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首页> 外文期刊>Electrochemical and solid-state letters >Stability of Li/polymer electrolyte-ionic liquid composite/lithium conducting glass ceramics in an aqueous electrolyte
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Stability of Li/polymer electrolyte-ionic liquid composite/lithium conducting glass ceramics in an aqueous electrolyte

机译：Li /聚合物电解质-离子液体复合/锂导电玻璃陶瓷在水性电解质中的稳定性

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摘要

Motivated by the suppression on the lithium dendrite formation by the addition of an ionic liquid of N-methyl-N-propylpiperidinium- bis(trifluoromethanesulfonyl)imide (PP13TFSI) into the poly(ethylene oxide) (PEO)-LiN(SO_2CF_3)_2 (LiTFSI) electrolyte, the stability and the electrochemical performance of a water-stable lithium metal electrode composed of Li/PEO_(18)LiTFSI-1.44PP13TFSI/Li _(1x)yTi_(2-x)Al_xP_(3-y)Si_yO _(12) (LTAP) is examined in an aqueous solution. A lithium/air cell with a configuration of Li/PEO18LiTFSI-1.44PP13TFSI/LTAP/aqueous 1 M LiCl solution/Pt air was stable and exhibited a significantly reduced electrode resistance of 113 cm~2 compared to Li/PEO_(18)LiTFSI/LTAP/ aqueous 1 M LiCl solution/Pt air of 500 cm~2, and exhibited low lithium deposition and striping polarization potentials of less than 0.3 V during charge and discharge at 0.3 mA cm~(-2) for 100 cycles at 60C.
机译：通过在聚环氧乙烷（PEO）-LiN（SO_2CF_3）_2中添加N-甲基-N-丙基哌啶鎓-双（三氟甲磺酰基）酰亚胺（PP13TFSI）离子液体来抑制锂枝晶形成LiTFSI）电解质，由Li / PEO_（18）LiTFSI-1.44PP13TFSI / Li _（1x）yTi_（2-x）Al_xP_（3-y）Si_yO _组成的耐水锂金属电极的稳定性和电化学性能（12）（LTAP）在水溶液中检查。构造为Li / PEO18LiTFSI-1.44PP13TFSI / LTAP / 1M LiCl水溶液/ Pt空气的锂/空气电池稳定，与Li / PEO_（18）LiTFSI /相比，电极电阻显着降低113 cm〜2 LTAP / 1 M LiCl水溶液/ Pt空气为500 cm〜2，在60°C下以0.3 mA cm〜（-2）充电和放电100次后，锂沉积和剥离极化电位低于0.3V。

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