Unexpected phase separation in Li1−xNi0.5Mn1.5O4 within a porous composite electrode-Reference-Cited by-同舟云学术

Unexpected phase separation in Li1−xNi0.5Mn1.5O4 within a porous composite electrode

Published:2018 Issue:33 Volume:54 Page:4152-4155
ISSN:1359-7345
Container-title:Chemical Communications
language:en
Short-container-title:Chem. Commun.

Author:

Lu Mi¹²³,Wang Jian⁴⁵⁶,Fang Haitao⁷³,Hu Yongfeng⁴⁵⁶,Zhou Jigang⁴⁵⁶^ORCID

Affiliation:

1. Key Laboratory of Functional Materials and Applications of Fujian Province, School of Materials Science and Engineering, Xiamen University of Technology

2. Xiamen

3. China

4. Canadian Light Source Inc.

5. Saskatoon

6. Canada

7. School of Materials Engineering, Harbin Institute of Technology

Abstract

The Ni oxidation state in Li_1−xNi_0.5Mn_1.5O₄ within a composite electrode mapped by scanning transmission X-ray microscopy (STXM) has shown unexpected variations in phase separation among and within individual battery particles, which has been experimentally correlated to both their morphology and interface structure.

Funder

Canadian Network for Research and Innovation in Machining Technology, Natural Sciences and Engineering Research Council of Canada

Canadian Institutes of Health Research

National Research Council Canada

University of Saskatchewan

National Natural Science Foundation of China

Publisher

Royal Society of Chemistry (RSC)

Subject

Materials Chemistry,Metals and Alloys,Surfaces, Coatings and Films,General Chemistry,Ceramics and Composites,Electronic, Optical and Magnetic Materials,Catalysis

Link

http://pubs.rsc.org/en/content/articlepdf/2018/CC/C8CC01866A

Reference21 articles.

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

2. Chemical Imaging of Nanoscale Interfacial Inhomogeneity in LiFePO4 Composite Electrodes from a Cycled Large-Format Battery

3. Spinel materials for high-voltage cathodes in Li-ion batteries

4. Solid Solution Domains at Phase Transition Front of LixNi0.5Mn1.5O4

5. Crystallographic facet- and size-controllable synthesis of spinel LiNi0.5Mn1.5O4with excellent cyclic stability as cathode of high voltage lithium ion battery

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