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Title: Engineering stable interfaces for three-dimensional lithium metal anodes

Journal Article · · Science Advances

Lithium metal has long been considered one of the most promising anode materials for advanced lithium batteries (for example, Li-S and Li-O2), which could offer significantly improved energy density compared to state-of-the-art lithium ion batteries. Despite decades of intense research efforts, its commercialization remains limited by poor cyclability and safety concerns of lithium metal anodes. One root cause is the parasitic reaction between metallic lithium and the organic liquid electrolyte, resulting in continuous formation of an unstable solid electrolyte interphase, which consumes both active lithium and electrolyte. Until now, it has been challenging to completely shut down the parasitic reaction. We find that a thin-layer coating applied through atomic layer deposition on a hollow carbon host guides lithium deposition inside the hollow carbon sphere and simultaneously prevents electrolyte infiltration by sealing pinholes on the shell of the hollow carbon sphere. By encapsulating lithium inside the stable host, parasitic reactions are prevented, resulting in impressive cycling behavior. In conclusion, we report more than 500 cycles at a high coulombic efficiency of 99% in an ether-based electrolyte at a cycling rate of 0.5 mA/cm2 and a cycling capacity of 1 mAh/cm2, which is among the most stable Li anodes reported so far.

Research Organization:
SLAC National Accelerator Laboratory (SLAC), Menlo Park, CA (United States)
Sponsoring Organization:
USDOE
Grant/Contract Number:
AC02-76SF00515; 03.25.SS.15
OSTI ID:
1475492
Journal Information:
Science Advances, Vol. 4, Issue 7; ISSN 2375-2548
Publisher:
AAASCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 128 works
Citation information provided by
Web of Science

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Cited By (19)

Interphases, Interfaces, and Surfaces of Active Materials in Rechargeable Batteries and Perovskite Solar Cells journal January 2020
A Review of Composite Lithium Metal Anode for Practical Applications journal November 2019
H‐/dT‐MoS 2 ‐on‐MXene Heterostructures as Promising 2D Anode Materials for Lithium‐Ion Batteries: Insights from First Principles journal May 2019
Superlithiophilic Amorphous SiO 2 –TiO 2 Distributed into Porous Carbon Skeleton Enabling Uniform Lithium Deposition for Stable Lithium Metal Batteries journal July 2019
Theoretical versus Practical Energy: A Plea for More Transparency in the Energy Calculation of Different Rechargeable Battery Systems journal December 2018
Highly Stable Lithium Metal Anode Interface via Molecular Layer Deposition Zircone Coatings for Long Life Next‐Generation Battery Systems journal September 2019
Highly Stable Lithium Metal Anode Interface via Molecular Layer Deposition Zircone Coatings for Long Life Next-Generation Battery Systems journal September 2019
Recent Advances in Hollow Porous Carbon Materials for Lithium–Sulfur Batteries journal February 2019
Lithium Metal Anode Materials Design: Interphase and Host journal October 2019
High-energy long-cycling all-solid-state lithium metal batteries enabled by silver–carbon composite anodes journal March 2020
3D hollow reduced graphene oxide foam as a stable host for high-capacity lithium metal anodes journal January 2019
Probing the dynamic evolution of lithium dendrites: a review of in situ / operando characterization for lithium metallic batteries journal January 2019
Towards high energy density lithium battery anodes: silicon and lithium journal January 2019
Electrochemically induced highly ion conductive porous scaffolds to stabilize lithium deposition for lithium metal anodes journal January 2019
ZnO nanoconfined 3D porous carbon composite microspheres to stabilize lithium nucleation/growth for high-performance lithium metal anodes journal January 2019
3D lithiophilic–lithiophobic–lithiophilic dual-gradient porous skeleton for highly stable lithium metal anode journal January 2020
A copper-clad lithiophilic current collector for dendrite-free lithium metal anodes journal January 2020
Theoretical versus Practical Energy: A Plea for More Transparency in the Energy Calculation of Different Rechargeable Battery Systems journal June 2019
An ultrastable lithium metal anode enabled by designed metal fluoride spansules journal March 2020