are an innovative approach to remedying these drawbacks. Here we critically review the state-of-the-art in separators/interlayers for cathode and anode protection, covering the Li-S and the emerging Na-S and K-S systems. The approaches for improving electrochemical performance may be categorized as one or a combination of the following: Immobilization of polysulfides (cathode); catalyzing sulfur redox kinetics (cathode); introduction of protective layers to serve as an artificial solid electrolyte interphase (SEI) (anode); and combined improvement in electrolyte wetting and homogenization of ion flux (anode and cathode). It is demonstrated that while the advances in Li-S are relatively mature, less progress has been made with Na-S and K-S due to the more challenging redox chemistry at the cathode and increased electrochemical instability at the anode. Throughout these sections there is a complementary discussion of functional separators for emerging alkali metal systems based on metal-selenium and the metal-selenium sulfide. The focus then shifts to interlayers and artificial SEI/cathode electrolyte interphase (CEI) layers employed to stabilize solid-state electrolytes (SSEs) in metal-sulfur solid-state batteries (SSBs). The discussion of SSEs focuses on inorganic electrolytes based on Li- and Na-based oxides and sulfides but also touches on some hybrid systems with an inorganic matrix and a minority polymer phase. The review then moves to practical considerations for functional separators, including scaleup issues and Li-S technoeconomics. The review concludes with an outlook section, where we discuss emerging mechanics, spectroscopy, and advanced electron microscopy (e.g. cryo-transmission electron microscopy (cryo-TEM) and cryo-focused ion beam (cryo-FIB))-based approaches for analysis of functional separator structure-battery electrochemical performance interrelations. Throughout the review we identify the outstanding open scientific and technological questions while providing recommendations for future research topics.
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Affiliation(s)
- Hongchang Hao
- Materials Science and Engineering Program & Texas Materials Institute, The University of Texas at Austin, Austin, Texas 78712, United States
| | - Tanya Hutter
- Materials Science and Engineering Program & Texas Materials Institute, The University of Texas at Austin, Austin, Texas 78712, United States
| | - Brad L Boyce
- Center for Integrated Nanotechnologies, Sandia National Laboratories, Albuquerque, New Mexico 87110, United States
| | - John Watt
- Center for Integrated Nanotechnologies, Los Alamos National Laboratory, Los Alamos, New Mexico 87545, United States
| | - Pengcheng Liu
- Materials Science and Engineering Program & Texas Materials Institute, The University of Texas at Austin, Austin, Texas 78712, United States
| | - David Mitlin
- Materials Science and Engineering Program & Texas Materials Institute, The University of Texas at Austin, Austin, Texas 78712, United States
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16
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Shomura R, Tamate R, Matsuda S. Lithium-Ion-Conducting Ceramics-Coated Separator for Stable Operation of Lithium Metal-Based Rechargeable Batteries. MATERIALS (BASEL, SWITZERLAND) 2022; 15:322. [PMID: 35009469 PMCID: PMC8745813 DOI: 10.3390/ma15010322] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/25/2021] [Revised: 12/22/2021] [Accepted: 12/30/2021] [Indexed: 02/04/2023]
Abstract
Lithium metal anode is regarded as the ultimate negative electrode material due to its high theoretical capacity and low electrochemical potential. However, the significantly high reactivity of Li metal limits the practical application of Li metal batteries. To improve the stability of the interface between Li metal and an electrolyte, a facile and scalable blade coating method was used to cover the commercial polyethylene membrane separator with an inorganic/organic composite solid electrolyte layer containing lithium-ion-conducting ceramic fillers. The coated separator suppressed the interfacial resistance between the Li metal and the electrolyte and consequently prolonged the cycling stability of deposition/dissolution processes in Li/Li symmetric cells. Furthermore, the effect of the coating layer on the discharge/charge cycling performance of lithium-oxygen batteries was investigated.
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Affiliation(s)
- Ryo Shomura
- Department of Creative Engineering, National Institute of Technology, Tsuruoka College, 104 Sawada, Inooka, Tsuruoka 997-8511, Japan;
- Center for Green Research on Energy and Environmental Materials, National Institute for Material Science, 1-1 Namiki, Tsukuba 305-0044, Japan
| | - Ryota Tamate
- Center for Green Research on Energy and Environmental Materials, National Institute for Material Science, 1-1 Namiki, Tsukuba 305-0044, Japan
- NIMS-SoftBank Advanced Technologies Development Center, National Institute for Material Science, 1-1 Namiki, Tsukuba 305-0044, Japan
| | - Shoichi Matsuda
- Center for Green Research on Energy and Environmental Materials, National Institute for Material Science, 1-1 Namiki, Tsukuba 305-0044, Japan
- NIMS-SoftBank Advanced Technologies Development Center, National Institute for Material Science, 1-1 Namiki, Tsukuba 305-0044, Japan
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17
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Lei X, Pei Z, Liu B, Zhu Z, Mosallanezhad A, Qian Y, Wang G. Polydimethylsiloxane functionalized separator for a stable and fast lithium metal anode. CrystEngComm 2022. [DOI: 10.1039/d2ce00595f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Lithium dendrite growth and sluggish Li+ desolvation can be alleviated using a polydimethylsiloxane functionalized separator, resulting in a fast and stable lithium metal anode.
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Affiliation(s)
- Xin Lei
- Hefei National Laboratory for Physical Science at the Microscale, Department of Chemistry, University of Science and Technology of China, Hefei, Anhui 230026, P. R. China
| | - Zhibin Pei
- Hefei National Laboratory for Physical Science at the Microscale, Department of Chemistry, University of Science and Technology of China, Hefei, Anhui 230026, P. R. China
| | - Bo Liu
- Hefei National Laboratory for Physical Science at the Microscale, Department of Chemistry, University of Science and Technology of China, Hefei, Anhui 230026, P. R. China
| | - Zixuan Zhu
- Hefei National Laboratory for Physical Science at the Microscale, Department of Chemistry, University of Science and Technology of China, Hefei, Anhui 230026, P. R. China
| | - Amirabbas Mosallanezhad
- Hefei National Laboratory for Physical Science at the Microscale, Department of Chemistry, University of Science and Technology of China, Hefei, Anhui 230026, P. R. China
| | - Yitai Qian
- Hefei National Laboratory for Physical Science at the Microscale, Department of Chemistry, University of Science and Technology of China, Hefei, Anhui 230026, P. R. China
| | - Gongming Wang
- Hefei National Laboratory for Physical Science at the Microscale, Department of Chemistry, University of Science and Technology of China, Hefei, Anhui 230026, P. R. China
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18
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Liu R, Yuan B, Zhong S, Liu J, Dong L, Ji Y, Dong Y, Yang C, He W. Poly(vinylidene fluoride) separators for next‐generation lithium based batteries. NANO SELECT 2021. [DOI: 10.1002/nano.202100118] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023] Open
Affiliation(s)
- Rong Liu
- MIIT Key Laboratory of Critical Materials Technology for New Energy Conversion and Storage School of Chemistry and Chemical Engineering Harbin Institute of Technology Harbin China
| | - Botao Yuan
- National Key Laboratory of Science and Technology on Advanced Composites in Special Environments and Center for Composite Materials and Structures Harbin Institute of Technology Harbin China
| | - Shijie Zhong
- National Key Laboratory of Science and Technology on Advanced Composites in Special Environments and Center for Composite Materials and Structures Harbin Institute of Technology Harbin China
| | - Jipeng Liu
- MIIT Key Laboratory of Critical Materials Technology for New Energy Conversion and Storage School of Chemistry and Chemical Engineering Harbin Institute of Technology Harbin China
| | - Liwei Dong
- MIIT Key Laboratory of Critical Materials Technology for New Energy Conversion and Storage School of Chemistry and Chemical Engineering Harbin Institute of Technology Harbin China
| | - Yuanpeng Ji
- MIIT Key Laboratory of Critical Materials Technology for New Energy Conversion and Storage School of Chemistry and Chemical Engineering Harbin Institute of Technology Harbin China
| | - Yunfa Dong
- National Key Laboratory of Science and Technology on Advanced Composites in Special Environments and Center for Composite Materials and Structures Harbin Institute of Technology Harbin China
| | - Chunhui Yang
- MIIT Key Laboratory of Critical Materials Technology for New Energy Conversion and Storage School of Chemistry and Chemical Engineering Harbin Institute of Technology Harbin China
- State Key Laboratory of Urban Water Resource and Environment Harbin Institute of Technology Harbin China
| | - Weidong He
- National Key Laboratory of Science and Technology on Advanced Composites in Special Environments and Center for Composite Materials and Structures Harbin Institute of Technology Harbin China
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19
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Chen Z, Miao L, Fu Y, Shi L, Chen J, Liu X, Zhang L. Engineering Functional Interface with Built-in Catalytic and Self-Oxidation Sites for Highly Stable Lithium-Sulfur Batteries. Chemistry 2021; 27:14444-14450. [PMID: 34347317 DOI: 10.1002/chem.202101625] [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: 05/07/2021] [Indexed: 11/11/2022]
Abstract
Lithium-sulfur (Li-S) batteries have attracted great attention due to their high theoretical energy density. The rapid redox conversion of lithium polysulfides (LiPS) is effective for solving the serious shuttle effect and improving the utilization of active materials. The functional design of the separator interface with fast charge transfer and active catalytic sites is desirable for accelerating the conversion of intermediates. Herein, a graphene-wrapped MnCO3 nanowire (G@MC) was prepared and utilized to engineer the separator interface. G@MC with active Mn2+ sites can effectively anchor the LiPS by forming the Mn-S chemical bond according to our theoretical calculation results. In addition, the catalytic Mn2+ sites and conductive graphene layer of G@MC could accelerate the reversible conversion of LiPS via the spontaneous "self-redox" reaction and the rapid electron transfer in electrochemical process. As a result, the G@MC-based battery exhibits only 0.038 % capacity decay (per cycle) after 1000 cycles at 2.0 C. This work affords new insights for designing the integrated functional interface for stable Li-S batteries.
