Fabrication of nickel-yttria stabilized zirconia 3D micro-pattern by atmospheric plasma spray as a dual-functional electrocatalyst for overall water splitting applications in alkaline medium
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- @Article{SIVAKUMAR:2020:JPS,
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author = "Sankaran Sivakumar and Subramaniam Yugeswaran and
Kalimuthu {Vijaya Sankar} and Lakshmanan Kumaresan and
Gurusamy Shanmugavelayutham and Yoed Tsur and
Jianguo Zhu",
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title = "Fabrication of nickel-yttria stabilized zirconia 3D
micro-pattern by atmospheric plasma spray as a
dual-functional electrocatalyst for overall water
splitting applications in alkaline medium",
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journal = "Journal of Power Sources",
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volume = "473",
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pages = "228526",
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year = "2020",
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ISSN = "0378-7753",
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DOI = "doi:10.1016/j.jpowsour.2020.228526",
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URL = "http://www.sciencedirect.com/science/article/pii/S0378775320308302",
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keywords = "genetic algorithms, genetic programming, Porous
electrode, Plasma spraying, Water-splitting,
Micro-pattern, Impedance analysis, Overall water
splitting",
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abstract = "Identification of active and stable dual-functional
electrocatalyst is a key obstacle for producing clean
hydrogen fuel. Herein, we report a single-step
fabrication of nickel-yttria stabilized zirconia
(Ni-YSZ) 3D micro-pattern through atmospheric plasma
spray as a dual-functional electrocatalyst for overall
water splitting. This 3D micro-pattern strategy
improves the mass diffusion pathway and active surface
area, resulting in good electrocatalytic activity
towards oxygen and hydrogen evolution reactions (OER
and HER). Although YSZ alone shows little catalytic
activity, Ni decorations enhances the activity towards
OER and HER in alkaline solution. Using Ni-YSZ as a
dual-functional electrocatalyst, it reaches a current
density of 10 mA cm-2 at the potential of 1.70 V, 1.65
V, and 1.67 V after 0 h, 100 h, and 200 h of durability
tests. Besides, electrochemical impedance spectroscopy
(EIS) spectra analyzed by genetic programming is
monitoring the resistance contributed by several
relaxations and provides the information about its
changes with durability tests and Ni contents. This
study opens a new strategy to enhance the
water-splitting performance and to analyze the EIS data
of electrocatalytic systems",
- }
Genetic Programming entries for
Sankaran Sivakumar
Subramaniam Yugeswaran
Kalimuthu Vijaya Sankar
Lakshmanan Kumaresan
Gurusamy Shanmugavelayutham
Yoed Tsur
Jianguo Zhu
Citations