کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
187355 | 459640 | 2013 | 6 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Chitosan-based gel electrolyte containing an ionic liquid for high-performance nonaqueous supercapacitors
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
مهندسی شیمی
مهندسی شیمی (عمومی)
پیش نمایش صفحه اول مقاله
![عکس صفحه اول مقاله: Chitosan-based gel electrolyte containing an ionic liquid for high-performance nonaqueous supercapacitors Chitosan-based gel electrolyte containing an ionic liquid for high-performance nonaqueous supercapacitors](/preview/png/187355.png)
چکیده انگلیسی
Nonaqueous gel electrolytes based on chitosan and 1-ethyl-3-methylimidazolim tetrafluoroborate (Chi/EMImBF4) are prepared for electric double-layer capacitors (EDLCs). The transparent colorless gel sheet has the high levels of mechanical strength and ionic liquid retention required in EDLC cells. Charge–discharge measurements revealed that a model EDLC cell with a chitosan gel exhibits high discharge capacitance although a gel-state electrolyte was used, indicating that the high affinity of chitosan for the activated carbon electrode decreases the electrode–electrolyte interfacial resistance. A test cell with Chi/EMImBF4 maintained a Coulombic efficiency of more than 99.9% during 5000 cycles.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Electrochimica Acta - Volume 100, 30 June 2013, Pages 275–280
Journal: Electrochimica Acta - Volume 100, 30 June 2013, Pages 275–280
نویسندگان
Masaki Yamagata, Kazunari Soeda, Shota Ikebe, Shigeaki Yamazaki, Masashi Ishikawa,