کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
5150506 | 1498242 | 2017 | 5 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
A facile strategy to improve the electrochemical stability of a lithium ion conducting Li10GeP2S12 solid electrolyte
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
شیمی
الکتروشیمی
پیش نمایش صفحه اول مقاله
چکیده انگلیسی
A super solid electrolyte of Ba-substituted Li10GeP2S12 is designed and fabricated to achieve high electrochemical stability. Among the Ba-substituted Li10GeP2S12 solid electrolytes, the composition of Li9.4Ba0.3GeP2S12 exhibits the highest ionic conductivity of 7.04 Ã 10â 4 S cmâ 1 with an activation energy of 28.27 kJ molâ 1 at 25 °C. The electrochemical window of Li9.4Ba0.3GeP2S12 is between 0 and 6 V (vs. Li), which is higher than the typical 5 V window of Li10GeP2S12. As compared with Li10GeP2S12, Li9.4Ba0.3GeP2S12 demonstrates a significantly reduced polarization and a better cycle stability though its ionic conductivity is slightly lower than that of the former. The electrochemical stability of Ba-substituted Li10GeP2S12 can be attributed to the structural stability resulting from the stable interaction between Ba2 + and S2 â in the structure.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Solid State Ionics - Volume 301, March 2017, Pages 59-63
Journal: Solid State Ionics - Volume 301, March 2017, Pages 59-63
نویسندگان
Yan Sun, Wenning Yan, Li An, Bingbin Wu, Kaifu Zhong, Ruizhi Yang,