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author:

Yin, Haiyan (Yin, Haiyan.) [1] | Zhan, Guanghao (Zhan, Guanghao.) [2] | Yan, Ruibo (Yan, Ruibo.) [3] | Wu, Xiaohui (Wu, Xiaohui.) [4] | Hu, Qianqian (Hu, Qianqian.) [5] | Huang, Xiaoying (Huang, Xiaoying.) [6]

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EI Scopus SCIE

Abstract:

Antimony sulfide (Sb2S3) has a high theoretical specific capacity due to its two reaction mechanisms of conversion and alloying during the Li+-(de)intercalation process, thus becoming a promising lithium-ion battery (LIB) anode material. However, its poor inherent conductivity and large volume expansion during repeated Li+-(de)intercalation processes greatly hinder the in-depth development of Sb2S3 based LIB anode materials. Herein, an Sb2S3/SnO2@rGO composite was prepared by using an interface engineering technique involving metal-containing ionic liquid precursors, in which Sb2S3/SnO2 quantum dots (QDs) as p-n heterojunctions are uniformly anchored on the surface of reduced graphene oxide (rGO). The p-n heterogeneous interface between Sb2S3 and SnO2 QDs induces an internal electric field, promoting the electronic/ion transport during electrochemical reactions, and the QD-sized Sb2S3/SnO2 heterostructure with a larger surface area provides more active sites for Li+-(de)intercalation reactions. In addition, the rGO matrix acts as a buffer to prevent the aggregation of active Sb2S3 and SnO2 QDs, alleviate the volume expansion, and enhance the conductivity of the composite during repeated cycles. These advantages endow the designed Sb2S3/SnO2@rGO electrode with excellent reaction kinetics and good long cycling stability. As an anode material of LIBs, it can still provide a reversible specific capacity of 474 mA h g(-1) after 2000 cycles at a high current density of 3.0 A g(-1), which is superior to those of most of the previously reported Sb2S3-based carbon materials. The p-n heterostructure construction strategy of nano-metal sulfide/metal oxides in this work can provide inspiration for the design and synthesis of other advanced energy storage materials.

Keyword:

Community:

  • [ 1 ] [Yin, Haiyan]Chinese Acad Sci, Fujian Inst Res Struct Matter, State Key Lab Struct Chem, Fuzhou 350002, Peoples R China
  • [ 2 ] [Zhan, Guanghao]Chinese Acad Sci, Fujian Inst Res Struct Matter, State Key Lab Struct Chem, Fuzhou 350002, Peoples R China
  • [ 3 ] [Yan, Ruibo]Chinese Acad Sci, Fujian Inst Res Struct Matter, State Key Lab Struct Chem, Fuzhou 350002, Peoples R China
  • [ 4 ] [Hu, Qianqian]Chinese Acad Sci, Fujian Inst Res Struct Matter, State Key Lab Struct Chem, Fuzhou 350002, Peoples R China
  • [ 5 ] [Huang, Xiaoying]Chinese Acad Sci, Fujian Inst Res Struct Matter, State Key Lab Struct Chem, Fuzhou 350002, Peoples R China
  • [ 6 ] [Yin, Haiyan]Fuzhou Univ, Coll Chem, Fuzhou 350108, Peoples R China
  • [ 7 ] [Zhan, Guanghao]Fuzhou Univ, Coll Chem, Fuzhou 350108, Peoples R China
  • [ 8 ] [Yan, Ruibo]Fujian Normal Univ, Coll Chem & Mat Sci, Fuzhou 350007, Peoples R China
  • [ 9 ] [Wu, Xiaohui]Fujian Normal Univ, Coll Chem & Mat Sci, Fuzhou 350007, Peoples R China
  • [ 10 ] [Yin, Haiyan]Univ Chinese Acad Sci, Fujian Coll, Fuzhou 350002, Peoples R China
  • [ 11 ] [Hu, Qianqian]Univ Chinese Acad Sci, Fujian Coll, Fuzhou 350002, Peoples R China
  • [ 12 ] [Huang, Xiaoying]Univ Chinese Acad Sci, Fujian Coll, Fuzhou 350002, Peoples R China

Reprint 's Address:

  • [Hu, Qianqian]Chinese Acad Sci, Fujian Inst Res Struct Matter, State Key Lab Struct Chem, Fuzhou 350002, Peoples R China;;[Hu, Qianqian]Univ Chinese Acad Sci, Fujian Coll, Fuzhou 350002, Peoples R China

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Source :

DALTON TRANSACTIONS

ISSN: 1477-9226

Year: 2024

Issue: 16

Volume: 53

Page: 7142-7151

3 . 5 0 0

JCR@2023

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 2

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