1
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Zhe R, Dou H, Xu X, Zhao Z, Chen L, Zhao Q, Bao X, Cao G, Wang HE. rGO@TiO 2-x Schottky heterojunction for enhanced bidirectional catalysis in polysulfide conversion. J Colloid Interface Sci 2024; 671:564-576. [PMID: 38820841 DOI: 10.1016/j.jcis.2024.05.199] [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: 04/14/2024] [Revised: 05/07/2024] [Accepted: 05/26/2024] [Indexed: 06/02/2024]
Abstract
The shuttling and sluggish conversion kinetics of lithium polysulfides (LiPSs) lead to poor cycling performance and low energy efficiency in lithium-sulfur batteries (LSBs). In this work, a hierarchically structured nanocomposite, synthesized through a surfactant-directed hydrothermal growth following dopamine-protected pyrolysis, serves as a bidirectional catalyst for LSBs. This nanocomposite comprises N-doped reduced graphene oxide (rGO) nanosheets anchored with uniformly distributed TiO2-x nanoparticles via interfacial N-Ti and C-Ti bonding, resulting in the formation of abundant 2D/0D Schottky heterojunctions (rGO/TiO2-x). Density functional theory (DFT) calculations and in situ Raman characterizations demonstrate that rGO/TiO2-x effectively inhibits the shuttling of LiPSs with enhanced redox kinetics, achieving high utilization of the sulfur cathode and improving the overall reversibility. A high areal capacity is attained at a high sulfur loading and a low electrolyte/sulfur ratio. The initial specific capacity reaches 1010 mA h g-1 at a current density of 0.2C (1C = 1675 mA g-1), and a retention of 86.4 % is attained over 100 cycles. A light-emitting diode (LED) screen using two LSBs with rGO/TiO2-x demonstrates their high potential for practical applications.
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Affiliation(s)
- Rongjie Zhe
- College of Physics and Electronic Information, Yunnan Key Laboratory of Optoelectronic Information Technology, Yunnan Normal University, 650500 Kunming, China
| | - Haoyun Dou
- College of Physics and Electronic Information, Yunnan Key Laboratory of Optoelectronic Information Technology, Yunnan Normal University, 650500 Kunming, China
| | - Xuanpan Xu
- College of Physics and Electronic Information, Yunnan Key Laboratory of Optoelectronic Information Technology, Yunnan Normal University, 650500 Kunming, China
| | - Ziwei Zhao
- College of Physics and Electronic Information, Yunnan Key Laboratory of Optoelectronic Information Technology, Yunnan Normal University, 650500 Kunming, China
| | - Long Chen
- College of Physics and Electronic Information, Yunnan Key Laboratory of Optoelectronic Information Technology, Yunnan Normal University, 650500 Kunming, China
| | - Qingye Zhao
- College of Physics and Electronic Information, Yunnan Key Laboratory of Optoelectronic Information Technology, Yunnan Normal University, 650500 Kunming, China
| | - Xinjun Bao
- School of Textile and Fashion, Hunan Institute of Engineering, 411104 Xiangtan, China.
| | - Guozhong Cao
- Department of Materials Science and Engineering, University of Washington, Seattle, USA.
| | - Hong-En Wang
- College of Physics and Electronic Information, Yunnan Key Laboratory of Optoelectronic Information Technology, Yunnan Normal University, 650500 Kunming, China; Key Laboratory of Advanced Technique & Preparation for Renewable Energy Materials, Ministry of Education, Yunnan Normal University, 650500 Kunming, China.
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2
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Fan Q, Zhang J, Fan S, Xi B, Gao Z, Guo X, Duan Z, Zheng X, Liu Y, Xiong S. Advances in Functional Organosulfur-Based Mediators for Regulating Performance of Lithium Metal Batteries. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2024:e2409521. [PMID: 39246200 DOI: 10.1002/adma.202409521] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/03/2024] [Revised: 08/08/2024] [Indexed: 09/10/2024]
Abstract
Rechargeable lithium metal batteries (LMBs) are promising next-generation energy storage systems due to their high theoretical energy density. However, their practical applications are hindered by lithium dendrite growth and various intricate issues associated with the cathodes. These challenges can be mitigated by using organosulfur-based mediators (OSMs), which offer the advantages of abundance, tailorable structures, and unique functional adaptability. These features enable the rational design of targeted functionalities, enhance the interfacial stability of the lithium anode and cathode, and accelerate the redox kinetics of electrodes via alternative reaction pathways, thereby effectively improving the performance of LMBs. Unlike the extensively explored field of organosulfur cathode materials, OSMs have garnered little attention. This review systematically summarizes recent advancements in OSMs for various LMB systems, including lithium-sulfur, lithium-selenium, lithium-oxygen, lithium-intercalation cathode batteries, and other LMB systems. It briefly elucidates the operating principles of these LMB systems, the regulatory mechanisms of the corresponding OSMs, and the fundamentals of OSMs activity. Ultimately, strategic optimizations are proposed for designing novel OSMs, advanced mechanism investigation, expanded applications, and the development of safe battery systems, thereby providing directions to narrow the gap between rational modulation of organosulfur compounds and their practical implementation in batteries.
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Affiliation(s)
- Qianqian Fan
- College of Environmental and Chemical Engineering, Jiangsu University of Science and Technology, Zhenjiang, 212003, P. R. China
| | - Junhao Zhang
- College of Environmental and Chemical Engineering, Jiangsu University of Science and Technology, Zhenjiang, 212003, P. R. China
| | - Siying Fan
- College of Environmental and Chemical Engineering, Jiangsu University of Science and Technology, Zhenjiang, 212003, P. R. China
| | - Baojuan Xi
- College of Chemistry and Chemical Engineering, Shandong University, Jinan, 250100, P. R. China
| | - Zhiyuan Gao
- College of Environmental and Chemical Engineering, Jiangsu University of Science and Technology, Zhenjiang, 212003, P. R. China
| | - Xingmei Guo
- College of Environmental and Chemical Engineering, Jiangsu University of Science and Technology, Zhenjiang, 212003, P. R. China
| | - Zhongyao Duan
- College of Environmental and Chemical Engineering, Jiangsu University of Science and Technology, Zhenjiang, 212003, P. R. China
| | - Xiangjun Zheng
- College of Environmental and Chemical Engineering, Jiangsu University of Science and Technology, Zhenjiang, 212003, P. R. China
| | - Yuanjun Liu
- College of Environmental and Chemical Engineering, Jiangsu University of Science and Technology, Zhenjiang, 212003, P. R. China
| | - Shenglin Xiong
- College of Chemistry and Chemical Engineering, Shandong University, Jinan, 250100, P. R. China
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3
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Dong H, Wang L, Cheng Y, Sun H, You T, Qie J, Li Y, Hua W, Chen K. Flash Joule Heating: A Promising Method for Preparing Heterostructure Catalysts to Inhibit Polysulfide Shuttling in Li-S Batteries. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2024; 11:e2405351. [PMID: 39013082 PMCID: PMC11425280 DOI: 10.1002/advs.202405351] [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: 07/01/2024] [Indexed: 07/18/2024]
Abstract
The "shuttle effect" issue severely hinders the practical application of lithium-sulfur (Li-S) batteries, which is primarily caused by the significant accumulation of lithium polysulfides in the electrolyte. Designing effective catalysts is highly desired for enhancing polysulfide conversion to address the above issue. Here, the one-step flash-Joule-heating route is employed to synthesize a W-W2C heterostructure on the graphene substrate (W-W2C/G) as a catalytic interlayer for this purpose. Theoretical calculations reveal that the work function difference between W (5.08 eV) and W2C (6.31 eV) induces an internal electric field at the heterostructure interface, accelerating the movement of electrons and ions, thus promoting the sulfur reduction reaction (SRR) process. The high catalytic activity is also confirmed by the reduced activation energy and suppressed polysulfide shuttling by in situ Raman analyses. With the W-W2C/G interlayer, the Li-S batteries exhibit an outstanding rate performance (665 mAh g-1 at 5.0 C) and cycle steadily with a low decay rate of 0.06% over 1000 cycles at a high rate of 3.0 C. Moreover, a high areal capacity of 10.9 mAh cm-2 (1381.4 mAh g-1) is obtained with a high area sulfur loading of 7.9 mg cm-2 but a low electrolyte/sulfur ratio of 9.0 µL mg-1.
