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, 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:	10 Mar 2020 18:05
URI:	http://orca.cf.ac.uk/id/eprint/129549

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