AUTHOR=Zhang Jinli , Chen Zi-He 

TITLE=Preparation and Electrochemical Properties of Mesoporous NiFe2O4/N-Doped Carbon Nanocomposite as an Anode for Lithium Ion Battery

JOURNAL=Frontiers in Materials

VOLUME=7

YEAR=2020

URL=https://www.frontiersin.org/journals/materials/articles/10.3389/fmats.2020.00178

DOI=10.3389/fmats.2020.00178

ISSN=2296-8016

ABSTRACT=<p>The NiFe<sub>2</sub>O<sub>4</sub>/nitrogen doped carbon composite was synthesized via calcination of NiFe-MOF in a N<sub>2</sub> atmosphere. Nitrogen-doped carbon not only improves the conductivity of the carbon-based material, but also provides pathway, allowing Li<sup>+</sup> diffusion rapidly during the charge and discharge processes. The electrochemical data reveal that NiFe<sub>2</sub>O<sub>4</sub>/nitrogen-doped carbon nanocomposite delivers a capacity as high as 760 mAh·g<sup>−1</sup> at 0.2 C after 50 cycles, and show good rate performance by remaining a capacity of 600 mAh·g<sup>−1</sup> even at 1 C. The excellent electrochemical characteristics might be contributed to the NiFe<sub>2</sub>O<sub>4</sub> ordered nanorod structure, well-marked porosity, and as well as the composition of nitrogen-doped carbon.</p>