Electrical energy generation in fluidic channels and membranes using spontaneous capillary flow
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United States of America Patent
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Mar 9, 2021
Grant Date -
Mar 28, 2019
app pub date -
Sep 25, 2018
filing date -
Sep 25, 2017
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Abstract
Described herein are systems and methods for the generation of electric current and/or electric potential utilizing micro- or nano-channels and capillary flow, including fluidic or microfluidic batteries and electrochemical cells. The provided systems and methods use capillary force to promote fluid flow through micro- and nano-fluidic channels by evaporating fluid at one terminus of the channel, and the resulting fluid flow generates electric potential and or current. Advantageously, the described systems and methods remove the need for pressurized vessels or external pumps, increasing net energy generation and decreasing complexity and size of potential fluidic batteries.
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