High-voltage micro-plasma switch for efficient power management of triboelectric kinetic energy harvesters
international electron devices meeting(2020)
摘要
As for any electrostatic transducer, triboelectric energy generators (TENGs) need to maximize their bias voltage for a good kinetic-to-electrical energy conversion. If several hundreds of volts can be obtained directly by triboelectric contacts for some state-of-art devices, unstable charge-pump (UCP) conditioning circuits can also be used to reach such high values with more basic TENGs. Whatever the chosen solution, this high-voltage must be reduced to a few volts to power an electronic device. In this abstract, we first compare the three main UCPs and we propose to use an autonomous MEMS micro-plasma switch in a Buck DC-DC converter in order to maximized the voltage across the TENG while obtaining a low voltage rectified output without any external control.
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关键词
efficient power management,triboelectric kinetic energy harvesters,electrostatic transducer,triboelectric energy generators,TENG,electrical energy conversion,unstable charge-pump conditioning circuits,UCP,electronic device,autonomous MEMS microplasma switch,buck DC-DC converter,low voltage rectified output
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