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Zhang H, Zhang S, Guo B, Yu LJ, Ma L, Hou B, Liu H, Zhang S, Wang J, Song J, Tang Y, Zhao X. MoS 2 Hollow Multishelled Nanospheres Doped Fe Single Atoms Capable of Fast Phase Transformation for Fast-charging Na-ion Batteries. Angew Chem Int Ed Engl 2024; 63:e202400285. [PMID: 38441382 DOI: 10.1002/anie.202400285] [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: 01/05/2024] [Indexed: 03/20/2024]
Abstract
Low Na+ and electron diffusion kinetics severely restrain the rate capability of MoS2 as anode for sodium-ion batteries (SIBs). Slow phase transitions between 2H and 1T, and from NaxMoS2 to Mo and Na2S as well as the volume change during cycling, induce a poor cycling stability. Herein, an original Fe single atom doped MoS2 hollow multishelled structure (HoMS) is designed for the first time to address the above challenges. The Fe single atom in MoS2 promotes the electron transfer, companying with shortened charge diffusion path from unique HoMS, thereby achieving excellent rate capability. The strong adsorption with Na+ and self-catalysis of Fe single atom facilitates the reversible conversion between 2H and 1T, and from NaxMoS2 to Mo and Na2S. Moreover, the buffering effect of HoMS on volume change during cycling improves the cyclic stability. Consequently, the Fe single atom doped MoS2 quadruple-shelled sphere exhibits a high specific capacity of 213.3 mAh g-1 at an ultrahigh current density of 30 A g-1, which is superior to previously-reported results. Even at 5 A g-1, 259.4 mAh g-1 (83.68 %) was reserved after 500 cycles. Such elaborate catalytic site decorated HoMS is also promising to realize other "fast-charging" high-energy-density rechargeable batteries.
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Affiliation(s)
- Hui Zhang
- Department of Chemistry, College of science, Hebei Agriculture University, Baoding, 071001, P.R. China
| | - Shaocheng Zhang
- College of Chemical Engineering and Technology, Taiyuan University of Technology, Taiyuan, 030024, China
| | - Baiyu Guo
- Clean Nano Energy Center, State Key Laboratory of Metastable Materials Science and Technology, Yanshan University, Qinhuangdao, 066004, China
| | - Li-Juan Yu
- ARC Centre of Excellence for Electromaterials Science, Research School of Chemistry, Australian National University, Canberra, Australian Capital Territory, 2601, Australia
| | - Linlin Ma
- Department of Chemistry, College of science, Hebei Agriculture University, Baoding, 071001, P.R. China
| | - Baoxiu Hou
- Department of Chemistry, College of science, Hebei Agriculture University, Baoding, 071001, P.R. China
| | - Haiyan Liu
- Department of Chemistry, College of science, Hebei Agriculture University, Baoding, 071001, P.R. China
| | - Shuaihua Zhang
- Department of Chemistry, College of science, Hebei Agriculture University, Baoding, 071001, P.R. China
| | - Jiangyan Wang
- State Key Laboratory of Biochemical Engineering, Institute of Process Engineering, Chinese Academy of Sciences, No. 1, Beierjie, Zhongguancun, Beijing, 100190, P. R. China
| | - Jianjun Song
- College of Physics, Qingdao University, Qingdao, 266071, China
| | - Yongfu Tang
- Clean Nano Energy Center, State Key Laboratory of Metastable Materials Science and Technology, Yanshan University, Qinhuangdao, 066004, China
| | - Xiaoxian Zhao
- Department of Chemistry, College of science, Hebei Agriculture University, Baoding, 071001, P.R. China
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Zhang H, Wang L, Ma L, Liu Y, Hou B, Shang N, Zhang S, Song J, Chen S, Zhao X. Surface Crystal Modification of Na 3 V 2 (PO 4 ) 3 to Cast Intermediate Na 2 V 2 (PO 4 ) 3 Phase toward High-Rate Sodium Storage. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2024; 11:e2306168. [PMID: 37997201 PMCID: PMC10797425 DOI: 10.1002/advs.202306168] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/31/2023] [Revised: 10/18/2023] [Indexed: 11/25/2023]
Abstract
The two-phase reaction of Na3 V2 (PO4 )3 - Na1 V2 (PO4 )3 in Na3 V2 (PO4 )3 (NVP) is hindered by low electronic and ionic conductivity. To address this problem, a surface-N-doped NVP encapsulating by N-doped carbon nanocage (N-NVP/N-CN) is rationally constructed, wherein the nitrogen is doped in both the surface crystal structure of NVP and carbon layer. The surface crystal modification decreases the energy barrier of Na+ diffusion from bulk to electrolyte, enhances intrinsic electronic conductivity, and releases lattice stress. Meanwhile, the porous architecture provides more active sites for redox reactions and shortens the diffusion path of ion. Furthermore, the new interphase of Na2 V2 (PO4 )3 is detected by in situ XRD and clarified by density functional theory (DFT) calculation with a lower energy barrier during the fast reversible electrochemical three-phase reaction of Na3 V2 (PO4 )3 - Na2 V2 (PO4 )3 - Na1 V2 (PO4 )3 . Therefore, as cathode of sodium-ion battery, the N-NVP/N-CN exhibited specific capacities of 119.7 and 75.3 mAh g-1 at 1 C and even 200 C. Amazingly, high capacities of 89.0, 86.2, and 84.6 mAh g-1 are achieved after overlong 10000 cycles at 20, 40, and 50 C, respectively. This approach provides a new idea for surface crystal modification to cast intermediate Na2 V2 (PO4 )3 phase for achieving excellent cycling stability and rate capability.