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Affiliation(s)
- Zihan Chen
- The Key Laboratory of Material Processing and Mold of Ministry of Education, Henan Key Laboratory of Advanced Nylon Materials and Application, School of Materials Science and Engineering, Zhengzhou University, Zhengzhou, 450001, P. R. China
| | - Licheng Miao
- College of Physics and Optoelectronic Engineering, Shenzhen University, Shenzhen, 518060, P. R. China
| | - Yancheng Fu
- The Key Laboratory of Material Processing and Mold of Ministry of Education, Henan Key Laboratory of Advanced Nylon Materials and Application, School of Materials Science and Engineering, Zhengzhou University, Zhengzhou, 450001, P. R. China
| | - Leyuan Shi
- The Key Laboratory of Material Processing and Mold of Ministry of Education, Henan Key Laboratory of Advanced Nylon Materials and Application, School of Materials Science and Engineering, Zhengzhou University, Zhengzhou, 450001, P. R. China
| | - Jinzhou Chen
- The Key Laboratory of Material Processing and Mold of Ministry of Education, Henan Key Laboratory of Advanced Nylon Materials and Application, School of Materials Science and Engineering, Zhengzhou University, Zhengzhou, 450001, P. R. China
| | - Xuying Liu
- The Key Laboratory of Material Processing and Mold of Ministry of Education, Henan Key Laboratory of Advanced Nylon Materials and Application, School of Materials Science and Engineering, Zhengzhou University, Zhengzhou, 450001, P. R. China
| | - Linlin Zhang
- The Key Laboratory of Material Processing and Mold of Ministry of Education, Henan Key Laboratory of Advanced Nylon Materials and Application, School of Materials Science and Engineering, Zhengzhou University, Zhengzhou, 450001, P. R. China.,Key Laboratory of Advanced Energy Materials Chemistry (Ministry of Education), College of Chemistry, Nankai University, Tianjin, 300071, P. R. China
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20
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Wei C, Tan L, Zhang Y, Zhang K, Xi B, Xiong S, Feng J, Qian Y. Covalent Organic Frameworks and Their Derivatives for Better Metal Anodes in Rechargeable Batteries. ACS NANO 2021; 15:12741-12767. [PMID: 34351748 DOI: 10.1021/acsnano.1c05497] [Citation(s) in RCA: 31] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Metal anodes based on a plating/stripping electrochemistry such as metallic Li, Na, K, Zn, Ca, Mg, Fe, and Al are recognized as promising anode materials for constructing next-generation high-energy-density rechargeable metal batteries owing to their low electrochemical potential, high theoretical specific capacity, superior electronic conductivity, etc. However, inherent issues such as high chemical reactivity, severe growth of dendrites, huge volume changes, and unstable interface largely impede their practical application. Covalent organic frameworks (COFs) and their derivatives as emerging multifunctional materials have already well addressed the inherent issues of metal anodes in the past several years due to their abundant metallophilic functional groups, special inner channels, and controllable structures. COFs and their derivatives can solve the issues of metal anodes by interfacial modification, homogenizing ion flux, acting as nucleation seeds, reducing the corrosion of metal anodes, and so on. Nevertheless, related reviews are still absent. Here we present a detailed review of multifunctional COFs and their derivatives in metal anodes for rechargeable metal batteries. Meanwhile, some outlooks and opinions are put forward. We believe the review can catch the eyes of relevant researchers and supply some inspiration for future research.
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Affiliation(s)
- Chuanliang Wei
- Research Center for Carbon Nanomaterials, Key Laboratory for Liquid-Solid Structural Evolution & Processing of Materials (Ministry of Education), School of Materials Science and Engineering, Shandong University, Jinan 250061, P.R. China
| | - Liwen Tan
- Research Center for Carbon Nanomaterials, Key Laboratory for Liquid-Solid Structural Evolution & Processing of Materials (Ministry of Education), School of Materials Science and Engineering, Shandong University, Jinan 250061, P.R. China
| | - Yuchan Zhang
- Research Center for Carbon Nanomaterials, Key Laboratory for Liquid-Solid Structural Evolution & Processing of Materials (Ministry of Education), School of Materials Science and Engineering, Shandong University, Jinan 250061, P.R. China
| | - Kai Zhang
- Research Center for Carbon Nanomaterials, Key Laboratory for Liquid-Solid Structural Evolution & Processing of Materials (Ministry of Education), School of Materials Science and Engineering, Shandong University, Jinan 250061, P.R. China
| | - Baojuan Xi
- School of Chemistry and Chemical Engineering, Shandong University, Jinan 250100, P.R. China
| | - Shenglin Xiong
- School of Chemistry and Chemical Engineering, Shandong University, Jinan 250100, P.R. China
| | - Jinkui Feng
- Research Center for Carbon Nanomaterials, Key Laboratory for Liquid-Solid Structural Evolution & Processing of Materials (Ministry of Education), School of Materials Science and Engineering, Shandong University, Jinan 250061, P.R. China
| | - Yitai Qian
- Hefei National Laboratory for Physical Science at Microscale, Department of Chemistry, University of Science and Technology of China, Hefei 230026, P.R. China
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21
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Guo J, Zhang Y, Fu S, Yan S, Lang Y, Wang L, Liang G. Sepiolite-Assisted Separator Modification Process for High-Voltage LiNi 0.5Mn 1.5O 4 Batteries and the Influence on Electrodes. Ind Eng Chem Res 2021. [DOI: 10.1021/acs.iecr.1c01685] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Jianling Guo
- School of Materials Science and Engineering, Hebei University of Technology, Tianjin 300130, China
| | - Yuan Zhang
- School of Materials Science and Engineering, Hebei University of Technology, Tianjin 300130, China
| | - Shaoxiong Fu
- School of Materials Science and Engineering, Hebei University of Technology, Tianjin 300130, China
| | - Shuaipeng Yan
- School of Materials Science and Engineering, Hebei University of Technology, Tianjin 300130, China
| | - Yaqiang Lang
- School of Materials Science and Engineering, Hebei University of Technology, Tianjin 300130, China
| | - Li Wang
- School of Materials Science and Engineering, Hebei University of Technology, Tianjin 300130, China
- Key Laboratory of Special Functional Materials for Ecological Environment and Information (Hebei University of Technology), Ministry of Education, Tianjin 300130, China
- Key Laboratory for New Type of Functional Materials in Hebei Province, Hebei University of Technology, Tianjin 300130, China
| | - Guangchuan Liang
- School of Materials Science and Engineering, Hebei University of Technology, Tianjin 300130, China
- Key Laboratory of Special Functional Materials for Ecological Environment and Information (Hebei University of Technology), Ministry of Education, Tianjin 300130, China
- Key Laboratory for New Type of Functional Materials in Hebei Province, Hebei University of Technology, Tianjin 300130, China
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22
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Chen Y, Chen G, Niu C, Shang W, Yu R, Fang C, Ouyang P, Du J. Ether-containing polycarbonate-based solid polymer electrolytes for Dendrite-Free Lithium metal batteries. POLYMER 2021. [DOI: 10.1016/j.polymer.2021.123695] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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23
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Su M, Huang G, Wang S, Wang Y, Wang H. High safety separators for rechargeable lithium batteries. Sci China Chem 2021. [DOI: 10.1007/s11426-021-1011-9] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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Hu Y, Ren Y, Shi R, Yu J, Sun Z, Guo S, Guo J, Yan F. Robust and High-Temperature-Resistant Nanofiber Membrane Separators for Li-Metal, Li-Sulfur, and Aqueous Li-Ion Batteries. ACS APPLIED MATERIALS & INTERFACES 2021; 13:16289-16299. [PMID: 33784815 DOI: 10.1021/acsami.1c00207] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Mechanically strong separators with good electrolyte wettability and low-shrinkage properties are desirable for highly efficient and safe lithium batteries. In this study, multifunctional nanofiber membranes are fabricated by electrospinning a homogeneous solution containing amphiphilic poly(ethylene glycol)diacrylate-grafted siloxane and polyacrylonitrile. After the chemical cross-linking of siloxane, the prepared nanofiber membranes are found to exhibit good mechanical properties, high thermostability, and superior electrolyte-philicity with aqueous and nonaqueous electrolytes. Li-metal cells with the fabricated membrane separator exhibit high cycling stability (Coulombic efficiency of 99.8% after 1000 cycles). Moreover, improved cycling stability of Li-sulfur batteries can be achieved using these membrane separators. These membrane separators can be further used in flexible aqueous lithium-ion batteries and exhibit steady electrochemistry performance. This work opens up a potential route for designing multifunctional universal separators for rechargeable batteries.
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Affiliation(s)
- Yin Hu
- Department of Polymer Science and Engineering, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, No. 199 Renai Road, Suzhou 215123, China
| | - Yongyuan Ren
- Department of Polymer Science and Engineering, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, No. 199 Renai Road, Suzhou 215123, China
| | - Rongwei Shi
- School of Material and Chemical Engineering, Tongren University, Tongren 554300, Guizhou, China
| | - Jiangtao Yu
- Department of Polymer Science and Engineering, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, No. 199 Renai Road, Suzhou 215123, China
| | - Zhe Sun
- Department of Polymer Science and Engineering, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, No. 199 Renai Road, Suzhou 215123, China
| | - Siyu Guo
- Department of Polymer Science and Engineering, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, No. 199 Renai Road, Suzhou 215123, China
| | - Jiangna Guo
- Department of Polymer Science and Engineering, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, No. 199 Renai Road, Suzhou 215123, China
| | - Feng Yan
- Department of Polymer Science and Engineering, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, No. 199 Renai Road, Suzhou 215123, China
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Wei F, Cui X, Wang Z, Dong C, Li J, Han X. Recoverable peroxidase-like Fe 3O 4@MoS 2-Ag nanozyme with enhanced antibacterial ability. CHEMICAL ENGINEERING JOURNAL (LAUSANNE, SWITZERLAND : 1996) 2021; 408:127240. [PMID: 33052192 DOI: 10.1016/j.cej.2020.127241] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/03/2020] [Revised: 09/21/2020] [Accepted: 09/30/2020] [Indexed: 05/24/2023]
Abstract
Antibacterial agents with enzyme-like properties and bacteria-binding ability have provided an alternative method to efficiently disinfect drug-resistance microorganism. Herein, a Fe3O4@MoS2-Ag nanozyme with defect-rich rough surface was constructed by a simple hydrothermal method and in-situ photodeposition of Ag nanoparticles. The nanozyme exhibited good antibacterial performance against E. coli (~69.4%) by the generated ROS and released Ag+, while the nanozyme could further achieve an excellent synergistic disinfection (~100%) by combining with the near-infrared photothermal property of Fe3O4@MoS2-Ag. The antibacterial mechanism study showed that the antibacterial process was determined by the collaborative work of peroxidase-like activity, photothermal effect and leakage of Ag+. The defect-rich rough surface of MoS2 layers facilitated the capture of bacteria, which enhanced the accurate and rapid attack of •OH and Ag+ to the membrane of E. coli with the assistance of local hyperthermia. This method showed broad-spectrum antibacterial performance against Gram-negative bacteria, Gram-positive bacteria, drug-resistant bacteria and fungal bacteria. Meanwhile, the magnetism of Fe3O4 was used to recycle the nanozyme. This work showed great potential of engineered nanozymes for efficient disinfection treatment.
