请问各位大神,有没有在酸性(H2SO4)条件下做超级电容器的? Title: A general approach for fabrication of nitrogen-doped graphene sheets and its application in supercapacitors Author(s): Wang, Dewei; Min, Yonggang; Yu, Youhai; et al. Source: Journal of Collo ... 谢谢,这篇文章电压范围是0~1.4,那电压为负可以吗,查看更多