Pyrochlore-type composite oxide Co2Sb2O7@C: advanced anode material for lithium-ion batteries

被引：2
作者：
Liu, Xiaofei [1 ]
Wu, Yuandong [1 ]
Mei, Dajiang [1 ]
Wen, Shaoguo [1 ]
机构：
[1] Shanghai Univ Engn Sci, Coll Chem & Chem Engn, Longteng Rd 333, Shanghai 201620, Peoples R China
来源：
IONICS | 2023年 / 29卷 / 9期
基金：
中国国家自然科学基金;
关键词：
Lithium-ion batteries; Pyrochlore structure; Anode materials; CRYSTAL-STRUCTURE; ANTIMONY OXIDES; TIO2; ANATASE; PERFORMANCE; CARBON; STORAGE; CO; NANOCOMPOSITES; REACTIVITY; NANOSHEETS;
D O I：
10.1007/s11581-023-05144-2
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
The pyrochlore-type material Co2Sb2O7@C was synthesized through high-temperature solid-state reactions. Co2Sb2O7 and Co2Sb2O7@C were characterized by PXRD, XPS, SEM, EDS, and BET. At the current density of 200 mA g(-1), the first cycle discharge capacity of Co2Sb2O7@C is 1266 mAh g(-1). After 100 cycles, the specific discharge capacity can still reach 463 mAh g(-1), which is higher than the 76 mAh g(-1) of Co2Sb2O7. With the increase in scanning rate, the contribution rate of the Co2Sb2O7@C pseudo-capacitor varies from 69.2 to 92.5%. The electrochemical performance is due to the conversion and alloying reaction of Li3Sb, the coating of amorphous carbon, and the contribution of pseudo-capacitance.
引用
收藏
页码：3473 / 3482
页数：10
相关论文
共 46 条
  • [1] Crystal structure of Ca2Ln3Sb3O14 (Ln = La, Pr, Nd and Y): A novel variant of weberite
    Au, Y. S.
    Fu, W. T.
    Ijdo, D. J. W.
    [J]. JOURNAL OF SOLID STATE CHEMISTRY, 2007, 180 (11) : 3166 - 3171
  • [2] Nanocrystalline Gd2Ti2O7 Pyrochlore Material for NIR Reflective Pigment Application: Micro-Structural and Optical Studies
    Balamurugan, S.
    Dheebikha, K.
    Raja, T. S. Gokul
    [J]. JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY, 2016, 16 (01) : 677 - 688
  • [3] The high selectivity for benzoic acid formation on Ca2Sb2O7 enables efficient and stable toluene mineralization
    Chen, Lvcun
    Cui, Wen
    Li, Jieyuan
    Wang, Hong
    Dong, Xing'an
    Chen, Peng
    Zhou, Ying
    Dong, Fan
    [J]. APPLIED CATALYSIS B-ENVIRONMENTAL, 2020, 271 (271)
  • [4] Template-Free Synthesis of Cobalt Silicate Nanoparticles Decorated Nanosheets for High Performance Lithium Ion Batteries
    Dong, Qiuchun
    Yang, Jun
    Wu, Meiyan
    Zhou, Xiaoya
    Zhang, Yizhou
    Wang, Wenjun
    Si, Weili
    Huang, Wei
    Dong, Xiaochen
    [J]. ACS SUSTAINABLE CHEMISTRY & ENGINEERING, 2018, 6 (11): : 15591 - +
  • [5] Li3V2(PO4)3@C core-shell nanocomposite as a superior cathode material for lithium-ion batteries
    Duan, Wenchao
    Hu, Zhe
    Zhang, Kai
    Cheng, Fangyi
    Tao, Zhanliang
    Chen, Jun
    [J]. NANOSCALE, 2013, 5 (14) : 6485 - 6490
  • [6] Evaluation of reduced graphene oxide-supported NiSb2O6 nanocomposites for reversible lithium storage
    Han, Jin
    Xu, Maowen
    Jia, Min
    Liu, Ting
    [J]. CERAMICS INTERNATIONAL, 2016, 42 (13) : 14782 - 14787
  • [7] Antimony-based materials as promising anodes for rechargeable lithium-ion and sodium-ion batteries
    He, Jun
    Wei, Yaqing
    Zhai, Tianyou
    Li, Huiqiao
    [J]. MATERIALS CHEMISTRY FRONTIERS, 2018, 2 (03) : 437 - 455
  • [8] Electrical conductivities and chemical stabilities of mixed conducting pyrochlores for SOFC applications
    Holtappels, P
    Poulsen, FW
    Mogensen, M
    [J]. SOLID STATE IONICS, 2000, 135 (1-4) : 675 - 679
  • [9] Sodium/Lithium Storage Behavior of Antimony Hollow Nanospheres for Rechargeable Batteries
    Hou, Hongshuai
    Jing, Mingjun
    Yang, Yingchang
    Zhu, Yirong
    Fang, Laibing
    Song, Weixin
    Pan, Chengchi
    Yang, Xuming
    Ji, Xiaobo
    [J]. ACS APPLIED MATERIALS & INTERFACES, 2014, 6 (18) : 16189 - 16196
  • [10] Facile Synthesis of Hierarchical CoSeO3•2H2O Nanoflowers Assembled by Nanosheets as a Novel Anode Material for High-Performance Lithium-Ion Batteries
    Ji, Xiao-Xu
    Zhao, Qing-Huai
    Chen, Hao
    Luo, Xin-Wei
    Shang, Yi
    Liu, Xiao-Di
    [J]. NANOMATERIALS, 2022, 12 (14)
12345