Electrode Lithiation: Effects of Particle Size, Electronic Connectivity, and Incoherent Nanoscale Domains on the Sequence of Lithiation in LiFePO4 Porous Electrodes (Adv. Mater. 42/2015)

On page 6591, W. Chueh and co‐workers use high‐resolution X‐ray microscopy to study the sequence of lithiation in LiFePO4 battery electrodes and reveal that local electronic connectivity limits the rate capability. For electrodes with homogeneous interparticle electronic connectivity via the carbon...

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Bibliographic Details
Published in:Advanced materials (Weinheim) 2015-11, Vol.27 (42), p.6590-6590
Main Authors: Li, Yiyang, Meyer, Sophie, Lim, Jongwoo, Lee, Sang Chul, Gent, William E., Marchesini, Stefano, Krishnan, Harinarayan, Tyliszczak, Tolek, Shapiro, David, Kilcoyne, Arthur L. David, Chueh, William C.
Format: Article
Language:English
Subjects:
LiFePO4
particle size dependence
ptychography
X-ray chemical imaging
Online Access:Get full text
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Summary:On page 6591, W. Chueh and co‐workers use high‐resolution X‐ray microscopy to study the sequence of lithiation in LiFePO4 battery electrodes and reveal that local electronic connectivity limits the rate capability. For electrodes with homogeneous interparticle electronic connectivity via the carbon black network, the smaller particles lithiate first. For electrodes with heterogeneous connectivity, the better‐connected particles preferentially lithiate.
ISSN:0935-9648
1521-4095
DOI:10.1002/adma.201570286