Silicon Anodes for Lithium‐Ion Batteries Based on a New Polyimide Binder

Author:

Lusztig David12ORCID,Luski Shalom12,Shpigel Netanel3,Vangapally Naresh12,Aurbach Doron12ORCID

Affiliation:

1. Department of Chemistry Institute of Nanotechnology and Advanced Materials (BINA) Bar-Ilan University

2. INIES – Israel National Institute of Energy Storage Ramat-Gan 5290002 Israel

3. Department of Chemical Sciences Ariel University Kiryat Hamada 3 Ariel 40700 Israel

Abstract

AbstractSilicon is a promising candidate for replacing graphite in anodes for advanced Li‐ion batteries due to its high theoretical gravimetric energy density. However, silicon as an active anode material suffers from significant volume changes upon lithiation/delithiation, causing fast capacity fading. The performance of silicon anodes depends on the polymeric binders used, which form well‐bound Si particles matrices that accommodate the strains developed during their repeated lithiation, thus maintaining their integrity.

Publisher

Wiley

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