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Issue 17, 2013
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Imaging state of charge and its correlation to interaction variation in an LiMn0.75Fe0.25PO4nanorods–graphene hybrid†

Jigang Zhou,*ab   Jian Wang,*a   Yongfeng Hu,a   Tom Regier,a   Hailiang Wang,c   Yuan Yang,d   Yi Cuid  and  Hongjie Daic  
Author affiliations

* Corresponding authors

a Canadian Light Source Inc., Saskatoon, Canada
E-mail: jigang.zhou@lightsource.ca, jian.wang@lightsource.ca

b Harbin Institute of Technology, Harbin, China

c Department of Chemistry, Stanford University, USA

d Department of Materials Science and Engineering, Stanford University, Stanford, CA, USA

Abstract

Visualization of the state of charge (SOC) in an LiMn0.75Fe0.25PO4 nanorods–graphene hybrid nanostructure (LMFP–C) is realized by chemical mapping of the Fe valance state using scanning transmission X-ray microscopy (STXM). The LMFP–graphene interaction strength variation studied by C K-edge STXM has been correlated to SOC variation, i.e. a stronger interaction was observed for sample regions with a higher SOC in LMFP. Such structure–performance correlation opens new perspectives for a rational design of a better performance olivine cathode for lithium ion batteries.

Graphical abstract: Imaging state of charge and its correlation to interaction variation in an LiMn0.75Fe0.25PO4 nanorods–graphene hybrid

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Article information

https://doi.org/10.1039/C3CC39015B
Submitted
17 Dec 2012
Accepted
10 Jan 2013
First published
11 Jan 2013
Chem. Commun., 2013,49, 1765-1767
Article type
Communication
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Imaging state of charge and its correlation to interaction variation in an LiMn0.75Fe0.25PO4 nanorods–graphene hybrid

J. Zhou, J. Wang, Y. Hu, T. Regier, H. Wang, Y. Yang, Y. Cui and H. Dai, Chem. Commun., 2013, 49, 1765
DOI: 10.1039/C3CC39015B

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