In this report, we have prepared the imidazoliumbased ionic liquid-incorporated interpenetrating polymer network (IPN) electrolyte membrane containing cellulose triacetate with polyethylene glycol dimethyl acrylate and polyethylene oxide by the UV-induced polymerization method. A facile IPN electrolyte membrane appears to be homogeneous in nature with high mechanical strength, excellent thermal stability, and exhibits optimum ionic conductivity of the order of 2.84 × 10 −3 S cm −1 . The oxidative stability of the IPN electrolyte membrane is observed up to 5.2 V at room temperature, which is attributed to immobilized ion networks provided by the imidazolium ionic liquid. The IPN electrolyte membrane is galvanostatically cycled having battery configuration Li/IPN EM/LiFePO 4 , which shows the first discharge capacity of 110 mA h g −1 at 0.05 C with 93.65% Coulombic efficiency at room temperature. The cell shows discharge capacities of about 85, 82, and 76 mA h g −1 at 0.1, 0.2, and 1 C rates, respectively. The ionic liquid-incorporated IPN electrolyte membrane provides a promising system for stabilizing lithium electrodeposition and fabricating high-performance lithium-ion batteries. Finally, IPN electrolyte membranes could be a potential electrolytes for next-generation high-power and safer solid-state battery technology.
A novel, highly sensitive gold nanowire (AuNW) resistive sensor is reported here for humidity sensing in the relative humidity range of 11% to 92% RH as well as for breath sensing.
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