期刊
MACROMOLECULAR MATERIALS AND ENGINEERING
卷 305, 期 9, 页码 -出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/mame.202000262
关键词
3D printing; crosslinked gels; flexible; gel polymer electrolyte; ionic conductivity
资金
- Japan Society for the Promotion of Science (JSPS KAKENHI) [JP17H01224, JP18H0547, JP19H01122]
- Center of Innovation (COI) Grant by Japan Science and Technology Agency (JST) [JPMJCE1314]
- JST-OPERA Program [JPMJOP1614, JPMJOP1844]
- Cabinet Office (CAO), Cross-ministerial Strategic Innovation Promotion Program (SIP), An intelligent knowledge processing infrastructure, integrating physical and virtual domains (funding agency: NEDO)
In this work, 3D printable gel polymer electrolytes (GPEs) based onN,N-dimethylacrylamide (DMAAm) and polyvinylidene fluoride (PVDF) in lithium chloride containing ethylene glycol solution are synthesized and their physicochemical properties are investigated. 3D printing is carried out with a customized stereolithography type 3D gel printer named Soft and Wet Intelligent Matter-Easy Realizer and free forming GPE samples having variable shapes and sizes are obtained. Printed PVDF/PDMAAm-based GPEs exhibit tunable mechanical properties and favorable thermal stability. Electrochemical proprieties of the printed GPEs are carried out via impedance spectroscopy in the temperature range of 25-90 degrees C by varying PVDF content. Ionic conductivity as high as 6.5 x 10(-4)S cm(-1)is achieved at room temperature for GPE containing low PVDF content (5 wt%) and conductivity of the GPEs is increased as temperature rises.
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