Influence of operating temperature on Li2ZnTi3O8 anode performance and high-rate charging activity of Li-ion battery

Inamdar, Akbar I., Ahmed, Abu Talha Aqueel, Chavan, Harish S., Jo, Yongcheol, Cho, Sangeun, Kim, Jongmin, Pawar, Sambhaji M., Hou, Bo ORCID: https://orcid.org/0000-0001-9918-8223, Cha, SeungNam, Kim, Hyungsang and Im, Hyunsik 2018. Influence of operating temperature on Li2ZnTi3O8 anode performance and high-rate charging activity of Li-ion battery. Ceramics International 44 (15) , pp. 18625-18632. 10.1016/j.ceramint.2018.07.087

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Abstract

The temperature-dependent performance of a Li2ZnTi3O8 (LZTO) anode and the ultrafast-charging activity of a Li-ion battery were investigated. The LZTO anode operates at different temperatures between − 5 and 55 °C and in this work its sustainability is discussed in terms of storage performance. It delivered a discharge capacity of 181.3 mA h g−1 at 25 °C, which increased to 227.3 mA h g−1 at 40 °C and 131.2 mA h g−1 at − 5 °C. The variation in the discharge capacity with temperature is associated with the reaction kinetics and the change in internal resistance. It showed a capacity retention of 64% and a coulombic efficiency of 98% over 500 cycles. Exhibiting a discharge capacity of 107 mA h g−1, the LZTO anode was sustainable over 100 charge-discharge cycles at an ultra-high charging rate of 10 Ag−1. The reaction kinetics estimated from a cyclic voltammetry analysis at high scan rates revealed a capacitive-type storage mechanism.

Item Type:	Article
Date Type:	Publication
Status:	Published
Schools:	Physics and Astronomy
Publisher:	Elsevier
ISSN:	0272-8842
Date of First Compliant Deposit:	25 February 2020
Date of Acceptance:	9 July 2018
Last Modified:	25 Nov 2024 18:15
URI:	https://orca.cardiff.ac.uk/id/eprint/129549

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