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Title: Dendrite-Suppressed Lithium Plating from a Liquid Electrolyte via Wetting of Li3N

Journal Article · · Advanced Energy Materials

Lithium metal is an ultimate anode material to provide the highest energy density for a given cathode by providing a higher capacity and cell voltage. However, lithium is not used as the anode in commercial lithium-ion batteries because electrochemical dendrite formation and growth during charge can induce a cell short circuit that ignites the flammable liquid electrolyte. Plating of lithium through a bed of Li3N particles is shown to transform dendrite growth into a 3D lithium network formed by wetting the particle surfaces; plating through a Li3N particle is without dendrite nucleation. The Li3N particles create a higher overpotential during Li deposition than that with dendrite growth in galvanostatic charge/discharge tests. The characteristic overpotential increase is correlated with the morphological changes and a more isotropic growth behavior. The Li3N-modified Li electrode shows a stable cycling performance at 0.5 and 1.0 mA cm-2 for more than 100 cycles. In this paper, the origin of the bonding responsible for wetting of the Li3N particles by lithium and for plating through a Li3N particle is discussed.

Research Organization:
Univ. of Texas, Austin, TX (United States)
Sponsoring Organization:
USDOE Office of Energy Efficiency and Renewable Energy (EERE), Vehicle Technologies Office (EE-3V); USDOE
Grant/Contract Number:
EE0007762
OSTI ID:
1430485
Alternate ID(s):
OSTI ID: 1399054
Journal Information:
Advanced Energy Materials, Vol. 7, Issue 19; ISSN 1614-6832
Publisher:
WileyCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 186 works
Citation information provided by
Web of Science

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Cited By (19)

Long Cycle Life Lithium Metal Batteries Enabled with Upright Lithium Anode journal February 2019
Vertically Aligned Carbon Nanofibers on Cu Foil as a 3D Current Collector for Reversible Li Plating/Stripping toward High‐Performance Li–S Batteries journal November 2019
Stabilizing Polymer–Lithium Interface in a Rechargeable Solid Battery journal November 2019
The Salt Matters: Enhanced Reversibility of Li-O 2 Batteries with a Li[(CF 3 SO 2 )( n -C 4 F 9 SO 2 )N]-Based Electrolyte journal November 2017
A 3D Lithiophilic Mo 2 N‐Modified Carbon Nanofiber Architecture for Dendrite‐Free Lithium‐Metal Anodes in a Full Cell journal October 2019
Advances in Interfaces between Li Metal Anode and Electrolyte journal December 2017
Dendrite-Free Metallic Lithium in Lithiophilic Carbonized Metal-Organic Frameworks journal March 2018
Vertically Grown Edge-Rich Graphene Nanosheets for Spatial Control of Li Nucleation journal May 2018
Efficient Li‐Ion‐Conductive Layer for the Realization of Highly Stable High‐Voltage and High‐Capacity Lithium Metal Batteries journal February 2019
Interfacial Incompatibility and Internal Stresses in All‐Solid‐State Lithium Ion Batteries journal August 2019
SnO 2 as Advanced Anode of Alkali‐Ion Batteries: Inhibiting Sn Coarsening by Crafting Robust Physical Barriers, Void Boundaries, and Heterophase Interfaces for Superior Electrochemical Reaction Reversibility journal December 2019
Graphitic Carbon Nitride (g‐C 3 N 4 ): An Interface Enabler for Solid‐State Lithium Metal Batteries journal January 2020
Graphitic Carbon Nitride (g‐C 3 N 4 ): An Interface Enabler for Solid‐State Lithium Metal Batteries journal January 2020
Dual Roles of Li 3 N as an Electrode Additive for Li-Excess Layered Cathode Materials: A Li-Ion Sacrificial Salt and Electrode-Stabilizing Agent journal August 2018
Assembling All-Solid-State Lithium-Sulfur Batteries with Li 3 N-Protected Anodes journal February 2019
Lithiophilic montmorillonite serves as lithium ion reservoir to facilitate uniform lithium deposition journal October 2019
In situ formation of a multicomponent inorganic-rich SEI layer provides a fast charging and high specific energy Li-metal battery journal January 2019
Review—Li Metal Anode in Working Lithium-Sulfur Batteries journal June 2017
Spatiotemporal Quantification of Lithium both in Electrode and in Electrolyte with Atomic Precision via Operando Neutron Absorption journal August 2019

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