Electrospinning fabrication and electrochemical properties of lithium cobalt nanoflbers for lithium battery cathode

机译：锂电池阴极锂钴纳米纤维的电纺丝制备及电化学性能

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In the present work, we have successfully fabricated nanostructured LiCoO_2 fibers using electrospinning technique from a viscous solution of lithium acetate/cobalt acetate/PVP (Polyvinylpyrrolidone), XRD (X-ray diffraction) and SEM (scanning electron microscopy) were performed to investigate the phase and microstructures of the electrospinning fibers respectively. Furthermore CV (cyclic voltammetry) and charge-discharge experiments were applied to characterize the electrochemical properties of LiCoO_2 nanoflbers. It is noteworthy that the nanostructured cathode offers a higher charge-discharge capacity compared with conventional powder or film cathodes, thus LiCoO_2 nanofiber cathode may become a promising candidate for the construction of microscale lithium ion batteries due to its larger surface to volume ratio.

机译：在目前的工作中，我们已经成功地使用静电纺丝技术从醋酸锂/醋酸钴/ PVP（聚乙烯吡咯烷酮）的粘性溶液，XRD（X射线衍射）和SEM（扫描电子显微镜）中制备了纳米结构的LiCoO_2纤维。纺丝纤维的相结构和微观结构。此外，通过CV（循环伏安法）和充放电实验来表征LiCoO_2纳米纤维的电化学性能。值得注意的是，与传统的粉末或薄膜阴极相比，纳米结构的阴极具有更高的充放电容量，因此，LiCoO_2纳米纤维阴极由于其较大的表面积与体积之比，可能成为制造微型锂离子电池的有前途的候选者。

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《Conference on Active and passive smart structures and integrated systems; 20090309-12; San Diego, CA(US)》|2009年|P.728806.1-728806.7|共7页
会议地点 San Diego CA(US)
作者
Yanyi Liu; Minoru Taya;
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Department of Materials Science and Engineering, Center for Intelligent Materials and Systems, University of Washington, Box 352600, Seattle, WA 98195;

Department of Materials Science and Engineering, Center for Intelligent Materials and Systems, Universi;

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Electrospinning fabrication and electrochemical properties of lithium cobalt nanoflbers for lithium battery cathode

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