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Gu J, Ma C, Dong C, Shen C, Ji J, Zhou C, Xu X, Mai L. A Homogeneous Janus Membrane Based on Functionalized MOFs Crosslinked by Aramid Nanofibers for Quasi-Solid-State Lithium Sulfur Batteries. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024:e2403882. [PMID: 39194489 DOI: 10.1002/smll.202403882] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/16/2024] [Revised: 08/01/2024] [Indexed: 08/29/2024]
Abstract
Lithium-sulfur batteries (LSBs) are considered as promising candidates in the next generation of high energy density devices. However, the serious shuttle effect, irreversible dendrite growth of Li metal anode, and the potential safety hazard impede the practical application of LSBs. Herein, a novel homogeneous Janus membrane based on functionalized MOFs crosslinked by aramid nanofibers is designed and synthesized to simultaneously solve the above challenges in quasi-solid-state LSBs. The aramid nanofibers with good mechanical properties and thermal stability act as a homogeneous scaffold to crosslink the MOF particles with different ligands on both sides and this Janus membrane upgrades the stability and safety on both the cathode and anode. Specifically, the amino ligand-decorated MOFs contribute to homogenize Li-ion flux and stabilize the lithium anode, and the sulfonic ligand-decorated MOFs effectively suppress the shuttle effect by the dual effects of chemical adsorption and electrostatic repulsion. The quasi-solid-state LSBs assembled with this homogeneous Janus membrane deliver excellent rate performance and cycling stability. Moreover, it exhibits a high initial capacity of 923.4 mAh g-1 at 1 C at 70 °C, and 697.3 mAh g-1 is retained after 100 cycles, indicating great potential for its application in high-safety LSBs.
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Affiliation(s)
- Jiapei Gu
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, International School of Materials Science and Engineering, Wuhan University of Technology, Wuhan, Hubei, 430070, P. R. China
| | - Changning Ma
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, International School of Materials Science and Engineering, Wuhan University of Technology, Wuhan, Hubei, 430070, P. R. China
| | - Chenxu Dong
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, International School of Materials Science and Engineering, Wuhan University of Technology, Wuhan, Hubei, 430070, P. R. China
| | - Chunli Shen
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, International School of Materials Science and Engineering, Wuhan University of Technology, Wuhan, Hubei, 430070, P. R. China
| | - Juan Ji
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, International School of Materials Science and Engineering, Wuhan University of Technology, Wuhan, Hubei, 430070, P. R. China
| | - Cheng Zhou
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, International School of Materials Science and Engineering, Wuhan University of Technology, Wuhan, Hubei, 430070, P. R. China
| | - Xu Xu
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, International School of Materials Science and Engineering, Wuhan University of Technology, Wuhan, Hubei, 430070, P. R. China
| | - Liqiang Mai
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, International School of Materials Science and Engineering, Wuhan University of Technology, Wuhan, Hubei, 430070, P. R. China
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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: 2] [Impact Index Per Article: 2.0] [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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Chen X, Cao H, He Y, Zhou Q, Li Z, Wang W, He Y, Tao G, Hou C. Advanced functional nanofibers: strategies to improve performance and expand functions. FRONTIERS OF OPTOELECTRONICS 2022; 15:50. [PMID: 36567731 PMCID: PMC9761053 DOI: 10.1007/s12200-022-00051-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 05/30/2022] [Accepted: 09/06/2022] [Indexed: 05/07/2023]
Abstract
