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[期刊论文]

SnCo-CMK nanocomposite with improved electrochemical performance for lithium-ion batteries

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author:

Zeng, L. (Zeng, L..) [1] | Deng, C. (Deng, C..) [2] | Zheng, C. (Zheng, C..) [3] | Unfold

Indexed by:

Scopus

Abstract:

Abstract In the present work, SnCo-CMK nanocomposite was successfully synthesized for the first time via a simple nanocasting route by using mesoporous carbon as nano-reactor. The nanocomposite was then characterized by means of X-ray diffraction (XRD), thermogravimetric analysis (TG), N2 adsorption-desorption, scanning and transmission electron microscopy (SEM/TEM) respectively. Furthermore, the SnCo-CMK nanocomposite exhibited large reversible capacities, excellent cycling stability and enhanced rate capability when employed as an anode material for lithium-ion batteries. A large reversible capacity of 562 mA h g-1 was obtained after 60 cycles at a current density of 0.1 A g-1 which is attributed to the structure of 'meso-nano' SnCo-CMK composite. This unique structure ensures the intimate contact between CMK and SnCo nanoparticles, buffers the large volume expansion and prevents the aggregation of the SnCo nanoparticles during cycling, leading to the excellent cycling stability and enhanced rate capability. © 2015 Elsevier Ltd.

Keyword:

A Composites; A Electrochemical properties; D Energy storage Nanostructures; D

Community:

  • [ 1 ] [Zeng, L.]College of Environment Science and Engineering, Fujian Normal University, Fuzhou, Fujian 350007, China
  • [ 2 ] [Zeng, L.]Fujian Key Laboratory of Pollution Control and Resource Reuse, Fuzhou, Fujian 350007, China
  • [ 3 ] [Deng, C.]Institute of Advanced Energy Materials, Fuzhou University, Fuzhou, Fujian 350002, China
  • [ 4 ] [Zheng, C.]Institute of Advanced Energy Materials, Fuzhou University, Fuzhou, Fujian 350002, China
  • [ 5 ] [Qiu, H.]Institute of Advanced Energy Materials, Fuzhou University, Fuzhou, Fujian 350002, China
  • [ 6 ] [Qian, Q.]College of Environment Science and Engineering, Fujian Normal University, Fuzhou, Fujian 350007, China
  • [ 7 ] [Qian, Q.]Fujian Key Laboratory of Pollution Control and Resource Reuse, Fuzhou, Fujian 350007, China
  • [ 8 ] [Chen, Q.]College of Environment Science and Engineering, Fujian Normal University, Fuzhou, Fujian 350007, China
  • [ 9 ] [Chen, Q.]Fujian Key Laboratory of Pollution Control and Resource Reuse, Fuzhou, Fujian 350007, China
  • [ 10 ] [Wei, M.]Institute of Advanced Energy Materials, Fuzhou University, Fuzhou, Fujian 350002, China

Reprint 's Address:

  • [Qian, Q.]College of Environment Science and Engineering, Fujian Normal UniversityChina

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Source :

Materials Research Bulletin

ISSN: 0025-5408

Year: 2015

Volume: 71

Page: 42-47

2 . 4 3 5

JCR@2015

5 . 3 0 0

JCR@2023

ESI HC Threshold:335

JCR Journal Grade:2

CAS Journal Grade:3

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count: 8

30 Days PV: 1

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