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Affiliation(s)
- Huiyi Dong
- Center for the Physics of Low‐Dimensional MaterialsHenan Joint International Research Laboratory of New Energy Materials and DevicesSchool of Physics and ElectronicsHenan UniversityKaifeng475004China
| | - Lu Wang
- School of Materials Science and EngineeringShandong UniversityJinan250061China
| | - Yi Cheng
- Center for Nanochemistry, Beijing Science and Engineering Center for Nanocarbons, Beijing National Laboratory for Molecular Sciences, College of Chemistry and Molecular EngineeringPeking UniversityBeijing100871China
| | - Huiyue Sun
- Center for the Physics of Low‐Dimensional MaterialsHenan Joint International Research Laboratory of New Energy Materials and DevicesSchool of Physics and ElectronicsHenan UniversityKaifeng475004China
| | - Tianqi You
- Center for the Physics of Low‐Dimensional MaterialsHenan Joint International Research Laboratory of New Energy Materials and DevicesSchool of Physics and ElectronicsHenan UniversityKaifeng475004China
| | - Jingjing Qie
- Center for the Physics of Low‐Dimensional MaterialsHenan Joint International Research Laboratory of New Energy Materials and DevicesSchool of Physics and ElectronicsHenan UniversityKaifeng475004China
| | - Yifan Li
- Center for the Physics of Low‐Dimensional MaterialsHenan Joint International Research Laboratory of New Energy Materials and DevicesSchool of Physics and ElectronicsHenan UniversityKaifeng475004China
| | - Wuxing Hua
- Center for the Physics of Low‐Dimensional MaterialsHenan Joint International Research Laboratory of New Energy Materials and DevicesSchool of Physics and ElectronicsHenan UniversityKaifeng475004China
| | - Ke Chen
- Center for the Physics of Low‐Dimensional MaterialsHenan Joint International Research Laboratory of New Energy Materials and DevicesSchool of Physics and ElectronicsHenan UniversityKaifeng475004China
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4
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Zuo X, Wang L, Zhen M, You T, Liu D, Zhang Y. Multifunctional TiN-MXene-Co@CNTs Networks as Sulfur/Lithium Host for High-Areal-Capacity Lithium-Sulfur Batteries. Angew Chem Int Ed Engl 2024; 63:e202408026. [PMID: 38867467 DOI: 10.1002/anie.202408026] [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: 04/27/2024] [Revised: 05/30/2024] [Accepted: 06/12/2024] [Indexed: 06/14/2024]
Abstract
The inevitable shuttling and slow redox kinetics of lithium polysulfides (LiPSs) as well as the uncontrolled growth of Li dendrites have strongly limited the practical applications of lithium-sulfur batteries (LSBs). To address these issues, we have innovatively constructed the carbon nanotubes (CNTs) encapsulated Co nanoparticles in situ grown on TiN-MXene nanosheets, denoted as TiN-MXene-Co@CNTs, which could serve simultaneously as both sulfur/Li host to kill "three birds with one stone" to (1) efficiently capture soluble LiPSs and expedite their redox conversion, (2) accelerate nucleation/decomposition of solid Li2S, and (3) induce homogeneous Li deposition. Benefiting from the synergistic effects, the TiN-MXene-Co@CNTs/S cathode with a sulfur loading of 2.5 mg cm-2 could show a high reversible specific capacity of 1129.1 mAh g-1 after 100 cycles at 0.1 C, and ultralong cycle life over 1000 cycles at 1.0 C. More importantly, it even achieves a high areal capacity of 6.3 mAh cm-2 after 50 cycles under a sulfur loading as high as 8.9 mg cm-2 and a low E/S ratio of 5.0 μL mg-1. Besides, TiN-MXene-Co@CNTs as Li host could deliver a stable Li plating/striping behavior over 1000 h.
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Affiliation(s)
- Xintao Zuo
- Key Laboratory of Bio-inspired Smart Interfacial Science and Technology of Ministry of Education Institution, Beihang University, Beijing, 100191, P. R. China
| | - Lufei Wang
- School of Energy and Environmental Engineering Institution, Hebei University of Technology, Tianjin, 300071, P. R. China
| | - Mengmeng Zhen
- School of Energy and Environmental Engineering Institution, Hebei University of Technology, Tianjin, 300071, P. R. China
| | - Tingting You
- Key Laboratory of Bio-inspired Smart Interfacial Science and Technology of Ministry of Education Institution, Beihang University, Beijing, 100191, P. R. China
| | - Dapeng Liu
- Key Laboratory of Bio-inspired Smart Interfacial Science and Technology of Ministry of Education Institution, Beihang University, Beijing, 100191, P. R. China
| | - Yu Zhang
- Key Laboratory of Bio-inspired Smart Interfacial Science and Technology of Ministry of Education Institution, Beihang University, Beijing, 100191, P. R. China
- Beijing Advanced Innovation Center for Biomedical Engineering, Beihang University, Beijing, 100191, P. R. China
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5
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Yu J, Huang C, Usoltsev O, Black AP, Gupta K, Spadaro MC, Pinto-Huguet I, Botifoll M, Li C, Herrero-Martín J, Zhou J, Ponrouch A, Zhao R, Balcells L, Zhang CY, Cabot A, Arbiol J. Promoting Polysulfide Redox Reactions through Electronic Spin Manipulation. ACS NANO 2024; 18:19268-19282. [PMID: 38981060 PMCID: PMC11271176 DOI: 10.1021/acsnano.4c05278] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/22/2024] [Revised: 06/25/2024] [Accepted: 06/27/2024] [Indexed: 07/11/2024]
Abstract
Catalytic additives able to accelerate the lithium-sulfur redox reaction are a key component of sulfur cathodes in lithium-sulfur batteries (LSBs). Their design focuses on optimizing the charge distribution within the energy spectra, which involves refinement of the distribution and occupancy of the electronic density of states. Herein, beyond charge distribution, we explore the role of the electronic spin configuration on the polysulfide adsorption properties and catalytic activity of the additive. We showcase the importance of this electronic parameter by generating spin polarization through a defect engineering approach based on the introduction of Co vacancies on the surface of CoSe nanosheets. We show vacancies change the electron spin state distribution, increasing the number of unpaired electrons with aligned spins. This local electronic rearrangement enhances the polysulfide adsorption, reducing the activation energy of the Li-S redox reactions. As a result, more uniform nucleation and growth of Li2S and an accelerated liquid-solid conversion in LSB cathodes are obtained. These translate into LSB cathodes exhibiting capacities up to 1089 mA h g-1 at 1 C with 0.017% average capacity loss after 1500 cycles, and up to 5.2 mA h cm-2, with 0.16% decay per cycle after 200 cycles in high sulfur loading cells.