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Affiliation(s)
- Feng Wei
- State Key Laboratory of Urban Water Resource and Environment, School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin 150001, China
| | - Xinyu Cui
- State Key Laboratory of Urban Water Resource and Environment, School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin 150001, China
| | - Zhao Wang
- State Key Laboratory of Urban Water Resource and Environment, School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin 150001, China
| | - Changchang Dong
- State Key Laboratory of Urban Water Resource and Environment, School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin 150001, China
| | - Jiadong Li
- State Key Laboratory of Urban Water Resource and Environment, School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin 150001, China
| | - Xiaojun Han
- State Key Laboratory of Urban Water Resource and Environment, School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin 150001, China
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Controllable magnetic field aligned sepiolite nanowires for high ionic conductivity and high safety PEO solid polymer electrolytes. J Colloid Interface Sci 2021; 585:596-604. [DOI: 10.1016/j.jcis.2020.10.039] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2020] [Revised: 10/08/2020] [Accepted: 10/11/2020] [Indexed: 11/20/2022]
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27
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Jeong TY, Lee YD, Ban Y, Lee J, Lee H, Kwon YK. Polyimide composite separator containing surface-modified hollow mesoporous silica nanospheres for lithium-ion battery application. POLYMER 2021. [DOI: 10.1016/j.polymer.2020.123288] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
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28
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Zhu C, Zhang J, Zeng X, Xu J, Wang L, Li Z. Semi‐Interpenetrating Polymer Electrolyte as a Coating Layer Constructed on Polyphenylene Sulfide Nonwoven to Afford Superior Stability and Performance for Lithium‐Ion Batteries. ChemElectroChem 2020. [DOI: 10.1002/celc.202001232] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- Changqing Zhu
- College of Materials Science and Engineering Key Laboratory of Textile Fiber and Products (Ministry of Education) Wuhan Textile University Wuhan 430200 China
| | - Jingxi Zhang
- College of Materials Science and Engineering Key Laboratory of Textile Fiber and Products (Ministry of Education) Wuhan Textile University Wuhan 430200 China
| | - Xinyu Zeng
- College of Materials Science and Engineering Key Laboratory of Textile Fiber and Products (Ministry of Education) Wuhan Textile University Wuhan 430200 China
| | - Jing Xu
- College of Materials Science and Engineering Key Laboratory of Textile Fiber and Products (Ministry of Education) Wuhan Textile University Wuhan 430200 China
| | - Luoxin Wang
- College of Materials Science and Engineering Key Laboratory of Textile Fiber and Products (Ministry of Education) Wuhan Textile University Wuhan 430200 China
| | - Zi‐Chen Li
- Beijing National Laboratory for Molecular Sciences (BNLMS) Key Laboratory of Polymer Chemistry & Physics of Ministry of Education Department of Polymer Science & Engineering College of Chemistry and Molecular Engineering Peking University Beijing 100871 China
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29
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Zhu C, Zhang J, Xu J, Yin X, Wu J, Chen S, Zhu Z, Wang L, Wang H. Facile fabrication of cellulose/polyphenylene sulfide composite separator for lithium-ion batteries. Carbohydr Polym 2020; 248:116753. [DOI: 10.1016/j.carbpol.2020.116753] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2020] [Revised: 07/04/2020] [Accepted: 07/09/2020] [Indexed: 01/05/2023]
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A Review of Functional Separators for Lithium Metal Battery Applications. MATERIALS 2020; 13:ma13204625. [PMID: 33081328 PMCID: PMC7603034 DOI: 10.3390/ma13204625] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/31/2020] [Revised: 10/07/2020] [Accepted: 10/12/2020] [Indexed: 12/18/2022]
Abstract
Lithium metal batteries are considered “rough diamonds” in electrochemical energy storage systems. Li-metal anodes have the versatile advantages of high theoretical capacity, low density, and low reaction potential, making them feasible candidates for next-generation battery applications. However, unsolved problems, such as dendritic growths, high reactivity of Li-metal, low Coulombic efficiency, and safety hazards, still exist and hamper the improvement of cell performance and reliability. The use of functional separators is one of the technologies that can contribute to solving these problems. Recently, functional separators have been actively studied and developed. In this paper, we summarize trends in the research on separators and predict future prospects.
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31
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Yue H, Zhu Q, Dong S, Zhou Y, Yang Y, Cheng L, Qian M, Liang L, Wei W, Wang H. Nanopile Interlocking Separator Coating toward Uniform Li Deposition of the Li Metal Anodes. ACS APPLIED MATERIALS & INTERFACES 2020; 12:43543-43552. [PMID: 32880437 DOI: 10.1021/acsami.0c08776] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Uncontrollable growth of lithium (Li) dendrite has severely hindered the development of Li metal anodes, while separator modification is regarded as a simple and effective way to mitigate the growth of Li dendrite. However, the "drop-dregs" phenomenon of coating layer desquamated from polyolefin separator due to their different Young's modulus would induce a nonuniform Li ionic flux, finally resulting in deteriorative electrochemical performance and even thermal runaway of the battery. Herein, we introduce a novel nanopile mechanical interlocking strategy to create delamination-free separator modification, which could stably generate a homogeneous Li ionic flux to guide long-term uniform Li deposition. Both experimental and simulation results demonstrate a strong bonding strength between the coating layer and membrane matrix based on this physical interlocking mechanism. Consequently, with a nearly dendrite-free Li deposition and a largely reduced interface impedance, 1000 h stable cycling of Li/Li half cells enrolled this modified separator is successfully achieved. Also, a significant improvement in Li/LiFePO4 full cells in long-term cycling stability to 500 cycles further indicates its promising practical potential. Moreover, this presented approach without any binding agents or surface activation procedures could be facilely scaled up, providing an applicable and durable separator modification solution toward stable Li metal anodes.
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Affiliation(s)
- Honglei Yue
- School of Chemistry, Beijing Advanced Innovation Center for Biomedical Engineering, Beihang University, Beijing 100191, China
| | - Qiaonan Zhu
- School of Chemistry, Beijing Advanced Innovation Center for Biomedical Engineering, Beihang University, Beijing 100191, China
| | - Shuai Dong
- School of Chemistry, Beijing Advanced Innovation Center for Biomedical Engineering, Beihang University, Beijing 100191, China
| | - Yan Zhou
- School of Chemistry, Beijing Advanced Innovation Center for Biomedical Engineering, Beihang University, Beijing 100191, China
| | - Yan Yang
- School of Chemistry, Beijing Advanced Innovation Center for Biomedical Engineering, Beihang University, Beijing 100191, China
| | - Liwei Cheng
- School of Chemistry, Beijing Advanced Innovation Center for Biomedical Engineering, Beihang University, Beijing 100191, China
| | - Mengmeng Qian
- School of Chemistry, Beijing Advanced Innovation Center for Biomedical Engineering, Beihang University, Beijing 100191, China
| | - Lei Liang
- School of Chemistry and Chemical Engineering, Henan Key Laboratory of Biomolecular Recognition and Sensing, Henan D&A Engineering Center of Advanced Battery Materials, Shangqiu Normal University, Shangqiu 476000, China
| | - Wei Wei
- School of Chemistry and Chemical Engineering, Henan Key Laboratory of Biomolecular Recognition and Sensing, Henan D&A Engineering Center of Advanced Battery Materials, Shangqiu Normal University, Shangqiu 476000, China
| | - Hua Wang
- School of Chemistry, Beijing Advanced Innovation Center for Biomedical Engineering, Beihang University, Beijing 100191, China
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32
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Sheng L, Wang L, Wang J, Xu H, He X. Accelerated lithium-ion conduction in covalent organic frameworks. Chem Commun (Camb) 2020; 56:10465-10468. [PMID: 32820773 DOI: 10.1039/d0cc04324a] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
We design a porous separator that consists of a covalent organic framework (COF), the ionic conductivity of which is 8 times higher than that of the most well-established separator of lithium-ion batteries. Moreover, the effective ionic conductivity is even higher than that of the corresponding pure liquid electrolyte.
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Affiliation(s)
- Li Sheng
- Institute of Nuclear and New Energy Technology, Tsinghua University, Beijing 100084, China.
| | - Li Wang
- Institute of Nuclear and New Energy Technology, Tsinghua University, Beijing 100084, China.
| | - Jianlong Wang
- Institute of Nuclear and New Energy Technology, Tsinghua University, Beijing 100084, China.
| | - Hong Xu
- Institute of Nuclear and New Energy Technology, Tsinghua University, Beijing 100084, China.
| | - Xiangming He
- Institute of Nuclear and New Energy Technology, Tsinghua University, Beijing 100084, China.
