초록

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Abstract ▼ AI-Helper

The effect of electroless Ni and Cu plating on $LaNi_5$, $AB_5$ type hydrogen storage alloy was investigated by the various electrochemical techniques such as constant current charge-discharge test, cyclic voltammeoy, and a.c. impedance spectroscopy. Scanning electron microscop...

The effect of electroless Ni and Cu plating on $LaNi_5$, $AB_5$ type hydrogen storage alloy was investigated by the various electrochemical techniques such as constant current charge-discharge test, cyclic voltammeoy, and a.c. impedance spectroscopy. Scanning electron microscopy and X-ray diffraction test were conducted for phenomenological logical analyses. Cyclic Voltammetry results show that activation characteristics, cycle life and reaction ,rate were improved through electroless Ni and Cu plating. Compared with bare $LaNi_5$ the charge transfer resistance of electrode was greatly reduced as charge-discharge cycle increases. Therefore, electroless Ni and Cu plating on $LaNi_5$ alloy tends to accelerate the early activation, increasing the cyclic lift of electrode.

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