Nanofibers have a wide range of applications in many fields such as energy generation and storage, environmental sensing and treatment, biomedical and health, thanks to their large specific surface area, excellent flexibility, and superior mechanical properties. With the expansion of application fields and the upgrade of application requirements, there is an inevitable trend of improving the performance and functions of nanofibers. Over the past few decades, numerous studies have demonstrated how nanofibers can be adapted to more complex needs through modifications of their structures, materials, and assembly. Thus, it is necessary to systematically review the field of nanofibers in which new ideas and technologies are emerging. Here we summarize the recent advanced strategies to improve the performances and expand the functions of nanofibers. We first introduce the common methods of preparing nanofibers, then summarize the advances in the field of nanofibers, especially up-to-date strategies for further enhancing their functionalities. We classify these strategies into three categories: design of nanofiber structures, tuning of nanofiber materials, and improvement of nanofibers assemblies. Finally, the optimization methods, materials, application areas, and fabrication methods are summarized, and existing challenges and future research directions are discussed. We hope this review can provide useful guidance for subsequent related work. Graphical abstract
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Affiliation(s)
- Xinyu Chen
- School of Optical and Electronic Information, Huazhong University of Science and Technology, Wuhan, 430074 China
| | - Honghao Cao
- School of Optical and Electronic Information, Huazhong University of Science and Technology, Wuhan, 430074 China
- Department of Electrical Engineering and Computer Science, Massachusetts Institute of Technology, Cambridge, 02139 USA
| | - Yue He
- School of Optical and Electronic Information, Huazhong University of Science and Technology, Wuhan, 430074 China
| | - Qili Zhou
- School of Optical and Electronic Information, Huazhong University of Science and Technology, Wuhan, 430074 China
| | - Zhangcheng Li
- School of Optical and Electronic Information, Huazhong University of Science and Technology, Wuhan, 430074 China
| | - Wen Wang
- School of Optical and Electronic Information, Huazhong University of Science and Technology, Wuhan, 430074 China
| | - Yu He
- School of Optical and Electronic Information, Huazhong University of Science and Technology, Wuhan, 430074 China
| | - Guangming Tao
- Wuhan National Laboratory for Optoelectronics, Huazhong University of Science and Technology, Wuhan, 430074 China
- State Key Laboratory of Materials Processing and Die and Mould Technology, School of Materials Science and Engineering, Huazhong University of Science and Technology, Wuhan, 430074 China
| | - Chong Hou
- School of Optical and Electronic Information, Huazhong University of Science and Technology, Wuhan, 430074 China
- Wuhan National Laboratory for Optoelectronics, Huazhong University of Science and Technology, Wuhan, 430074 China
- Research Institute of Huazhong University of Science and Technology in Shenzhen, Shenzhen, 518063 China
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Yang Y, Mu P, Li B, Li A, Zhang J. In Situ Separator Modification with an N-Rich Conjugated Microporous Polymer for the Effective Suppression of Polysulfide Shuttle and Li Dendrite Growth. ACS APPLIED MATERIALS & INTERFACES 2022; 14:49224-49232. [PMID: 36260419 DOI: 10.1021/acsami.2c15812] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
Lithium-sulfur (Li-S) batteries are very promising high-energy-density electrochemical energy storage devices, but suffer from serious Li polysulfide (LiPS) shuttle and uncontrollable Li dendrite growth. Here, we show in situ polyolefin separator modification with an N-rich conjugated microporous polymer (NCMP) for advanced Li-S battery. In situ polymerization generates an ultrathin NCMP coating on the whole external surface and the internal surface of the separator, which is substantially different from the conventional approaches with thick coatings only on the external surface. The NCMP coating with abundant N-containing groups (-NH2 and -N═), uniform nanopores (12.294 Å), and π-conjugated structure can simultaneously inhibit LiPS shuttle and regulate uniform nucleation and growth of Li dendrites. Consequently, the NCMP-based separator endows the Li-S battery with significantly enhanced cycling stability at high S loading (5.4 mg cm-2), lean electrolyte (E/S = 6.3 μL mg-1), and limited Li excess (50 μm).
