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Title: Core–Shell Nanoparticle Coating as an Interfacial Layer for Dendrite-Free Lithium Metal Anodes

Lithium metal based batteries represent a major challenge and opportunity in enabling a variety of devices requiring high-energy-density storage. However, dendritic lithium growth has limited the practical application of lithium metal anodes. Here we report a nanoporous, flexible and electrochemically stable coating of silica@poly(methyl methacrylate) (SiO 2@PMMA) core–shell nanospheres as an interfacial layer on lithium metal anode. This interfacial layer is capable of inhibiting Li dendrite growth while sustaining ionic flux through it, which is attributed to the nanoscaled pores formed among the nanospheres. Lastly, enhanced Coulombic efficiencies during lithium charge/discharge cycles have been achieved at various current densities and areal capacities.
Authors:
ORCiD logo [1] ;  [1] ;  [1] ;  [1] ;  [1] ;  [1] ;  [2]
  1. Stanford Univ., Stanford, CA (United States)
  2. Stanford Univ., Stanford, CA (United States); SLAC National Accelerator Lab., Menlo Park, CA (United States)
Publication Date:
Grant/Contract Number:
AC02-76SF00515
Type:
Published Article
Journal Name:
ACS Central Science
Additional Journal Information:
Journal Volume: 3; Journal Issue: 2; Journal ID: ISSN 2374-7943
Publisher:
American Chemical Society (ACS)
Research Org:
SLAC National Accelerator Lab., Menlo Park, CA (United States)
Sponsoring Org:
USDOE Office of Energy Efficiency and Renewable Energy (EERE), Vehicle Technologies Office (EE-3V)
Country of Publication:
United States
Language:
English
Subject:
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY; 36 MATERIALS SCIENCE
OSTI Identifier:
1342975
Alternate Identifier(s):
OSTI ID: 1353112

Liu, Wei, Li, Weiyang, Zhuo, Denys, Zheng, Guangyuan, Lu, Zhenda, Liu, Kai, and Cui, Yi. Core–Shell Nanoparticle Coating as an Interfacial Layer for Dendrite-Free Lithium Metal Anodes. United States: N. p., Web. doi:10.1021/acscentsci.6b00389.
Liu, Wei, Li, Weiyang, Zhuo, Denys, Zheng, Guangyuan, Lu, Zhenda, Liu, Kai, & Cui, Yi. Core–Shell Nanoparticle Coating as an Interfacial Layer for Dendrite-Free Lithium Metal Anodes. United States. doi:10.1021/acscentsci.6b00389.
Liu, Wei, Li, Weiyang, Zhuo, Denys, Zheng, Guangyuan, Lu, Zhenda, Liu, Kai, and Cui, Yi. 2017. "Core–Shell Nanoparticle Coating as an Interfacial Layer for Dendrite-Free Lithium Metal Anodes". United States. doi:10.1021/acscentsci.6b00389.
@article{osti_1342975,
title = {Core–Shell Nanoparticle Coating as an Interfacial Layer for Dendrite-Free Lithium Metal Anodes},
author = {Liu, Wei and Li, Weiyang and Zhuo, Denys and Zheng, Guangyuan and Lu, Zhenda and Liu, Kai and Cui, Yi},
abstractNote = {Lithium metal based batteries represent a major challenge and opportunity in enabling a variety of devices requiring high-energy-density storage. However, dendritic lithium growth has limited the practical application of lithium metal anodes. Here we report a nanoporous, flexible and electrochemically stable coating of silica@poly(methyl methacrylate) (SiO2@PMMA) core–shell nanospheres as an interfacial layer on lithium metal anode. This interfacial layer is capable of inhibiting Li dendrite growth while sustaining ionic flux through it, which is attributed to the nanoscaled pores formed among the nanospheres. Lastly, enhanced Coulombic efficiencies during lithium charge/discharge cycles have been achieved at various current densities and areal capacities.},
doi = {10.1021/acscentsci.6b00389},
journal = {ACS Central Science},
number = 2,
volume = 3,
place = {United States},
year = {2017},
month = {2}
}