Electrochemical performances of lithium-ion polymer battery with polyoxyalkylene glycol acrylate-based gel polymer electrolyte

摘要

In this work, a gel polymer electrolyte (GPE) was prepared using polyoxyalkylene glycol acrylate (POAGA) as a macromonomer. LiNi1/3Mn1/3Co1/3O2/GPE/graphite cells were prepared and their electrochernical properties were evaluated at various current densities and temperatures. The ionic conductivity of the GPE was more than 6.2 x 10(-3) S center dot cm(-1) at room temperature. The GPE had good electrochemical stability up to 5.0 V vs. Li/Li+. POAGA-based cells showed good electrochemical performances such as rate capability, low-temperature performance, and cycleability. No leakage of the electrolyte or an explosion was observed at the overcharge test.