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Affiliation(s)
- Yanfei Yang
- Center of Eco-Material and Green Chemistry, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, 730000Lanzhou, P. R. China
| | - Peng Mu
- College of Chemistry and Chemical Engineering, Northwest Normal University, 730070Lanzhou, P. R. China
| | - Bucheng Li
- Center of Eco-Material and Green Chemistry, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, 730000Lanzhou, P. R. China
| | - An Li
- Department of Chemical Engineering, College of Petrochemical Engineering, Lanzhou University of Technology, 730050Lanzhou, P. R. China
| | - Junping Zhang
- Center of Eco-Material and Green Chemistry, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, 730000Lanzhou, P. R. China
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Photo-crosslinked lignin/PAN electrospun separator for safe lithium-ion batteries. Sci Rep 2022; 12:18272. [PMID: 36316362 PMCID: PMC9622728 DOI: 10.1038/s41598-022-23038-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2022] [Accepted: 10/25/2022] [Indexed: 11/07/2022] Open
Abstract
A novel crosslinked electrospun nanofibrous membrane with maleated lignin (ML) and poly(acrylonitrile) (PAN) is presented as a separator for lithium-ion batteries (LIBs). Alkali lignin was treated with an esterification agent of maleic anhydride, resulting in a substantial hydroxyl group conversion to enhance the reactivity and mechanical properties of the final nanofiber membranes. The maleated lignin (ML) was subsequently mixed with UV-curable formulations (up to 30% wt) containing polyethylene glycol diacrylate (PEGDA), hydrolyzed 3-(Trimethoxysilyl)propyl methacrylate (HMEMO) as crosslinkers, and poly(acrylonitrile) (PAN) as a precursor polymer. UV-electrospinning was used to fabricate PAN/ML/HMEMO/PEGDA (PMHP) crosslinked membranes. PMHP membranes made of electrospun nanofibers feature a three-dimensional (3D) porous structure with interconnected voids between the fibers. The mechanical strength of PMHP membranes with a thickness of 25 µm was enhanced by the variation of the cross-linkable formulations. The cell assembled with PMHP2 membrane (20 wt% of ML) showed the maximum ionic conductivity value of 2.79*10-3 S cm-1, which is significantly higher than that of the same cell with the liquid electrolyte and commercial Celgard 2400 (6.5*10-4 S cm-1). The enhanced LIB efficiency with PMHP2 membrane can be attributed to its high porosity, which allows better electrolyte uptake and demonstrates higher ionic conductivity. As a result, the cell assembled with LiFePO4 cathode, Li metal anode, and PMHP2 membrane had a high initial discharge specific capacity of 147 mAh g-1 at 0.1 C and exhibited outstanding rate performance. Also, it effectively limits the formation of Li dendrites over 1000 h. PMHP separators have improved chemical and physical properties, including porosity, thermal, mechanical, and electrochemical characteristics, compared with the commercial ones.
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Polyimide hybrid membranes with graphene oxide for lithium–sulfur battery separator applications. POLYMER 2022. [DOI: 10.1016/j.polymer.2022.125110] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register]
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Li X, Liu K, Dong N, Wang R, Li T, Qi S, Liu B, Wu D. High‐performance polyimide nanofiber membrane for progressive and safe lithium‐ion batteries guarded by zirconia armor layer. ChemElectroChem 2022. [DOI: 10.1002/celc.202200266] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Xiaogang Li
- Beijing University of Chemical Technology materials science and energineering 15 BeiSanhuan East Road, ChaoYang District, Beijing, 100029 Beijing CHINA
| | - Kefan Liu
- Beijing University of Chemical Technology materials science and energineering 15 BeiSanhuan East Road, ChaoYang District, Beijing, 100029 Beijing CHINA
| | - Nanxi Dong
- Beijing University of Chemical Technology materials science and energineering 15 BeiSanhuan East Road, ChaoYang District, Beijing, 100029 Beijing CHINA
| | - Ruihan Wang
- Beijing University of Chemical Technology materials science and energineering 15 BeiSanhuan East Road, ChaoYang District, Beijing, 100029 Beijing CHINA
| | - Tengfei Li
- Beijing University of Chemical Technology materials science and energineering 15 BeiSanhuan East Road, ChaoYang District, Beijing, 100029 Beijing CHINA
| | - Shengli Qi
- Beijing University of Chemical Technology 15 BeiSanhuan East Road, ChaoYang District, Beijing, 100029 Beijing CHINA
| | - Bingxue Liu
- Beijing University of Chemical Technology materials science and energineering 15 BeiSanhuan East Road, ChaoYang District, Beijing, 100029 Beijing CHINA
| | - Dezhen Wu
- Beijing University of Chemical Technology materials science and energineering 15 BeiSanhuan East Road, ChaoYang District, Beijing, 100029 Beijing CHINA
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Kim HS, Kang HJ, Lim H, Hwang HJ, Park JW, Lee TG, Cho SY, Jang SG, Jun YS. Boron Nitride Nanotube-Based Separator for High-Performance Lithium-Sulfur Batteries. NANOMATERIALS 2021; 12:nano12010011. [PMID: 35009960 PMCID: PMC8746311 DOI: 10.3390/nano12010011] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/25/2021] [Revised: 12/16/2021] [Accepted: 12/19/2021] [Indexed: 12/22/2022]
Abstract
To prevent global warming, ESS development is in progress along with the development of electric vehicles and renewable energy. However, the state-of-the-art technology, i.e., lithium-ion batteries, has reached its limitation, and thus the need for high-performance batteries with improved energy and power density is increasing. Lithium-sulfur batteries (LSBs) are attracting enormous attention because of their high theoretical energy density. However, there are technical barriers to its commercialization such as the formation of dendrites on the anode and the shuttle effect of the cathode. To resolve these issues, a boron nitride nanotube (BNNT)-based separator is developed. The BNNT is physically purified so that the purified BNNT (p−BNNT) has a homogeneous pore structure because of random stacking and partial charge on the surface due to the difference of electronegativity between B and N. Compared to the conventional polypropylene (PP) separator, the p−BNNT loaded PP separator prevents the dendrite formation on the Li metal anode, facilitates the ion transfer through the separator, and alleviates the shuttle effect at the cathode. With these effects, the p−BNNT loaded PP separators enable the LSB cells to achieve a specific capacity of 1429 mAh/g, and long-term stability over 200 cycles.