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Affiliation(s)
- Jing Yu
- Catalan
Institute of Nanoscience and Nanotechnology (ICN2), CSIC and BIST,
Campus UAB, 08193 Bellaterra, Barcelona, Catalonia, Spain
- Catalonia
Institute for Energy Research (IREC), Sant Adrià de Besòs, Barcelona, 08930 Catalonia, Spain
| | - Chen Huang
- Catalonia
Institute for Energy Research (IREC), Sant Adrià de Besòs, Barcelona, 08930 Catalonia, Spain
- Department
of Chemistry, University of Barcelona, 08028 Barcelona, Catalonia, Spain
| | - Oleg Usoltsev
- ALBA
Synchrotron, 08290 Cerdanyola del Vallès, Barcelona, Catalonia, Spain
| | - Ashley P. Black
- Institut
de Ciència de Materials de Barcelona (ICMAB-CSIC), Campus de la UAB, 08193 Bellaterra, Barcelona, Catalonia, Spain
| | - Kapil Gupta
- Catalan
Institute of Nanoscience and Nanotechnology (ICN2), CSIC and BIST,
Campus UAB, 08193 Bellaterra, Barcelona, Catalonia, Spain
| | - Maria Chiara Spadaro
- Department
of Physics and Astronomy “Ettore Majorana”, University of Catania, via S. Sofia 64, 95123 Catania, Italy
- CNR-IMM, via S. Sofia
64, 95123 Catania, Italy
| | - Ivan Pinto-Huguet
- Catalan
Institute of Nanoscience and Nanotechnology (ICN2), CSIC and BIST,
Campus UAB, 08193 Bellaterra, Barcelona, Catalonia, Spain
| | - Marc Botifoll
- Catalan
Institute of Nanoscience and Nanotechnology (ICN2), CSIC and BIST,
Campus UAB, 08193 Bellaterra, Barcelona, Catalonia, Spain
| | - Canhuang Li
- Catalonia
Institute for Energy Research (IREC), Sant Adrià de Besòs, Barcelona, 08930 Catalonia, Spain
- Department
of Chemistry, University of Barcelona, 08028 Barcelona, Catalonia, Spain
| | | | - Jinyuan Zhou
- Key
Laboratory for Magnetism and Magnetic Materials of the Ministry of
Education & School of Physical Science & Technology, Lanzhou University, 730000 Lanzhou, China
| | - Alexandre Ponrouch
- Institut
de Ciència de Materials de Barcelona (ICMAB-CSIC), Campus de la UAB, 08193 Bellaterra, Barcelona, Catalonia, Spain
| | - Ruirui Zhao
- School
of Chemistry, South China Normal University, 510006 Guangzhou, China
| | - Lluís Balcells
- Institut
de Ciència de Materials de Barcelona (ICMAB-CSIC), Campus de la UAB, 08193 Bellaterra, Barcelona, Catalonia, Spain
| | - Chao Yue Zhang
- Key
Laboratory for Magnetism and Magnetic Materials of the Ministry of
Education & School of Physical Science & Technology, Lanzhou University, 730000 Lanzhou, China
| | - Andreu Cabot
- Catalonia
Institute for Energy Research (IREC), Sant Adrià de Besòs, Barcelona, 08930 Catalonia, Spain
- ICREA, Passeig Lluìs
Companys 23, 08010 Barcelona, Catalonia, Spain
| | - Jordi Arbiol
- Catalan
Institute of Nanoscience and Nanotechnology (ICN2), CSIC and BIST,
Campus UAB, 08193 Bellaterra, Barcelona, Catalonia, Spain
- ICREA, Passeig Lluìs
Companys 23, 08010 Barcelona, Catalonia, Spain
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6
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Chen K, Lin Z, Zhang G, Zheng J, Fan Z, Xiao L, Xu Q, Xu J. Efficient Host Materials for Lithium-Sulfur Batteries: Ultrafine CoP Nanoparticles in Black Phosphorus-Carbon Composite. CHEMSUSCHEM 2024; 17:e202400339. [PMID: 38440923 DOI: 10.1002/cssc.202400339] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/17/2024] [Revised: 03/04/2024] [Accepted: 03/04/2024] [Indexed: 03/06/2024]
Abstract
The pursuit of efficient host materials to address the sluggish redox kinetics of sulfur species has been a longstanding challenge in advancing the practical application of lithium-sulfur batteries. In this study, amorphous carbon layer loaded with ultrafine CoP nanoparticles prepared by a one-step in situ carbonization/phosphating method to enhance the inhibition of 2D black phosphorus (BP) on LiPSs shuttle. The carbon coating layer facilitates accelerated electron/ion transport, enabling the active involvement of BP in the conversion of soluble lithium polysulfides (LiPSs). Concurrently, the ultra-fine CoP nanoparticles enhance the chemical anchoring ability and introduce additional catalytic sites. As a result, S@BP@C-CoP electrodes demonstrate exemplary cycling stability (with a minimal capacity decay of 0.054 % over 500 cycles at 1 C) and superior rate performance (607.1 mAh g-1 at 5 C). Moreover, at a sulfur loading of 5.5 mg cm-2, the electrode maintains an impressive reversible areal capacity of 5.45 mAh cm-2 after 50 cycles at 0.1 C. This research establishes a promising approach, leveraging black phosphorus-based materials, for developing high-efficiency Li-S batteries.
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Affiliation(s)
- Kai Chen
- Department of Physics, Research Institute for Biomimetics and Soft Matter, Fujian Provincial Key Laboratory for Soft Functional Materials, Xiamen University, Xiamen, 361005, China
| | - Zihao Lin
- Institute of Materia Medica & College of Life Science and Technology, Xinjiang University, Urumqi, 830017, China
| | - Guodong Zhang
- Department of Physics, Research Institute for Biomimetics and Soft Matter, Fujian Provincial Key Laboratory for Soft Functional Materials, Xiamen University, Xiamen, 361005, China
| | - Jiangxin Zheng
- Department of Physics, Research Institute for Biomimetics and Soft Matter, Fujian Provincial Key Laboratory for Soft Functional Materials, Xiamen University, Xiamen, 361005, China
| | - Zhongxiong Fan
- Institute of Materia Medica & College of Life Science and Technology, Xinjiang University, Urumqi, 830017, China
| | - Liangping Xiao
- Department of Physics, Research Institute for Biomimetics and Soft Matter, Fujian Provincial Key Laboratory for Soft Functional Materials, Xiamen University, Xiamen, 361005, China
| | - Qingchi Xu
- Department of Physics, Research Institute for Biomimetics and Soft Matter, Fujian Provincial Key Laboratory for Soft Functional Materials, Xiamen University, Xiamen, 361005, China
| | - Jun Xu
- Department of Physics, Research Institute for Biomimetics and Soft Matter, Fujian Provincial Key Laboratory for Soft Functional Materials, Xiamen University, Xiamen, 361005, China
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7
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Wang H, Li N, Sun J, Wang P. Nitrogen-Doped CoP with optimized d-Band center as bidirectional electrocatalyst for high areal capacity of Li-S battery. J Colloid Interface Sci 2024; 665:702-710. [PMID: 38552585 DOI: 10.1016/j.jcis.2024.03.165] [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: 11/07/2023] [Revised: 03/11/2024] [Accepted: 03/25/2024] [Indexed: 04/17/2024]
Abstract
Lithium polysulfide (LiPSs) shuttle effect and difficulties with Li2S oxidation are hinder the marketization of lithium-sulfur batteries. We suggest using a bidirectional catalyst in the sulfur host to solve these problems. We produced a nitrogen-doped cobalt phosphide (N-CoP@NC) as a sulfur carrier in this work. The introduction of nitrogen into cobalt phosphide enhances the electron transmission speed and forms shorter Co-N bonds. As a result, new defect energy levels are introduced, leading to an increase in the charge number of Co central atoms, which abate the Li-S and SS bonds in Li2S and Li2S4, thereby promoting the oxidation of Li2S during charging, as well as the alteration process of LiPSs during charge and discharge. Additionally, the crystal flaws that result in increased Co-S bond formation help to boost polysulfides' adsorption ability. The Li-S batteries shows outstanding cyclability when paired with this electrocatalyst, demonstrating a minimal capacity degradation rate of only 0.07 % per cycle over 500 cycles at a rate of 0.5C. As a result, incorporating anion doping in the host emerges as a promising method for crafting materials tailored for Li-S batteries.
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Affiliation(s)
- Haopeng Wang
- Hebei Key Laboratory of Flexible Functional Materials, School of Materials Science and Engineering, Hebei University of Science and Technology, Shijiazhuang 050000, China
| | - Na Li
- Hebei Key Laboratory of Flexible Functional Materials, School of Materials Science and Engineering, Hebei University of Science and Technology, Shijiazhuang 050000, China.
| | - Jinfeng Sun
- Hebei Key Laboratory of Flexible Functional Materials, School of Materials Science and Engineering, Hebei University of Science and Technology, Shijiazhuang 050000, China
| | - Peng Wang
- Hebei Key Laboratory of Flexible Functional Materials, School of Materials Science and Engineering, Hebei University of Science and Technology, Shijiazhuang 050000, China.
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8
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Liu L, Zheng Y, Sun Y, Pan H. Modulation of Potential-Limiting Steps in Lithium-Sulfur Batteries by Catalyst Synergy. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024; 20:e2309582. [PMID: 38225695 DOI: 10.1002/smll.202309582] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/23/2023] [Revised: 01/03/2024] [Indexed: 01/17/2024]
Abstract
Electrocatalysis is considered to be an effective method to solve the sluggish kinetics of lithium-sulfur batteries. However, a single catalyst cannot simultaneously catalyze multi-step sulfur reductions. And once the catalyst surface is covered by the initially deposited solid products, the subsequent catalytic activity will significantly deteriorate. Here, microporous ZIF-67 and its derivative nano-metallic Co0 are used as dual-catalyst aiming to address these drawbacks. The dual catalytic center effectively cooperates the adsorption and electron transfer for multi-steps of sulfur reductions, transforming the potential-limited step (Li2S4→Li2S2/Li2S) into a thermodynamic spontaneous reaction. ZIF-67 first adsorbs soluble Li2S4 to form a coordination structure of ZIF-Li2S4. Then nano-metallic Co0 attracts uncoordinated S atoms in ZIF-Li2S4 and facilitates the breaking of S-S bonds to form transient reductive ZIF-Li2S2 and Co-S2 via. spontaneous electron transfer. These intermediates facilitate continuous conversion to Li2S with reduced formation energy, which is beneficial to the regeneration of the catalyst. As a result, the cathode with ZIF@CNTs/Co@CNFs synergetic catalyst achieves initial areal capacity of 4.7 mAh cm-2 and maintains 3.5 mAh cm-2 at low electrolyte/sulfur ratio (E/S) of 5 µL mg-1. This study provides valuable guidance for improving the electrochemical performance of lithium-sulfur batteries through catalyst synergistic strategies for multi-step reactions.
