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Hybrid Energy Cell for Degradation of Methyl Orange by Self-Powered Electrocatalytic Oxidation

Authors
Yang, YaZhang, HulinLee, SangminKim, DongseobHwang, WoonbongWang, Zhong Lin
Issue Date
Feb-2013
Publisher
AMER CHEMICAL SOC
Keywords
Hybrid energy cell; triboelectric nanogenerator; pyroelectric nanogenerator; self-powered; methyl orange; electrodegradation
Citation
NANO LETTERS, v.13, no.2, pp 803 - 808
Pages
6
Journal Title
NANO LETTERS
Volume
13
Number
2
Start Page
803
End Page
808
URI
https://scholarworks.bwise.kr/cau/handle/2019.sw.cau/47949
DOI
10.1021/nl3046188
ISSN
1530-6984
1530-6992
Abstract
In general, methyl orange (MO) can be degraded by an electrocatalytic oxidation process driven by a power source due to the generation of superoxidative hydroxyl radical on the anode. Here, we report a hybrid energy cell that is used for a self-powered electrocatalytic process for the degradation of MO without using an external power source. The hybrid energy cell can simultaneously or individually harvest mechanical and thermal energies. The mechanical energy was harvested by the triboelectric nanogenerator (TENG) fabricated at the top by using a flexible polydimethysiloxane (PDMS) nanowire array with diameters of about 200 nm. A pyroelectric nanogenerator (PENG) was fabricated below the TENG to harvest thermal energy. The power output of the device can be directly used for electrodegradation of MO, demonstrating a self-powered electrocatalytic oxidation process.
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