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Affiliation(s)
- Hong-Sik Kim
- School of Chemical Engineering, Chonnam National University, 77 Yongbong-ro, Buk-gu, Gwangju 61186, Korea; (H.-S.K.); (H.J.H.); (J.-W.P.)
| | - Hui-Ju Kang
- Department of Advanced Chemicals & Engineering, Chonnam National University, 77 Yongbong-ro, Buk-gu, Gwangju 61186, Korea; (H.-J.K.); (T.-G.L.)
| | - Hongjin Lim
- Functional Composite Materials Research Center, Institute of Advanced Composites Materials, Korea Institute of Science and Technology, Wanju, Jeonbuk 55324, Korea;
| | - Hyun Jin Hwang
- School of Chemical Engineering, Chonnam National University, 77 Yongbong-ro, Buk-gu, Gwangju 61186, Korea; (H.-S.K.); (H.J.H.); (J.-W.P.)
| | - Jae-Woo Park
- School of Chemical Engineering, Chonnam National University, 77 Yongbong-ro, Buk-gu, Gwangju 61186, Korea; (H.-S.K.); (H.J.H.); (J.-W.P.)
| | - Tae-Gyu Lee
- Department of Advanced Chemicals & Engineering, Chonnam National University, 77 Yongbong-ro, Buk-gu, Gwangju 61186, Korea; (H.-J.K.); (T.-G.L.)
| | - Sung Yong Cho
- Department of Environment and Energy Engineering, Chonnam National University, 77 Yongbong-ro, Buk-gu, Gwangju 61186, Korea
- Correspondence: (S.Y.C.); (S.G.J.); (Y.-S.J.); Tel.: +82-(63)-530-1862 (S.Y.C.); +82-(63)-219-8167 (S.G.J.); +82-(62)-530-1812 (Y.-S.J.)
| | - Se Gyu Jang
- Functional Composite Materials Research Center, Institute of Advanced Composites Materials, Korea Institute of Science and Technology, Wanju, Jeonbuk 55324, Korea;
- Correspondence: (S.Y.C.); (S.G.J.); (Y.-S.J.); Tel.: +82-(63)-530-1862 (S.Y.C.); +82-(63)-219-8167 (S.G.J.); +82-(62)-530-1812 (Y.-S.J.)
| | - Young-Si Jun
- School of Chemical Engineering, Chonnam National University, 77 Yongbong-ro, Buk-gu, Gwangju 61186, Korea; (H.-S.K.); (H.J.H.); (J.-W.P.)
- Department of Advanced Chemicals & Engineering, Chonnam National University, 77 Yongbong-ro, Buk-gu, Gwangju 61186, Korea; (H.-J.K.); (T.-G.L.)
- Correspondence: (S.Y.C.); (S.G.J.); (Y.-S.J.); Tel.: +82-(63)-530-1862 (S.Y.C.); +82-(63)-219-8167 (S.G.J.); +82-(62)-530-1812 (Y.-S.J.)
