| About this Abstract |
| Meeting |
2022 TMS Annual Meeting & Exhibition
|
| Symposium
|
Advanced Materials for Energy Conversion and Storage 2022
|
| Presentation Title |
X-ray Characterization of Battery Degradation |
| Author(s) |
Johanna Nelson Weker |
| On-Site Speaker (Planned) |
Johanna Nelson Weker |
| Abstract Scope |
Synchrotron-based X-rays are a powerful characterization tool that can probe across many relevant length scales (from atomistic to millimeter) with different techniques that are sensitive to distinct features such as microstructure, chemistry, and morphology. Because of the high flux available and penetrating power of X-rays, batteries can be probed under realistic conditions, which enables us to understand and overcome failure mechanisms of the generation battery materials. I will discuss our multimodal approach combining information from high resolution transmission X-ray microscopy, X-ray diffraction, and X-ray absorption spectroscopy to study a range of different battery chemistries. Specifically, I will present recent work on using X-ray microscopy to study nanoporous architectures for alloying anode to accommodate their large volume changes. I will also show X-ray diffraction mapping to characterize Li metal plating on the graphite anode from fast charging and compare it to the local state of charge of the cathode. |
| Proceedings Inclusion? |
Planned: |
| Keywords |
Characterization, Energy Conversion and Storage, |