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author:

Hong, Zhensheng (Hong, Zhensheng.) [1] | Kang, Meiling (Kang, Meiling.) [2] | Chen, Xiaohui (Chen, Xiaohui.) [3] | Zhou, Kaiqiang (Zhou, Kaiqiang.) [4] | Huang, Zhigao (Huang, Zhigao.) [5] | Wei, Mingdeng (Wei, Mingdeng.) [6]

Indexed by:

EI

Abstract:

TiO2 is a most promising anode candidate for rechargeable Na-ion batteries (NIBs) because of its appropriate working voltage, low cost, and superior structural stability during chage/discharge process. Nevertheless, it suffers from intrinsically low electrical conductivity. Herein, we report an in situ synthesis of Co2+-doped TiO2 through the thermal treatment of metal organic frameworks precursors of MIL-125(Ti)-Co as a superior anode material for NIBs. The Co2+-doped TiO2 possesses uniform nanodisk morphology, a large surface area and mesoporous structure with narrow pore distribution. The reversible capacity, Coulombic efficiency (CE) and rate capability can be improved by Co2+ doping in mesoporous TiO2 anode. Co2+-doped mesoporous TiO2 nanodisks exhibited a high reversible capacity of 232 mAhg-1 at 0.1 Ag1-, good rate capability and cycling stability with a stable capacity of about 140 mAhg-1 at 0.5 Ag1- after 500 cycles. The enhanced Na-ion storage performance could be due to the increased electrical conductivity revealed by Kelvin probe force microscopy measurements. © 2017 American Chemical Society.

Keyword:

Anodes Crystalline materials Electric conductivity Mesoporous materials Metal ions Morphology Organometallics Sodium compounds Sodium-ion batteries Stability Titanium dioxide

Community:

  • [ 1 ] [Hong, Zhensheng]Fujian Provincial Key Laboratory of Quantum Manipulation and New Energy Materials, College of Physics and Energy, Fujian Normal University, Fuzhou, Fujian; 350117, China
  • [ 2 ] [Hong, Zhensheng]Fujian Prov. Collaborative Innovation Center for Optoelectronic Semiconductors and Efficient Devices, Xiamen; 361005, China
  • [ 3 ] [Hong, Zhensheng]Institute of Advanced Energy Materials, Fuzhou University, Fuzhou, Fujian; 350002, China
  • [ 4 ] [Kang, Meiling]Fujian Provincial Key Laboratory of Quantum Manipulation and New Energy Materials, College of Physics and Energy, Fujian Normal University, Fuzhou, Fujian; 350117, China
  • [ 5 ] [Kang, Meiling]Institute of Advanced Energy Materials, Fuzhou University, Fuzhou, Fujian; 350002, China
  • [ 6 ] [Chen, Xiaohui]Fujian Provincial Key Laboratory of Quantum Manipulation and New Energy Materials, College of Physics and Energy, Fujian Normal University, Fuzhou, Fujian; 350117, China
  • [ 7 ] [Zhou, Kaiqiang]Fujian Provincial Key Laboratory of Quantum Manipulation and New Energy Materials, College of Physics and Energy, Fujian Normal University, Fuzhou, Fujian; 350117, China
  • [ 8 ] [Huang, Zhigao]Fujian Provincial Key Laboratory of Quantum Manipulation and New Energy Materials, College of Physics and Energy, Fujian Normal University, Fuzhou, Fujian; 350117, China
  • [ 9 ] [Huang, Zhigao]Fujian Prov. Collaborative Innovation Center for Optoelectronic Semiconductors and Efficient Devices, Xiamen; 361005, China
  • [ 10 ] [Wei, Mingdeng]Institute of Advanced Energy Materials, Fuzhou University, Fuzhou, Fujian; 350002, China

Reprint 's Address:

  • [hong, zhensheng]fujian provincial key laboratory of quantum manipulation and new energy materials, college of physics and energy, fujian normal university, fuzhou, fujian; 350117, china;;[hong, zhensheng]institute of advanced energy materials, fuzhou university, fuzhou, fujian; 350002, china;;[hong, zhensheng]fujian prov. collaborative innovation center for optoelectronic semiconductors and efficient devices, xiamen; 361005, china

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Source :

ACS Applied Materials and Interfaces

ISSN: 1944-8244

Year: 2017

Issue: 37

Volume: 9

Page: 32071-32079

8 . 0 9 7

JCR@2017

8 . 5 0 0

JCR@2023

ESI HC Threshold:306

JCR Journal Grade:1

CAS Journal Grade:2

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count: 63

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 3

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