2016年7月6日 · 关键词: 石墨烯, 高密度, 致密储能, 超级电容器, 体积容量性能 Abstract: Gravimetric energy densities of nanocarbons continuously improved over the years. However, due to their low densities, these nanomaterials normally suffer from relatively low volumetric performance, and their high gravimetric energy densities cannot be translated to the practical