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Affiliation(s)
- Hui Zhang
- Department of Chemistry, College of ScienceHebei Agricultural UniversityBaoding071001China
| | - Lei Wang
- Department of Chemical EngineeringSchool of Environmental and Chemical EngineeringShanghai UniversityShanghai200444P. R. China
| | - Linlin Ma
- Department of Chemistry, College of ScienceHebei Agricultural UniversityBaoding071001China
| | - Yahui Liu
- National Engineering Research Center of green recycling for strategic metal resourcesInstitute of Process EngineeringChinese Academy of SciencesBeijing100190P. R. China
| | - Baoxiu Hou
- Department of Chemistry, College of ScienceHebei Agricultural UniversityBaoding071001China
| | - Ningzhao Shang
- Department of Chemistry, College of ScienceHebei Agricultural UniversityBaoding071001China
| | - Shuaihua Zhang
- Department of Chemistry, College of ScienceHebei Agricultural UniversityBaoding071001China
| | - Jianjun Song
- College of PhysicsQingdao UniversityQingdao266071P. R. China
| | - Shuangqiang Chen
- Department of Chemical EngineeringSchool of Environmental and Chemical EngineeringShanghai UniversityShanghai200444P. R. China
| | - Xiaoxian Zhao
- Department of Chemistry, College of ScienceHebei Agricultural UniversityBaoding071001China
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Li J, Liu X, Wang C, Guo L, Chen Y. In-situ constructing porous N-doped carbon skeleton with rich defects from modified polyamide acid to boost the high performance of Na 3V 2(PO 4) 3 cathode for full sodium-ion batteries. J Colloid Interface Sci 2023; 656:513-527. [PMID: 38007943 DOI: 10.1016/j.jcis.2023.11.134] [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: 10/03/2023] [Revised: 11/20/2023] [Accepted: 11/21/2023] [Indexed: 11/28/2023]
Abstract
Generally, the transport of electrons and Na+ is seriously constrained in Na3V2(PO4)3 (NVP) due to intense interactions of V-O and PO bonds. Besides, polyamide acid (PAA) is hardly used in the sol-gel route due to insolubility. This work develops a facile liquid synthesis strategy based on modified PAA, achieving in-situ construction of a porous N-doped carbon framework with rich defects to improve the kinetics of NVP. The addition of triethylamine (TEA) reacts with carboxyls in PAA to achieve acid-base neutralization, turning PAA into polyamide salts with good solubility. The special morphology construction mechanism of this unique system was observed by ex-situ scanning electron microscopy (SEM) and Transmission electron microscopy (TEM). Specifically, PAA undergoes in-situ conversion into chain-like polyimide (PI) through a thermal polymerization mechanism during the pre-sintering process. Meanwhile, NVP precursors are evenly dispersed in the PI fibers, efficiently reducing the particle size. After the final treatment, the favorable porous carbon skeleton could be generated derived from the partial decomposition of PI, on which small active grains are in situ grown. The resulting N-doped carbon substrate contains rich defects, benefiting from the migration of Na+. Furthermore, the porous construction is conducive to alleviating the stress and strain generated by the high current impact, increasing the contact area between electrodes/electrolytes to improve the utilization efficiency of active substances. Comprehensively, the optimized samples exhibit a capacity of 82.1 mAh g-1 at 15C with a retention rate of 95.45 % after 350 cycles. It submits a capacity of 67.6 mAh g-1 at 90C and remains 52.2 mAh g-1 after 1500 cycles. Even in full cells, it reveals a value of 110.6 mAh g-1. This work guides the application of in-situ multiple modifications of polymers in electrode materials.
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Affiliation(s)
- Jiahao Li
- School of Materials Science and Engineering, North University of China, Taiyuan, 030051 China; Institute of Advanced Energy Materials and Systems, North University of China, Taiyuan, 030051 China
| | - Xin Liu
- School of Materials Science and Engineering, North University of China, Taiyuan, 030051 China; Institute of Advanced Energy Materials and Systems, North University of China, Taiyuan, 030051 China
| | - Chao Wang
- School of Materials Science and Engineering, North University of China, Taiyuan, 030051 China; Institute of Advanced Energy Materials and Systems, North University of China, Taiyuan, 030051 China
| | - Li Guo
- Institute of Advanced Energy Materials and Systems, North University of China, Taiyuan, 030051 China.
| | - Yanjun Chen
- School of Materials Science and Engineering, North University of China, Taiyuan, 030051 China; Institute of Advanced Energy Materials and Systems, North University of China, Taiyuan, 030051 China.
