Journal
SOLID STATE IONICS
Volume 309, Issue -, Pages 15-21Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.ssi.2017.06.013
Keywords
Solid electrolyte; Lithium lanthanum zirconium oxide; Lithium iron phosphate; Solid state cell
Categories
Funding
- National Science Foundation of China [51577175]
- Hefei Center of Materials Science and Technology [2014FXZY006]
- Education Ministry of Anhui Province [KJ2014ZD36]
Ask authors/readers for more resources
In this paper a new kind of solid polymer electrolyte (SPE) based on thermoplastic polyurethane (TPU) is fabricated. With the dispersion of Li7La3Zr2O12 powders, the lithium ionic conductivity of the SPE can be improved effectively. By optimizing the amount of Li7La3Zr2O12, an ionic conductivity of 8.89 x 10(-5) S cm(-1) at 80 degrees C is achieved. X-ray diffraction and scanning electron microscopy are employed to analyze the crystallinity and microstructure of the SPE samples. The all-solid-state lithium ion cells with the TPU-based SPE as solid electrolyte and LiFePO4 as active cathode material are assembled through a simple blade-coating method. Such all-solid-state cells exhibit a specific capacity (160 mAh g(-1)) comparable with the traditional cells using organic liquid electrolyte at the current density of 5.3 mu A cm(-2). To further investigate the electrochemical performances of the all-solid-state cells, the cyclic voltammetry and galvanostatic cycling are also performed and analyzed.
Authors
I am an author on this paper
Click your name to claim this paper and add it to your profile.
Reviews
Recommended
No Data Available