Conveying Advanced Li-ion Battery Materials into Practice The Impact of Electrode Slurry Preparation Skills

Alexander Kraytsberg, Yair Ein-Eli

פרסום מחקרי: פרסום בכתב עתסקירהביקורת עמיתים

תקציר

Li-ion batteries (LIB's) are of the greatest practical utility for portable electronics and electric vehicles (EV's). LIB energy, power and cycle life performances depend on cathode and anode compositions and morphology, electrolyte composition and the overall cell design. Electrode morphology is influenced by the shape and size of the active material (AM), conductive additive (CA) particles, the polymeric binder properties, and also on the AM/CA/binder mass ratio. At the same time, it also substantially depends on the electrode preparation process. This process is usually comprised of mixing a solvent, a binder, AM and CA powders, and casting the resulting slurry onto a current collector foil followed by a drying process. Whereas the problems of electrode morphology and their influence on the LIB-electrode performance always receive a proper attention, the influence of slurry properties and slurry preparation techniques on the electrode morphology is often overlooked or at least underrated. The present work summarizes the current state-of-the-art in the field of LIB-electrode precursor slurries preparation, characterized by multicomponent compounds and large variations in sizes and shapes of the solid components. Approaches to LIB-electrode slurry preparation are outlined and discussed in the context of the ultimate LIB-electrode morphology and performance.

שפה מקוריתאנגלית
מספר המאמר1600655
כתב עתAdvanced Energy Materials
כרך6
מספר גיליון21
מזהי עצם דיגיטלי (DOIs)
סטטוס פרסוםפורסם - 9 נוב׳ 2016

ASJC Scopus subject areas

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