State of the art and open questions on cathode preparation based on carbon coated lithium iron phosphate

Add time:08/15/2019    Source:sciencedirect.com

One important component with particular relevance in battery performance is the cathode, being one of the main responsible elements for cell capacity and cycle life.Carbon coated lithium iron phosphate, C–LiFePO4, active material is one of the most promising cathode materials for the next generation of large scale lithium ion battery applications and strong research efforts are being devoted to it, due to its excellent characteristics, including high capacity, ∼170 mAh/g, and safety.This review summarizes the main developments on C–LiFePO4 based cathode film preparation and performance. The effect of the binder, conductive additive, relationship between active material–binder–conductive additive and drying step, in the electrode film fabrication and performance is presented and discussed. Finally, after the presentation of the cell types fabricated with C–LiFePO4 active material and their performance, some conclusions and guidelines for further investigations are outlined.

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