A Streaming Potential/Current-Based Microfluidic Direct Current Generator for Self-Powered Nanosystems.

Zhang, Rui; Wang, Sihong; Yeh, Min-Hsin; Pan, Caofeng; Lin, Long; Yu, Ruomeng; Zhang, Yan; Zheng, Li et al. · Adv Mater · 2015

basic_science · Level V

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Record sourced from PubMed, PMID 26404911.
Also identified by DOI 10.1002/adma.201502477.
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Abstract

A simple but practical method to convert the hydroenergy of microfluids into continuous electrical output is reported. Based on the principle of streaming potential/current, a microfluidic generator (MFG) is demonstrated using patterned micropillar arrays as a quasi-porous flow channel. The continuous electrical output makes this MFG particularly suitable as a power source in self-powered systems. Using the proposed MFG to power a single nanowire-based pH sensor, a self-powered fluid sensor system is demonstrated.

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