Microscale Schottky superlubric generator with high direct-current density and ultralong life.

ABSTRACT: Miniaturized or microscale generators that can effectively convert weak and random mechanical energy into electricity have significant potential to provide solutions for the power supply problem of distributed devices. However, owing to the common occurrence of friction and wear, all such generators developed so far have failed to simultaneously achieve sufficiently high current density and sufficiently long lifetime, which are crucial for real-world applications. To address this issue, we invent a microscale Schottky superlubric generator (S-SLG), such that the sliding contact between microsized graphite flakes and n-type silicon is in a structural superlubric state (an ultra-low friction and wearless state). The S-SLG not only generates high current (~210 Am^-2) and power (~7 W

SUBMITTER: Huang X 

PROVIDER: S-EPMC8050059 | biostudies-literature | 2021 Apr

REPOSITORIES: biostudies-literature