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Wu J, Feng J, Yang B, Martin R, Song S, Quintana M, Jia F, Tian X. The anisotropic adsorption of potassium cetyl phosphate on molybdenite surface and its implication for improving the flotation of molybdenite fines. J Mol Liq 2023. [DOI: 10.1016/j.molliq.2023.121616] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/16/2023]
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He F, Kang J, Liu T, Deng H, Zhong B, Sun Y, Wu Z, Guo X. Research Progress on Electrochemical Properties of Na 3V 2(PO 4) 3 as Cathode Material for Sodium-Ion Batteries. Ind Eng Chem Res 2023. [DOI: 10.1021/acs.iecr.2c04054] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/18/2023]
Affiliation(s)
- Fa He
- School of Chemical Engineering, Sichuan University, Chengdu 610065, China
| | - Jiyang Kang
- School of Chemical Engineering, Sichuan University, Chengdu 610065, China
| | - Tongli Liu
- School of Chemical Engineering, Sichuan University, Chengdu 610065, China
| | - Hongjie Deng
- School of Chemical Engineering, Sichuan University, Chengdu 610065, China
| | - Benhe Zhong
- School of Chemical Engineering, Sichuan University, Chengdu 610065, China
| | - Yan Sun
- School of Mechanical Engineering, Chengdu University, Chengdu 610106, China
| | - Zhenguo Wu
- School of Chemical Engineering, Sichuan University, Chengdu 610065, China
| | - Xiaodong Guo
- School of Chemical Engineering, Sichuan University, Chengdu 610065, China
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Zhang X, Bi R, Wang J, Zheng M, Wang J, Yu R, Wang D. Delicate Co-Control of Shell Structure and Sulfur Vacancies in Interlayer-Expanded Tungsten Disulfide Hollow Sphere for Fast and Stable Sodium Storage. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2023; 35:e2209354. [PMID: 36380735 DOI: 10.1002/adma.202209354] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/11/2022] [Revised: 11/09/2022] [Indexed: 06/16/2023]
Abstract
Hollow multishelled structure (HoMS) is a promising multi-functional platform for energy storage, owing to its unique temporal-spatial ordering property and buffering function. Accurate co-control of its multiscale structures may bring fascinating properties and new opportunities, which is highly desired yet rarely achieved due to the challenging synthesis. Herein, a sequential sulfidation and etching approach is developed to achieve the delicate co-control over both molecular- and nano-/micro-scale structure of WS2- x HoMS. Typically, sextuple-shelled WS2- x HoMS with abundant sulfur vacancies and expanded-interlayer spacing is obtained from triple-shelled WO3 HoMS. By further coating with nitrogen-doped carbon, WS2- x HoMS maintains a reversible capacity of 241.7 mAh g-1 at 5 A g-1 after 1000 cycles for sodium storage, which is superior to the previously reported results. Mechanism analyses reveal that HoMS provides good electrode-electrolyte contact and plentiful sodium storage sites as well as an effective buffer of the stress/strain during cycling; sulfur vacancy and expanded interlayer of WS2- x enhance ion diffusion kinetics; carbon coating improves the electron conductivity and benefits the structural stability. This finding offers prospects for realizing practical fast-charging, high-energy, and long-cycling sodium storage.
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Affiliation(s)
- Xing Zhang
- Department of Physical Chemistry, School of Metallurgical and Ecological Engineering, University of Science and Technology Beijing, 30, Xueyuan Road, Haidian District, Beijing, 100083, China
| | - Ruyi Bi
- Department of Physical Chemistry, School of Metallurgical and Ecological Engineering, University of Science and Technology Beijing, 30, Xueyuan Road, Haidian District, Beijing, 100083, China
- State Key Laboratory of Biochemical Engineering, Institute of Process Engineering, Chinese Academy of Sciences, 1 North 2nd Street, Zhongguancun, Haidian District, Beijing, 100190, China
| | - Jiangyan Wang
- State Key Laboratory of Biochemical Engineering, Institute of Process Engineering, Chinese Academy of Sciences, 1 North 2nd Street, Zhongguancun, Haidian District, Beijing, 100190, China
| | - Meng Zheng
- College of Materials Science and Engineering, Shenzhen University, 1066, Xueyuan Avenue, Nanshan District, Shenzhen, 518000, China
| | - Jin Wang
- College of Materials Science and Engineering, Shenzhen University, 1066, Xueyuan Avenue, Nanshan District, Shenzhen, 518000, China
| | - Ranbo Yu
- Department of Physical Chemistry, School of Metallurgical and Ecological Engineering, University of Science and Technology Beijing, 30, Xueyuan Road, Haidian District, Beijing, 100083, China
- Key Laboratory of Advanced Material Processing & Mold, Ministry of Education, Zhengzhou University, Zhengzhou, 450002, China
| | - Dan Wang
- State Key Laboratory of Biochemical Engineering, Institute of Process Engineering, Chinese Academy of Sciences, 1 North 2nd Street, Zhongguancun, Haidian District, Beijing, 100190, China
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