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Kiai MS, Ponnada S, Eroglu O, Mansoor M, Aslfattahi N, Nguyen V, Gadkari S, Sharma RK. Ti 3C 2T x nanosheet@Cu/Fe-MOF separators for high-performance lithium-sulfur batteries: an experimental and density functional theory study. Dalton Trans 2023; 53:82-92. [PMID: 38037690 DOI: 10.1039/d3dt03134a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/02/2023]
Abstract
Lithium-sulfur (Li-S) batteries have attracted much attention due to their superior theoretical specific capacity and high theoretical energy density. However, rapid capacity fading originating from the shuttle effect, insulating the S cathode and the dendrite formation on the Li anode restrict the practical applications of Li-S batteries. Herein, we suggest novel coatings on glass fiber separators to satisfy all high-performance Li-S battery requirements. A conductive Ti3C2Tx (MXene) nanosheet/Fe-MOF or Ti3C2Tx (MXene) nanosheet/Cu-MOF layer was coated on a glass fiber separator to act as a polysulfide trapping layer. The MXene layer with high conductivity and polar surface functional groups could confine polysulfides and accelerate the redox conversions. The porous MOF layer acts as a Li ion sieve, thereby leading to the interception of polysulfides and mitigation of Li dendrite growth. The cells with the Cu-MOF/MXenes and Fe-MOF/MXene separators display superior capacities of 1100 and 1131 mA h g-1 after 300 cycles, respectively, whereas the cell with a pure glass fiber separator delivers a very low capacity of 309 mA h g-1 after 300 cycles. With Fe-MOF/MXene and Cu-MOF/MXene configurations, the discharge capacity, coulombic efficiency, cycling stability, and electrochemical conversion reactions are significantly improved. Our ab initio calculations demonstrate that the MXene layer dissociates lithium polysulfides into adsorbed S and mobile Li ions, which explains the experimental findings.
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Affiliation(s)
- Maryam Sadat Kiai
- Center for BioNano Interactions, School of Chemistry, University College of Dublin, Belfield, Dublin 4, Ireland.
| | - Srikanth Ponnada
- Chemical and Biological Engineering Department, Colorado School of Mines, Golden, CO, 80401, USA.
- Sustainable Materials and Catalysis Research Laboratory (SMCRL), Department of Chemistry, Indian Institute of Technology Jodhpur, Karwad, Jodhpur-342037, India.
| | - Omer Eroglu
- Materials Science and Engineering, Istanbul Technical University, Istanbul, 34469, Turkey
| | - Mubashir Mansoor
- Metallurgical and Materials Engineering Department, Istanbul Technical University, Istanbul, Turkey
- Department of Applied Physics, Istanbul Technical University, Istanbul, Turkey
| | - Navid Aslfattahi
- Department of Fluid Mechanics and Thermodynamics, Faculty of Mechanical Engineering, Czech Technical University in Prague, Prague 166 07, Czech Republic
| | - Vinh Nguyen
- TDA Research Inc, 4663 Table Mountain Dr, Golden, CO 80403, USA
| | - Siddarth Gadkari
- School of Chemistry and Chemical Engineering, Faculty of Engineering and Physical Sciences, University of Surrey, Guildford, GU2 7XH, UK
| | - Rakesh K Sharma
- Sustainable Materials and Catalysis Research Laboratory (SMCRL), Department of Chemistry, Indian Institute of Technology Jodhpur, Karwad, Jodhpur-342037, India.
