کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
7724896 | 1497838 | 2018 | 10 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
The influence of sputter conditions on the properties of LiPON and its interfaces
ترجمه فارسی عنوان
تأثیر شرایط اسپری در خواص لیپون و رابط های آن
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کلمات کلیدی
اکسین نیترید فسفر لیتیوم، مقاومت رابط رسوب اسپکترومغناطیسی، باتری لیتیوم حالت جامد،
موضوعات مرتبط
مهندسی و علوم پایه
شیمی
الکتروشیمی
چکیده انگلیسی
The solid-state electrolyte LiPON is synthesized using reactive magnetron sputtering. The correlation between plasma conditions and chemical composition of the layers is studied by X-ray photo electron spectroscopy, accompanied by electrochemical measurements of the ionic conductivity of the films. It is found that the plasma conditions in the vicinity of the substrate affect the lithium and nitrogen contents in a reciprocal manner. The target sputter-age and an additional bias potential to the substrate are identified as important parameters to optimize the performance of the layers. Based on this information, bilayer samples are prepared, consisting of LiPON and a cathode of LiFePO4. Chronopotentiometry at these bilayers reveals the importance of a low interface resistance, and moreover, it identifies an insufficient lithium content at the LiPON/LiFePO4 interface as a reason for high interface resistance. Nitrogen is also essential to increase the conductivity and hence, a lack of nitrogen at the interface is suggested to have the same consequence. It is shown how the interface resistance can be controlled by the preparation conditions to achieve an optimized performance.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Journal of Power Sources - Volume 394, 1 August 2018, Pages 160-169
Journal: Journal of Power Sources - Volume 394, 1 August 2018, Pages 160-169
نویسندگان
Yaser Hamedi Jouybari, Frank Berkemeier, Andreas Schäfer, Guido Schmitz,