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首页> 外文期刊>Journal of power sources >Organic-inorganic hybrid polymer electrolytes based on polyether diamine, alkoxysilane, and trichlorotriazine: Synthesis, characterization, and electrochemical applications
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Organic-inorganic hybrid polymer electrolytes based on polyether diamine, alkoxysilane, and trichlorotriazine: Synthesis, characterization, and electrochemical applications

机译：基于聚醚二胺，烷氧基硅烷和三氯三嗪的有机-无机杂化聚合物电解质：合成，表征和电化学应用

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摘要

A new type of highly conductive organic-inorganic hybrid polymer electrolytes has been synthesized by the reaction of poly(propylene glycol)-block-poly(ethylene glycol)-block-poly(propylene glycol) bis(2-aminopropyl ether), 2,4,6-trichloro-1,3,5-triazine and alkoxysilane precursor 3-(glycidyloxypropyl)tri-methoxysilane, followed by doping of LiClO_4. The ~(13)C and ~(29)Si solid-sate NMR results confirm the successful synthesis of the organic-inorganic hybrid structure. The solid hybrid electrolyte thus obtained exhibits a maximum ionic conductivity of 1.6 × 10~(-4) S cm~(-1) at 30 ℃, which is the highest among the organic-inorganic hybrid electrolytes. The hybrid electrolytes are electrochemically stable up to 4.2 V. The prototype electrochromic device with such a solid hybrid electrolyte demonstrates a good coloration efficiency value of 183 cm~2 C~(-1) with a cycle life over 200 cycles. For the lithium-ion battery test, the salt free solid hybrid membrane is swelled with a LiPF6-containing electrolyte solution to reach an acceptable ionic conductivity value of 6.5 × 10~(-3) S cm~(-1) at 30 ℃. The battery cell carries an initial discharge capacity of 100 mAh g~(-1) at 0.2C-rate and a coulombic efficiency of about 95% up to 30 cycles without the sign of cell failure. The present organic-inorganic hybrid electrolytes hold promise for applications in electro-chromic devices and lithium ion batteries.
机译：通过聚（丙二醇）-嵌段-聚（乙二醇）-嵌段-聚（丙二醇）双（2-氨基丙基醚）的反应合成了一种新型的高导电性有机-无机杂化聚合物电解质，2， 4,6-三氯-1,3,5-三嗪和烷氧基硅烷前体3-（缩水甘油氧基丙基）三甲氧基硅烷，然后掺杂LiClO_4。 〜（13）C和〜（29）Si固相NMR结果证实了有机-无机杂化结构的成功合成。如此获得的固体杂化电解质在30℃下的最大离子电导率为1.6×10〜（-4）S cm〜（-1），在有机-无机杂化电解质中最高。杂化电解质在高达4.2 V的电压下具有电化学稳定性。具有这种固体杂化电解质的原型电致变色器件显示出183 cm〜2 C〜（-1）的良好着色效率，循环寿命超过200个循环。对于锂离子电池测试，将无盐固体杂化膜用含LiPF6的电解质溶液溶胀，以使其在30℃下的可接受的离子电导率值为6.5×10〜（-3）S cm〜（-1）。该电池在0.2C的速率下具有100 mAh g〜（-1）的初始放电容量，在30个循环内的库仑效率约为95％，而没有电池失效的迹象。本发明的有机-无机杂化电解质有望用于电致变色器件和锂离子电池中。

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  • 来源
    《Journal of power sources》 |2014年第10期|651-660|共10页
  • 作者

    Diganta Saikia; Cheng-Gang Wu; Jason Fang; Li-Duan Tsai; Hsien-Ming Kao;

  • 作者单位

    Department of Chemistry, National Central University, Chung-Li 32054, Taiwan, ROC;

    Department of Chemistry, National Central University, Chung-Li 32054, Taiwan, ROC;

    Department of Fuel Cell Materials and Advanced Capacitors, Division of Energy Storage Materials and Technology, Material and Chemical Laboratories, Industrial Technology Research Institute, Hsin-Chu 300, Taiwan, ROC;

    Department of Fuel Cell Materials and Advanced Capacitors, Division of Energy Storage Materials and Technology, Material and Chemical Laboratories, Industrial Technology Research Institute, Hsin-Chu 300, Taiwan, ROC;

    Department of Chemistry, National Central University, Chung-Li 32054, Taiwan, ROC;

  • 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
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  • 关键词

    Organic-inorganic hybrid polymer; electrolyte; Ionic conductivity; Solid-state nuclear magnetic resonance; Electrochromic device; Lithium-ion battery;

    机译：有机-无机杂化聚合物;电解质离子电导率;固态核磁共振;电致变色器件;锂离子电池;

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