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Wu L, Zhang Y, Wu Z, Tian J, Wang H, Zhao H, Xu S, Chen L, Duan X, Zhang D, Guo H, You Y, Zhu Z. Stabilized O3-Type Layered Sodium Oxides with Enhanced Rate Performance and Cycling Stability by Dual-Site Ti 4+ /K + Substitution. Adv Sci (Weinh) 2023; 10:e2304067. [PMID: 37752770 PMCID: PMC10646236 DOI: 10.1002/advs.202304067] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/20/2023] [Revised: 08/08/2023] [Indexed: 09/28/2023]
Abstract
High-capacity O3-type layered sodium oxides are considered one of the most promising cathode materials for the next generation of Na-ion batteries (NIBs). However, these cathodes usually suffer from low high-rate capacity and poor cycling stability due to structure deformation, native air sensitivity, and interfacial side reactions. Herein, a multi-site substituted strategy is employed to enhance the stability of O3-type NaNi0.5 Mn0.5 O2 . Simulations indicate that the Ti substitution decreases the charge density of Ni ions and improves the antioxidative capability of the material. In addition, the synergistic effect of K+ and Ti4+ significantly reduces the formation energy of Na+ vacancy and delivers an ultra-low lattice strain during the repeated Na+ extraction/insertion. In situ characterizations verify that the complicated phase transformation is mitigated during the charge/discharge process, resulting in greatly improved structure stability. The co-substituted cathode delivers a high-rate capacity of 97 mAh g-1 at 5 C and excellent capacity retention of 81% after 400 cycles at 0.5 C. The full cell paired with commercial hard carbon anode also exhibits high capacity and long cycling life. This dual-ion substitution strategy will provide a universal approach for the new rational design of high-capacity cathode materials for NIBs.
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Affiliation(s)
- Lin‐Rong Wu
- College of Chemical Engineering and TechnologyTaiyuan University of Technology79 Yingze West StreetTaiyuan030024P. R. China
| | - Yu‐Han Zhang
- Qingdao Industrial Energy Storage Research InstituteQingdao Institute of Bioenergy and Bioprocess TechnologyChinese Academy of SciencesQingdao266101P. R. China
- School of Future TechnologyUniversity of Chinese Academy of SciencesBeijing100049P. R. China
| | - Zhen Wu
- State Key Laboratory for Mechanical Behavior of MaterialsXi'an Jiaotong UniversityXi'an710049P.R. China
| | - Jinlv Tian
- College of Chemical Engineering and TechnologyTaiyuan University of Technology79 Yingze West StreetTaiyuan030024P. R. China
| | - Haorui Wang
- College of Chemical Engineering and TechnologyTaiyuan University of Technology79 Yingze West StreetTaiyuan030024P. R. China
| | - Haijun Zhao
- College of Chemical Engineering and TechnologyTaiyuan University of Technology79 Yingze West StreetTaiyuan030024P. R. China
| | - Shoudong Xu
- College of Chemical Engineering and TechnologyTaiyuan University of Technology79 Yingze West StreetTaiyuan030024P. R. China
| | - Liang Chen
- College of ChemistryTaiyuan University of Technology79 Yingze West StreetTaiyuan030024P. R. China
| | - Xiaochuan Duan
- College of Chemical Engineering and TechnologyTaiyuan University of Technology79 Yingze West StreetTaiyuan030024P. R. China
- College of ChemistryTaiyuan University of Technology79 Yingze West StreetTaiyuan030024P. R. China
| | - Ding Zhang
- College of Chemical Engineering and TechnologyTaiyuan University of Technology79 Yingze West StreetTaiyuan030024P. R. China
- School of Chemical Engineering and PharmacyWuhan Institute of TechnologyWuhan430205P. R. China
| | - Huijuan Guo
- School of Chemical Engineering and PharmacyWuhan Institute of TechnologyWuhan430205P. R. China
| | - Ya You
- State Key Laboratory of Advanced Technology for Materials Synthesis and ProcessingWuhan University of TechnologyWuhan430070P. R. China
- International School of Materials Science and EngineeringSchool of Materials and MicroelectronicsWuhan University of TechnologyWuhan430070P. R. China
| | - Zhi Zhu
- School of Energy and EnvironmentSoutheast UniversityNanjing211189P. R. China
