Water-based slurries for high-energy LiFePO4 batteries using embroidered current collectors.

ABSTRACT: Greater specific energy densities in lithium-ion batteries can be achieved by using three-dimensional (3D) porous current collectors, which allow for greater areal mass loadings of the electroactive material. In this paper, we present the use of embroidered current collectors for the preparation of thick, pouch-type Li-ion batteries. Experiments were performed on LiFePO₄ (LFP) water-based slurries using styrene-butadiene rubber (SBR) as binder and sodium carboxymethyl cellulose (CMC) as thickener, and formulations of different rheological characteristics were investigated. The electrochemical performance (cyclic voltammetry, rate capability) and morphological characteristics of the LFP half-pouch cells (X-ray micro computed tomography and scanning electron microscopy) were compa

SUBMITTER: Aguilo-Aguayo N 

PROVIDER: S-EPMC7101393 | biostudies-literature | 2020 Mar

REPOSITORIES: biostudies-literature