Cycling Stability of LiMnPO<sub>4</sub>/C Composite Obtained by Different Processing Routes

Xiaopeng Lu; Xingning Wang; Min Wang; Haisheng Fang

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Cycling Stability of LiMnPO₄/C Composite Obtained by Different Processing Routes

机译：不同工艺路线获得的LiMnPO _{4 / C复合材料的循环稳定性}

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In this paper, LiMnPO4 is composited with carbon black by two different processing routes and their cycling stability is compared. When the LiMnPO4/C composite is finally processed by a ball milling treatment, amorphous domains are observed in LiMnPO4, and the resulting composite shows an obvious impedance growth and capacity loss upon cycling. When the localized amorphization of LiMnPO4 is eliminated by a post annealing treatment, the obtained composite shows an improved stability without any impedance growth upon cycling. Our result demonstrates that different processing route causes different crystallinity of LiMnPO4 which has a big impact on the cycling stability of LiMnPO4/C cathode.

机译：本文通过两种不同的工艺路线，将LiMnPO4与炭黑复合，并比较了其循环稳定性。当最终通过球磨处理对LiMnPO4 / C复合材料进行处理时，在LiMnPO4中观察到非晶域，并且所得复合材料在循环时显示出明显的阻抗增长和容量损失。当通过后退火处理消除LiMnPO4的局部非晶化时，所获得的复合材料显示出改善的稳定性，并且在循环时没有任何阻抗增长。我们的结果表明，不同的加工路线会导致LiMnPO4的结晶度不同，这对LiMnPO4 / C阴极的循环稳定性有很大影响。

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《International Journal of Electrochemical Science》 |2017年第4期|共8页
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Xiaopeng Lu; Xingning Wang; Min Wang; Haisheng Fang;
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7. Cycling Stability of LiMnPO4/C Composite Obtained by Different Processing Routes [O] . Xiaopeng Lu 2017

机译：采用不同加工途径获得的Limnpo4 / C复合材料的循环稳定性

Cycling Stability of LiMnPO4/C Composite Obtained by Different Processing Routes

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Cycling Stability of LiMnPO₄/C Composite Obtained by Different Processing Routes