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33
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Shen Z, Zhang W, Li S, Mao S, Wang X, Chen F, Lu Y. Tuning the Interfacial Electronic Conductivity by Artificial Electron Tunneling Barriers for Practical Lithium Metal Batteries. NANO LETTERS 2020; 20:6606-6613. [PMID: 32786949 DOI: 10.1021/acs.nanolett.0c02371] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
The native solid electrolyte interphase (SEI) in lithium metal batteries (LMBs) cannot effectively protect Li metal due to its poor ability to suppress electron tunneling, which may account for the increase of the SEI and even dead Li. It is desirable to introduce artificial electron tunneling barriers (AETBs) with ultrahigh insulativity and chemical stability to maintain a sufficiently low electronic conductivity of the SEI. Herein, a nanodiamond particle (ND)-embedded SEI is constructed by a self-transfer process. The ND serving as the AETB reduces the risk of electron penetration through the SEI, readjusts the electric field at the interface, and eliminates the tip effect. As a result, a dendrite-free morphology and dense massive microstructure of Li deposition are realized even with high areal capacity. Notably, full cells using ultrathin Li anodes (45 μm) and LiNi0.8Co0.1Mn0.1O2 cathodes (4.3 mA h cm-2) can cycle stably over 110 cycles, demonstrating that the AETB-embedded SEI significantly alleviates the anode pulverization and safety concerns in practical LMBs.
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Affiliation(s)
- Zeyu Shen
- State Key Laboratory of Chemical Engineering, Institute of Pharmaceutical Engineering, College of Chemical and Biological Engineering, Zhejiang University, Hangzhou 310027, China
| | - Weidong Zhang
- State Key Laboratory of Chemical Engineering, Institute of Pharmaceutical Engineering, College of Chemical and Biological Engineering, Zhejiang University, Hangzhou 310027, China
| | - Siyuan Li
- State Key Laboratory of Chemical Engineering, Institute of Pharmaceutical Engineering, College of Chemical and Biological Engineering, Zhejiang University, Hangzhou 310027, China
| | - Shulan Mao
- State Key Laboratory of Chemical Engineering, Institute of Pharmaceutical Engineering, College of Chemical and Biological Engineering, Zhejiang University, Hangzhou 310027, China
| | - Xinyang Wang
- State Key Laboratory of Chemical Engineering, Institute of Pharmaceutical Engineering, College of Chemical and Biological Engineering, Zhejiang University, Hangzhou 310027, China
| | - Fang Chen
- Department of Chemistry, Zhejiang University, Hangzhou 310027, China
| | - Yingying Lu
- State Key Laboratory of Chemical Engineering, Institute of Pharmaceutical Engineering, College of Chemical and Biological Engineering, Zhejiang University, Hangzhou 310027, China
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Cao G, Wang Z, Bi D, Zheng J, Lai Q, Liang Y. Atomic-Scale Dispersed Fe-Based Catalysts Confined on Nitrogen-Doped Graphene for Li-S Batteries: Polysulfides with Enhanced Conversion Efficiency. Chemistry 2020; 26:10314-10320. [PMID: 32428321 DOI: 10.1002/chem.202001282] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2020] [Revised: 04/30/2020] [Indexed: 11/08/2022]
Abstract
Lithium-sulfur batteries have been considered as potential electrochemical energy-storage devices owing to their satisfactory theoretical energy density. Nonetheless, the inferior conversion efficiency of polysulfides in essence leads to fast capacity decay during the discharge/charge cycle. In this work, it is successfully demonstrated that the conversion efficiency of lithium polysulfides is remarkably enhanced by employing a well-distributed atomic-scale Fe-based catalyst immobilized on nitrogen-doped graphene (Fe@NG) as a coating of separator in lithium-sulfur batteries. The quantitative electrocatalytic efficiency of the conversion of lithium polysulfides is determined through cyclic voltammetry. It is also proven that the Fe-NX configuration with highly catalytic activity is quite beneficial for the conversion of lithium polysulfides. In addition, the adsorption and permeation experiments distinctly indicate that the strong anchoring effect, originated from the charge redistribution of N doping into the graphene matrix, inhibits the movement of lithium polysulfides. Thanks to these advantages, if the as-prepared Fe@NG catalyst is combined with polypropylene and applied as a separator (Fe@NG/PP) in Li-S batteries, a high initial capacity (1616 mA h g-1 at 0.1 C), excellent capacity retention (93 % at 0.2 C, 70 % at 2 C), and superb rate performance (820 mA h g-1 at 2 C) are achieved.
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Affiliation(s)
- Guiqiang Cao
- College of Materials Science and Technology, Nanjing University of Aeronautics and Astronautics, Nanjing, 211106, P. R. China
| | - Zhikang Wang
- College of Materials Science and Technology, Nanjing University of Aeronautics and Astronautics, Nanjing, 211106, P. R. China
| | - Da Bi
- College of Materials Science and Technology, Nanjing University of Aeronautics and Astronautics, Nanjing, 211106, P. R. China
| | - Jing Zheng
- Department of Chemistry and Materials Science, College of Science, Nanjing Forestry University, Nanjing, 210037, P. R. China
| | - Qingxue Lai
- College of Materials Science and Technology, Nanjing University of Aeronautics and Astronautics, Nanjing, 211106, P. R. China
| | - Yanyu Liang
- College of Materials Science and Technology, Nanjing University of Aeronautics and Astronautics, Nanjing, 211106, P. R. China
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35
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Zhang W, Wu Q, Huang J, Fan L, Shen Z, He Y, Feng Q, Zhu G, Lu Y. Colossal Granular Lithium Deposits Enabled by the Grain-Coarsening Effect for High-Efficiency Lithium Metal Full Batteries. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2020; 32:e2001740. [PMID: 32390225 DOI: 10.1002/adma.202001740] [Citation(s) in RCA: 78] [Impact Index Per Article: 19.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/11/2020] [Revised: 04/10/2020] [Accepted: 04/21/2020] [Indexed: 06/11/2023]
Abstract
The low Coulombic efficiency of the lithium metal anode is recognized as the real bottleneck to practical high-efficiency lithium metal batteries with limited Li excess. The grain size and microstructure of deposited lithium strongly influences the lithium plating/stripping efficiency. Here, a solubilizer-mediated carbonate electrolyte that can realize grain coarsening of lithium deposits (>20 µm in width) with oriented columnar morphology, which is in sharp contrast with conventional nanoscale dendrite-like lithium deposits in carbonate electrolytes, is reported. It exhibits improved Li Coulombic efficiency to 98.14% at a high capacity of 3 mAh cm-2 over 150 cycles, because the colossal lithium deposition with minimal tortuosity can maintain the bulk Li with continuous electron conducting pathway during the stripping process, thus enabling efficient Li utilization. Li/NMC811 full batteries, composed of thin Li anode (45 µm) and a high-capacity NMC811 cathode (16.7 mg cm-2 ), can achieve at least 12 times longer lifespan (200 cycles).
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Affiliation(s)
- Weidong Zhang
- College of Chemical and Biological Engineering, State Key Laboratory of Chemical Engineering, Institute of Pharmaceutical Engineering, Zhejiang University, Hangzhou, 310027, China
| | - Qiang Wu
- College of Chemical and Biological Engineering, State Key Laboratory of Chemical Engineering, Institute of Pharmaceutical Engineering, Zhejiang University, Hangzhou, 310027, China
| | | | - Lei Fan
- College of Chemical and Biological Engineering, State Key Laboratory of Chemical Engineering, Institute of Pharmaceutical Engineering, Zhejiang University, Hangzhou, 310027, China
| | - Zeyu Shen
- College of Chemical and Biological Engineering, State Key Laboratory of Chemical Engineering, Institute of Pharmaceutical Engineering, Zhejiang University, Hangzhou, 310027, China
| | - Yi He
- College of Chemical and Biological Engineering, State Key Laboratory of Chemical Engineering, Institute of Pharmaceutical Engineering, Zhejiang University, Hangzhou, 310027, China
| | - Qi Feng
- SAIC Motor Corporation, Shanghai, 201804, China
| | - Guannan Zhu
- SAIC Motor Corporation, Shanghai, 201804, China
| | - Yingying Lu
- College of Chemical and Biological Engineering, State Key Laboratory of Chemical Engineering, Institute of Pharmaceutical Engineering, Zhejiang University, Hangzhou, 310027, China
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Lee H, Lee DJ, Kim M, Kim H, Cho YS, Kwon HJ, Lee HC, Park CR, Im D. High-Energy Density Li-O 2 Battery with a Polymer Electrolyte-Coated CNT Electrode via the Layer-by-Layer Method. ACS APPLIED MATERIALS & INTERFACES 2020; 12:17385-17395. [PMID: 32212667 DOI: 10.1021/acsami.9b21962] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Li-O2 batteries have attracted considerable attention for several decades due to their high theoretical energy density (>3400 Wh/kg). However, it has not been clearly demonstrated that their actual volumetric and gravimetric energy densities are higher than those of Li-ion batteries. In previous studies, a considerable quantity of electrolyte was usually employed in preparing Li-O2 cells. In general, the electrolyte was considerably heavier than the carbon materials in the cathode, rendering the practical energy density of the Li-O2 battery lower than that of the Li-ion battery. Therefore, air cathodes with significantly smaller electrolyte quantities need to be developed to achieve a high specific energy density in Li-O2 batteries. In this study, we propose a core-shell-structured cathode material with a gel-polymer electrolyte layer covering the carbon nanotubes (CNTs). The CNTs are synthesized using the floating catalyst chemical vapor deposition method. The polymeric layer corresponding to the shell is prepared by the layer-by-layer (LbL) coating method, utilizing Li-Nafion along with PDDA-Cl [poly(diallyldimethylammonium chloride)]. Several bilayers of Li-Nafion and PDDA, on the CNT surface, are successfully prepared and characterized via X-ray photoelectron spectroscopy, Fourier transform infrared spectroscopy, and thermogravimetric analysis. The porous structure of the CNTs is retained after the LbL process, as confirmed by the nitrogen adsorption-desorption profile and BJH pore-size distribution analysis. This porous structure can function as an oxygen channel for facilitating the transport of oxygen molecules for reacting with the Li ions on the cathode surface. These polymeric bilayers can provide an Li-ion pathway, after absorbing a small quantity of an ionic liquid electrolyte, 0.5 M LiTFSI EMI-TFSI [1-ethyl-3-methylimidazolium bis(trifluoromethylsulfonyl)imide]. Compared to a typical cathode, where only liquid electrolytes are employed, the total quantity of electrolyte in the cathode can be significantly reduced; thereby, the overall cell energy density can be increased. A Li-O2 battery with this core-shell-structured cathode exhibited a high energy density of approximately 390 Wh/kg, which was assessed by directly weighing all of the cell components together, including the gas diffusion layer, the interlayer [a separator containing a mixture of LiTFSI, 1-butyl-1-methylpyrrolidinium bis(trifluoromethylsulfonyl)imide (PYR-14), and PDDA-TFSI], the lithium anode, and the LbL-CNT cathode. The cycle life of the LbL-CNT-based cathode was found to be 31 cycles at a limited capacity of 500 mAh/gcarbon. Although this is not an excellent performance, it is almost 2 times better than that of a CNT cathode without a polymer coating.