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Zhu Y, Chen Z, Chen H, Fu X, Awuye DE, Yin X, Zhao Y. Breaking the Barrier: Strategies for Mitigating Shuttle Effect in Lithium-Sulfur Batteries Using Advanced Separators. Polymers (Basel) 2023; 15:3955. [PMID: 37836004 PMCID: PMC10575298 DOI: 10.3390/polym15193955] [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: 09/04/2023] [Revised: 09/27/2023] [Accepted: 09/27/2023] [Indexed: 10/15/2023] Open
Abstract
Lithium-sulfur (Li-S) batteries are considered one of the most promising energy storage systems due to their high theoretical capacity, high theoretical capacity density, and low cost. However, challenges such as poor conductivity of sulfur (S) elements in active materials, the "shuttle effect" caused by lithium polysulfide, and the growth of lithium dendrites impede the commercial development of Li-S batteries. As a crucial component of the battery, the separator plays a vital role in mitigating the shuttle effect caused by polysulfide. Traditional polypropylene, polyethylene, and polyimide separators are constrained by their inherent limitations, rendering them unsuitable for direct application in lithium-sulfur batteries. Therefore, there is an urgent need for the development of novel separators. This review summarizes the applications of different separator preparation methods and separator modification methods in lithium-sulfur batteries and analyzes their electrochemical performance.
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Affiliation(s)
- Yingbao Zhu
- School of Mechanical and Power Engineering, Nanjing Tech University, Nanjing 211800, China; (Y.Z.); (X.Y.); (Y.Z.)
| | - Zhou Chen
- School of Mechanical and Power Engineering, Nanjing Tech University, Nanjing 211800, China; (Y.Z.); (X.Y.); (Y.Z.)
| | - Hui Chen
- Jiangsu Zhongneng Polysilicon Technology Development Co., Ltd., Xuzhou 221000, China; (H.C.); (X.F.)
| | - Xuguang Fu
- Jiangsu Zhongneng Polysilicon Technology Development Co., Ltd., Xuzhou 221000, China; (H.C.); (X.F.)
| | - Desire Emefa Awuye
- Department of Minerals and Materials Engineering, University of Mines and Technology, Tarkwa 03123, Ghana;
| | - Xichen Yin
- School of Mechanical and Power Engineering, Nanjing Tech University, Nanjing 211800, China; (Y.Z.); (X.Y.); (Y.Z.)
| | - Yixuan Zhao
- School of Mechanical and Power Engineering, Nanjing Tech University, Nanjing 211800, China; (Y.Z.); (X.Y.); (Y.Z.)
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Chiu LL, Chung SH. Electrochemically Stable Rechargeable Lithium–Sulfur Batteries Equipped with an Electrospun Polyacrylonitrile Nanofiber Film. Polymers (Basel) 2023; 15:polym15061460. [PMID: 36987242 PMCID: PMC10057069 DOI: 10.3390/polym15061460] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2023] [Revised: 03/14/2023] [Accepted: 03/14/2023] [Indexed: 03/17/2023] Open
Abstract
The high theoretical charge-storage capacity and energy density of lithium–sulfur batteries make them a promising next-generation energy-storage system. However, liquid polysulfides are highly soluble in the electrolytes used in lithium–sulfur batteries, which results in irreversible loss of their active materials and rapid capacity degradation. In this study, we adopt the widely applied electrospinning method to fabricate an electrospun polyacrylonitrile film containing non-nanoporous fibers bearing continuous electrolyte tunnels and demonstrate that this serves as an effective separator in lithium–sulfur batteries. This polyacrylonitrile film exhibits high mechanical strength and supports a stable lithium stripping and plating reaction that persists for 1000 h, thereby protecting a lithium-metal electrode. The polyacrylonitrile film also enables a polysulfide cathode to attain high sulfur loadings (4–16 mg cm−2) and superior performance from C/20 to 1C with a long cycle life (200 cycles). The high reaction capability and stability of the polysulfide cathode result from the high polysulfide retention and smooth lithium-ion diffusion of the polyacrylonitrile film, which endows the lithium–sulfur cells with high areal capacities (7.0–8.6 mA·h cm−2) and energy densities (14.7–18.1 mW·h cm−2).
