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Title: Electrokinetic Phenomena Enhanced Lithium-Ion Transport in Leaky Film for Stable Lithium Metal Anodes

Journal Article · · Advanced Energy Materials

The application of lithium (Li) metal anodes in Li metal batteries has been hindered by growth of Li dendrite which leads to short cycling life. Here a Li-ion-affinity leaky film as a protection layer is reported to promote a dendrite-free Li metal anode. The leaky film induces electrokinetic phenomena to enhance Li-ion transport, leading to a reduced Li-ion concentration polarization and homogenous Li-ion distribution. As a result, the dendrite-free Li metal anode during Li plating/stripping is demonstrated even at an extremely high deposition capacity (6 mA h cm-2) and current density (40 mA cm-2) with improved Coulombic efficiencies. A full-cell battery with the leaky-film protected Li metal as anode and high-areal-capacity LiNi0.8Co0.1Mn0.1O2 (NCM-811) (~4.2 mA h cm-2) or LiFePO4 (~3.8 mA h cm-2) as cathode shows improved cycling stability and capacity retention, even at lean electrolyte conditions.

Research Organization:
Pennsylvania State Univ., University Park, PA (United States)
Sponsoring Organization:
USDOE Office of Energy Efficiency and Renewable Energy (EERE), Transportation Office. Vehicle Technologies Office
Grant/Contract Number:
EE0007795; EE0007803
OSTI ID:
1657241
Alternate ID(s):
OSTI ID: 1510093
Journal Information:
Advanced Energy Materials, Vol. 9, Issue 22; ISSN 1614-6832
Publisher:
WileyCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 81 works
Citation information provided by
Web of Science

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Cited By (4)

In Situ Preparation of Thin and Rigid COF Film on Li Anode as Artificial Solid Electrolyte Interphase Layer Resisting Li Dendrite Puncture journal December 2019
Copper Nitride Nanowires Printed Li with Stable Cycling for Li Metal Batteries in Carbonate Electrolytes journal November 2019
MXene‐Based Dendrite‐Free Potassium Metal Batteries journal November 2019
Lithiophilic montmorillonite serves as lithium ion reservoir to facilitate uniform lithium deposition journal October 2019