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Affiliation(s)
- Hyunpyo Lee
- Samsung Advanced Institute of Technology (SAIT), Samsung Future Technology Campus, Samsung Electronics Company, Ltd., 130 Samsung-ro, Maetan-dong, Yeongtong-gu, Suwon-si, Gyeonggi-do 443-803, Republic of Korea
| | - Dong Joon Lee
- Samsung Advanced Institute of Technology (SAIT), Samsung Future Technology Campus, Samsung Electronics Company, Ltd., 130 Samsung-ro, Maetan-dong, Yeongtong-gu, Suwon-si, Gyeonggi-do 443-803, Republic of Korea
| | - Mokwon Kim
- Samsung Advanced Institute of Technology (SAIT), Samsung Future Technology Campus, Samsung Electronics Company, Ltd., 130 Samsung-ro, Maetan-dong, Yeongtong-gu, Suwon-si, Gyeonggi-do 443-803, Republic of Korea
| | - Hyunjin Kim
- Samsung Advanced Institute of Technology (SAIT), Samsung Future Technology Campus, Samsung Electronics Company, Ltd., 130 Samsung-ro, Maetan-dong, Yeongtong-gu, Suwon-si, Gyeonggi-do 443-803, Republic of Korea
| | - Young Shik Cho
- Carbon Nanomaterials Design Laboratory, Research Institute of Advanced Materials, and Department of Materials Science and Engineering, Seoul National University, Seoul 08826, Republic of Korea
| | - Hyuk Jae Kwon
- Samsung Advanced Institute of Technology (SAIT), Samsung Future Technology Campus, Samsung Electronics Company, Ltd., 130 Samsung-ro, Maetan-dong, Yeongtong-gu, Suwon-si, Gyeonggi-do 443-803, Republic of Korea
| | - Heung Chan Lee
- Samsung Advanced Institute of Technology (SAIT), Samsung Future Technology Campus, Samsung Electronics Company, Ltd., 130 Samsung-ro, Maetan-dong, Yeongtong-gu, Suwon-si, Gyeonggi-do 443-803, Republic of Korea
| | - Chong Rae Park
- Carbon Nanomaterials Design Laboratory, Research Institute of Advanced Materials, and Department of Materials Science and Engineering, Seoul National University, Seoul 08826, Republic of Korea
| | - Dongmin Im
- Samsung Advanced Institute of Technology (SAIT), Samsung Future Technology Campus, Samsung Electronics Company, Ltd., 130 Samsung-ro, Maetan-dong, Yeongtong-gu, Suwon-si, Gyeonggi-do 443-803, Republic of Korea
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37
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Hu Y, Zhu X, Wang L. Two-Dimensional Material-Functionalized Separators for High-Energy-Density Metal-Sulfur and Metal-Based Batteries. CHEMSUSCHEM 2020; 13:1366-1378. [PMID: 31793744 DOI: 10.1002/cssc.201902758] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/08/2019] [Revised: 11/23/2019] [Indexed: 06/10/2023]
Abstract
Functional separators have attracted much attention owing to their effectiveness in supporting the stable and safe operation of future ultrahigh-capacity electrodes, especially sulfur cathodes and metal anodes in rechargeable batteries. Among the functional materials for separator modification, two-dimensional (2 D) materials offer the unique advantages of intimate coverage, mechanical robustness, and rich surface chemistry. This Minireview summarizes up-to-date achievements in the development of 2 D material-functionalized separators to promote the application of sulfur cathodes and metal anodes. With a deep understanding of the roles of 2 D materials and their precise control in functionalizing separators, 2 D materials will find great opportunities in advancing high-energy-density rechargeable batteries.
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Affiliation(s)
- Yuxiang Hu
- Nanomaterials Centre, School of Chemical Engineering and Australian Institute Bioengineering and Nanotechnology, The University of Queensland, St. Lucia, QLD, 4072, Australia
| | - Xiaobo Zhu
- Nanomaterials Centre, School of Chemical Engineering and Australian Institute Bioengineering and Nanotechnology, The University of Queensland, St. Lucia, QLD, 4072, Australia
| | - Lianzhou Wang
- Nanomaterials Centre, School of Chemical Engineering and Australian Institute Bioengineering and Nanotechnology, The University of Queensland, St. Lucia, QLD, 4072, Australia
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38
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Jian M, Zhang Y, Liu Z. Natural Biopolymers for Flexible Sensing and Energy Devices. CHINESE JOURNAL OF POLYMER SCIENCE 2020. [DOI: 10.1007/s10118-020-2379-9] [Citation(s) in RCA: 32] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
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Wang W, Hao F, Mukherjee PP. Mechanistics of Lithium-Metal Battery Performance by Separator Architecture Design. ACS APPLIED MATERIALS & INTERFACES 2020; 12:556-566. [PMID: 31799820 DOI: 10.1021/acsami.9b16186] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Lithium (Li)-metal anode has attracted renewed research interest due to its high specific capacity and the lowest negative potential. However, Li-metal batteries have safety issues and severe capacity fading. In this study, we demonstrate a facile and effective technique by adding an anodic aluminum oxide nanostructured interlayer onto the commercial polypropylene separator (PP) to create a novel architecture (AP). It is found that AP-based symmetric Li-Li cells and Li-NCM523 cells exhibit enhanced cycling performance and delayed capacity decay. Furthermore, compared with the cells with PP, the cells with AP show reduced overpotentials and improved cycle stability at low temperatures and various current densities, implying the wide applications of the designed architecture. The superior performance of AP is ascribed to its high electrolyte retention, high mechanical strength, and precisely ordered architecture, which contribute to uniform Li nucleation and growth. This unique separator architecture provides mechanistic insights into the design of rechargeable lithium-metal batteries, which are aimed at high energy density and cycling stability.
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Affiliation(s)
- Wenxiu Wang
- School of Mechanical Engineering , Purdue University , West Lafayette , Indiana 47907 , United States
| | - Feng Hao
- School of Mechanical Engineering , Purdue University , West Lafayette , Indiana 47907 , United States
| | - Partha P Mukherjee
- School of Mechanical Engineering , Purdue University , West Lafayette , Indiana 47907 , United States
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40
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Zhang L, Liu D, Muhammad Z, Wan F, Xie W, Wang Y, Song L, Niu Z, Chen J. Single Nickel Atoms on Nitrogen-Doped Graphene Enabling Enhanced Kinetics of Lithium-Sulfur Batteries. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2019; 31:e1903955. [PMID: 31423664 DOI: 10.1002/adma.201903955] [Citation(s) in RCA: 200] [Impact Index Per Article: 40.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/21/2019] [Revised: 08/01/2019] [Indexed: 06/10/2023]
Abstract
Lithium-sulfur (Li-S) batteries have arousing interest because of their high theoretical energy density. However, they often suffer from sluggish conversion of lithium polysulfides (LiPS) during the charge/discharge process. Single nickel (Ni) atoms on nitrogen-doped graphene (Ni@NG) with Ni-N4 structure are prepared and introduced to modify the separators of Li-S batteries. The oxidized Ni sites of the Ni-N4 structure act as polysulfide traps, efficiently accommodating polysulfide ion electrons by forming strong Sx 2- ⋅⋅⋅NiN bonding. Additionally, charge transfer between the LiPS and oxidized Ni sites endows the LiPS on Ni@NG with low free energy and decomposition energy barrier in an electrochemical process, accelerating the kinetic conversion of LiPS during the charge/discharge process. Furthermore, the large binding energy of LiPS on Ni@NG also shows its ability to immobilize the LiPS and further suppresses the undesirable shuttle effect. Therefore, a Li-S battery based on a Ni@NG modified separator exhibits excellent rate performance and stable cycling life with only 0.06% capacity decay per cycle. It affords fresh insights for developing single-atom catalysts to accelerate the kinetic conversion of LiPS for highly stable Li-S batteries.
