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author:

Fei, Ban (Fei, Ban.) [1] | Liu, Zhihang (Liu, Zhihang.) [2] | Fu, Junjie (Fu, Junjie.) [3] | Guo, Xuyun (Guo, Xuyun.) [4] | Li, Ke (Li, Ke.) [5] | Zhang, Chaoqi (Zhang, Chaoqi.) [6] | Yang, Xuhui (Yang, Xuhui.) [7] | Cai, Daoping (Cai, Daoping.) [8] (Scholars:蔡道平) | Liu, Ji (Liu, Ji.) [9] | Zhan, Hongbing (Zhan, Hongbing.) [10] (Scholars:詹红兵)

Indexed by:

EI Scopus SCIE

Abstract:

Inevitable dissolution in aqueous electrolytes, intrinsically low electrical conductivity, and sluggish reaction kinetics have significantly hampered the zinc storage performance of vanadium oxide-based cathode materials. Herein, core-shell N-doped carbon-encapsulated amorphous vanadium oxide arrays, prepared via a one-step nitridation process followed by in situ electrochemical induction, as a highly stable and efficient cathode material for aqueous zinc-ion batteries (AZIBs) are reported. In this design, the amorphous vanadium oxide core provides unobstructed ions diffusion routes and abundant active sites, while the N-doped carbon shell can ensure efficient electron transfer and greatly stabilize the vanadium oxide core. The assembled AZIBs exhibit remarkable discharge capacity (0.92 mAh cm(-2) at 0.5 mA cm(-2)), superior rate capability (0.51 mAh cm(-2) at 20 mA cm(-2)), and ultra-long cycling stability (approximate to 100% capacity retention after 500 cycles at 0.5 mA cm(-2) and 97% capacity retention after 10 000 cycles at 20 mA cm(-2)). The working mechanism is further validated by in situ X-ray diffraction combined with ex situ tests. Moreover, the fabricated cathode is highly flexible, and the assembled quasi-solid-state AZIBs present stable electrochemical performance under large deformations. This work offers insights into the development of high-performance amorphous vanadium oxide-based cathodes for AZIBs.

Keyword:

amorphous vanadium oxide cathodes core-shell structure electrochemical induction zinc-ion batteries

Community:

  • [ 1 ] [Fei, Ban]Fuzhou Univ, Coll Mat Sci & Engn, Fuzhou 350108, Peoples R China
  • [ 2 ] [Fu, Junjie]Fuzhou Univ, Coll Mat Sci & Engn, Fuzhou 350108, Peoples R China
  • [ 3 ] [Cai, Daoping]Fuzhou Univ, Coll Mat Sci & Engn, Fuzhou 350108, Peoples R China
  • [ 4 ] [Zhan, Hongbing]Fuzhou Univ, Coll Mat Sci & Engn, Fuzhou 350108, Peoples R China
  • [ 5 ] [Fei, Ban]Trinity Coll Dublin, Ctr Res Adapt Nanostruct & Nanodevices CRANN, Sch Chem, Dublin, Ireland
  • [ 6 ] [Guo, Xuyun]Trinity Coll Dublin, Ctr Res Adapt Nanostruct & Nanodevices CRANN, Sch Chem, Dublin, Ireland
  • [ 7 ] [Li, Ke]Trinity Coll Dublin, Ctr Res Adapt Nanostruct & Nanodevices CRANN, Sch Chem, Dublin, Ireland
  • [ 8 ] [Liu, Ji]Trinity Coll Dublin, Ctr Res Adapt Nanostruct & Nanodevices CRANN, Sch Chem, Dublin, Ireland
  • [ 9 ] [Fei, Ban]Trinity Coll Dublin, Adv Mat Bioengn Res Ctr AMBER, Sch Chem, Dublin, Ireland
  • [ 10 ] [Guo, Xuyun]Trinity Coll Dublin, Adv Mat Bioengn Res Ctr AMBER, Sch Chem, Dublin, Ireland
  • [ 11 ] [Li, Ke]Trinity Coll Dublin, Adv Mat Bioengn Res Ctr AMBER, Sch Chem, Dublin, Ireland
  • [ 12 ] [Liu, Ji]Trinity Coll Dublin, Adv Mat Bioengn Res Ctr AMBER, Sch Chem, Dublin, Ireland
  • [ 13 ] [Liu, Zhihang]Guangxi Univ, Sch Resources Environm & Mat, Nanning 530004, Peoples R China
  • [ 14 ] [Zhang, Chaoqi]Catalonia Inst Energy Res IREC, Barcelona 08930, Spain
  • [ 15 ] [Zhang, Chaoqi]Univ Barcelona, Dept Elect & Biomed Engn, Barcelona 08028, Spain
  • [ 16 ] [Yang, Xuhui]Fujian Normal Univ, Coll Environm Sci & Engn, Fujian Key Lab Pollut Control & Resource Reuse, Fuzhou 350007, Peoples R China

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Source :

ADVANCED FUNCTIONAL MATERIALS

ISSN: 1616-301X

Year: 2023

Issue: 32

Volume: 33

1 8 . 5

JCR@2023

1 8 . 5 0 0

JCR@2023

ESI Discipline: MATERIALS SCIENCE;

ESI HC Threshold:49

JCR Journal Grade:1

CAS Journal Grade:1

Cited Count:

WoS CC Cited Count: 33

SCOPUS Cited Count: 36

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 1

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