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Affiliation(s)
- Liqi Liu
- Department of Chemistry, Zhejiang University, Hangzhou, 310058, China
| | - Yichun Zheng
- School of Materials, Shenzhen Campus of Sun Yat-sen University, Shenzhen, 518107, China
| | - Yang Sun
- School of Materials, Shenzhen Campus of Sun Yat-sen University, Shenzhen, 518107, China
| | - Huilin Pan
- Department of Chemistry, Zhejiang University, Hangzhou, 310058, China
- State Key Laboratory of Clean Energy Utilization, Zhejiang University, Hangzhou, 310012, China
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9
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Liu L, Li B, Wang J, Du H, Du Z, Ai W. Molecular Intercalation Enables Phase Transition of MoSe 2 for Durable Na-Ion Storage. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024; 20:e2309647. [PMID: 38240559 DOI: 10.1002/smll.202309647] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/24/2023] [Revised: 12/15/2023] [Indexed: 06/13/2024]
Abstract
1T-MoSe2 is recognized as a promising anode material for sodium-ion batteries, thanks to its excellent electrical conductivity and large interlayer distance. However, its inherent thermodynamic instability often presents unparalleled challenges in phase control and stabilization. Here, a molecular intercalation strategy is developed to synthesize thermally stable 1T-rich MoSe2, covalently bonded to an intercalated carbon layer (1TR/2H-MoSe2@C). Density functional theory calculations uncover that the introduced ethylene glycol molecules not only serve as electron donors, inducing a reorganization of Mo 4d orbitals, but also as sacrificial guest materials that generate a conductive carbon layer. Furthermore, the C─Se/C─O─Mo bonds encourage strong interfacial electronic coupling, and the carbon layer prevents the restacking of MoSe2, regulating the maximum 1T phase to an impressive 80.3%. Consequently, the 1TR/2H-MoSe2@C exhibits an extraordinary rate capacity of 326 mAh g-1 at 5 A g-1 and maintains a long-term cycle stability up to 1500 cycles, with a capacity of 365 mAh g-1 at 2 A g-1. Additionally, the full cell delivers an appealing energy output of 194 Wh kg-1 at 208 W kg-1, with a capacity retention of 87.3% over 200 cycles. These findings contribute valuable insights toward the development of innovative transition metal dichalcogenides for next-generation energy storage technologies.
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Affiliation(s)
- Lei Liu
- Frontiers Science Center for Flexible Electronics (FSCFE) & Shaanxi Institute of Flexible Electronics (SIFE), Northwestern Polytechnical University (NPU), 127 West Youyi Road, Xi'an, 710072, China
| | - Boxin Li
- Frontiers Science Center for Flexible Electronics (FSCFE) & Shaanxi Institute of Flexible Electronics (SIFE), Northwestern Polytechnical University (NPU), 127 West Youyi Road, Xi'an, 710072, China
| | - Jiaqi Wang
- Frontiers Science Center for Flexible Electronics (FSCFE) & Shaanxi Institute of Flexible Electronics (SIFE), Northwestern Polytechnical University (NPU), 127 West Youyi Road, Xi'an, 710072, China
| | - Hongfang Du
- Frontiers Science Center for Flexible Electronics (FSCFE) & Shaanxi Institute of Flexible Electronics (SIFE), Northwestern Polytechnical University (NPU), 127 West Youyi Road, Xi'an, 710072, China
- Fujian Cross Strait Institute of Flexible Electronics (Future Technologies), Fujian Normal University, Fuzhou, 350117, China
| | - Zhuzhu Du
- Frontiers Science Center for Flexible Electronics (FSCFE) & Shaanxi Institute of Flexible Electronics (SIFE), Northwestern Polytechnical University (NPU), 127 West Youyi Road, Xi'an, 710072, China
| | - Wei Ai
- Frontiers Science Center for Flexible Electronics (FSCFE) & Shaanxi Institute of Flexible Electronics (SIFE), Northwestern Polytechnical University (NPU), 127 West Youyi Road, Xi'an, 710072, China
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10
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Huo X, Gong X, Liu Y, Yan Y, Du Z, Ai W. Conformal 3D Li/Li 13Sn 5 Scaffolds Anodes for High-Areal Energy Density Flexible Lithium Metal Batteries. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2024; 11:e2309254. [PMID: 38326091 PMCID: PMC11005696 DOI: 10.1002/advs.202309254] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/21/2023] [Indexed: 02/09/2024]
Abstract
Achieving a high depth of discharge (DOD) in lithium metal anodes (LMAs) is crucial for developing high areal energy density batteries suitable for wearable electronics. Yet, the persistent growth of dendrites compromises battery performance, and the significant lithium consumption during pre-lithiation obstructs their broad application. Herein, A flexible 3D Li13Sn5 scaffold is designed by allowing molten lithium to infiltrate carbon cloth adorned with SnO2 nanocrystals. This design markedly curbs the troublesome dendrite growth, thanks to the uniform electric field distribution and swift Li+ diffusion dynamics. Additionally, with a minimal SnO2 nanocrystals loading (2 wt.%), only 0.6 wt.% of lithium is consumed during pre-lithiation. Insights from in situ optical microscope observations and COMSOL simulations reveal that lithium remains securely anchored within the scaffold, a result of the rapid mass/charge transfer and uniform electric field distribution. Consequently, this electrode achieves a remarkable DOD of 87.1% at 10 mA cm-2 for 40 mAh cm-2. Notably, when coupled with a polysulfide cathode, the constructed flexible Li/Li13Sn5@CC||Li2S6/SnO2@CC pouch cell delivers a high-areal capacity of 5.04 mAh cm-2 and an impressive areal-energy density of 10.6 mWh cm-2. The findings pave the way toward the development of high-performance LMAs, ideal for long-lasting wearable electronics.
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Affiliation(s)
- Xiaomei Huo
- Frontiers Science Center for Flexible Electronics & Xi'an Institute of Flexible ElectronicsNorthwestern Polytechnical UniversityXi'an710072China
| | - Xin Gong
- Frontiers Science Center for Flexible Electronics & Xi'an Institute of Flexible ElectronicsNorthwestern Polytechnical UniversityXi'an710072China
| | - Yuhang Liu
- Frontiers Science Center for Flexible Electronics & Xi'an Institute of Flexible ElectronicsNorthwestern Polytechnical UniversityXi'an710072China
| | - Yonghui Yan
- Frontiers Science Center for Flexible Electronics & Xi'an Institute of Flexible ElectronicsNorthwestern Polytechnical UniversityXi'an710072China
| | - Zhuzhu Du
- Frontiers Science Center for Flexible Electronics & Xi'an Institute of Flexible ElectronicsNorthwestern Polytechnical UniversityXi'an710072China
| | - Wei Ai
- Frontiers Science Center for Flexible Electronics & Xi'an Institute of Flexible ElectronicsNorthwestern Polytechnical UniversityXi'an710072China
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11
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Bi J, Liu Y, Du Z, Wang K, Guan W, Wu H, Ai W, Huang W. Bottom-Up Magnesium Deposition Induced by Paper-Based Triple-Gradient Scaffolds toward Flexible Magnesium Metal Batteries. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2024; 36:e2309339. [PMID: 37918968 DOI: 10.1002/adma.202309339] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/11/2023] [Revised: 11/01/2023] [Indexed: 11/04/2023]
Abstract
The development of advanced magnesium metal batteries (MMBs) has been hindered by longstanding challenges, such as the inability to induce uniform magnesium (Mg) nucleation and the inefficient utilization of Mg foil. This study introduces a novel solution in the form of a flexible, lightweight, paper-based scaffold that incorporates gradient conductivity, magnesiophilicity, and pore size. This design is achieved through an industrially adaptable papermaking process in which the ratio of carboxylated multi-walled carbon nanotubes to softwood cellulose fibers is meticulously adjusted. The triple-gradient structure of the scaffold enables the regulation of Mg ion flux, promoting bottom-up Mg deposition. Owing to its high flexibility, low thickness, and reduced density, the scaffold has potential applications in flexible and wearable electronics. Accordingly, the triple-gradient electrodes exhibit stable operation for over 1200 h at 3 mA cm-2 /3 mAh cm-2 in symmetrical cells, markedly outperforming the non-gradient and metallic Mg alternatives. Notably, this study marks the first successful fabrication of a flexible MMB pouch full cell, achieving an impressive volumetric energy density of 244 Wh L-1 . The simplicity and scalability of the triple-gradient design, which uses readily available materials through an industrially compatible papermaking process, open new doors for the production of flexible, high-energy-density metal batteries.
