CAJ | 학술논문

以尿素和氯化镍为原料，采用水热法制备了泡沫镍载Ni（OH）2纳米片电极，利用扫描电镜（SEM）观测了纳米片的形貌，利用X 射线衍射（XRD）分析了纳米片的结构，通过循环伏安和恒流充放电测试了电极的超级电容性能．检测结果表明：所制备的Ni（O H ）2纳米片先构成一种交错连接的线状结构，再以线的形式均匀而密集地覆盖在泡沫镍的骨架上．这种特殊结构使得该纳米片电极表现出良好的电容性能，在电流密度为10 mA／cm2的情况下，其面积比电容为255 m F／cm2．
이뇨소화록화얼위원료，채용수열법제비료포말얼재Ni（OH）2납미편전겁，이용소묘전경（SEM）관측료납미편적형모，이용X 사선연사（XRD）분석료납미편적결구，통과순배복안화항류충방전측시료전겁적초급전용성능．검측결과표명：소제비적Ni（O H ）2납미편선구성일충교착련접적선상결구，재이선적형식균균이밀집지복개재포말얼적골가상．저충특수결구사득해납미편전겁표현출량호적전용성능，재전류밀도위10 mA／cm2적정황하，기면적비전용위255 m F／cm2．
The electrode of Ni(OH)2 nanoflakes standing on nickel foam has been prepared in hydrothermal method .Its morphology has been examined by scanning electron microscopy (SEM ) ,the phase structure of Ni(OH)2 has been analyzed by X-ray diffraction spectroscopy (XRD) ,and the electrochemical capaci-tance of the electrode been investigated by cyclic voltammetry and galvanostatic charge-discharge test .T he results show that Ni(OH)2 nanoflakes grow on and densely cover the nickel foam substrate .The Ni foam/Ni(OH)2 nanoflakes electrode has a high specific capacitance of 255 mF/cm .