Engineering the Membrane/Electrode Interface To Improve the Performance of Solid-State Supercapacitors | Zendy

Chun Huang | Zendy; Jin Zhang | Zendy; Henry J. Snaith | Zendy; Patrick S. Grant | Zendy

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Engineering the Membrane/Electrode Interface To Improve the Performance of Solid-State Supercapacitors

Author(s) -

Chun Huang,

Jin Zhang,

Henry J. Snaith,

Patrick S. Grant

Publication year - 2016

Publication title -

acs applied materials and interfaces

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 2.535

H-Index - 228

eISSN - 1944-8252

pISSN - 1944-8244

DOI - 10.1021/acsami.6b05789

Subject(s) - materials science , supercapacitor , electrode , interface (matter) , solid state , nanotechnology , membrane , optoelectronics , engineering physics , composite material , capacitance , engineering , wetting , chemistry , sessile drop technique , biology , genetics

This paper investigates the effect of adding a 450 nm layer based on porous TiO2 at the interface between a 4.5 μm carbon/TiO2 nanoparticle-based electrode and a polymer electrolyte membrane as a route to improve energy storage performance in solid-state supercapacitors. Electrochemical characterization showed that adding the interface layer reduced charge transfer resistance, promoted more efficient ion transfer across the interface, and significantly improved charge/discharge dynamics in a solid-state supercapacitor, resulting in an increased areal capacitance from 45.3 to 111.1 mF cm(-2) per electrode at 0.4 mA cm(-2).

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