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Affiliation(s)
- Linlin Zhang
- Key Laboratory of Advanced Energy Materials Chemistry (Ministry of Education), Renewable Energy Conversion and Storage Center, College of Chemistry, Nankai University, Tianjin, 300071, P. R. China
| | - Daobin Liu
- National Synchrotron Radiation Laboratory, School of Chemistry and Materials Science, CAS Center for Excellence in Nanoscience, University of Science and Technology of China, Hefei, 230026, P. R. China
| | - Zahir Muhammad
- National Synchrotron Radiation Laboratory, School of Chemistry and Materials Science, CAS Center for Excellence in Nanoscience, University of Science and Technology of China, Hefei, 230026, P. R. China
| | - Fang Wan
- Key Laboratory of Advanced Energy Materials Chemistry (Ministry of Education), Renewable Energy Conversion and Storage Center, College of Chemistry, Nankai University, Tianjin, 300071, P. R. China
| | - Wei Xie
- Key Laboratory of Advanced Energy Materials Chemistry (Ministry of Education), Renewable Energy Conversion and Storage Center, College of Chemistry, Nankai University, Tianjin, 300071, P. R. China
| | - Yijing Wang
- Key Laboratory of Advanced Energy Materials Chemistry (Ministry of Education), Renewable Energy Conversion and Storage Center, College of Chemistry, Nankai University, Tianjin, 300071, P. R. China
| | - Li Song
- National Synchrotron Radiation Laboratory, School of Chemistry and Materials Science, CAS Center for Excellence in Nanoscience, University of Science and Technology of China, Hefei, 230026, P. R. China
| | - Zhiqiang Niu
- Key Laboratory of Advanced Energy Materials Chemistry (Ministry of Education), Renewable Energy Conversion and Storage Center, College of Chemistry, Nankai University, Tianjin, 300071, P. R. China
| | - Jun Chen
- Key Laboratory of Advanced Energy Materials Chemistry (Ministry of Education), Renewable Energy Conversion and Storage Center, College of Chemistry, Nankai University, Tianjin, 300071, P. R. China
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41
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Li X, Zheng Y, Pan Q, Li CY. Polymerized Ionic Liquid-Containing Interpenetrating Network Solid Polymer Electrolytes for All-Solid-State Lithium Metal Batteries. ACS APPLIED MATERIALS & INTERFACES 2019; 11:34904-34912. [PMID: 31474106 DOI: 10.1021/acsami.9b09985] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
The practical application of lithium metal batteries (LMBs) with high energy density is hindered by uneven lithium deposition during battery cycling. To mitigate this process, in this work, an interpenetrating polymer network solid polymer electrolyte (IPN SPE) is prepared by introducing a polymerized ionic liquid (PIL), poly(diallyldimethylammonium) bis(trifluoromethanesulfonyl)imide to a polyhedral oligomeric silsesquioxane-poly(ethylene glycol)-based network SPE. Compared with the virgin SPE, the newly developed IPN SPE exhibited improved ionic conductivity, excellent lithium dendrite resistance, and superior battery performance, which was attributed to the homogeneous, immobilized ion network provided by the PIL-containing IPN. Furthermore, the effects of ionic conductivity and homogenized ion distribution were quantitatively delineated by galvanostatic cycling and polarization measurements at current densities that were below and above the estimated Sand's critical current density based on the Chazalviel model. Full battery tests also showed excellent discharge capacity, cycle life, and Coulombic efficiency. Our results suggest that the PIL-containing IPN SPEs provide a promising system for stabilizing lithium electrodeposition and fabricating high-performance LMBs.
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Affiliation(s)
- Xiaowei Li
- Department of Materials Science and Engineering , Drexel University , Philadelphia , Pennsylvania 19104 , United States
| | - Yongwei Zheng
- Department of Materials Science and Engineering , Drexel University , Philadelphia , Pennsylvania 19104 , United States
| | - Qiwei Pan
- Department of Materials Science and Engineering , Drexel University , Philadelphia , Pennsylvania 19104 , United States
| | - Christopher Y Li
- Department of Materials Science and Engineering , Drexel University , Philadelphia , Pennsylvania 19104 , United States
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42
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Liu M, Cai N, Chan V, Yu F. Development and Applications of MOFs Derivative One-Dimensional Nanofibers via Electrospinning: A Mini-Review. NANOMATERIALS 2019; 9:nano9091306. [PMID: 31547339 PMCID: PMC6781049 DOI: 10.3390/nano9091306] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/31/2019] [Revised: 08/29/2019] [Accepted: 09/09/2019] [Indexed: 02/07/2023]
Abstract
Metal organic frameworks (MOFs) have been exploited for various applications in science and engineering due to the possibility of forming different mesoscopic frameworks and pore structures. To date, further development of MOFs for practical applications in areas such as energy storage and conversion have encountered tremendous challenge owing to the unitary porous structure (almost filled entirely with micropores) and conventional morphology (e.g., sphere, polyhedron, and rod shape). More recently, one-dimensional (1D) MOFs/nanofibers composites emerged as a new molecular system with highly engineered novel structures for tailored applications. In this mini-review, the recent progress in the development of MOFs-based 1D nanofibers via electrospinning will be elaborated. In particular, the promising applications and underlying molecular mechanism of electrospun MOF-derived carbon nanofibers are primarily focused and analyzed here. This review is instrumental in providing certain guiding principles for the preparation and structural analysis of MOFs/electrospun nanofibers (M-NFs) composites and electrospun MOF-derived nanomaterials.
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Affiliation(s)
- Mingming Liu
- Key Laboratory for Green Chemical Process of Ministry of Education, Hubei Engineering Research Center for Advanced Fine Chemicals, School of Chemical Engineering and Pharmacy, Wuhan Institute of Technology, Wuhan 430073, China.
| | - Ning Cai
- Key Laboratory for Green Chemical Process of Ministry of Education, Hubei Engineering Research Center for Advanced Fine Chemicals, School of Chemical Engineering and Pharmacy, Wuhan Institute of Technology, Wuhan 430073, China.
| | - Vincent Chan
- Department of Biomedical Engineering, Khalifa University of Science and Technology, Abu Dhabi 127788, UAE.
| | - Faquan Yu
- Key Laboratory for Green Chemical Process of Ministry of Education, Hubei Engineering Research Center for Advanced Fine Chemicals, School of Chemical Engineering and Pharmacy, Wuhan Institute of Technology, Wuhan 430073, China.
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43
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Ren YX, Zeng L, Jiang HR, Ruan WQ, Chen Q, Zhao TS. Rational design of spontaneous reactions for protecting porous lithium electrodes in lithium-sulfur batteries. Nat Commun 2019; 10:3249. [PMID: 31324784 PMCID: PMC6642196 DOI: 10.1038/s41467-019-11168-y] [Citation(s) in RCA: 42] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2018] [Accepted: 06/21/2019] [Indexed: 11/08/2022] Open
Abstract
A rechargeable lithium anode requires a porous structure for a high capacity, and a stable electrode/electrolyte interface against dendrite formation and polysulfide crossover when used in a lithium-sulfur battery. Here, we design two simple steps of spontaneous reactions for protecting porous lithium electrodes. First, a reaction between molten lithium and sulfur-impregnated carbon nanofiber forms a fibrous network with a lithium shell and a carbon core. Second, we coat the surface of this porous lithium electrode with a composite of lithium bismuth alloys and lithium fluoride through another spontaneous reaction between lithium and bismuth trifluoride, solvated with phosphorous pentasulfide, which also polymerizes with lithium sulfide residual in the electrode to form a solid electrolyte layer. This protected porous lithium electrode enables stable operation of a lithium-sulfur battery with a sulfur loading of 10.2 mg cm-2 at 6.0 mA cm-2 for 200 cycles.
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Affiliation(s)
- Y X Ren
- HKUST Energy Institute, The Hong Kong University of Science and Technology, Clear Water Bay, 999077, Kowloon, Hong Kong SAR, China
- Department of Mechanical and Aerospace Engineering, The Hong Kong University of Science and Technology, Clear Water Bay, 999077, Kowloon, Hong Kong SAR, China
| | - L Zeng
- HKUST Energy Institute, The Hong Kong University of Science and Technology, Clear Water Bay, 999077, Kowloon, Hong Kong SAR, China
- Department of Mechanical and Aerospace Engineering, The Hong Kong University of Science and Technology, Clear Water Bay, 999077, Kowloon, Hong Kong SAR, China
- HKUST Jockey Club Institute for Advanced Study, The Hong Kong University of Science and Technology, Clear Water Bay, 999077, Kowloon, Hong Kong SAR, China
| | - H R Jiang
- HKUST Energy Institute, The Hong Kong University of Science and Technology, Clear Water Bay, 999077, Kowloon, Hong Kong SAR, China
- Department of Mechanical and Aerospace Engineering, The Hong Kong University of Science and Technology, Clear Water Bay, 999077, Kowloon, Hong Kong SAR, China
| | - W Q Ruan
- HKUST Energy Institute, The Hong Kong University of Science and Technology, Clear Water Bay, 999077, Kowloon, Hong Kong SAR, China
- Department of Mechanical and Aerospace Engineering, The Hong Kong University of Science and Technology, Clear Water Bay, 999077, Kowloon, Hong Kong SAR, China
- Department of Chemistry, The Hong Kong University of Science and Technology, Clear Water Bay, 999077, Kowloon, Hong Kong SAR, China
| | - Q Chen
- HKUST Energy Institute, The Hong Kong University of Science and Technology, Clear Water Bay, 999077, Kowloon, Hong Kong SAR, China.
- Department of Mechanical and Aerospace Engineering, The Hong Kong University of Science and Technology, Clear Water Bay, 999077, Kowloon, Hong Kong SAR, China.
- Department of Chemistry, The Hong Kong University of Science and Technology, Clear Water Bay, 999077, Kowloon, Hong Kong SAR, China.
| | - T S Zhao
- HKUST Energy Institute, The Hong Kong University of Science and Technology, Clear Water Bay, 999077, Kowloon, Hong Kong SAR, China.
- Department of Mechanical and Aerospace Engineering, The Hong Kong University of Science and Technology, Clear Water Bay, 999077, Kowloon, Hong Kong SAR, China.
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Choudhury S, Tu Z, Nijamudheen A, Zachman MJ, Stalin S, Deng Y, Zhao Q, Vu D, Kourkoutis LF, Mendoza-Cortes JL, Archer LA. Stabilizing polymer electrolytes in high-voltage lithium batteries. Nat Commun 2019; 10:3091. [PMID: 31300653 PMCID: PMC6626095 DOI: 10.1038/s41467-019-11015-0] [Citation(s) in RCA: 73] [Impact Index Per Article: 14.6] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2018] [Accepted: 06/12/2019] [Indexed: 11/08/2022] Open
Abstract
Electrochemical cells that utilize lithium and sodium anodes are under active study for their potential to enable high-energy batteries. Liquid and solid polymer electrolytes based on ether chemistry are among the most promising choices for rechargeable lithium and sodium batteries. However, uncontrolled anionic polymerization of these electrolytes at low anode potentials and oxidative degradation at working potentials of the most interesting cathode chemistries have led to a quite concession in the field that solid-state or flexible batteries based on polymer electrolytes can only be achieved in cells based on low- or moderate-voltage cathodes. Here, we show that cationic chain transfer agents can prevent degradation of ether electrolytes by arresting uncontrolled polymer growth at the anode. We also report that cathode electrolyte interphases composed of preformed anionic polymers and supramolecules provide a fundamental strategy for extending the high voltage stability of ether-based electrolytes to potentials well above conventionally accepted limits.
