journal article·2022-01

Pod‐Like Fe7S8@N−C Nanowires for High Performance Sodium Ion Batteries

Yaqian Dong, Yaohui Zhang, Nana Wang, Guifu Zou, Qiang Zhang, Shengquan Gan, Liang He, Zhongchao Bai

Batteries & Supercaps· Volume 5· Issue 1
Publisher page

Abstract

Abstract One dimensional Fe7S8@N−C nanocomposite, consisting of Fe7S8 nanoparticles homogeneously embedded in N‐doped carbon nanowires, was synthesized by a facile hydrothermal‐annealing process. As an anode material for sodium‐ion batteries, the electrode exhibited capacities of 481 mA h g−1 after 1000 cycles at 5 A g−1 and 591 mA h g−1 at 200 mA g−1 with a retention ratio of 91 %. The excellent rate performance and cycling stability can be attributed to the synergistic effects of the one‐dimensional N‐doped carbon and ultra‐small Fe7S8 particles, which will improve electrical conductivity and alleviate the volume expansion of the electrode during cycling. This work will afford a great reference for further development of iron sulfides‐based anode materials towards high‐performance sodium‐ion batteries.
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Research context

OpenAlex topics: Advancements in Battery Materials · Supercapacitor Materials and Fabrication · Magnetic Properties and Synthesis of Ferrites

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

College of Materials Science and Engineering Taiyuan University of Technology Taiyuan 030024 China

School of Energy and Power Engineering North University of China Taiyuan 030051 China

Institute for Superconducting and Electronic Materials Australian Institute for Innovative Materials University of Wollongong Innovation Campus North Wollongong New South Wales 2500 Australia

College of Mechanical and Electronic Engineering Shandong University of Science and Technology Qingdao 266590 China

National Photovoltaic Engineering Research Center,LDK Solar Co.,Ltd Xinyu 338032 China

Jiangxi Xinyu New Material Technology Research Institute Xinyu 338004 China

Funding

Shanxi Province Science Foundation for Youths · Australian Research Council

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