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Pmma-Libob Gel Electrolyte For Application In Lithium Ion Batteries, Siti Rohana Majid, Kufian M. Z., Aziz M. F., Shukur M. F., Rahim A. S., Ariffin N. E., Shuhaimi N. E. A., Yahya R., Arof A. K.
Pmma-Libob Gel Electrolyte For Application In Lithium Ion Batteries, Siti Rohana Majid, Kufian M. Z., Aziz M. F., Shukur M. F., Rahim A. S., Ariffin N. E., Shuhaimi N. E. A., Yahya R., Arof A. K.
Siti Rohana Majid
Different amounts of lithium bis(oxalato) borate (LiBOB) have been added into a mixture of equal weights of ethylene carbonate (EC) and propylene carbonate (PC). The variation of molar conductivity of the LiBOB based liquid electrolyte with square root of salt concentration obeys the weak electrolyte theory. The 0.6 M LiBOB in EC/PC liquid electrolyte with highest room temperature conductivity of 4.8 mS cm(-1) was chosen for further work. 10 to 50 wt.% PMMA was added to this composition and heated between 343 and 353 K for 20 min to obtain the gel polymer electrolytes (GPEs). Due to its dry state …
Transport Studies Of Nh4no3 Doped Methyl Cellulose Electrolyte, Siti Rohana Majid, Shuhaimi N. E. A., Teo L. P., Arof A. K.
Transport Studies Of Nh4no3 Doped Methyl Cellulose Electrolyte, Siti Rohana Majid, Shuhaimi N. E. A., Teo L. P., Arof A. K.
Siti Rohana Majid
This work reports on the transport properties of NH4NO3 doped methyl cellulose (MC) polymer electrolyte. The polymer electrolyte films were prepared by the technique of solvent casting. The highest room temperature conductivity of MC doped with 25 wt.% NH4NO3 is 2.10 +/- 0.37 x 10(-6) S cm(-1). Conductivity-temperature relationship obeys the Vogel-Tamman-Fulcher (VTF) rule from which the glass transition temperature, T-g was evaluated. The mobility, p and number density of charge carrier, n were calculated using the Rice and Roth model. (C) 2010 Elsevier B.V. All rights reserved.