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Enhanced lithium intercalation and conduction in Li α FeTa x O y C z films by the addition of lithium oxides with an atmospheric pressure plasma jet
Journal of Solid State Electrochemistry ( IF 2.6 ) Pub Date : 2020-08-13 , DOI: 10.1007/s10008-020-04803-y
Yung-Sen Lin , Bing-Shiun Shie , Yan-Hong Lai , Jhen-Yu Hu , Hsiang Chen , Chia-Feng Lin

An enhancement of lithium ionic intercalation and conduction performance of lithiated-organo-iron-tantalum oxide (LiαFeTaxOyCz) films has been accomplished by the addition of organo-lithium oxides (LiOyCz) into organo-iron-tantalum oxide (FeTaxOyCz) films using an atmospheric pressure plasma jet (APPJ) at various mixed concentrations of lithium tert-butoxide [(CH3)3COLi] and tantalum ethoxide [Ta(OC2O5)5] precursors. The rapid deposition of LiαFeTaxOyCz films onto polished stainless steel substrates at short exposed durations of 38–41 s with an APPJ has been investigated. The APPJ-polymerized LiαFeTaxOyCz films have noticeable Li+ ionic intercalation/deintercalation performance at 200 reversible cycles in a 1-M LiClO4-propylene carbonate electrolyte as analyzed by both potential sweep and potential step in situ Li+ ionic intercalation. The Li+ ion intercalated and deintercalated charges are significantly improved from 5.70 and 5.20 mC/cm2 for FeTaxOyCz film to 8.11 and 7.51 mC/cm2 for LiαFeTaxOyCz films, respectively. The Li+ ionic conduction performance of FeTaxOyCz film is slightly enhanced from 107 × 10−10 to 118 × 10−10 S/cm for LiαFeTaxOyCzfilm, as verified by electrochemical impedance spectroscopy in the devices of polyethylene terephthalate (PET)/indium tin oxide (ITO)/NiOx/FeTaxOyCz/NiOx/ITO and PET/ITO/NiOx/LiαFeTaxOyCz/NiOx/ITO.



中文翻译:

通过在常压等离子体射流中添加氧化锂来增强LiαFeTa x O y C z膜中的锂嵌入和传导

的锂化-有机-铁-氧化钽的锂离子嵌入和传导性能的提高(栗α FETA X ö ý Ç Ž)膜已通过添加有机锂氧化物(LIO的完成ý Ç Ž)转换成有机铁-使用常压等离子体射流(APPJ)在丁醇锂[(CH 33 COLi]和乙醇钽[Ta(OC 2 O 55的各种混合浓度下制备氧化钽(FeTa x O y C z)膜]前体。锂的快速沉积α FETA X ö ý Ç Ž在与APPJ的38-41小号短持续时间暴露到膜抛光不锈钢基材进行了研究。所述APPJ聚合栗α FETA X ö ý Ç Ž膜具有显着的李+离子嵌入/脱嵌在200个可逆循环的性能1-M的LiClO 4 -丙烯碳酸盐电解质作为分析通过原位李两者电位扫描和电位阶跃+离子嵌入。FeTa的Li +离子嵌入和脱嵌电荷分别从5.70和5.20 mC / cm 2显着提高X ø ý Ç Ž膜8.11和7.51的MC /厘米2为锂α FETA X ö ý Ç Ž膜,分别。李+ FETA的离子传导性能X ö ý Ç ž膜稍微从107增强 ×  10 -10至118  ×  10 -10  S / cm的锂α FETA X ö ý Ç Ž膜,如通过电化学阻抗谱验证聚对苯二甲酸乙二醇酯(PET)/氧化铟锡(ITO)/ NiO的设备X / FETA X ö ý Ç ž /的NiO X / ITO和PET / ITO /的NiO X /锂α FETA X ö ý Ç ž /的NiO X / ITO。

更新日期:2020-08-14
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