基于水热法的V2O5纳米颗粒制备及其电化学性能

来源 :江汉大学学报（自然科学版） | 被引量 : 0次 | 上传用户：shinetar

【摘要】

：

V2O5是一种具有层状结构的金属氧化物电极材料,具有较高的理论比电容,通过不同方法可以制备出不同形貌的晶体V2O5微纳材料.为了进一步提升V2O5电极材料的电化学性能,以V2O5粉末为原料,使用水热法在碳布上制备出V2O5前躯体,经过300℃退火制备出平均直径为80 nm的V2O5纳米颗粒,研究了不同V2O5粉末添加量和退火温度对产物形貌的影响.对退火后的V2O5纳米颗粒碳布电极进行电化学性能测试,结果表明该电极具有良好的电化学活性和循环可逆性,电流密度为1 A/g时,比电容为678.6 F/g,具有较优

【作者】

：

刘万能叶浩然倪航田玉朱小龙郑广

【机构】

：

江汉大学光电化学材料与器件教育部重点实验室,湖北武汉 430056;武汉大学电子信息学院,湖北武汉 430072

【出处】

：

江汉大学学报（自然科学版）

【发表日期】

：

2022年1期

【关键词】

：

V2O5纳米颗粒比电容 V2O5碳布电极水热法

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