DataVXACS Applied Energy MaterialsPaper
journal article·2020-10-26Open access

Synchrotron Imaging of Pore Formation in Li Metal Solid-State Batteries Aided by Machine Learning

Marm B. Dixit, Ankit Verma, Wahid Zaman, Xinlin Zhong, Peter Kenesei, Jun Sang Park, Jonathan Almer, Partha P. Mukherjee, Kelsey B. Hatzell

ACS Applied Energy Materials· Volume 3· Issue 10
Publisher pageOpen full text
Source abstract

Abstract

High-rate capable, reversible lithium metal anodes are necessary for next generation energy storage systems. In situ tomography of Li|LLZO|Li cells is carried out to track morphological transformations in Li metal electrodes. Machine learning enables tracking the lithium metal morphology during galvanostatic cycling. Nonuniform lithium electrode kinetics are observed at both electrodes during cycling. Hot spots in lithium metal are correlated with microstructural anisotropy in LLZO. Mesoscale modeling reveals that regions with lower effective properties (transport and mechanical) are nuclei for failure. Advanced visualization combined with electrochemistry represents an important pathway toward resolving non-equilibrium effects that limit rate capabilities of solid-state batteries.
Source: openalex_inverted_index · Quality: baseline

Research context

Energy storage

OpenAlex topics: Advancements in Battery Materials · Advanced Battery Materials and Technologies · Advanced Battery Technologies Research

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Department of Mechanical Engineering, Vanderbilt University, Nashville, Tennessee 37240, United States

School of Mechanical Engineering, Purdue University, West Lafayette, Indiana 47907, United States

X-ray Science Division, Advanced Photon Source, Argonne National Laboratory, Lemont, Illinois 60439, United States

Chemical and Biomolecular Engineering, Vanderbilt University, Nashville, Tennessee 37240, United States

Interdisciplinary Material Science Program, Vanderbilt University, Nashville, Tennessee 37240, United States

Funding

Research Corporation for Science Advancement · Alfred P. Sloan Foundation · Division of Chemical, Bioengineering, Environmental, and Transport Systems

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