采用简单的化学沉淀法, 以氯化钴和氨水为原料, 制备了电活性α-Co(OH)2; 用X射线衍射(XRD)仪和红外光谱(FT-IR)仪对其组成进行了分析, 用热分析仪对其热稳定性进行了分析, 用循环伏安和恒电流充放电等方法对其电化学性能进行了研究。结果表明: 所制备的α-Co(OH)2纯度较高, 热稳定性较差, 但具有良好的电化学性能, 单电极比电容为543.8 F·g-1, 经1 000次循环充放电后比电容为初始容量的72%。
所属栏目
材料性能及其应用国家自然科学基金资助项目(20963009); 甘肃省自然科学基金资助项目(0803RJA005)
收稿日期
2012/9/212013/4/24
作者单位
付国瑞:甘肃农业大学理学院, 兰州 730070
胡中爱:西北师范大学化学化工学院, 兰州 730070
备注
付国瑞(1982-), 男, 甘肃庆阳人, 助教, 硕士。
引用该论文:
FU Guo-rui,HU Zhong-ai.Preparation of Co(OH)2 by Precipitation and Its Electrochemical Performance[J].Materials for mechancial engineering,2013,37(8):31～35
付国瑞,胡中爱.沉淀法制备Co(OH)2及其电化学性能[J].机械工程材料,2013,37(8):31～35
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