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Abstract

To determine the effect of cross-linking in polymer binders on gravimetric capacity and retention in charge/discharge cycling of lithium-ion batteries containing silicon anodes, polymers with a varied chemiophysical characters have been studied as electrode binders. Here we report the utilization of cross-linked polyborosiloxanes and a boron-modified organosilicate as binders for nanoparticulate silicon-containing anodes for lithium-ion batteries. We show that highly cross-linked binders enable a large degree of capacity to be accessed and that capacity retention is greater when the electrodes are cycled in half cells. More extensive analysis of the boron-modified organosilicate is further explored.

Document Type

Article

Publication Date

3-14-2018

Notes/Citation Information

Published in Journal of The Electrochemical Society, v. 165, issue 5, p. A731-A735.

© The Author(s) 2018. Published by ECS.

This is an open access article distributed under the terms of the Creative Commons Attribution Non-Commercial No Derivatives 4.0 License (CC BY-NC-ND, http://creativecommons.org/licenses/by-nc-nd/4.0/), which permits non-commercial reuse, distribution, and reproduction in any medium, provided the original work is not changed in any way and is properly cited. For permission for commercial reuse, please email: oa@electrochem.org.

Digital Object Identifier (DOI)

https://doi.org/10.1149/2.0801803jes

Funding Information

We thank the National Science Foundation for Award No. 1355438 (EPSCoR: Powering the Kentucky Bioeconomy for a Sustainable Future).

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