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Rational Design of Preintercalated Electrodes for Rechargeable Batteries

Yao, Xuhui, Zhao, Yunlong, Castro, Fernando A. and Mai, Liqiang (2019) Rational Design of Preintercalated Electrodes for Rechargeable Batteries ACS Energy Letters, 4 (3). pp. 771-778.

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Abstract

Rational design of the morphology and complementary compounding of electrode materials have contributed substantially to improving battery performance, yet the capabilities of conventional electrode materials have remained limited in some key parameters including energy and power density, cycling stability, etc. because of their intrinsic properties, especially the restricted thermodynamics of reactions and the inherent slow diffusion dynamics induced by the crystal structures. In contrast, preintercalation of ions or molecules into the crystal structure with/without further lattice reconstruction could provide fundamental optimizations to overcome these intrinsic limitations. In this Perspective, we discuss the essential optimization mechanisms of preintercalation in improving electronic conductivity and ionic diffusion, inhibiting “lattice breathing” and screening the carrier charge. We also summarize the current challenges in preintercalation and offer insights on future opportunities for the rational design of preintercalation electrodes in next-generation rechargeable batteries.

Item Type: Article
Divisions : Faculty of Engineering and Physical Sciences > Electronic Engineering > Advanced Technology Institute
Authors :
NameEmailORCID
Yao, Xuhui
Zhao, Yunlongyunlong.zhao@surrey.ac.uk
Castro, Fernando A.
Mai, Liqiang
Date : 8 March 2019
DOI : 10.1021/acsenergylett.8b02555
Depositing User : Maria Rodriguez-Marquez
Date Deposited : 30 May 2019 13:33
Last Modified : 30 May 2019 13:33
URI: http://epubs.surrey.ac.uk/id/eprint/851817

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