| Article ID | Journal | Published Year | Pages | File Type |
|---|---|---|---|---|
| 1681586 | Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms | 2016 | 5 Pages |
Abstract
Direct observation of lithium concentration distribution in lithium-ion battery composite electrodes has been performed for the first time. Lithium-ion battery model cells for particle induced X-ray emission (PIXE) and particle induced gamma ray emission (PIGE) measurements were designed and fabricated. Two dimensional images of lithium concentration in LiFePO4 composite electrodes were obtained with PIXE and PIGE by scanning the proton microbeam for various charged states of the electrodes. Lithium concentration in LiFePO4 composite electrodes was decreased from the contact interface between LiFePO4 electrode and liquid electrolyte during the charge reaction.
Related Topics
Physical Sciences and Engineering
Materials Science
Surfaces, Coatings and Films
Authors
A. Yamazaki, Y. Orikasa, K. Chen, Y. Uchimoto, T. Kamiya, M. Koka, T. Satoh, K. Mima, Y. Kato, K. Fujita,