NDLI: Mesoporous silica particles-embedded high performance separator for lithium-ion batteries

Content Provider	Springer Nature Link
Author	Lv, Yajun Gu, Bo
Copyright Year	2017
Abstract	To improve the safety of lithium-ion batteries, poly(phenylene oxide)/mesoporous silica composite separator is facilely prepared by non-solvent induced phase separation wet-process and investigated in lithium-ion batteries (LIBs). Systematical investigations including morphology, porosity, electrolyte contact angle testing, electrolyte uptake/retention, and thermal shrinkage testing are carried out. The results demonstrate that the composite separator possesses notable features, such as uniform and porous surface morphology, symmetric interconnected porous structure all through the separator thickness. And owing to the relatively thermal-resistance constituents and well-developed microstructure, this separator shows superior thermal stability under 180 °C with little area shrinkage, higher electrolyte uptake/retention and ionic conductivity than the common polyethylene (PE) separator. Based on the above advantages, a cell with the as-prepared composite separator exhibits higher discharge capacity and better cycle property than that with a porous polyethylene separator. These results suggest that poly(phenylene oxide)/mesoporous silica composite separator is an effective separator for high performance LiBs.
Starting Page	6512
Ending Page	6519
Page Count	8
File Format	PDF
ISSN	09574522
Journal	Journal of Materials Science: Materials in Electronics
Volume Number	28
Issue Number	9
e-ISSN	1573482X
Language	English
Publisher	Springer US
Publisher Date	2017-03-02
Publisher Place	New York
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Optical and Electronic Materials Characterization and Evaluation of Materials
Content Type	Text
Resource Type	Article
Subject	Atomic and Molecular Physics, and Optics Biomaterials Biophysics Condensed Matter Physics Electronic, Optical and Magnetic Materials Bioengineering Electrical and Electronic Engineering Biomedical Engineering

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