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Affiliation(s)
- Jingxuan Bi
- Frontiers Science Center for Flexible Electronics and Xi'an Institute of Flexible Electronics, Northwestern Polytechnical University, Xi'an, 710072, China
| | - Yuhang Liu
- Frontiers Science Center for Flexible Electronics and Xi'an Institute of Flexible Electronics, Northwestern Polytechnical University, Xi'an, 710072, China
| | - Zhuzhu Du
- Frontiers Science Center for Flexible Electronics and Xi'an Institute of Flexible Electronics, Northwestern Polytechnical University, Xi'an, 710072, China
| | - Ke Wang
- Frontiers Science Center for Flexible Electronics and Xi'an Institute of Flexible Electronics, Northwestern Polytechnical University, Xi'an, 710072, China
| | - Wanqing Guan
- Frontiers Science Center for Flexible Electronics and Xi'an Institute of Flexible Electronics, Northwestern Polytechnical University, Xi'an, 710072, China
| | - Haiwei Wu
- Shaanxi Provincial Key Laboratory of Papermaking Technology and Specialty Paper Development, College of Bioresources Chemical and Materials Engineering, Shaanxi University of Science & Technology, Xi'an, 710021, China
| | - Wei Ai
- Frontiers Science Center for Flexible Electronics and Xi'an Institute of Flexible Electronics, Northwestern Polytechnical University, Xi'an, 710072, China
| | - Wei Huang
- Frontiers Science Center for Flexible Electronics and Xi'an Institute of Flexible Electronics, Northwestern Polytechnical University, Xi'an, 710072, China
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12
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Wang Z, Song C, Shen H, Ma S, Li G, Li Y. RuO x Quantum Dots Loaded on Graphdiyne for High-Performance Lithium-Sulfur Batteries. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2024; 36:e2307786. [PMID: 37924250 DOI: 10.1002/adma.202307786] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/03/2023] [Revised: 10/10/2023] [Indexed: 11/06/2023]
Abstract
Here, a strategy to strengthen d-p orbital hybridization by fabricating π backbonding in the catalyst for efficient lithium polysulfides (LiPSs) conversion is reported. A special interface structure of RuOx quantum dots (QDs) anchored on graphdiyne (GDY) nanoboxes (RuOx QDs/GDY) is prepared to enable strong Ru-to-alkyne π backdonation, which effectively regulates the d-electron structures of Ru centers to promote the d-p orbital hybridization between the catalyst and LiPSs and significantly boosts the catalytic performance of RuOx QDs/GDY. The strong affinity with Li ions and fast Li-ion diffusion of RuOx QDs/GDY also enable ultrastable Li metal anodes. Thus, S@RuOx QDs/GDY cathodes exhibit excellent cycling performance under harsh conditions, and Li@RuOx QDs/GDY anodes show an ultralong cycling life over 8800 h without Li dendrite growth. Lithium-sulfur (Li-S) full cells with S@RuOx QDs/GDY cathodes and Li@RuOx QDs/GDY anodes can deliver an impressive areal capacity of 17.8 mA h cm-2 and good cycling stability under the practical conditions of low negative-to-positive electrode capacity (N/P) ratio (N/P = 1.4), lean electrolyte (E/S = 3 µL mg-1 ), and high S mass loading (15.4 mg cm-2 ).
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Affiliation(s)
- Zhongqiang Wang
- Shandong Provincial Key Laboratory for Science of Material Creation and Energy Conversion, Science Center for Material Creation and Energy Conversion, Institute of Frontier and Interdisciplinary Science, School of Chemistry and Chemical Engineering, Shandong University, Qingdao, 266237, P. R. China
| | - Congying Song
- Shandong Provincial Key Laboratory for Science of Material Creation and Energy Conversion, Science Center for Material Creation and Energy Conversion, Institute of Frontier and Interdisciplinary Science, School of Chemistry and Chemical Engineering, Shandong University, Qingdao, 266237, P. R. China
| | - Han Shen
- Shandong Provincial Key Laboratory for Science of Material Creation and Energy Conversion, Science Center for Material Creation and Energy Conversion, Institute of Frontier and Interdisciplinary Science, School of Chemistry and Chemical Engineering, Shandong University, Qingdao, 266237, P. R. China
| | - Shaobo Ma
- Shandong Provincial Key Laboratory for Science of Material Creation and Energy Conversion, Science Center for Material Creation and Energy Conversion, Institute of Frontier and Interdisciplinary Science, School of Chemistry and Chemical Engineering, Shandong University, Qingdao, 266237, P. R. China
| | - Guoxing Li
- Shandong Provincial Key Laboratory for Science of Material Creation and Energy Conversion, Science Center for Material Creation and Energy Conversion, Institute of Frontier and Interdisciplinary Science, School of Chemistry and Chemical Engineering, Shandong University, Qingdao, 266237, P. R. China
| | - Yuliang Li
- Shandong Provincial Key Laboratory for Science of Material Creation and Energy Conversion, Science Center for Material Creation and Energy Conversion, Institute of Frontier and Interdisciplinary Science, School of Chemistry and Chemical Engineering, Shandong University, Qingdao, 266237, P. R. China
- Institute of Chemistry, The Chinese Academy of Sciences, Beijing, 100190, P. R. China
- School of Chemistry and Chemical Engineering, University of Chinese Academy of Sciences, 100049, Beijing, P. R. China
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13
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Liu Y, He C, Bi J, Li S, Du H, Du Z, Guan W, Ai W. High-Areal Capacity, High-Rate Lithium Metal Anodes Enabled by Nitrogen-Doped Graphene Mesh. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024; 20:e2305964. [PMID: 37759425 DOI: 10.1002/smll.202305964] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/16/2023] [Revised: 09/01/2023] [Indexed: 09/29/2023]
Abstract
Hosts hold great prospects for addressing the dendrite growth and volume expansion of the Li metal anode, but Li dendrites are still observable under the conditions of high deposition capacity and/or high current density. Herein, a nitrogen-doped graphene mesh (NGM) is developed, which possesses a conductive and lithiophilic scaffold for efficient Li deposition. The abundant nanopores in NGM can not only provide sufficient room for Li deposition, but also speed up Li ion transport to achieve a high-rate capability. Moreover, the evenly distributed N dopants on the NGM can guide the uniform nucleation of Li so that to inhibit dendrite growth. As a result, the composite NGM@Li anode shows satisfactory electrochemical performances for Li-S batteries, including a high capacity of 600 mAh g-1 after 300 cycles at 1 C and a rate capacity of 438 mAh g-1 at 3 C. This work provides a new avenue for the fabrication of graphene-based hosts with large areal capacity and high-rate capability for Li metal batteries.
