Electrochemical capacitance of titanium nitride modified lithium titanate nanotube array
作者： Yibing Xie , Rongrong Gao
DOI: 10.1016/J.JALLCOM.2017.05.179
关键词: Titanium nitride 、 Tin 、 Anode 、 Lithium titanate 、 Electrolyte 、 Inorganic chemistry 、 Materials science 、 Annealing (metallurgy) 、 Electrode 、 Supercapacitor
摘要: Abstract Titanium nitride modified lithium titanate nanotube array (TiN-Li 4 Ti 5 O 12 NTA) was designed as the electrode material of lithium-ion supercapacitor for electrochemical energy storage. Li NTA prepared through lithiation treatment anodic TiO 2 and then annealing in argon. TiN-Li formed coating sol on surface full nitridation ammonia. Partially nitridized (N-Li ) also a controlled with TiN layer exhibited higher conductivity than N-Li partially incorporated TiN. The capacitance accordingly increased from 79.58 F g −1 to 143.83 F g at 0.5 A g 0.5 M SO . retention ratio 72.95% 82.41% after 1000 cycles at 3.0 A g all-solid-state constructed using polyvinyl alcohol gel electrolyte containing , showing high 40.45 F g density 32.36 Wh kg power 0.6 kW kg output voltage 2.4 V current Therefore, could act feasible supercapacitor.
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