Sugiawati Vinsensia Ade, Vacandio Florence, Eyraud Marielle, Knauth Philippe, Djenizian Thierry
Aix-Marseille University, CNRS, MADIRELLaboratory, UMR 7246, 13397, Marseille, France.
Department of Flexible Electronics, Ecole National Supérieure des Mines de Saint-Etienne, Center of Microelectronics in Provence, 13 541, Gardanne, France.
Nanoscale Res Lett. 2016 Dec;11(1):365. doi: 10.1186/s11671-016-1574-7. Epub 2016 Aug 17.
We report the electrochemical performance of porous NASICON-type Li3Fe2(PO4)3 thin films to be used as a cathode for Li-ion microbatteries. Crystalline porous NASICON-type Li3Fe2(PO4)3 layers were obtained by radio frequency sputtering with an annealing treatment. The thin films were characterized by XRD, SEM, and electrochemical techniques. The chronoamperometry experiments showed that a discharge capacity of 88 mAhg(-1) (23 μAhcm(-2)) is attained for the first cycle at C/10 to reach 65 mAhg(-1) (17 μAhcm(-2)) after 10 cycles with a good stability over 40 cycles.
我们报道了用作锂离子微型电池阴极的多孔NASICON型Li3Fe2(PO4)3薄膜的电化学性能。通过射频溅射并进行退火处理获得了结晶多孔NASICON型Li3Fe2(PO4)3层。采用X射线衍射、扫描电子显微镜和电化学技术对薄膜进行了表征。计时电流法实验表明，在C/10倍率下，首次循环的放电容量为88 mAhg(-1)(23 μAhcm(-2))，10次循环后达到65 mAhg(-1)(17 μAhcm(-2))，在40次循环中具有良好的稳定性。
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