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电化学  2013 

钙钛矿La1-xSrxCoO3的电化学电容性能

, PP. 174-177

Keywords: 钙钛矿,电化学电容,碱性介质

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Abstract:

以溶胶-凝胶法制备La1-xSrxCoO3(x=0.2,0.4,0.6,0.8)电极材料,XRD表征证明所得产物属钙钛矿相.由循环伏安和充放电曲线测试了La1-xSrxCoO3在碱性介质中的电化学电容性能.结果表明,La0.6Sr0.4CoO3电极10mA.cm-2电流密度的放电比电容为325F.g-1,500周期循环后其比电容仍保持于315F.g-1,比电容保持率97.0%.

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