Title: Surface-Functionalized Silicon Nanoparticles as Anode Material for Lithium-Ion Battery

Journal Article · · ACS Applied Materials and Interfaces
 [1];  [2];  [2];  [2];  [2]; ORCiD logo [2];  [2]; ORCiD logo [3]; ORCiD logo [2]
  1. Univ. of Tennessee, Knoxville, TN (United States); Argonne National Lab. (ANL), Argonne, IL (United States)
  2. Argonne National Lab. (ANL), Argonne, IL (United States)
  3. Univ. of Tennessee, Knoxville, TN (United States)
+ Show Author Affiliations

An epoxy group was successfully attached to the surface of silicon nanoparticle (SiNPs) via a silanization reaction between silanol-enriched SiNPs and functional silanes. The epoxy-functionalized SiNPs showed a much improved cell performance compared with the pristine SiNPs because of the increased stability with electrolyte and the formation of a covalent bond between the epoxy group and the polyacrylic acid binder. Furthermore, the anode laminate made from epoxy- SiNPs showed much enhanced adhesion strength. Post-test analysis shed light on how the epoxy-functional group affects the physical and electrochemical properties of the SiNP anode.

Research Organization:
Argonne National Laboratory (ANL), Argonne, IL (United States)
Sponsoring Organization:
USDOE Office of Energy Efficiency and Renewable Energy (EERE), Vehicle Technologies Office (EE-3V)
Grant/Contract Number:
AC02-06CH11357
OSTI ID:
1494581
Journal Information:
ACS Applied Materials and Interfaces, Journal Name: ACS Applied Materials and Interfaces Journal Issue: 51 Vol. 10; ISSN 1944-8244
Publisher:
American Chemical Society (ACS)Copyright Statement
Country of Publication:
United States
Language:
English

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Cited By (6)

Re‐Engineering Poly(Acrylic Acid) Binder toward Optimized Electrochemical Performance for Silicon Lithium‐Ion Batteries: Branching Architecture Leads to Balanced Properties of Polymeric Binders journal December 2019
Facile Fabrication of Porous Si Microspheres from Low‐Cost Precursors for High‐Capacity Electrode journal December 2019
Synergy of Epoxy Chemical Tethers and Defect‐Free Graphene in Enabling Stable Lithium Cycling of Silicon Nanoparticles journal September 2019
Synergy of Epoxy Chemical Tethers and Defect‐Free Graphene in Enabling Stable Lithium Cycling of Silicon Nanoparticles journal September 2019
Designing superior solid electrolyte interfaces on silicon anodes for high-performance lithium-ion batteries journal January 2019
Phase transformations and capacity fade mechanism in Li x Sn nanoparticle electrodes revealed by operando 7 Li NMR journal January 2019

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25 ENERGY STORAGE
Nano-silicon particles
epoxy-functionalized surface
lithium-ion battery
silanization reaction
silicon anode
surface modification