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Affiliation(s)
- Li-Ling Chiu
- Department of Materials Science and Engineering, National Cheng Kung University, No. 1, University Road, Tainan City 70101, Taiwan
| | - Sheng-Heng Chung
- Department of Materials Science and Engineering, National Cheng Kung University, No. 1, University Road, Tainan City 70101, Taiwan
- Hierarchical Green-Energy Materials Research Center, National Cheng Kung University, No. 1, University Road, Tainan City 70101, Taiwan
- Correspondence:
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Kim A, Dash JK, Patel R. Recent Development in Novel Lithium-Sulfur Nanofiber Separators: A Review of the Latest Fabrication and Performance Optimizations. MEMBRANES 2023; 13:183. [PMID: 36837686 PMCID: PMC9962122 DOI: 10.3390/membranes13020183] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/27/2022] [Revised: 01/18/2023] [Accepted: 01/21/2023] [Indexed: 06/18/2023]
Abstract
Lithium-Sulfur batteries (LSBs) are one of the most promising next-generation batteries to replace Li-ion batteries that power everything from small portable devices to large electric vehicles. LSBs boast a nearly five times higher theoretical capacity than Li-ion batteries due to sulfur's high theoretical capacity, and LSBs use abundant sulfur instead of rare metals as their cathodes. In order to make LSBs commercially viable, an LSB's separator must permit fast Li-ion diffusion while suppressing the migration of soluble lithium polysulfides (LiPSs). Polyolefin separators (commonly used in Li-ion batteries) fail to block LiPSs, have low thermal stability, poor mechanical strength, and weak electrolyte affinity. Novel nanofiber (NF) separators address the aforementioned shortcomings of polyolefin separators with intrinsically superior properties. Moreover, NF separators can easily be produced in large volumes, fine-tuned via facile electrospinning techniques, and modified with various additives. This review discusses the design principles and performance of LSBs with exemplary NF separators. The benefits of using various polymers and the effects of different polymer modifications are analyzed. We also discuss the conversion of polymer NFs into carbon NFs (CNFs) and their effects on rate capability and thermal stability. Finally, common and promising modifiers for NF separators, including carbon, metal oxide, and metal-organic framework (MOF), are examined. We highlight the underlying properties of the composite NF separators that enhance the capacity, cyclability, and resilience of LSBs.
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Affiliation(s)
- Andrew Kim
- Department of Chemical Engineering, The Cooper Union for the Advancement of Science and Art, New York, NY 10003, USA
| | - Jatis Kumar Dash
- Department of Physics, SRM University-AP, Amaravati 522502, India
| | - Rajkumar Patel
- Energy and Environmental Science and Engineering (EESE), Integrated Science and Engineering Division (ISED), Underwood International College, Yonsei University, 85 Songdogwahak-ro, Yeonsu-gu, Incheon 21983, Republic of Korea
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Zhang P, Yue L, Liang Q, Gao H, Yan Q, Wang L. A Review of Transition Metal Compounds as Functional Separators for Lithium‐Sulfur Batteries. ChemistrySelect 2023. [DOI: 10.1002/slct.202203352] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Affiliation(s)
- Peng Zhang
- Product Engineering Department Wuhan Branch of SAIC-GM Co., Ltd. Wuhan 430200 P. R. China
| | - Liangliang Yue
- Product Engineering Department Pan Asia Technical Automotive Center Co., Ltd. Wuhan 430200 P. R. China
| | - Qiuyang Liang
- Product Engineering Department Wuhan Branch of SAIC-GM Co., Ltd. Wuhan 430200 P. R. China
| | - Heng Gao
- Product Engineering Department Wuhan Branch of SAIC-GM Co., Ltd. Wuhan 430200 P. R. China
| | - Qiong Yan
- Product Engineering Department Wuhan Branch of SAIC-GM Co., Ltd. Wuhan 430200 P. R. China
| | - Li Wang
- Product Engineering Department Wuhan Branch of SAIC-GM Co., Ltd. Wuhan 430200 P. R. China
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Bharti VK, Pathak AD, Sharma CS, Khandelwal M. Flexible and free-standing bacterial cellulose derived cathode host and separator for lithium-sulfur batteries. Carbohydr Polym 2022; 293:119731. [DOI: 10.1016/j.carbpol.2022.119731] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2022] [Revised: 05/18/2022] [Accepted: 06/09/2022] [Indexed: 11/26/2022]
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