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- Title
The short-term cycling properties of Na/PVdF/S battery at ambient temperature.
- Authors
Jong-Seon Kim; Hyo-Jun Ahn; Ic-Pyo Kim; Ki-Won Kim; Jou-Hyeon Ahn; Cheol-Wan Park; Ho-Suk Ryu
- Abstract
Abstract The Na/PVdF/S cells were composed of solid sodium, sulfur, and polyvinylidene fluoride–hexafluoropropene (PVdF) gel polymer electrolyte. The PVdF polymer electrolyte was prepared form tetraglyme plasticizer and NaCF3SO3 salt, and its electrochemical properties were studied using CV and impedance analysis. The interfacial resistance between sodium and polymer electrolyte increase with storage time, which might be associated with passivation layer. Solid-state sodium/sulfur cell using a PVdF gel polymer electrolyte has been tested. The Na/PVdF/S cell with 0.288 mA cm−2 shows a high discharge capacity of 392 mAh g−1 and 36 mAh g−1 after 20 cycles. The cycle performance of Na/GPE/S cell operating at 25 °C is worse than Na/S cell at a high temperature.
- Subjects
POLYELECTROLYTES; SODIUM; ELECTRIC batteries; ELECTROCHEMISTRY
- Publication
Journal of Solid State Electrochemistry, 2008, Vol 12, Issue 7/8, p861
- ISSN
1432-8488
- Publication type
Article
- DOI
10.1007/s10008-008-0504-8