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Liu X, Wang S, Duan H, Deng Y, Chen G. A thin and multifunctional CoS@g-C 3N 4/Ketjen black interlayer deposited on polypropylene separator for boosting the performance of lithium-sulfur batteries. J Colloid Interface Sci 2021; 608:470-481. [PMID: 34628315 DOI: 10.1016/j.jcis.2021.09.122] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2021] [Revised: 09/17/2021] [Accepted: 09/20/2021] [Indexed: 12/14/2022]
Abstract
The sluggish redox kinetic and shuttle effect of polysulfides still obstruct the commercial application of lithium-sulfur (Li-S) batteries. Herein, a nanocomposite consisting of well-dispersed and lamellar-like shape CoS anchored on g-C3N4 nanosheets (CoS@g-C3N4) is prepared firstly, and then it is integrated on a polypropylene membrane combined with little conductive Ketjen black (KB) to fabricate a multifunctional and quite thin interlayer, with a thickness of only ∼ 2.1 um and areal mass loading of ∼ 0.07 mg·cm-2. The as-prepared interlayer firstly can capture polysulfides by Li-N bond as well as Lewis acid-base interaction between CoS and polysulfide anions (Sn2-), and more importantly, it also displays a positive effect on catalyzing the redox conversion of intermediate polysulfides. As expected, a Li-S cell assembled with this modified separator and high sulfur content cathode displays an excellent electrochemical performance, with specific capacity of ∼ 1290 mAh g-1 at 0.2C and a low fading rate of 0.03% per cycle after 500 cycles at 1.0C. Furthermore, a high sulfur mass loading of ∼ 4.0 mg·cm-2 electrode paired with this multifunctional separator exhibits a stable specific capacity of ∼ 600 mAh g-1 after 250 cycles under 0.1C. This work can give some guides to rational design a quite thin and light interlayer for improving the utilization of sulfur species, with little damage to the energy density and Li ion transportation in Li-S batteries.
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Affiliation(s)
- Xinye Liu
- The Key Laboratory of Fuel Cell Technology of Guangdong Province, School of Chemistry and Chemical Engineering, South China University of Technology, Guangzhou, China
| | - Shanxing Wang
- The Key Laboratory of Fuel Cell Technology of Guangdong Province, School of Chemistry and Chemical Engineering, South China University of Technology, Guangzhou, China
| | - Huanhuan Duan
- The Key Laboratory of Fuel Cell Technology of Guangdong Province, School of Chemistry and Chemical Engineering, South China University of Technology, Guangzhou, China
| | - Yuanfu Deng
- The Key Laboratory of Fuel Cell Technology of Guangdong Province, School of Chemistry and Chemical Engineering, South China University of Technology, Guangzhou, China; Electrochemical Energy Engineering Research Center of Guangdong Province, South China University of Technology, Guangzhou 510640, China.
| | - Guohua Chen
- Department of Mechanical Engineering, The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong, China
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Chi H, Xu Z, Wei Z, Zhang T, Wang H, Lin T, Zhao Y. Fabrics with Novel Air-Oil Amphibious, Spontaneous One-Way Water-Transport Capability for Oil/Water Separation. ACS APPLIED MATERIALS & INTERFACES 2021; 13:29150-29157. [PMID: 34101407 DOI: 10.1021/acsami.1c06489] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Porous media with directional water-transport capability have great applications in oil-water separation, moisture-harvesting, microfluidics, and moisture-management textiles. However, the previous directional water-transport materials chiefly work in the air. The materials with directional water-transport capability in the oil phase have been less reported. Here, we fabricated a novel Janus fabric with amphibious directional water-transport capability that can work both in the air and oil phases. It was prepared using dip coating and spraying to develop an oleophobic-hydrophobic to oleophobic-hydrophilic gradient across the thickness of the fabric substrate. The fabric allowed water droplets to rapidly transport from the hydrophobic to the hydrophilic side when the fabric was either in the air environment or fully immersed in oil. However, it hindered water transport in the opposite direction. More importantly, the fabric can overcome gravity to capture water from oil. Such an air-oil amphibious water-transport fabric showed excellent water collecting capability. In oil, it does not require any prewetting or extra pressure to perform directional water transport, which is vital for water-oil separation and microfluidics. Such amphibious directional water-transport function may be useful for the development of smart membranes and directional liquid delivery.
