数码产品
材料科学
超级电容器
储能
计算机科学
可穿戴技术
可穿戴计算机
纳米技术
电气工程
功率(物理)
嵌入式系统
电极
工程类
电容
物理化学
物理
量子力学
化学
作者
Nana Amponsah Kyeremateng,Thierry Brousse,David Pech
标识
DOI:10.1038/nnano.2016.196
摘要
The push towards miniaturized electronics calls for the development of miniaturized energy-storage components that can enable sustained, autonomous operation of electronic devices for applications such as wearable gadgets and wireless sensor networks. Microsupercapacitors have been targeted as a viable route for this purpose, because, though storing less energy than microbatteries, they can be charged and discharged much more rapidly and have an almost unlimited lifetime. In this Review, we discuss the progress and the prospects of integrated miniaturized supercapacitors. In particular, we discuss their power performances and emphasize the need of a three-dimensional design to boost their energy-storage capacity. This is obtainable, for example, through self-supported nanostructured electrodes. We also critically evaluate the performance metrics currently used in the literature to characterize microsupercapacitors and offer general guidelines to benchmark performances towards prospective applications.
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