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Optimizing Main Materials for a Lithium-Air Battery of High Cycle Life

机译：优化高寿命锂空气电池的主要材料

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摘要

By optimizing the main materials in lithium-air batteries, namely sulfolane as electrolyte solvent, lithium bis(trifluoromethanesulfonyl)imide (LiTFSI) as electrolyte salt, carbon paper as current collector, and Li_2O_2-C hybrids as positive electrode materials, a performance of 800 cycles with a specific capacity of 1000 mAh g~(-1) (based on the total mass of positive electrode materials) and an average energy efficiency of 74.72% has been achieved in this work and for the first time reported in the field of lithium-air battery. Sulfolane-based electrolyte and carbon paper current collector play the most critical role in building such a lithium-air battery of high cycle life. The findings described here are expected to benefit the pursuit of green, sustainable, and high-performance lithium-air batteries.
机译：通过优化锂-空气电池的主要材料，即环丁砜作为电解质溶剂，双（三氟甲磺酰基）酰亚胺锂（LiTFSI）作为电解质盐，碳纸作为集电器以及Li_2O_2-C混合材料作为正极材料，性能达到800这项工作已经实现了比容量为1000 mAh g〜（-1）（基于正极材料的总质量）和平均能量效率为74.72％的循环，这是锂领域的首次报道-空气电池。环丁砜基电解质和碳纸集电器在构建这种高循环寿命的锂空气电池中发挥着至关重要的作用。预期此处描述的发现将有利于追求绿色，可持续和高性能的锂空气电池。

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  • 来源
    《Advanced Functional Materials》 |2014年第14期|2101-2105|共5页
  • 作者

    Zhong-Kuan Luo; Chun-Sheng Liang; Fang Wang; Yang-Hai Xu; Jing Chen; Dong Liu; Hong-Yuan Sun; Hui Yang; Xian-Ping Fan;

  • 作者单位

    College of Chemistry and Chemical Engineering Shenzhen University 3688 Nanhai Avenue, Nanshan District Shenzhen, 518060, China,Zhejiang California International NanoSystems Institute & Department of Materials Science and Engineering Zhejiang University 38# Zhe Da Road, Hangzhou, 310000, China;

    College of Chemistry and Chemical Engineering Shenzhen University 3688 Nanhai Avenue, Nanshan District Shenzhen, 518060, China;

    College of Chemistry and Chemical Engineering Shenzhen University 3688 Nanhai Avenue, Nanshan District Shenzhen, 518060, China;

    College of Chemistry and Chemical Engineering Shenzhen University 3688 Nanhai Avenue, Nanshan District Shenzhen, 518060, China;

    College of Chemistry and Chemical Engineering Shenzhen University 3688 Nanhai Avenue, Nanshan District Shenzhen, 518060, China;

    College of Chemistry and Chemical Engineering Shenzhen University 3688 Nanhai Avenue, Nanshan District Shenzhen, 518060, China;

    College of Chemistry and Chemical Engineering Shenzhen University 3688 Nanhai Avenue, Nanshan District Shenzhen, 518060, China;

    Zhejiang California International NanoSystems Institute & Department of Materials Science and Engineering Zhejiang University 38# Zhe Da Road, Hangzhou, 310000, China;

    Zhejiang California International NanoSystems Institute & Department of Materials Science and Engineering Zhejiang University 38# Zhe Da Road, Hangzhou, 310000, China;

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