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Affiliation(s)
- Snehashis Choudhury
- School of Chemical and Biomolecular Engineering, Cornell University, Ithaca, NY, 14853, USA
| | - Zhengyuan Tu
- Department of Material Science and Engineering, Cornell University, Ithaca, NY, 14853, USA
| | - A Nijamudheen
- Department of Chemical & Biomedical Engineering, Florida A&M-Florida State University, Joint College of Engineering, 2525 Pottsdamer Street, Tallahassee, FL, 32310, USA
- Materials Science and Engineering, High Performance Materials Institute, Florida State University, 2005 Levy Avenue, Tallahassee, FL, 32310, USA
- Department of Scientific Computing, Florida State University, 110 North Woodward Avenue, Tallahassee, FL, 32304, USA
- Condensed Matter Theory, National High Magnetic Field Laboratory (NHMFL), Florida State University, 1800 East Paul Dirac Drive, Tallahassee, FL, 32310, USA
- Department of Physics, Florida State University, 77 Chieftan Way, Tallahassee, FL, 32306, USA
| | - Michael J Zachman
- School of Applied and Engineering Physics, Cornell University, Ithaca, NY, 14853, USA
- Center for Nanophase Materials Sciences, Oak Ridge National Laboratory, Oak Ridge, TN, 37831, USA
| | - Sanjuna Stalin
- School of Chemical and Biomolecular Engineering, Cornell University, Ithaca, NY, 14853, USA
| | - Yue Deng
- School of Chemical and Biomolecular Engineering, Cornell University, Ithaca, NY, 14853, USA
| | - Qing Zhao
- School of Chemical and Biomolecular Engineering, Cornell University, Ithaca, NY, 14853, USA
| | - Duylinh Vu
- School of Chemical and Biomolecular Engineering, Cornell University, Ithaca, NY, 14853, USA
| | - Lena F Kourkoutis
- School of Applied and Engineering Physics, Cornell University, Ithaca, NY, 14853, USA
- Kavli Institute at Cornell for Nanoscale Science, Cornell University, Ithaca, NY, 14853, USA
| | - Jose L Mendoza-Cortes
- Department of Chemical & Biomedical Engineering, Florida A&M-Florida State University, Joint College of Engineering, 2525 Pottsdamer Street, Tallahassee, FL, 32310, USA.
- Materials Science and Engineering, High Performance Materials Institute, Florida State University, 2005 Levy Avenue, Tallahassee, FL, 32310, USA.
- Department of Scientific Computing, Florida State University, 110 North Woodward Avenue, Tallahassee, FL, 32304, USA.
- Condensed Matter Theory, National High Magnetic Field Laboratory (NHMFL), Florida State University, 1800 East Paul Dirac Drive, Tallahassee, FL, 32310, USA.
- Department of Physics, Florida State University, 77 Chieftan Way, Tallahassee, FL, 32306, USA.
| | - Lynden A Archer
- School of Chemical and Biomolecular Engineering, Cornell University, Ithaca, NY, 14853, USA.
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45
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Tian Y, Lin C, Wang Z, Jin J. Polymer of intrinsic microporosity-based macroporous membrane with high thermal stability as a Li-ion battery separator. RSC Adv 2019; 9:21539-21543. [PMID: 35521324 PMCID: PMC9066188 DOI: 10.1039/c9ra02308a] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2019] [Accepted: 06/19/2019] [Indexed: 12/03/2022] Open
Abstract
Polymers of intrinsic microporosity (PIMs) have numerous advantages such as good thermal stability (T g > 300 °C) and mechanical stability (tensile strength at break > 60 MPa) as well as excellent electrical insulation performance and chemical/electrochemical stability. Herein, a macroporous membrane made up of a polymer of intrinsic microporosity (PIM-1) was fabricated and used as a separator of a rechargeable Li-ion battery for the first time. The PIM-1-based separator showed good thermal resistance with T g > 300 °C, high electrolyte uptake, and excellent Li-ion conductivity.
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Affiliation(s)
- Yangyang Tian
- School of Nano Technology and Nano Bionics, University of Science and Technology of China Hefei 230026 China
| | - Chong Lin
- i-Lab, Suzhou Institute of Nano-Tech and Nano-Bionics, Chinese Academy of Sciences Suzhou 215123 China
| | - Zhenggong Wang
- College of Chemistry, Chemical Engineering and Materials Science, Soochow University Suzhou 215123 China
| | - Jian Jin
- College of Chemistry, Chemical Engineering and Materials Science, Soochow University Suzhou 215123 China
- i-Lab, Suzhou Institute of Nano-Tech and Nano-Bionics, Chinese Academy of Sciences Suzhou 215123 China
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46
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Yang Y, Li B, Li L, Seeger S, Zhang J. A SuperLEphilic/Superhydrophobic and Thermostable Separator Based on Silicone Nanofilaments for Li Metal Batteries. iScience 2019; 16:420-432. [PMID: 31229891 PMCID: PMC6593149 DOI: 10.1016/j.isci.2019.06.010] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2019] [Revised: 06/03/2019] [Accepted: 06/05/2019] [Indexed: 12/24/2022] Open
Abstract
Conventional polyolefin separators suffer from poor wettability to liquid electrolytes (LEs). Although some modified separators exhibit improved wettability, they are hydrophilic, causing inevitable moisture uptake. Trace water could result in poor performance and safety hazard of Li metal batteries. Here, we report a design idea of superLEphilic/superhydrophobic and thermostable separators by modifying the Celgard separator using silicone nanofilaments. The separator features low moisture uptake (∼0%), fast LE diffusion (454 ms), and high LE uptake (287.8%), LE retention rate, and Li+ conductivity. Consequently, the Li/LiFePO4 cells show high cycling stability (96.05% after 350 cycles), good rate performance (125 mA h g−1 at 5.0 C), low resistance, and stable open circuit voltage at 160°C. Moreover, the separator could improve performance of the other Li metal batteries with high-voltage cathodes and the LiFePO4/graphite pouch cells. This work provides an avenue for designing advanced separators by using bioinspired superwetting surfaces. A superLEphilic/superhydrophobic separator is first reported for Li metal batteries The separator has low moisture uptake and could improve performance of Li/Li cells The separator features fast LE diffusion, high LE uptake, and Li+ conductivity The separator could enhance performance of high-voltage Li metal batteries
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Affiliation(s)
- Yanfei Yang
- Center of Eco-material and Green Chemistry, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000, P.R. China; Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Bucheng Li
- Center of Eco-material and Green Chemistry, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000, P.R. China
| | - Lingxiao Li
- Center of Eco-material and Green Chemistry, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000, P.R. China
| | - Stefan Seeger
- Department of Chemistry, University of Zurich, Zurich 8057, Switzerland
| | - Junping Zhang
- Center of Eco-material and Green Chemistry, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000, P.R. China; Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing 100049, China.
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47
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Huang ZD, Fang Y, Yang M, Yang J, Wang Y, Wu Z, Du Q, Masese T, Liu R, Yang X, Qian C, Jin S, Ma Y. Sulfur in Mesoporous Tungsten Nitride Foam Blocks: A Rational Lithium Polysulfide Confinement Experimental Design Strategy Augmented by Theoretical Predictions. ACS APPLIED MATERIALS & INTERFACES 2019; 11:20013-20021. [PMID: 31070348 DOI: 10.1021/acsami.9b04246] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
To enhance the utilization of sulfur in lithium-sulfur batteries, three-dimensional tungsten nitride (WN) mesoporous foam blocks are designed to spatially localize the soluble Li2S6 and Li2S4 within the pore spaces. Meanwhile, the chemisorption behaviors of polysulfides and the capability of WN as an effective confiner are systematically investigated through density functional theory calculations and experimental studies. The theoretical calculations reveal a decrease in chemisorption strength between WN and the soluble polysulfides (Li2S8 > Li2S6 > Li2S4), while the interactions between WN and the insoluble Li2S2/Li2S show a high chemisorption strength of ca. 3 eV. Validating theoretical insights through electrochemical measurements further manifest that the assembled battery configurations with sulfur cathode confined in the thickest WN blocks exhibit the best rate capabilities (1090 and 510 mAh g-1 at 0.5C and 5C, respectively) with the highest initial Coulombic efficiency of 90.5%. Moreover, a reversible capacity of 358 mAh g-1 is maintained with a high Coulombic efficiency approaching to 100%, even after 500 cycles at 2C. As guided by in silico design, this work not only provides an effective strategy to improve the retentivity of polysulfides but also underpins that properly architectured WN can be effective retainers of polysulfides.
