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首页> 外文期刊>Journal of Materials Science. Materials in Electronics >Submicron size Li(Ni1/3Co1/3Mn1/3)O-2 particles prepared by spray pyrolysis from polymeric precursor solution
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Submicron size Li(Ni1/3Co1/3Mn1/3)O-2 particles prepared by spray pyrolysis from polymeric precursor solution

机译：通过喷雾热解从聚合物前体溶液中制备亚微米级Li（Ni1 / 3Co1 / 3Mn1 / 3）O-2颗粒

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摘要

Submicron-sized Li(Ni1/3Co1/3Mn1/3)O-2 particles were prepared by spray pyrolysis. A polymeric precursor solution containing citric acid and ethylene glycol enabled the formation of submicron-sized Li(Ni1/3Co1/3Mn1/3)O-2 spherical particles with narrow-sized distribution and non-aggregation characteristics in the spray pyrolysis. The mean sizes of the particles post-treated at temperatures of 800 and 900 degrees C were 380 and 770 nm. On the other hand, the Li(Ni1/3Co1/3Mn1/3)O-2 particles obtained from the aqueous solution had irregular morphology and broad-sized distribution. The discharge capacity of the particles prepared from polymeric precursor solution decreased from 88 mAh/g to 135 mAh/g after 50 cycles. The particles prepared from polymeric precursor solution had high discharge capacity and good cyclic properties than those of the particles prepared from the aqueous solution.
机译：通过喷雾热解法制备了亚微米级的Li（Ni1 / 3Co1 / 3Mn1 / 3）O-2颗粒。含有柠檬酸和乙二醇的聚合物前驱体溶液能够形成亚微米尺寸的Li（Ni1 / 3Co1 / 3Mn1 / 3）O-2球形颗粒，该颗粒在喷雾热解过程中具有窄尺寸分布和非聚集特性。在800和900摄氏度的温度下进行后处理的颗粒的平均尺寸为380和770 nm。另一方面，从水溶液获得的Li（Ni1 / 3Co1 / 3Mn1 / 3）O-2颗粒具有不规则的形态和宽尺寸的分布。在50次循环后，由聚合物前体溶液制备的颗粒的放电容量从88mAh / g降低至135mAh / g。由聚合物前体溶液制备的颗粒比由水溶液制备的颗粒具有更高的放电容量和良好的循环特性。

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