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首页> 外文期刊>Journal of power sources >Electrochemical properties of Li_7La_3Zr_2O_(12)-based solid state battery
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Electrochemical properties of Li_7La_3Zr_2O_(12)-based solid state battery

机译：Li_7La_3Zr_2O_（12）基固态电池的电化学性能

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摘要

The effect of moisture on the Li ion conduction of Li_7La_3Zr_2O_(12) (LLZ) ceramic and the electrochemical properties of LLZ-based solid state battery was investigated using LiFePO_4 (LFP) film as a cathode. LFP film was fabricated by aerosol deposition method. The secondary phase was formed in LLZ ceramic, when the specimen was exposed in humid air. With the formation of the secondary phase, the severe degradation of Li ion conduction was observed at the grain boundary. In addition, the charge and discharge capacities of LLZ-based solid state cell were quite low at room temperature, although, at 140 ℃, the cell showed the high capacity. Therefore, the protection of LLZ ceramic from moisture might be required to gain the high capacity of LLZ-based solid state cell at room temperature.
机译：以LiFePO_4（LFP）薄膜为阴极，研究了水分对Li_7La_3Zr_2O_（12）（LLZ）陶瓷的Li离子传导和LLZ基固态电池的电化学性能的影响。 LFP膜是通过气溶胶沉积法制备的。当样品暴露于潮湿空气中时，第二相由LLZ陶瓷形成。随着第二相的形成，在晶界处观察到锂离子传导的严重退化。另外，尽管在140℃时LLZ型固态电池在室温下充放电容量很小，但其充放电容量却很高。因此，可能需要对LLZ陶瓷进行防潮保护，以在室温下获得LLZ基固态电池的高容量。

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  • 来源
    《Journal of power sources》 |2014年第25期|554-558|共5页
  • 作者

    Cheol-Woo Ahn; Jong-Jin Choi; Jungho Ryu; Byung-Dong Hahn; Jong-Woo Kim; Woon-Ha Yoon; Joon-Hwan Choi; Jong-Sook Lee; Dong-Soo Park;

  • 作者单位

    Functional Ceramics Department, Powder & Ceramics Division, Korea Institute of Materials Science (KIMS), Changwon, Gyeongnam 641-831, Republic of Korea;

    Functional Ceramics Department, Powder & Ceramics Division, Korea Institute of Materials Science (KIMS), Changwon, Gyeongnam 641-831, Republic of Korea;

    Functional Ceramics Department, Powder & Ceramics Division, Korea Institute of Materials Science (KIMS), Changwon, Gyeongnam 641-831, Republic of Korea;

    Functional Ceramics Department, Powder & Ceramics Division, Korea Institute of Materials Science (KIMS), Changwon, Gyeongnam 641-831, Republic of Korea;

    Functional Ceramics Department, Powder & Ceramics Division, Korea Institute of Materials Science (KIMS), Changwon, Gyeongnam 641-831, Republic of Korea;

    Functional Ceramics Department, Powder & Ceramics Division, Korea Institute of Materials Science (KIMS), Changwon, Gyeongnam 641-831, Republic of Korea;

    Functional Ceramics Department, Powder & Ceramics Division, Korea Institute of Materials Science (KIMS), Changwon, Gyeongnam 641-831, Republic of Korea;

    School of Materials Science and Engineering, Chonnam National University, Gwangju 500-757, Republic of Korea;

    Functional Ceramics Department, Powder & Ceramics Division, Korea Institute of Materials Science (KIMS), Changwon, Gyeongnam 641-831, Republic of Korea;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Li_7La_3Zr_2O_(12); LiFePO_4; Moisture; All-solid-state battery;

    机译：Li_7La_3Zr_2O_（12）;LiFePO_4;湿气;全固态电池;

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