کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
1290529 | 973328 | 2010 | 5 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Synthesis of LixMnO2 by chemical lithiation in an aqueous media
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
شیمی
الکتروشیمی
پیش نمایش صفحه اول مقاله

چکیده انگلیسی
LixMnO2 (x = 0.302) was synthesized by chemical lithiation, using a formaldehyde reducing agent and a LiOH lithium source in an aqueous media. The electrochemical properties and structural stability of the product were characterized by X-ray diffraction and charge–discharge measurements. The chemically lithiated LixMnO2 had a first charge and discharge capacity of 86.2 and 265 mAh/g, respectively, with good cycling behavior. Based on the electrochemical results of the first charge, a two-step mechanism of LixMnO2 lithiation is proposed. γ-MnO2 is first oxidized by formaldehyde, and then Li diffuses into the γ-MnO2 lattice.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Journal of Power Sources - Volume 195, Issue 10, 15 May 2010, Pages 3328–3332
Journal: Journal of Power Sources - Volume 195, Issue 10, 15 May 2010, Pages 3328–3332
نویسندگان
Won Il Jung, Miki Nagao, Cédric Pitteloud, Atsuo Yamada, Ryoji Kanno,