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Affiliation(s)
- Huanjie Chi
- College of Textile and Clothing Engineering, Soochow University, Suzhou 215123, China
| | - Zhiguang Xu
- China-Australia Institute for Advanced Materials and Manufacturing, Jiaxing University, Jiaxing 314001, China
| | - Zhenzhen Wei
- College of Textile and Clothing Engineering, Soochow University, Suzhou 215123, China
| | - Tao Zhang
- College of Textile and Clothing Engineering, Soochow University, Suzhou 215123, China
| | - Hongxia Wang
- Institute for Frontier Materials, Deakin University, Geelong, Victoria 3216, Australia
| | - Tong Lin
- Institute for Frontier Materials, Deakin University, Geelong, Victoria 3216, Australia
| | - Yan Zhao
- College of Textile and Clothing Engineering, Soochow University, Suzhou 215123, China
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11
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Deng X, Li Y, Li L, Qiao S, Lei D, Shi X, Zhang F. Sulfonated covalent organic framework modified separators suppress the shuttle effect in lithium-sulfur batteries. NANOTECHNOLOGY 2021; 32:275708. [PMID: 33765671 DOI: 10.1088/1361-6528/abf211] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/30/2020] [Accepted: 03/24/2021] [Indexed: 06/12/2023]
Abstract
Lithium-sulfur batteries (LSBs) have gained intense research enthusiasm due to their high energy density. Nevertheless, the 'shuttle effect' of soluble polysulfide (a discharge product) reduces their cycling stability and capacity, thus restricting their practical application. To tackle this challenging issue, we herein report a sulfonated covalent organic framework modified separator (SCOF-Celgard) that alleviates the shuttling of polysulfide anions and accelerates the migration of Li+ions. Specifically, the negatively charged sulfonate can inhibit the same charged polysulfide anion through electrostatic repulsion, thereby improving the cycle stability of the battery and preventing the Li-anode from being corroded. Meanwhile, the sulfonate groups may facilitate the positively charged lithium ions to pass through the separator. Consequently, the battery assembled with the SCOF-Celgard separator exhibits an 81.1% capacity retention after 120 cycles at 0.5 C, which is far superior to that (55.7%) of the battery with a Celgard separator. It has a low capacity degradation of 0.067% per cycle after 600 cycles at 1 C, and a high discharge capacity (576 mAh g-1) even at 2 C. Our work proves that the modification of a separator with a SCOF is a viable and effective route for enhancing the electrochemical performance of a LSB.
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Affiliation(s)
- Xiaoyu Deng
- School of Chemical Engineering, Dalian University of Technology, Panjin 124221, People's Republic of China
- State Key Laboratory of Fine Chemicals, Dalian University of Technology, Dalian 116024, People's Republic of China
| | - Yongpeng Li
- School of Chemical Engineering, Dalian University of Technology, Panjin 124221, People's Republic of China
- State Key Laboratory of Fine Chemicals, Dalian University of Technology, Dalian 116024, People's Republic of China
| | - Lv Li
- School of Chemical Engineering, Dalian University of Technology, Panjin 124221, People's Republic of China
- State Key Laboratory of Fine Chemicals, Dalian University of Technology, Dalian 116024, People's Republic of China
| | - Shaoming Qiao
- School of Chemical Engineering, Dalian University of Technology, Panjin 124221, People's Republic of China
- State Key Laboratory of Fine Chemicals, Dalian University of Technology, Dalian 116024, People's Republic of China
| | - Da Lei
- School of Chemical Engineering, Dalian University of Technology, Panjin 124221, People's Republic of China
- State Key Laboratory of Fine Chemicals, Dalian University of Technology, Dalian 116024, People's Republic of China
| | - Xiaoshan Shi
- School of Chemical Engineering, Dalian University of Technology, Panjin 124221, People's Republic of China
- State Key Laboratory of Fine Chemicals, Dalian University of Technology, Dalian 116024, People's Republic of China
| | - Fengxiang Zhang
- School of Chemical Engineering, Dalian University of Technology, Panjin 124221, People's Republic of China
- State Key Laboratory of Fine Chemicals, Dalian University of Technology, Dalian 116024, People's Republic of China
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Tan L, Sun Y, Wei C, Tao Y, Tian Y, An Y, Zhang Y, Xiong S, Feng J. Design of Robust, Lithiophilic, and Flexible Inorganic-Polymer Protective Layer by Separator Engineering Enables Dendrite-Free Lithium Metal Batteries with LiNi 0.8 Mn 0.1 Co 0.1 O 2 Cathode. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2021; 17:e2007717. [PMID: 33690967 DOI: 10.1002/smll.202007717] [Citation(s) in RCA: 36] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/08/2020] [Revised: 01/08/2021] [Indexed: 06/12/2023]
Abstract
As a promising candidate for the high energy density cells, the practical application of lithium-metal batteries (LMBs) is still extremely hindered by the uncontrolled growth of lithium (Li) dendrites. Herein, a facile strategy is developed that enables dendrite-free Li deposition by coating highly-lithiophilic amorphous SiO microparticles combined with high-binding polyacrylate acid (SiO@PAA) on polyethylene separators. A lithiated SiO and PAA (lithiated-SiO/PAA) protective layer with synergistic flexible and robust features is formed on the Li metal anode via the in situ reaction to offer outstanding interfacial stability during long-term cycles. By suppressing the formation of dead Li and random Li deposition, reducing the side reaction, and buffering the volume changes during the lithium deposition and dissolution, such a protective layer realizes a dendrite-free morphology of Li metal anode. Furthermore, sufficient ionic conductivity, uniform lithium-ion flux, and interface adaptability is guaranteed by the lithiated-SiO and Li polyacrylate acid. As a result, Li metal anodes display significantly enhanced cycling stability and coulombic efficiency in Li||Li and Cu||Li cells. When the composite separator is applied in a full cell with a carbonate-based electrolyte and LiNi0.8 Mn0.1 Co0.1 O2 cathode, it exhibits three times longer lifespan than control cell at current density of 5 C.