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Affiliation(s)
- Yuhang Liu
- Research & Development Institute of Northwestern Polytechnical University in Shenzhen and Shaanxi Institute of Flexible Electronics, Northwestern Polytechnical University, 127 West Youyi Road, Xi'an, 710072, China
| | - Chen He
- Research & Development Institute of Northwestern Polytechnical University in Shenzhen and Shaanxi Institute of Flexible Electronics, Northwestern Polytechnical University, 127 West Youyi Road, Xi'an, 710072, China
| | - Jingxuan Bi
- Research & Development Institute of Northwestern Polytechnical University in Shenzhen and Shaanxi Institute of Flexible Electronics, Northwestern Polytechnical University, 127 West Youyi Road, Xi'an, 710072, China
| | - Siyu Li
- Research & Development Institute of Northwestern Polytechnical University in Shenzhen and Shaanxi Institute of Flexible Electronics, Northwestern Polytechnical University, 127 West Youyi Road, Xi'an, 710072, China
| | - Hongfang Du
- Research & Development Institute of Northwestern Polytechnical University in Shenzhen and Shaanxi Institute of Flexible Electronics, Northwestern Polytechnical University, 127 West Youyi Road, Xi'an, 710072, China
- Strait Laboratory of Flexible Electronics (SLoFE), Strait Institute of Flexible Electronics (SIFE, Future Technologies), Fujian Normal University, Fuzhou, 350117, China
| | - Zhuzhu Du
- Research & Development Institute of Northwestern Polytechnical University in Shenzhen and Shaanxi Institute of Flexible Electronics, Northwestern Polytechnical University, 127 West Youyi Road, Xi'an, 710072, China
| | - Wanqing Guan
- Research & Development Institute of Northwestern Polytechnical University in Shenzhen and Shaanxi Institute of Flexible Electronics, Northwestern Polytechnical University, 127 West Youyi Road, Xi'an, 710072, China
| | - Wei Ai
- Research & Development Institute of Northwestern Polytechnical University in Shenzhen and Shaanxi Institute of Flexible Electronics, Northwestern Polytechnical University, 127 West Youyi Road, Xi'an, 710072, China
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14
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Wang H, Yuan H, Wang W, Wang X, Sun J, Yang J, Liu X, Zhao Q, Wang T, Wen N, Gao Y, Song K, Chen D, Wang S, Zhang YW, Wang J. Accelerating Sulfur Redox Kinetics by Electronic Modulation and Drifting Effects of Pre-Lithiation Electrocatalysts. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2024; 36:e2307741. [PMID: 37813568 DOI: 10.1002/adma.202307741] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/02/2023] [Revised: 10/01/2023] [Indexed: 10/17/2023]
Abstract
Efficient catalyst design is crucial for addressing the sluggish multi-step sulfur redox reaction (SRR) in lithium-sulfur batteries (LiSBs), which are among the promising candidates for the next-generation high-energy-density storage systems. However, the limited understanding of the underlying catalytic kinetic mechanisms and the lack of precise control over catalyst structures pose challenges in designing highly efficient catalysts, which hinder the LiSBs' practical application. Here, drawing inspiration from the theoretical calculations, the concept of precisely controlled pre-lithiation SRR electrocatalysts is proposed. The dual roles of channel and surface lithium in pre-lithiated 1T'-MoS2 are revealed, referred to as the "electronic modulation effect" and "drifting effect", respectively, both of which contribute to accelerating the SRR kinetics. As a result, the thus-designed 1T'-Lix MoS2 /CS cathode obtained by epitaxial growth of pre-lithiated 1T'-MoS2 on cubic Co9 S8 exhibits impressive performance with a high initial specific capacity of 1049.8 mAh g-1 , excellent rate-capability, and remarkable long-term cycling stability with a decay rate of only 0.019% per cycle over 1000 cycles at 3 C. This work highlights the importance of precise control in pre-lithiation parameters and the synergistic effects of channel and surface lithium, providing new valuable insights into the design and optimization of SRR electrocatalysts for high-performance LiSBs.
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Affiliation(s)
- Haimei Wang
- Department of Materials Science and Engineering, National University of Singapore, Singapore, 117574, Singapore
| | - Hao Yuan
- Institute of High Performance Computing (IHPC), Agency for Science, Technology and Research (A*STAR), 1 Fusionopolis Way, #16-16 Connexis, Singapore, 138632, Singapore
| | - Wanwan Wang
- Institute of Materials Research and Engineering (IMRE), Agency for Science, Technology and Research (A*STAR), 2 Fusionopolis Way, Innovis #08-03, Singapore, 138634, Singapore
| | - Xingyang Wang
- Department of Materials Science and Engineering, National University of Singapore, Singapore, 117574, Singapore
| | - Jianguo Sun
- Department of Materials Science and Engineering, National University of Singapore, Singapore, 117574, Singapore
| | - Jing Yang
- Institute of High Performance Computing (IHPC), Agency for Science, Technology and Research (A*STAR), 1 Fusionopolis Way, #16-16 Connexis, Singapore, 138632, Singapore
| | - Ximeng Liu
- Department of Materials Science and Engineering, National University of Singapore, Singapore, 117574, Singapore
| | - Qi Zhao
- Department of Materials Science and Engineering, National University of Singapore, Singapore, 117574, Singapore
| | - Tuo Wang
- Department of Materials Science and Engineering, National University of Singapore, Singapore, 117574, Singapore
| | - Ning Wen
- School of Chemistry and Chemical Engineering, Shandong University Jinan, Jinan, Shandong, 250100, China
| | - Yulin Gao
- Department of Materials Science and Engineering, National University of Singapore, Singapore, 117574, Singapore
| | - Kepeng Song
- Electron Microscopy Center, Shandong University, Jinan, Shandong, 250100, China
| | - Dairong Chen
- School of Chemistry and Chemical Engineering, Shandong University Jinan, Jinan, Shandong, 250100, China
| | - Shijie Wang
- Institute of Materials Research and Engineering (IMRE), Agency for Science, Technology and Research (A*STAR), 2 Fusionopolis Way, Innovis #08-03, Singapore, 138634, Singapore
| | - Yong-Wei Zhang
- Institute of High Performance Computing (IHPC), Agency for Science, Technology and Research (A*STAR), 1 Fusionopolis Way, #16-16 Connexis, Singapore, 138632, Singapore
| | - John Wang
- Department of Materials Science and Engineering, National University of Singapore, Singapore, 117574, Singapore
- National University of Singapore (Chongqing) Research Institute, Chongqing Liang Jiang New Area, Chongqing, 401120, China
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15
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Zhou Z, Hu X, Liu Y, Li S, Guan W, Du Z, Ai W. Stabilizing Lithium-Metal Host Anodes by Covalently Binding MgF 2 Nanodots to Honeycomb Carbon Nanofibers. ACS APPLIED MATERIALS & INTERFACES 2024; 16:4530-4539. [PMID: 38241522 DOI: 10.1021/acsami.3c12755] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/21/2024]
Abstract
Constructing lithiophilic carbon hosts has been regarded as an effective strategy for inhibiting Li dendrite formation and mitigating the volume expansion of Li metal anodes. However, the limitation of lithiophilic carbon hosts by conventional surface decoration methods over long-term cycling hinders their practical application. In this work, a robust host composed of ultrafine MgF2 nanodots covalently bonded to honeycomb carbon nanofibers (MgF2/HCNFs) is created through an in situ solid-state reaction. The composite exhibits ultralight weight, excellent lithiophilicity, and structural stability, contributing to a significantly enhanced energy efficiency and lifespan of the battery. Specifically, the strong covalent bond not only prevents MgF2 nanodots from migrating and aggregating but also enhances the binding energy between Mg and Li during the molten Li infusion process. This allows for the effective and stable regulation of repeated Li plating/stripping. As a result, the MgF2/HCNF-Li electrode delivers a high Coulombic efficiency of 97% after 200 cycles, cycling stably for more than 2000 h. Furthermore, the full cells with a LiFePO4 cathode achieve a capacity retention of 85% after 500 cycles at 0.5C. This work provides a strategy to guide dendrite-free Li deposition patterns toward the development of high-performance Li metal batteries.
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Affiliation(s)
- Zhenkai Zhou
- Frontiers Science Center for Flexible Electronics (FSCFE) and Xi'an Institute of Flexible Electronics (IFE), Northwestern Polytechnical University (NPU), Xi'an 710072, China
| | - Xiaoqi Hu
- Frontiers Science Center for Flexible Electronics (FSCFE) and Xi'an Institute of Flexible Electronics (IFE), Northwestern Polytechnical University (NPU), Xi'an 710072, China
| | - Yuhang Liu
- Frontiers Science Center for Flexible Electronics (FSCFE) and Xi'an Institute of Flexible Electronics (IFE), Northwestern Polytechnical University (NPU), Xi'an 710072, China
| | - Siyu Li
- Frontiers Science Center for Flexible Electronics (FSCFE) and Xi'an Institute of Flexible Electronics (IFE), Northwestern Polytechnical University (NPU), Xi'an 710072, China
| | - Wanqing Guan
- Frontiers Science Center for Flexible Electronics (FSCFE) and Xi'an Institute of Flexible Electronics (IFE), Northwestern Polytechnical University (NPU), Xi'an 710072, China
| | - Zhuzhu Du
- Frontiers Science Center for Flexible Electronics (FSCFE) and Xi'an Institute of Flexible Electronics (IFE), Northwestern Polytechnical University (NPU), Xi'an 710072, China
| | - Wei Ai
- Frontiers Science Center for Flexible Electronics (FSCFE) and Xi'an Institute of Flexible Electronics (IFE), Northwestern Polytechnical University (NPU), Xi'an 710072, China
- Research & Development Institute of Northwestern Polytechnical University in Shenzhen, Shenzhen 518057, China
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16
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Li J, Gao L, Pan F, Gong C, Sun L, Gao H, Zhang J, Zhao Y, Wang G, Liu H. Engineering Strategies for Suppressing the Shuttle Effect in Lithium-Sulfur Batteries. NANO-MICRO LETTERS 2023; 16:12. [PMID: 37947874 PMCID: PMC10638349 DOI: 10.1007/s40820-023-01223-1] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/29/2023] [Accepted: 09/20/2023] [Indexed: 11/12/2023]
Abstract
Lithium-sulfur (Li-S) batteries are supposed to be one of the most potential next-generation batteries owing to their high theoretical capacity and low cost. Nevertheless, the shuttle effect of firm multi-step two-electron reaction between sulfur and lithium in liquid electrolyte makes the capacity much smaller than the theoretical value. Many methods were proposed for inhibiting the shuttle effect of polysulfide, improving corresponding redox kinetics and enhancing the integral performance of Li-S batteries. Here, we will comprehensively and systematically summarize the strategies for inhibiting the shuttle effect from all components of Li-S batteries. First, the electrochemical principles/mechanism and origin of the shuttle effect are described in detail. Moreover, the efficient strategies, including boosting the sulfur conversion rate of sulfur, confining sulfur or lithium polysulfides (LPS) within cathode host, confining LPS in the shield layer, and preventing LPS from contacting the anode, will be discussed to suppress the shuttle effect. Then, recent advances in inhibition of shuttle effect in cathode, electrolyte, separator, and anode with the aforementioned strategies have been summarized to direct the further design of efficient materials for Li-S batteries. Finally, we present prospects for inhibition of the LPS shuttle and potential development directions in Li-S batteries.