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Yuan T, Li S, Sun Y, Wang JH, Chen AJ, Zheng Q, Zhang Y, Chen L, Nam G, Che H, Yang J, Zheng S, Ma ZF, Liu M. A High-Rate, Durable Cathode for Sodium-Ion Batteries: Sb-Doped O3-Type Ni/Mn-Based Layered Oxides. ACS Nano 2022; 16:18058-18070. [PMID: 36259968 DOI: 10.1021/acsnano.2c04702] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
O3-Type layered oxides are widely studied as cathodes for sodium-ion batteries (SIBs) due to their high theoretical capacities. However, their rate capability and durability are limited by tortuous Na+ diffusion channels and complicated phase evolution during Na+ extraction/insertion. Here we report our findings in unravelling the mechanism for dramatically enhancing the stability and rate capability of O3-NaNi0.5Mn0.5-xSbxO2 (NaNMS) by substitutional Sb doping, which can alter the coordination environment and chemical bonds of the transition metal (TM) ions in the structure, resulting in a more stable structure with wider Na+ transport channels. Furthermore, NaNMS nanoparticles are obtained by surface energy regulation during grain growth. The synergistic effect of Sb doping and nanostructuring greatly reduces the ionic migration energy barrier while increasing the reversibility of the structural evolution during repeated Na+ extraction/insertion. An optimized NaNMS-1 electrode delivers a reversible capacity of 212.3 mAh g-1 at 0.2 C and 74.5 mAh g-1 at 50 C with minimal capacity loss after 100 cycles at a low temperature of -20 °C. Such electrochemical performance is superior to most of the reported layered oxide cathodes used in rechargeable SIBs.
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Affiliation(s)
- Tao Yuan
- School of Materials and Chemistry, University of Shanghai for Science & Technology, Shanghai 200093, China
- School of Materials Science and Engineering, Georgia Institute of Technology, Atlanta, Georgia 30332-0245, United States
| | - Siqing Li
- School of Materials and Chemistry, University of Shanghai for Science & Technology, Shanghai 200093, China
| | - Yuanyuan Sun
- School of Materials and Chemistry, University of Shanghai for Science & Technology, Shanghai 200093, China
| | - Jeng-Han Wang
- Department of Chemistry, National Taiwan Normal University, 88, Sec. 4 Ting-Zhou Road, Taipei 11677, Taiwan R.O.C
| | - An-Jie Chen
- Department of Chemistry, National Taiwan Normal University, 88, Sec. 4 Ting-Zhou Road, Taipei 11677, Taiwan R.O.C
| | - Qinfeng Zheng
- School of Chemistry and Chemical Engineering, In Situ Center for Physical Sciences, Shanghai Electrochemical Energy Device Research Center (SEED), Frontiers Science Center for Transformative Molecules, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Yixiao Zhang
- School of Chemistry and Chemical Engineering, In Situ Center for Physical Sciences, Shanghai Electrochemical Energy Device Research Center (SEED), Frontiers Science Center for Transformative Molecules, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Liwei Chen
- School of Chemistry and Chemical Engineering, In Situ Center for Physical Sciences, Shanghai Electrochemical Energy Device Research Center (SEED), Frontiers Science Center for Transformative Molecules, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Gyutae Nam
- School of Materials Science and Engineering, Georgia Institute of Technology, Atlanta, Georgia 30332-0245, United States
| | - Haiying Che
- Shanghai Electrochemical Energy Devices Research Center, Department of Chemical Engineering, Shanghai Jiao Tong University, Shanghai 200240, China
- Zhejiang Natrium Energy Co., Ltd., Shaoxing 312000, China
| | - Junhe Yang
- School of Materials and Chemistry, University of Shanghai for Science & Technology, Shanghai 200093, China
| | - Shiyou Zheng
- School of Materials and Chemistry, University of Shanghai for Science & Technology, Shanghai 200093, China
| | - Zi-Feng Ma
- Shanghai Electrochemical Energy Devices Research Center, Department of Chemical Engineering, Shanghai Jiao Tong University, Shanghai 200240, China
- Zhejiang Natrium Energy Co., Ltd., Shaoxing 312000, China
| | - Meilin Liu
- School of Materials Science and Engineering, Georgia Institute of Technology, Atlanta, Georgia 30332-0245, United States
