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Improvement of electrochemical properties of LiNi1/3Co1/3Mn1/3O2 by coating with V2O5 layer
http://hdl.handle.net/2241/118753
http://hdl.handle.net/2241/118753a63c42cf-9f96-4375-a6f2-97360cd49eef
名前 / ファイル | ライセンス | アクション |
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JAC_552_76.pdf (699.9 kB)
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Item type | Journal Article(1) | |||||
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公開日 | 2013-03-29 | |||||
タイトル | ||||||
タイトル | Improvement of electrochemical properties of LiNi1/3Co1/3Mn1/3O2 by coating with V2O5 layer | |||||
言語 | ||||||
言語 | eng | |||||
資源タイプ | ||||||
資源 | http://purl.org/coar/resource_type/c_6501 | |||||
タイプ | journal article | |||||
著者 |
Liu, Xizheng
× Liu, Xizheng× He, Ping× Li, Huiqiao× Ishida, Masayoshi× Zhou, Haoshen |
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著者別名 |
石田, 政義
× 石田, 政義 |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | The capacity fading and lower rate of layered cathode materials prohibited widely applications in lithium ion batteries. In this paper, V2O5 was coated on the surface of LiNi1/3Co1/3Mn1/3O2 to enhance its electrochemical performance at a voltage range of 2.8–4.5 V. The prepared materials were characterized by powder X-ray diffraction (XRD), scanning electron microscopy (SEM) and transmission electron microscope (TEM). The capacity retention at the 100th cycle have been increased from 62% to over 80% for the 3 wt.% V2O5 coated sample. The rate performance has been improved by V2O5 coating which mainly because of the coating layer enhance the surface electronic/ionic transport. Cyclic voltammetry (CV) showed that the redox properties of the pristine sample have a more obvirous changes after charge–discharge cycles compared with the coated samples. Electrochemical impedance spectroscopy (EIS) results suggest that the V2O5 coating layer play an important role in suppressing the increase of cell impedance with cycling especially for the increase of charge-transfer resistance (Rct). | |||||
書誌情報 |
Journal of alloys and compounds 巻 552, p. 76-82, 発行日 2012-03 |
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ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 0925-8388 | |||||
書誌レコードID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA10817249 | |||||
DOI | ||||||
識別子タイプ | DOI | |||||
関連識別子 | 10.1016/j.jallcom.2012.10.090 | |||||
権利 | ||||||
権利情報 | © 2012 Elsevier B.V. | |||||
権利 | ||||||
権利情報 | NOTICE: this is the author’s version of a work that was accepted for publication in Journal of alloys and compounds. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in PUBLICATION, VOL.552 (2012) DOI:10.1016/j.jallcom.2012.10.090 | |||||
著者版フラグ | ||||||
値 | author | |||||
出版者 | ||||||
出版者 | Elsevier B.V. | |||||
URI | ||||||
識別子 | http://hdl.handle.net/2241/118753 | |||||
識別子タイプ | HDL |