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Affiliation(s)
- Jiayi Li
- Joint International Laboratory On Environmental and Energy Frontier Materials, School of Environmental and Chemical Engineering, Shanghai University, Shanghai, People's Republic of China
| | - Li Gao
- Joint International Laboratory On Environmental and Energy Frontier Materials, School of Environmental and Chemical Engineering, Shanghai University, Shanghai, People's Republic of China
| | - Fengying Pan
- Joint International Laboratory On Environmental and Energy Frontier Materials, School of Environmental and Chemical Engineering, Shanghai University, Shanghai, People's Republic of China
| | - Cheng Gong
- Joint International Laboratory On Environmental and Energy Frontier Materials, School of Environmental and Chemical Engineering, Shanghai University, Shanghai, People's Republic of China
| | - Limeng Sun
- Joint International Laboratory On Environmental and Energy Frontier Materials, School of Environmental and Chemical Engineering, Shanghai University, Shanghai, People's Republic of China
| | - Hong Gao
- Joint International Laboratory On Environmental and Energy Frontier Materials, School of Environmental and Chemical Engineering, Shanghai University, Shanghai, People's Republic of China.
| | - Jinqiang Zhang
- Centre for Clean Energy Technology, University of Technology Sydney, Broadway, Sydney, NSW, 2007, Australia
| | - Yufei Zhao
- Joint International Laboratory On Environmental and Energy Frontier Materials, School of Environmental and Chemical Engineering, Shanghai University, Shanghai, People's Republic of China.
| | - Guoxiu Wang
- Centre for Clean Energy Technology, University of Technology Sydney, Broadway, Sydney, NSW, 2007, Australia.
| | - Hao Liu
- Centre for Clean Energy Technology, University of Technology Sydney, Broadway, Sydney, NSW, 2007, Australia.
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17
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Chen B, Li B, Bi J, Du H, Wang S, Liu L, Xie L, Sun J, Du Z, Ai W. Li + mobility powered by a crystal compound for fast Li-S chemistry. Chem Commun (Camb) 2023; 59:12140-12143. [PMID: 37740333 DOI: 10.1039/d3cc03535b] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/24/2023]
Abstract
Placing blocking layers between electrodes has shown paramount prospects in suppressing the shuttle effect of Li-S batteries, but the associated ionic transport would be a concurrent obstacle. Herein, we present a Li-based crystal composited with carbon (LiPN2@C) by a one-step annealing of Li+ absorbed melamine polyphosphate, which simultaneously achieves alleviated polysulfide-shuttling and facilitated Li+ transport. As a homologous crystal, LiPN2 with abundant lithiophilic sites makes Li+ transport more efficient and sustainable. With a LiPN2@C-modified separator, the Li2S cathode exhibits a much-lower activation potential of 2.4 V and a high-rate capacity of 519 mA h g-1 at 2C. Impressively, the battery delivers a capacity of 726 mA h g-1 at 0.5C with a low decay rate of 0.25% per cycle during 100 continuous cycles.
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Affiliation(s)
- Ben Chen
- Frontiers Science Center for Flexible Electronics & Shaanxi Institute of Flexible Electronics, Northwestern Polytechnical University, 127 West Youyi Road, Xi'an 710072, China.
| | - Boxin Li
- Frontiers Science Center for Flexible Electronics & Shaanxi Institute of Flexible Electronics, Northwestern Polytechnical University, 127 West Youyi Road, Xi'an 710072, China.
| | - Jingxuan Bi
- Frontiers Science Center for Flexible Electronics & Shaanxi Institute of Flexible Electronics, Northwestern Polytechnical University, 127 West Youyi Road, Xi'an 710072, China.
| | - Hongfang Du
- Frontiers Science Center for Flexible Electronics & Shaanxi Institute of Flexible Electronics, Northwestern Polytechnical University, 127 West Youyi Road, Xi'an 710072, China.
- Fujian Cross Strait Institute of Flexible Electronics (Future Technologies), Fujian Normal University, Fuzhou 350117, China
| | - Siying Wang
- Frontiers Science Center for Flexible Electronics & Shaanxi Institute of Flexible Electronics, Northwestern Polytechnical University, 127 West Youyi Road, Xi'an 710072, China.
| | - Lei Liu
- Frontiers Science Center for Flexible Electronics & Shaanxi Institute of Flexible Electronics, Northwestern Polytechnical University, 127 West Youyi Road, Xi'an 710072, China.
| | - Linghai Xie
- State Key Laboratory of Organic Electronics and Information Displays & Institute of Advanced Materials (IAM), Nanjing University of Posts & Telecommunications, Nanjing 210023, China
| | - Jinmeng Sun
- Frontiers Science Center for Flexible Electronics & Shaanxi Institute of Flexible Electronics, Northwestern Polytechnical University, 127 West Youyi Road, Xi'an 710072, China.
| | - Zhuzhu Du
- Frontiers Science Center for Flexible Electronics & Shaanxi Institute of Flexible Electronics, Northwestern Polytechnical University, 127 West Youyi Road, Xi'an 710072, China.
| | - Wei Ai
- Frontiers Science Center for Flexible Electronics & Shaanxi Institute of Flexible Electronics, Northwestern Polytechnical University, 127 West Youyi Road, Xi'an 710072, China.
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18
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Ding C, Niu M, Cassidy C, Kang HB, Ono LK, Wang H, Tong G, Zhang C, Liu Y, Zhang J, Mariotti S, Wu T, Qi Y. Local Built-In Field at the Sub-nanometric Heterointerface Mediates Cascade Electrochemical Conversion of Lithium-sulfur Batteries. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2023; 19:e2301755. [PMID: 37144439 DOI: 10.1002/smll.202301755] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/28/2023] [Revised: 04/12/2023] [Indexed: 05/06/2023]
Abstract
Heterogeneous catalytic mediators have been proposed to play a vital role in enhancing the multiorder reaction and nucleation kinetics in multielectron sulfur electrochemistry. However, the predictive design of heterogeneous catalysts is still challenging, owing to the lack of in-depth understanding of interfacial electronic states and electron transfer on cascade reaction in Li-S batteries. Here, a heterogeneous catalytic mediator based on monodispersed titanium carbide sub-nanoclusters embedded in titanium dioxide nanobelts is reported. The tunable catalytic and anchoring effects of the resulting catalyst are achieved by the redistribution of localized electrons caused by the abundant built-in fields in heterointerfaces. Subsequently, the resulting sulfur cathodes deliver an areal capacity of 5.6 mAh cm-2 and excellent stability at 1 C under sulfur loading of 8.0 mg cm-2 . The catalytic mechanism especially on enhancing the multiorder reaction kinetic of polysulfides is further demonstrated via operando time-resolved Raman spectroscopy during the reduction process in conjunction with theoretical analysis.