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Zheng L, Li L, Shunmugasundaram R, Obrovac MN. Effect of Controlled-Atmosphere Storage and Ethanol Rinsing on NaNi 0.5Mn 0.5O 2 for Sodium-Ion Batteries. ACS Appl Mater Interfaces 2018; 10:38246-38254. [PMID: 30360107 DOI: 10.1021/acsami.8b14209] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/29/2023]
Abstract
NaNi0.5Mn0.5O2 is a promising sodium-ion battery cathode material that has been extensively studied. However, the air sensitivity of this material limits practical application and is not well understood. Here, we present a detailed study of NaNi0.5Mn0.5O2 powders stored in different atmospheres (oxygen, argon, and carbon dioxide), either dry or wet. X-ray diffraction and Fourier transform infrared measurements were used to characterize the materials and their surface species before and after controlled-atmosphere storage. It was determined that the exposure of untreated NaNi0.5Mn0.5O2 powders to moisture results in desodiation and material degradation, leading to poor cycling. This effect was found to be caused by reactive surface species. From these results, a simple ethanol washing method was found to significantly reduce the air-reactivity and improve the electrochemical performance of NaNi0.5Mn0.5O2 by removing surface impurities formed by air exposure.
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Affiliation(s)
- Lituo Zheng
- Department of Chemistry , Dalhousie University, Halifax , Nova Scotia B3H 4R2 , Canada
| | - Lingjun Li
- Department of Chemistry , Dalhousie University, Halifax , Nova Scotia B3H 4R2 , Canada
- College of Materials Science and Engineering , Changsha University of Science and Technology , Changsha 410004 , P. R. China
| | | | - M N Obrovac
- Department of Chemistry , Dalhousie University, Halifax , Nova Scotia B3H 4R2 , Canada
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Yuan DD, Wang YX, Cao YL, Ai XP, Yang HX. Improved Electrochemical Performance of Fe-Substituted NaNi0.5Mn0.5O2 Cathode Materials for Sodium-Ion Batteries. ACS Appl Mater Interfaces 2015; 7:8585-8591. [PMID: 25849200 DOI: 10.1021/acsami.5b00594] [Citation(s) in RCA: 47] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
A series of O3-phase NaFe(x)(Ni0.5Mn0.5)(1-x)O2 (x = 0, 0.1, 0.2, 0.3, 0.4, and 1) samples with different Fe contents was prepared and investigated as high-capacity cathodic hosts of Na-ion batteries. The partial substitution of Ni and Mn with Fe in the O3-phase lattice can greatly improve the electrochemical performance and the structural stability. A NaFe0.2Mn0.4Ni0.4O2 cathode with an optimized Fe content of x = 0.2 can deliver an initial reversible capacity of 131 mAh g(-1), a reversible capacity greater than 95% over 30 cycles, and a high rate capacity of 86 mAh g(-1) at 10 C in a voltage range of 2.0-4.0 V. The structural characterizations reveal that pristine NaMn0.5Ni0.5O2 and Fe-substituted NaFe0.2Mn0.4Ni0.4O2 lattices underwent different phase transformations from P3 to P3″ and from P3 to OP2 phases, respectively, at high voltage interval. The as-resulted OP2 phase by Fe substitution has smaller interslab distance (5.13 Å) than the P3″ phase (5.72 Å), which suppresses the co-insertion of the solvent molecules, the electrolyte anions, or both and therefore enhances the cycling stability in the high voltage charge. This finding suggests a new strategy for creating cycle-stable transition-metal oxide cathodes for high-performance Na-ion batteries.
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Affiliation(s)
- Ding D Yuan
- College of Chemistry and Molecular Science, Wuhan University, Wuhan 430072, China
| | - Yan X Wang
- College of Chemistry and Molecular Science, Wuhan University, Wuhan 430072, China
| | - Yu L Cao
- College of Chemistry and Molecular Science, Wuhan University, Wuhan 430072, China
| | - Xin P Ai
- College of Chemistry and Molecular Science, Wuhan University, Wuhan 430072, China
| | - Han X Yang
- College of Chemistry and Molecular Science, Wuhan University, Wuhan 430072, China
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