Influence of conversion material morphology on electrochemistry studied with operando X-ray tomography and diffraction.
basic_science · Level V
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- Record sourced from PubMed, PMID 25619158.
- Also identified by DOI 10.1002/adma.201403792.
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Abstract
X-ray diffraction and X-ray tomography are performed on intermetallic particles undergoing lithiation in a porous electrode. Differences between ensemble phase evolution and that at a single-particle level are explored. It is found that all particles evidence core-shell lithiation; however, particles with internal porosity are more mechanically robust and exhibit less fracture.