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Materials Technology
Advanced Performance Materials
Volume 35, 2020 - Issue 9-10: Future materials for energy conversion and storage
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Research Paper

Spinel structured LiMn2O4 prepared by laser annealing

Binggong YanFujian Key Laboratory of Special Energy Manufacturing, Xiamen Key Laboratory of Digital Vision Measurement, Huaqiao University, Xiamen, ChinaView further author information
,
Shaoning LinFujian Key Laboratory of Special Energy Manufacturing, Xiamen Key Laboratory of Digital Vision Measurement, Huaqiao University, Xiamen, ChinaORCID Iconhttps://orcid.org/0000-0002-5178-7064View further author information
ORCID Icon,
Lei KangFujian Key Laboratory of Special Energy Manufacturing, Xiamen Key Laboratory of Digital Vision Measurement, Huaqiao University, Xiamen, ChinaView further author information
,
Xuan SongFujian Key Laboratory of Special Energy Manufacturing, Xiamen Key Laboratory of Digital Vision Measurement, Huaqiao University, Xiamen, ChinaView further author information
,
Zhao TianFujian Key Laboratory of Special Energy Manufacturing, Xiamen Key Laboratory of Digital Vision Measurement, Huaqiao University, Xiamen, ChinaView further author information
&
Kaiyong JiangFujian Key Laboratory of Special Energy Manufacturing, Xiamen Key Laboratory of Digital Vision Measurement, Huaqiao University, Xiamen, ChinaCorrespondence[email protected]
View further author information
Pages 606-611 | Received 13 Dec 2019, Accepted 24 Jan 2020, Published online: 03 Feb 2020
 
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ABSTRACT

Laser annealing is used for preparation of LiMn2O4. The electrochemical characterisation shows that the cycle performance of spinel LiMn2O4 is dependent on the power of the laser and the amount of lithium excess. X-ray diffraction is used to study the phase evolution of laser-annealed LiMn2O4. The morphology of LiMn2O4 particles is observed by scanning electron microscope. Electrochemical tests show that the initial capacity of the laser-annealed LiMn2O4 is less than the untreated LiMn2O4, but the cycle performance improved noticeably.

Additional information

Funding

This work was supported by National Natural Science Foundation of China [51475174], Xiamen Industry-University-Research Collaborative Innovation Project [3502Z20193026], Scientific Research Funds of Huaqiao University [Z16Y0020] and Subsidized Project for Postgraduates’ Innovative Fund in Scientific Research of Huaqiao University.

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