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Affiliation(s)
- 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
| | - Yue Sun
- 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
| | - 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
| | - Yuan Tao
- 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
| | - Yuan Tian
- 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
| | - Yongling An
- 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
| | - Shenglin Xiong
- School of Chemistry, Shandong University, Jinan, 250061, 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
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Mao H, Liu L, Shi L, Wu H, Lang J, Wang K, Zhu T, Gao Y, Sun Z, Zhao J, Gao G, Zhang D, Yan W, Ding S. High loading cotton cellulose-based aerogel self-standing electrode for Li-S batteries. Sci Bull (Beijing) 2020; 65:803-811. [PMID: 36659198 DOI: 10.1016/j.scib.2020.01.021] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2019] [Revised: 01/08/2020] [Accepted: 01/10/2020] [Indexed: 01/21/2023]
Abstract
Lithium-sulfur (Li-S) batteries have attracted considerable attention due to their high energy density (2600 Wh kg-1). However, its commercialization is hindered seriously by the low loading and utilization rate of sulfur cathodes. Herein, we designed the cellulose-based graphene carbon composite aerogel (CCA) self-standing electrode to enhance the performance of Li-S batteries. The CCA contributes to the mass loading and utilization efficiency of sulfur, because of its unique physical structure: low density (0.018 g cm-3), large specific surface area (657.85 m2 g-1), high porosity (96%), and remarkable electrolyte adsorption (42.25 times). Compared to Al (about 49%), the CCA displayed excellent sulfur use efficiency (86%) and could reach to high area capacity of 8.60 mAh cm-2 with 9.11 mg S loading. Meanwhile, the CCA exhibits the excellent potential for pulse sensing applications due to its flexibility and superior sensitivity to electrical response signals.
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Affiliation(s)
- Heng Mao
- Xi'an Key Laboratory of Sustainable Energy Materials Chemistry, State Key Laboratory of Electrical Insulation and Power Equipment, Department of Applied Chemistry, School of Science, Xi'an Jiaotong University, Xi'an 710049, China
| | - Limin Liu
- Xi'an Key Laboratory of Sustainable Energy Materials Chemistry, State Key Laboratory of Electrical Insulation and Power Equipment, Department of Applied Chemistry, School of Science, Xi'an Jiaotong University, Xi'an 710049, China
| | - Lei Shi
- Xi'an Key Laboratory of Sustainable Energy Materials Chemistry, State Key Laboratory of Electrical Insulation and Power Equipment, Department of Applied Chemistry, School of Science, Xi'an Jiaotong University, Xi'an 710049, China
| | - Hu Wu
- Xi'an Key Laboratory of Sustainable Energy Materials Chemistry, State Key Laboratory of Electrical Insulation and Power Equipment, Department of Applied Chemistry, School of Science, Xi'an Jiaotong University, Xi'an 710049, China
| | - Jinxin Lang
- Xi'an Key Laboratory of Sustainable Energy Materials Chemistry, State Key Laboratory of Electrical Insulation and Power Equipment, Department of Applied Chemistry, School of Science, Xi'an Jiaotong University, Xi'an 710049, China
| | - Ke Wang
- Xi'an Key Laboratory of Sustainable Energy Materials Chemistry, State Key Laboratory of Electrical Insulation and Power Equipment, Department of Applied Chemistry, School of Science, Xi'an Jiaotong University, Xi'an 710049, China
| | - Tianxiang Zhu
- Xi'an Key Laboratory of Sustainable Energy Materials Chemistry, State Key Laboratory of Electrical Insulation and Power Equipment, Department of Applied Chemistry, School of Science, Xi'an Jiaotong University, Xi'an 710049, China
