Research Highlights

Comparison in rate performance between cells made with standard and two-layer optimized electrodes: (a) charge capacity and (b) discharge capacity. CSMD ORNL Computer Science and Mathematics

Design and processing for high performance Li ion battery electrodes with double-layer structure

January 1, 2022

Deposition and Confinement of Li Metal along an Artificial Lipon−Lipon Interface

April 22, 2019

In this work we were able to successfully fabricate interface consisting of two layers of Lipon ionic conductor and observe formation of metallic lithium as tree-like structures confined to this interface.

X-Ray CT showing failure inside layered structure of EV battery cell after deformation

Effect of packaging and cooling plates on mechanical response and failure characteristics of automotive Li-ion battery modules

April 22, 2019

This work studies deformation of EV battery module under external mechanical loading and effect of inactive module components on module failure.

Degradation of electrodes with line defects. (a)Computed Li distribution in the vicinity of defect compared to baseline electrode under 1C charge, and (b) schematic explaining mechanism for capacity fade in cells with line defects

Identifying degradation mechanisms in lithium-ion batteries with coating defects at the cathode

April 22, 2019

Multiphysics Modeling and Flows Group

Research Highlights

Design and processing for high performance Li ion battery electrodes with double-layer structure

Deposition and Confinement of Li Metal along an Artificial Lipon−Lipon Interface

Effect of packaging and cooling plates on mechanical response and failure characteristics of automotive Li-ion battery modules

Identifying degradation mechanisms in lithium-ion batteries with coating defects at the cathode

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