Sulfur encapsulated in porous hollow CNTs@CNFs for high-performance lithium–sulfur batteries

Author:

Chen Yuming12345,Li Xiaoyan12,Park Kyu-Sung345,Hong Jianhe345,Song Jie345,Zhou Limin12,Mai Yiu-Wing12678,Huang Haitao9102,Goodenough John B.345

Affiliation:

1. Department of Mechanical Engineering The Hong Kong Polytechnic University

2. Hong Kong, China

3. Texas Materials Institute and Materials Science and Engineering Program

4. The University of Texas at Austin

5. Austin, USA

6. Centre for Advanced Materials Technology (CAMT)

7. School of Aerospace, Mechanical and Mechatronics Engineering J07

8. The University of Sydney

9. Department of Applied Physics

10. The Hong Kong Polytechnic University

Abstract

A novel carbon-sulfur nanoarchitecture with a high Brunauer–Emmett–Teller (BET) specific surface area of ~80 m2 g−1 and a total pore volume of ~0.2cm3 g−1 shows a high capacity of ~ 700 mAh g−1 at 1 C and 520 mAh g−1 at 5 C after 100 cycles, which makes it a superior cathode material for a rechargeable Li–S battery.

Publisher

Royal Society of Chemistry (RSC)

Subject

General Materials Science,Renewable Energy, Sustainability and the Environment,General Chemistry

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