| | - Yiyang Gao
- Xi'an Key Laboratory of Sustainable Energy Materials Chemistry, State Key Laboratory of Electrical Insulation and Power Equipment, Department of Applied Chemistry, School of Science, Xi'an Jiaotong University, Xi'an 710049, China
| | - Zehui Sun
- Xi'an Key Laboratory of Sustainable Energy Materials Chemistry, State Key Laboratory of Electrical Insulation and Power Equipment, Department of Applied Chemistry, School of Science, Xi'an Jiaotong University, Xi'an 710049, China
| | - Jing Zhao
- Xi'an Key Laboratory of Sustainable Energy Materials Chemistry, State Key Laboratory of Electrical Insulation and Power Equipment, Department of Applied Chemistry, School of Science, Xi'an Jiaotong University, Xi'an 710049, China
| | - Guoxin Gao
- Xi'an Key Laboratory of Sustainable Energy Materials Chemistry, State Key Laboratory of Electrical Insulation and Power Equipment, Department of Applied Chemistry, School of Science, Xi'an Jiaotong University, Xi'an 710049, China
| | - Dongyang Zhang
- Xi'an Key Laboratory of Sustainable Energy Materials Chemistry, State Key Laboratory of Electrical Insulation and Power Equipment, Department of Applied Chemistry, School of Science, Xi'an Jiaotong University, Xi'an 710049, China
| | - Wei Yan
- Department of Environmental Science and Engineering, State Key Laboratory of Multiphase Flow in Power Engineering, Xi'an Jiaotong University, Xi'an 710049, China
| | - Shujiang Ding
- Xi'an Key Laboratory of Sustainable Energy Materials Chemistry, State Key Laboratory of Electrical Insulation and Power Equipment, Department of Applied Chemistry, School of Science, Xi'an Jiaotong University, Xi'an 710049, China.
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Polyimide-Coated Glass Microfiber as Polysulfide Perm-Selective Separator for High-Performance Lithium-Sulphur Batteries. NANOMATERIALS 2019; 9:nano9111612. [PMID: 31766243 PMCID: PMC6915437 DOI: 10.3390/nano9111612] [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: 10/22/2019] [Revised: 11/08/2019] [Accepted: 11/09/2019] [Indexed: 11/16/2022]
Abstract
Although numerous research efforts have been made for the last two decades, the chronic problems of lithium-sulphur batteries (LSBs), i.e., polysulfide shuttling of active sulphur material and surface passivation of the lithium metal anode, still impede their practical application. In order to mitigate these issues, we utilized polyimide functionalized glass microfibers (PI-GF) as a functional separator. The water-soluble precursor enabled the formation of a homogenous thin coating on the surface of the glass microfiber (GF) membrane with the potential to scale and fine-tune: the PI-GF was prepared by simple dipping of commercial GF into an aqueous solution of poly(amic acid), (PAA), followed by thermal imidization. We found that a tiny amount of polyimide (PI) of 0.5 wt.% is more than enough to endow the GF separator with useful capabilities, both retarding polysulfide migration. Combined with a free-standing microporous carbon cloth-sulphur composite cathode, the PI-GF-based LSB cell exhibits a stable cycling over 120 cycles at a current density of 1 mA/cm2 and an areal sulphur loading of 2 mgS/cm2 with only a marginal capacity loss of 0.099%/cycle. This corresponds to an improvement in cycle stability by 200%, specific capacity by 16.4%, and capacity loss per cycle by 45% as compared to those of the cell without PI coating. Our study revealed that a simple but synergistic combination of porous carbon supporting material and functional separator enabled us to achieve high-performance LSBs, but could also pave the way for the development of practical LSBs using the commercially viable method without using complicated synthesis or harmful and expensive chemicals.
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