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Affiliation(s)
- Zhen-Dong Huang
- Key Laboratory for Organic Electronics and Information Displays & Jiangsu Key Laboratory for Biosensors, Institute of Advanced Materials (IAM), Jiangsu National Synergetic Innovation Center for Advanced Materials (SICAM) , Nanjing University of Posts and Telecommunications , 9 Wenyuan Road , Nanjing 210023 , P. R. China
| | - Yanwu Fang
- Key Laboratory for Organic Electronics and Information Displays & Jiangsu Key Laboratory for Biosensors, Institute of Advanced Materials (IAM), Jiangsu National Synergetic Innovation Center for Advanced Materials (SICAM) , Nanjing University of Posts and Telecommunications , 9 Wenyuan Road , Nanjing 210023 , P. R. China
| | - Mingtong Yang
- Key Laboratory for Organic Electronics and Information Displays & Jiangsu Key Laboratory for Biosensors, Institute of Advanced Materials (IAM), Jiangsu National Synergetic Innovation Center for Advanced Materials (SICAM) , Nanjing University of Posts and Telecommunications , 9 Wenyuan Road , Nanjing 210023 , P. R. China
| | - Jike Yang
- Key Laboratory for Organic Electronics and Information Displays & Jiangsu Key Laboratory for Biosensors, Institute of Advanced Materials (IAM), Jiangsu National Synergetic Innovation Center for Advanced Materials (SICAM) , Nanjing University of Posts and Telecommunications , 9 Wenyuan Road , Nanjing 210023 , P. R. China
| | - Yizhou Wang
- Key Laboratory for Organic Electronics and Information Displays & Jiangsu Key Laboratory for Biosensors, Institute of Advanced Materials (IAM), Jiangsu National Synergetic Innovation Center for Advanced Materials (SICAM) , Nanjing University of Posts and Telecommunications , 9 Wenyuan Road , Nanjing 210023 , P. R. China
| | - Zhen Wu
- Shaanxi Key Laboratory of Energy Chemical Process Intensification, School of Chemical Engineering and Technology , Xi'an Jiaotong University , Xi'an 710049 , P. R. China
| | - Qingchuan Du
- Key Laboratory for Organic Electronics and Information Displays & Jiangsu Key Laboratory for Biosensors, Institute of Advanced Materials (IAM), Jiangsu National Synergetic Innovation Center for Advanced Materials (SICAM) , Nanjing University of Posts and Telecommunications , 9 Wenyuan Road , Nanjing 210023 , P. R. China
| | - Titus Masese
- Research Institute of Electrochemical Energy , National Institute of Advanced Industrial Science and Technology (AIST) , Ikeda , Osaka 563-8577 , Japan
| | - Ruiqing Liu
- Key Laboratory for Organic Electronics and Information Displays & Jiangsu Key Laboratory for Biosensors, Institute of Advanced Materials (IAM), Jiangsu National Synergetic Innovation Center for Advanced Materials (SICAM) , Nanjing University of Posts and Telecommunications , 9 Wenyuan Road , Nanjing 210023 , P. R. China
| | - Xusheng Yang
- Department of Industrial and Systems Engineering , Hong Kong Polytechnic University , Hung Hom, Kowloon , Hong Kong , P. R. China
- Hong Kong Polytechnic University Shenzhen Research Institute , Shenzhen 518057 , P. R. China
| | - Chenhui Qian
- Shaanxi Key Laboratory of Energy Chemical Process Intensification, School of Chemical Engineering and Technology , Xi'an Jiaotong University , Xi'an 710049 , P. R. China
| | - Shaowei Jin
- National Supercomputing Center in Shenzhen , Shenzhen 518055 , P. R. China
| | - Yanwen Ma
- Key Laboratory for Organic Electronics and Information Displays & Jiangsu Key Laboratory for Biosensors, Institute of Advanced Materials (IAM), Jiangsu National Synergetic Innovation Center for Advanced Materials (SICAM) , Nanjing University of Posts and Telecommunications , 9 Wenyuan Road , Nanjing 210023 , P. R. China
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48
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Zhang C, Shen L, Shen J, Liu F, Chen G, Tao R, Ma S, Peng Y, Lu Y. Anion-Sorbent Composite Separators for High-Rate Lithium-Ion Batteries. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2019; 31:e1808338. [PMID: 30957302 DOI: 10.1002/adma.201808338] [Citation(s) in RCA: 63] [Impact Index Per Article: 12.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/27/2018] [Revised: 03/01/2019] [Indexed: 06/09/2023]
Abstract
Novel composite separators containing metal-organic-framework (MOF) particles and poly(vinyl alcohol) are fabricated by the electrospinning process. The MOF particles containing opened metal sites can spontaneously adsorb anions while allowing effective transport of lithium ions in the electrolyte, leading to dramatically improved lithium-ion transference number tLi + (up to 0.79) and lithium-ion conductivity. Meanwhile, the incorporation of the MOF particles alleviates the decomposition of the electrolyte, enhances the electrode reaction kinetics, and reduces the interface resistance between the electrolyte and the electrodes. Implementation of such composite separators in conventional lithium-ion batteries leads to significantly improved rate capability and cycling durability, offering a new prospective toward high-performance lithium-ion batteries.
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Affiliation(s)
- Chen Zhang
- Shanghai Key Laboratory of Materials Protection and Advanced Materials in Electric Power, Shanghai University of Electric Power, Shanghai, 200090, P. R. China
- Department of Chemical and Biomolecular Engineering, University of California, Los Angeles, Los Angeles, CA, 90095, USA
| | - Li Shen
- Shanghai Key Laboratory of Materials Protection and Advanced Materials in Electric Power, Shanghai University of Electric Power, Shanghai, 200090, P. R. China
- Department of Chemical and Biomolecular Engineering, University of California, Los Angeles, Los Angeles, CA, 90095, USA
| | - Jianqiang Shen
- Department of Chemical and Biomolecular Engineering, University of California, Los Angeles, Los Angeles, CA, 90095, USA
| | - Fang Liu
- Department of Chemical and Biomolecular Engineering, University of California, Los Angeles, Los Angeles, CA, 90095, USA
| | - Gen Chen
- Department of Chemical and Biomolecular Engineering, University of California, Los Angeles, Los Angeles, CA, 90095, USA
| | - Ran Tao
- Department of Chemical and Biomolecular Engineering, University of California, Los Angeles, Los Angeles, CA, 90095, USA
| | - Shengxiang Ma
- Department of Chemical and Biomolecular Engineering, University of California, Los Angeles, Los Angeles, CA, 90095, USA
| | - Yiting Peng
- Shanghai Key Laboratory of Materials Protection and Advanced Materials in Electric Power, Shanghai University of Electric Power, Shanghai, 200090, P. R. China
| | - Yunfeng Lu
- Department of Chemical and Biomolecular Engineering, University of California, Los Angeles, Los Angeles, CA, 90095, USA
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49
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Solvent-Free and Scalable Procedure to Prepare PYR13TFSI/LiTFSI/PVDF⁻HFP Thermoplastic Electrolytes with Controlled Phase Separation and Enhanced Li Ion Diffusion. MEMBRANES 2019; 9:membranes9040050. [PMID: 30974723 PMCID: PMC6523596 DOI: 10.3390/membranes9040050] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/01/2019] [Revised: 03/28/2019] [Accepted: 04/01/2019] [Indexed: 11/17/2022]
Abstract
Solid electrolytes for Li transport have been prepared by melt-compounding in one single step. Electrolytes are composed of polyvinylidene fluoride–hexafluoropropylene (PVDF–HFP) with PYR13TFSI on its own or with varying concentration of LiTFSI. While the extrusion of PVDF–HFP with PYR13TFSI is possible up to relatively high liquid fractions, the compatibility of PVDF–HFP with LiTFSI/PYR13TFSI solutions is much lower. An organo-modified sepiolite with D-α-tocopherol polyethylene glycol 1000 succinate (TPGS-S) can be used to enhance the compatibility of these blends and allows to prepare homogeneous PYR13TFSI/LiTFSI/PVDF–HFP electrolytes with controlled microphase separations by melt-compounding. The structure and morphology of the electrolytes has been studied by FTIR, differential scanning calorimetry (DSC), SEM, and AFM. Their mechanical properties have been studied by classical strain–stress experiments. Finally, ionic conductivity has been studied in the −50 to 90 °C temperature range and in diffusivity at 25 °C by PFG-NMR. These electrolytes prove to have a microphase-separated morphology and ionic conductivity which depends mainly on their composition, and a mechanical behavior typical of common thermoplastic polymers, which makes them very easy to handle. Then, in this solvent-free and scalable fashion, it is possible to prepare electrolytes like those prepared by solvent casting, but in few minutes instead of several hours or days, without solvent evaporation steps, and with ionic conductivities, which are very similar for the same compositions, above 0.1 mS·cm−1 at 25 °C. In addition, some of the electrolytes have been prepared with high concentration of Li ion, what has allowed the anion exchange Li transport mechanism to contribute significantly to the overall Li diffusivity, making DLi become similar and even clearly greater than DTFSI.
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Solvent-Free Procedure for the Preparation under Controlled Atmosphere Conditions of Phase-Segregated Thermoplastic Polymer Electrolytes. Polymers (Basel) 2019; 11:polym11030406. [PMID: 30960390 PMCID: PMC6473492 DOI: 10.3390/polym11030406] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2019] [Revised: 02/21/2019] [Accepted: 02/25/2019] [Indexed: 11/17/2022] Open
Abstract
A solvent-free method that allows thermoplastic solid electrolytes based on poly(ethylene oxide) PEO to be obtained under controlled atmosphere conditions is presented. This method comprises two steps, the first one being the melt compounding of PEO with a filler, able to physically crosslink the polymer and its pelletizing, and the second the pellets’ swelling with an electroactive liquid phase. This method is an adaptation of the step described in previous publications of the preparation of thermoplastic electrolytes by a single melt compounding. In comparison to the single step extrusion methodology, this new method permits employing electroactive species that are very sensitive to atmospheric conditions. The two-step method can also be designed to produce controlled phase-segregated morphologies in the electrolyte, namely polymer-poor and polymer-rich phases, with the aim of increasing ionic conductivity over that of homogeneous electrolytes. An evaluation of the characteristics of the electrolytes prepared by single and two-step procedures is done by comparing membranes prepared by both methods using PEO as a polymeric scaffold and a solution of the room-temperature ionic liquid 1-ethyl-3-methylimidazolium bis(trifluoromethanesulfonyl) imide (EMI TFSI) and the bis(trifluoromethanesulfonyl) imide lithium salt (Li TFSI) as liquid phase. The electrolytes prepared by both methods have been characterized by Fourier transform infrared spectroscopy and optic microscopy profilometry, differential scanning calorimetry, self-creep experiments, and dielectric spectroscopy. In this way, the phase separation, rheology, and ionic conductivity are studied and compared. It is striking how the electrolytes prepared with this new method maintain their solid-like behavior even at 90 °C. Compared to the single step method, the two-step method produces electrolytes with a phase-separated morphology, which results in higher ionic conductivity.
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