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Surface-Charge-Mediated Formation of H-TiO2 @Ni(OH)2 Heterostructures for High-Performance Supercapacitors.

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An electrochemically favorable Ni(OH)2 with porously hierarchical structure and ultrathin nanosheets in a core-shell structure H-TiO2 @Ni(OH)2 is achieved through modulating the surface chemical activity of TiO2 by hydrogenation, which… Click to show full abstract

An electrochemically favorable Ni(OH)2 with porously hierarchical structure and ultrathin nanosheets in a core-shell structure H-TiO2 @Ni(OH)2 is achieved through modulating the surface chemical activity of TiO2 by hydrogenation, which creates a defect-rich surface of TiO2 , thereby facilitating the subsequent nucleation and growth of Ni(OH)2 . These configuration-tailored H-TiO2 @Ni(OH)2 core-shell nanowires exhibit a superior electrochemical performance and good flexibility.

Keywords: tio2; surface charge; mediated formation; formation tio2; performance; charge mediated

Journal Title: Advanced materials
Year Published: 2017

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