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Fabrication and optimization of silver electrode porous membrane microfluidic devices for electrokinetic energy harvesting applications

Fabrication and optimization of silver electrode porous membrane microfluidic devices for electrokinetic energy harvesting applications
Fabrication and optimization of silver electrode porous membrane microfluidic devices for electrokinetic energy harvesting applications
Electrokinetic phenomena associated with fluid flow in micro-channels have been studied for different applications. For example, electro-osmotic flow pumps involve driving a fluid along a narrow channel by applying an electric field along the length of the channel. This process is reversible, thus it is possible to use for electric energy generation where driving an electrolyte fluid along a narrow channel by a pressure difference at both sides of the channel results in an electric potential along the length of the channel. Such electric potential can then be harnessed to drive an electric current through an external load. Theoretical conversion efficiencies of up to 12% have been estimated, and experiments have claimed 3% efficiency using flat 75 nm microfabricated channels on silicon.
Grigorov, A.V.
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Hua, P.
92fa76e2-970b-45f5-a459-d9f95e735303
Zhang, X.
d7cf1181-3276-4da1-9150-e212b333abb1
Grigorov, A.V.
0d148293-e027-4cfa-b464-617d39a7f801
Hua, P.
92fa76e2-970b-45f5-a459-d9f95e735303
Zhang, X.
d7cf1181-3276-4da1-9150-e212b333abb1

Grigorov, A.V., Hua, P. and Zhang, X. (2010) Fabrication and optimization of silver electrode porous membrane microfluidic devices for electrokinetic energy harvesting applications. The 17th Joint Annual Conference of CSCST & SCS CS, United Kingdom. 09 Oct 2010.

Record type: Conference or Workshop Item (Paper)

Abstract

Electrokinetic phenomena associated with fluid flow in micro-channels have been studied for different applications. For example, electro-osmotic flow pumps involve driving a fluid along a narrow channel by applying an electric field along the length of the channel. This process is reversible, thus it is possible to use for electric energy generation where driving an electrolyte fluid along a narrow channel by a pressure difference at both sides of the channel results in an electric potential along the length of the channel. Such electric potential can then be harnessed to drive an electric current through an external load. Theoretical conversion efficiencies of up to 12% have been estimated, and experiments have claimed 3% efficiency using flat 75 nm microfabricated channels on silicon.

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More information

e-pub ahead of print date: October 2010
Venue - Dates: The 17th Joint Annual Conference of CSCST & SCS CS, United Kingdom, 2010-10-09 - 2010-10-09
Organisations: Optoelectronics Research Centre, Engineering Science Unit

Identifiers

Local EPrints ID: 362780
URI: http://eprints.soton.ac.uk/id/eprint/362780
PURE UUID: 23667c9a-9843-4d35-8ed6-a3122e2b18a0
ORCID for X. Zhang: ORCID iD orcid.org/0000-0002-4375-1571

Catalogue record

Date deposited: 12 Mar 2014 11:14
Last modified: 10 Jul 2020 00:30

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Contributors

Author: A.V. Grigorov
Author: P. Hua
Author: X. Zhang ORCID iD

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