Introduction

Lithium ion batteries have applications in laptops, mobile phones, cars and even

airplanes as they offer a high energy density and low self-discharge. However,

aqueous cathode slurries are subject to strong particles agglomeration leading to

an alteration of the mechanical properties of the electrode and a shorter shelf life.

Polymers such as Poly(acrylic acid) (PAA) are classically used to improve the

particles stability by adsorption. In this application note, stability of cathode slurry

was investigated for dispersions of LiFePO4 (LFP) and Carbon Black (CB) particles

supplemented with PAA in function of the pH to understand polymer adsorption

effect on stability