Tailoring the Surface of Silicon Nanoparticles for Enhanced Chemical and Electrochemical Stability for Li-Ion Batteries
Source abstract
Abstract
Organic monolayers of epoxy-containing oligo(ethylene oxide)s were grafted to the surface of silicon nanoparticles via a hydrosilylation reaction. The surface functional groups suppressed the chemical and electrochemical reactivity of the as-grown and lithiated silicon nanoparticles with high material utilization. A robust Si/electrolyte interphase was formed with the participation of the grafted organic groups with facilitated Li+ transfer and was further enforced by electrode integrity via the epoxy/poly(acrylic acid) (PAA) binder reaction. The improved cycling stability and post-test analysis indicate that surface functionalization on the Si particle level is a feasible approach to enabling a Si anode in high-energy-density lithium-ion batteries.
Source: openalex_inverted_index · Quality: baseline
Research context
OpenAlex topics: Advancements in Battery Materials · Semiconductor materials and devices · Advanced Battery Materials and Technologies
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Chemical Sciences and Engineering Division, Argonne National Laboratory, Lemont, Illinois 60439, United States
Department of Chemistry, University of Tennessee, Knoxville, Tennessee 37996, United States
Center for Nanoscale Materials, Argonne National Laboratory, Lemont, Illinois 60439, United States
Chemistry and Nanoscale Sciences Center, National Renewable Energy Laboratory, Golden, Colorado 80401, United States
Funding
Office of Energy Efficiency and Renewable Energy · National Renewable Energy Laboratory
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