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Title: Effect of nanopatterning on mechanical properties of Lithium anode

Journal Article · · Scientific Reports
 [1];  [2]; ORCiD logo [3];  [4]; ORCiD logo [5]; ORCiD logo [6]; ORCiD logo [7]
  1. Argonne National Lab. (ANL), Argonne, IL (United States). Materials Science Division; Northwestern Univ., Evanston, IL (United States). Dept. of Materials Science and Engineering
  2. Daegu Gyeongbuk Inst. of Science and Technology (DGIST), Daegu (Korea). Dept. of Energy Science and Engineering
  3. Hanyang Univ., Ansan (Korea, Republic of). Dept. of Materials Science and Chemical Engineering
  4. ICT Materials and Components Research Lab., ETRI (Korea)
  5. Argonne National Lab. (ANL), Argonne, IL (United States). X-ray Science Division
  6. Argonne National Lab. (ANL), Argonne, IL (United States). Materials Science Division
  7. Korea Advanced Inst. Science and Technology (KAIST), Daejeon (Korea, Republic of). Dept. of Materials Science and Engineering

One of the challenges in developing Lithium anodes for Lithium ion batteries (LIB) is controlling the formation of Li dendrites during cycling of the battery. Nanostructuring and nanopatterning of electrodes shows a promising way to suppress the growth of Li dendrites. However, in order to control this behavior, a fundamental understanding of the effect of nanopatterning on the electromechanical properties of Li metal is necessary. In this paper, we have investigated the mechanical and wear properties of Li metal using Atomic Force Microscopy (AFM) in an airtight cell. By using different load regimes, we determined the mechanical properties of Li metal. Here, we show that as a result of nanopatterning, Li metal surface underwent work hardening due to residual compressive stress. The presence of such stresses can help to improve cycle lifetime of LIBs with Li anodes and obtain very high energy densities.

Research Organization:
Argonne National Laboratory (ANL), Argonne, IL (United States)
Sponsoring Organization:
Korea Institute of Energy Technology Evaluation and Planning (KETEP); USDOE Office of Science (SC), Basic Energy Sciences (BES)
Grant/Contract Number:
AC02-06CH11357
OSTI ID:
1425265
Journal Information:
Scientific Reports, Vol. 8, Issue 1; ISSN 2045-2322
Publisher:
Nature Publishing GroupCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 29 works
Citation information provided by
Web of Science

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Cited By (5)

Electro–Chemo–Mechanical Issues at the Interfaces in Solid‐State Lithium Metal Batteries journal April 2019
Stack Pressure Considerations for Room‐Temperature All‐Solid‐State Lithium Metal Batteries journal November 2019
Impedance Spectroscopic Investigation of the Impact of Erroneous Cell Assembly on the Aging of Lithium‐Ion Batteries journal May 2019
Lithium Mechanics: Roles of Strain Rate and Temperature and Implications for Lithium Metal Batteries journal January 2019
High Dielectric, Robust Composite Protective Layer for Dendrite‐Free and LiPF 6 Degradation‐Free Lithium Metal Anode journal September 2019