首页|Flexible NiS2 film as high specific capacity cathode for thermal battery
Flexible NiS2 film as high specific capacity cathode for thermal battery
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NSTL
Elsevier
Powders press technique is considered as a universal means for preparing cathode of thermal battery. In this work, the flexible NiS2 film cathode with thickness of 120 μm was prepared by tape-casting method. It overcame the issue of organic adhesive failure at high temperature. The NiS2 film retains comparable ductility after heat treatment at 350 °C. And no crack occurs on the surface of the film after 100 times bending. Its density is similar to NiS2 tablets. Assembled in a single thermal battery, an ultrahigh specific capacity of 648 mA h g?1 at 250 mA cm?2 can be achieved with cut-off voltage of 1.5 V. Due to its short lithium ionic transmission distance, the specific capacity increases 13% compared with NiS2 tablets. This work affords a reference significance for the research on full-component flexible thermal battery.
Flexible cathodeHigh specific capacityNiS2 filmThermal battery
Bin Yao、Fu L.、Liao Z.、Zhu J.、Yang W.、Li D.、Zhou L.
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College of Materials Science and Engineering Hunan University
NSTL
Elsevier
