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Adv Mater. 2017 Mar;29(10). doi: 10.1002/adma.201605531. Epub 2016 Dec 29.

An Artificial Solid Electrolyte Interphase with High Li-Ion Conductivity, Mechanical Strength, and Flexibility for Stable Lithium Metal Anodes.

Author information

1
Department of Materials Science and Engineering, Stanford University, Stanford, CA, 94305, USA.
2
Department of Mechanical Engineering, Stanford University, Stanford, CA, 94305, USA.
3
Stanford Institute for Materials and Energy Sciences, SLAC National Accelerator Laboratory, 2575 Sand Hill Road, Menlo Park, CA, 94025, USA.

Abstract

An artificial solid electrolyte interphase (SEI) is demonstrated for the efficient and safe operation of a lithium metal anode. Composed of lithium-ion-conducting inorganic nanoparticles within a flexible polymer binder matrix, the rationally designed artificial SEI not only mechanically suppresses lithium dendrite formation but also promotes homogeneous lithium-ion flux, significantly enhancing the efficiency and cycle life of the lithium metal anode.

KEYWORDS:

artificial solid electrolyte interphase; electrochemistry; lithium metal anodes; nanotechnology; porous lithium

PMID:
28032934
DOI:
10.1002/adma.201605531

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