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Title: Tailoring the Surface of Silicon Nanoparticles for Enhanced Chemical and Electrochemical Stability for Li-Ion Batteries

Abstract

Here, 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 potential method to enabling a Si anode in high-energy-density lithium-ion batteries.

Authors:
 [1];  [2]; ORCiD logo [2];  [2]; ORCiD logo [3]; ORCiD logo [3]; ORCiD logo [2]; ORCiD logo [4]; ORCiD logo [3]; ORCiD logo [2]
  1. Argonne National Lab. (ANL), Lemont, IL (United States); Univ. of Tennessee, Knoxville, TN (United States)
  2. Argonne National Lab. (ANL), Lemont, IL (United States)
  3. National Renewable Energy Lab. (NREL), Golden, CO (United States)
  4. Univ. of Tennessee, Knoxville, TN (United States)
Publication Date:
Research Org.:
Argonne National Lab. (ANL), Argonne, IL (United States)
Sponsoring Org.:
USDOE Office of Energy Efficiency and Renewable Energy (EERE), Vehicle Technologies Office (EE-3V); USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22)
OSTI Identifier:
1567844
Grant/Contract Number:  
AC02-06CH11357; AC36-08GO28308
Resource Type:
Accepted Manuscript
Journal Name:
ACS Applied Energy Materials
Additional Journal Information:
Journal Volume: 2; Journal Issue: 9; Journal ID: ISSN 2574-0962
Publisher:
American Chemical Society (ACS)
Country of Publication:
United States
Language:
English
Subject:
25 ENERGY STORAGE; Coulombic efficiency; SEI formation; Si nanoparticles; chemical/electrochemical stability; cycling stability; epoxy-containing oligo(ethylene oxide)s; surface functionalization

Citation Formats

Jiang, Sisi, Hu, Bin, Sahore, Ritu, Liu, Haihua, Pach, Gregory F., Carroll, Gerard M., Zhang, Lu, Zhao, Bin, Neale, Nathan R., and Zhang, Zhengcheng. Tailoring the Surface of Silicon Nanoparticles for Enhanced Chemical and Electrochemical Stability for Li-Ion Batteries. United States: N. p., 2019. Web. doi:10.1021/acsaem.9b01601.
Jiang, Sisi, Hu, Bin, Sahore, Ritu, Liu, Haihua, Pach, Gregory F., Carroll, Gerard M., Zhang, Lu, Zhao, Bin, Neale, Nathan R., & Zhang, Zhengcheng. Tailoring the Surface of Silicon Nanoparticles for Enhanced Chemical and Electrochemical Stability for Li-Ion Batteries. United States. doi:10.1021/acsaem.9b01601.
Jiang, Sisi, Hu, Bin, Sahore, Ritu, Liu, Haihua, Pach, Gregory F., Carroll, Gerard M., Zhang, Lu, Zhao, Bin, Neale, Nathan R., and Zhang, Zhengcheng. Tue . "Tailoring the Surface of Silicon Nanoparticles for Enhanced Chemical and Electrochemical Stability for Li-Ion Batteries". United States. doi:10.1021/acsaem.9b01601.
@article{osti_1567844,
title = {Tailoring the Surface of Silicon Nanoparticles for Enhanced Chemical and Electrochemical Stability for Li-Ion Batteries},
author = {Jiang, Sisi and Hu, Bin and Sahore, Ritu and Liu, Haihua and Pach, Gregory F. and Carroll, Gerard M. and Zhang, Lu and Zhao, Bin and Neale, Nathan R. and Zhang, Zhengcheng},
abstractNote = {Here, 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 potential method to enabling a Si anode in high-energy-density lithium-ion batteries.},
doi = {10.1021/acsaem.9b01601},
journal = {ACS Applied Energy Materials},
number = 9,
volume = 2,
place = {United States},
year = {2019},
month = {9}
}

Journal Article:
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This content will become publicly available on September 10, 2020
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