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Affiliation(s)
- Chenfeng Ding
- Energy Materials and Surface Sciences Unit (EMSSU), Okinawa Institute of Science and Technology Graduate University (OIST), 1919-1 Tancha, Kunigami-gun, Onna-son, Okinawa, 904-0495, Japan
| | - Mang Niu
- State Key Laboratory of Bio-fibers and Eco-textiles, Institute of Biochemical Engineering, College of Materials Science and Engineering, Qingdao University, Qingdao, 266071, China
| | - Cathal Cassidy
- Quantum Wave Microscopy Unit, Okinawa Institute of Science and Technology Graduate University (OIST), 1919-1 Tancha, Kunigami-gun, Onna-son, Okinawa, 904-0495, Japan
| | - Hyung-Been Kang
- Engineering Section, Okinawa Institute of Science and Technology Graduate University (OIST), 1919-1 Tancha, Kunigami-gun, Onna-son, Okinawa, 904-0495, Japan
| | - Luis K Ono
- Energy Materials and Surface Sciences Unit (EMSSU), Okinawa Institute of Science and Technology Graduate University (OIST), 1919-1 Tancha, Kunigami-gun, Onna-son, Okinawa, 904-0495, Japan
| | - Hengyuan Wang
- Energy Materials and Surface Sciences Unit (EMSSU), Okinawa Institute of Science and Technology Graduate University (OIST), 1919-1 Tancha, Kunigami-gun, Onna-son, Okinawa, 904-0495, Japan
| | - Guoqing Tong
- Energy Materials and Surface Sciences Unit (EMSSU), Okinawa Institute of Science and Technology Graduate University (OIST), 1919-1 Tancha, Kunigami-gun, Onna-son, Okinawa, 904-0495, Japan
| | - Congyang Zhang
- Energy Materials and Surface Sciences Unit (EMSSU), Okinawa Institute of Science and Technology Graduate University (OIST), 1919-1 Tancha, Kunigami-gun, Onna-son, Okinawa, 904-0495, Japan
| | - Yuan Liu
- State Key Laboratory of Bio-fibers and Eco-textiles, Institute of Biochemical Engineering, College of Materials Science and Engineering, Qingdao University, Qingdao, 266071, China
- Foshan (Southern China) Institute for New Materials, Foshan, 528200, China
| | - Jiahao Zhang
- Energy Materials and Surface Sciences Unit (EMSSU), Okinawa Institute of Science and Technology Graduate University (OIST), 1919-1 Tancha, Kunigami-gun, Onna-son, Okinawa, 904-0495, Japan
| | - Silvia Mariotti
- Energy Materials and Surface Sciences Unit (EMSSU), Okinawa Institute of Science and Technology Graduate University (OIST), 1919-1 Tancha, Kunigami-gun, Onna-son, Okinawa, 904-0495, Japan
| | - Tianhao Wu
- Energy Materials and Surface Sciences Unit (EMSSU), Okinawa Institute of Science and Technology Graduate University (OIST), 1919-1 Tancha, Kunigami-gun, Onna-son, Okinawa, 904-0495, Japan
| | - Yabing Qi
- Energy Materials and Surface Sciences Unit (EMSSU), Okinawa Institute of Science and Technology Graduate University (OIST), 1919-1 Tancha, Kunigami-gun, Onna-son, Okinawa, 904-0495, Japan
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19
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Liu Y, Li Y, Du Z, He C, Bi J, Li S, Guan W, Du H, Ai W. Integrated Gradient Cu Current Collector Enables Bottom-Up Li Growth for Li Metal Anodes: Role of Interfacial Structure. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2023; 10:e2301288. [PMID: 37311206 PMCID: PMC10427400 DOI: 10.1002/advs.202301288] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/25/2023] [Revised: 05/03/2023] [Indexed: 06/15/2023]
Abstract
3D Cu current collectors have been demonstrated to improve the cycling stability of Li metal anodes, however, the role of their interfacial structure for Li deposition pattern has not been investigated thoroughly. Herein, a series of 3D integrated gradient Cu-based current collectors are fabricated by the electrochemical growth of CuO nanowire arrays on Cu foil (CuO@Cu), where their interfacial structures can be readily controlled by modulating the dispersities of the nanowire arrays. It is found that the interfacial structures constructed by sparse and dense dispersion of CuO nanowire arrays are both disadvantageous for the nucleation and deposition of Li metal, consequently fast dendrite growth. In contrast, a uniform and appropriate dispersity of CuO nanowire arrays enables stable bottom Li nucleation associated with smooth lateral deposition, affording the ideal bottom-up Li growth pattern. The optimized CuO@Cu-Li electrodes exhibit a highly reversible Li cycling including a coulombic efficiency of up to ≈99% after 150 cycles and a long-term lifespan of over 1200 h. When coupling with LiFePO4 cathode, the coin and pouch full-cells deliver outstanding cycling stability and rate capability. This work provides a new insight to design the gradient Cu current collectors toward high-performance Li metal anodes.
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Affiliation(s)
- Yuhang Liu
- Frontiers Science Center for Flexible Electronics and Shaanxi Institute of Flexible ElectronicsNorthwestern Polytechnical University127 West Youyi RoadXi'an710072China
| | - Yifan Li
- Frontiers Science Center for Flexible Electronics and Shaanxi Institute of Flexible ElectronicsNorthwestern Polytechnical University127 West Youyi RoadXi'an710072China
| | - Zhuzhu Du
- Frontiers Science Center for Flexible Electronics and Shaanxi Institute of Flexible ElectronicsNorthwestern Polytechnical University127 West Youyi RoadXi'an710072China
| | - Chen He
- Frontiers Science Center for Flexible Electronics and Shaanxi Institute of Flexible ElectronicsNorthwestern Polytechnical University127 West Youyi RoadXi'an710072China
| | - Jingxuan Bi
- Frontiers Science Center for Flexible Electronics and Shaanxi Institute of Flexible ElectronicsNorthwestern Polytechnical University127 West Youyi RoadXi'an710072China
| | - Siyu Li
- Frontiers Science Center for Flexible Electronics and Shaanxi Institute of Flexible ElectronicsNorthwestern Polytechnical University127 West Youyi RoadXi'an710072China
| | - Wanqing Guan
- Frontiers Science Center for Flexible Electronics and Shaanxi Institute of Flexible ElectronicsNorthwestern Polytechnical University127 West Youyi RoadXi'an710072China
| | - Hongfang Du
- Fujian Cross Strait Institute of Flexible Electronics (Future Technologies)Fujian Normal UniversityFuzhou350117China
| | - Wei Ai
- Frontiers Science Center for Flexible Electronics and Shaanxi Institute of Flexible ElectronicsNorthwestern Polytechnical University127 West Youyi RoadXi'an710072China
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20
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Zhang B, Wang Z, Ji H, Zhang H, Li L, Hu J, Li S, Wu J. Unveiling light effect on formation of trisulfur radicals in lithium-sulfur batteries. Chem Commun (Camb) 2023; 59:4237-4240. [PMID: 36942561 DOI: 10.1039/d3cc00120b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/18/2023]
Abstract
is the important electrochemical intermediate in Li-S batteries of highly solvating solvents. Herein, the dissociation of into is deeply studied. light is proven to promote the formation of from the dissociation of . Accordingly, a strategy of pre-introducing highly active into DMSO-based electrolyte is proposed to activate sulfur cathodes of Li-S batteries.
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Affiliation(s)
- Bohai Zhang
- Henan International Joint Laboratory of Laser Technology in Agriculture Sciences, College of Mechanical & Electrical Engineering, Henan Agricultural University, Zhengzhou 450002, Henan, China.
- Institute of New Energy Material Chemistry, School of Materials Science and Engineering, Nankai University, Tianjin 300350, China
| | - Zhenyu Wang
- Institute of Science and Technology, China Three Gorges Corporation, Beijing 101100, China
| | - Huifu Ji
- Henan International Joint Laboratory of Laser Technology in Agriculture Sciences, College of Mechanical & Electrical Engineering, Henan Agricultural University, Zhengzhou 450002, Henan, China.
| | - Hao Zhang
- Henan International Joint Laboratory of Laser Technology in Agriculture Sciences, College of Mechanical & Electrical Engineering, Henan Agricultural University, Zhengzhou 450002, Henan, China.
| | - Lanlan Li
- Henan International Joint Laboratory of Laser Technology in Agriculture Sciences, College of Mechanical & Electrical Engineering, Henan Agricultural University, Zhengzhou 450002, Henan, China.
| | - Jiandong Hu
- Henan International Joint Laboratory of Laser Technology in Agriculture Sciences, College of Mechanical & Electrical Engineering, Henan Agricultural University, Zhengzhou 450002, Henan, China.
| | - Shixin Li
- Henan International Joint Laboratory of Laser Technology in Agriculture Sciences, College of Mechanical & Electrical Engineering, Henan Agricultural University, Zhengzhou 450002, Henan, China.
| | - Junfeng Wu
- Henan International Joint Laboratory of Laser Technology in Agriculture Sciences, College of Mechanical & Electrical Engineering, Henan Agricultural University, Zhengzhou 450002, Henan, China.
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