ISSN: 0256-1115 (print version) ISSN: 1975-7220 (electronic version)
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In relation to this article, we declare that there is no conflict of interest.
Publication history
Received September 8, 2023
Accepted November 8, 2023
articles This is an Open-Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/bync/3.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.
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Most Cited

Breaking Limits of Li-Ion Batteries with High-Voltage Spinel LiNi 0.5 Mn 1.5 O 4 Nanofi ber/Carbon Nanotube Composite Cathodes

School of Materials Science and Engineering , University of Ulsan 1Department of Chemistry and Bavarian Center for Battery Technology (BayBatt) , University of Bayreuth
Korean Journal of Chemical Engineering, May 2024, 41(5), 1513-1520(8), https://doi.org/10.1007/s11814-024-00099-0

Abstract

Spinel-structured LiNi 0.5 Mn 1.5 O 4 (LNMO), which is used as a cathode material for lithium-ion batteries, off ers economic and

eco-friendly advantages, as it operates at a high voltage of 5 V and does not require expensive cobalt. However, challenges

such as low electronic conductivity and volume changes due to phase transitions during charging and discharging at 3 V

or lower persist, resulting in capacity degradation. In this study, LNMO nanofi bers were created using the electrospinning

method to tackle the volume expansion issue and maintain structural integrity of the material. In addition, the electrode was

constructed with carbon nanotubes as a conductive material to improve electronic conductivity. Electrochemical evaluations

showed that LNMO nanofi bers combined with carbon nanotubes exhibited a higher capacity and outstanding cyclability

compared to LNMO powder.

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