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제안 방법
- Electrochemical performance of AC_X electrodes with different ball-milling time(X) was evaluated by cyclic voltammetry(CV) and charge/discharge(C/D) measurements, with an aim of investigating the effect of mixing of active material and conductive additive. Fig.
- Active material(activated carbon) and conductive additive were thoroughly mixed using a ball mill with different ball-milling times. The ball-milling time was varied from 0 to 60 min with an interval of 10 min, in order to investigate the effect of mixing of active material and conductive additive on the electrochemical performance of EDLC electrode in organic electrolyte. Known amount of binder(polyvinylidene fluoride.
- Finally, the dried foil was pressed using a double-roll press at 80 ℃ to yield the electrode sheet. The prepared electrode were denoted as AC_X(X = 0, 10, 20, 30, 40, 50, and 60), where X represents ball-milling time(min).
대상 데이터
- Coin-type EDLC cell(CR2032) is composed of two symmetrical carbon electrodes, separator, organic electrolyte, SUS cap, spacer and so on(Fig. 1). Prior to the coin cell packaging, the punched electrode was soaked in organic electrolyte(1M tetraethylammonium tetrafluoroborate in acetonitrile, TEABF4/AN) for 1 day in a glove box filled with argon.
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