Electrode properties of double layer capacitor on nano-structured graphite by ball milling under hydrogen atmosphere
Carbon 44 巻 5 号
983-988 頁
2006-04 発行
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この文献の参照には次のURLをご利用ください : https://ir.lib.hiroshima-u.ac.jp/00020042
| ファイル情報(添付) | |
| タイトル ( eng ) |
Electrode properties of double layer capacitor on nano-structured graphite by ball milling under hydrogen atmosphere
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| 作成者 |
Gomibuchi Emi
Kimura Koichi
Isobe Shigehito
Nabeta Koji
Fujii Hironobu
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| 収録物名 |
Carbon
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| 巻 | 44 |
| 号 | 5 |
| 開始ページ | 983 |
| 終了ページ | 988 |
| 抄録 |
Nano-structural graphite prepared by ball milling under H2 or Ar atmosphere was studied as an electrode for electric double layer capacitors (EDLCs) by means of a conventional 2-electrode galvanostatic method. Especially, the product prepared under H2 atmosphere using zirconia balls revealed 500 m2g-1 surface area and showed 12 Fg-1 specific capacitance, which was comparable to that of an activated carbon with large specific surface area of 3000 m2g-1 examined as a reference. A proper condition of the milling time is rather a shorter time than ~8 h, where the graphitic feature is remained in the ball milled product. On the other hand, for the sample prepared by using steel balls, the specific capacitance per surface area was several hundreds times smaller than the others, indicating that the small amount of Fe contamination during milling played a negative role for the EDLC properties.
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| 著者キーワード |
graphite
activation
grinding
thermodynamic analysis
electrochemical properties
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| NDC分類 |
物理学 [ 420 ]
|
| 言語 |
英語
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| 資源タイプ | 学術雑誌論文 |
| 出版者 |
Elsevier B.V.
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| 発行日 | 2006-04 |
| 権利情報 |
Copyright (c) 2005 Elsevier B.V.
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| 出版タイプ | Author’s Original（十分な品質であるとして、著者から正式な査読に提出される版） |
| アクセス権 | オープンアクセス |
| 収録物識別子 |
[ISSN] 0008-6223
[DOI] 10.1016/j.carbon.2005.10.006
[NCID] AA00598943
[DOI] http://dx.doi.org/10.1016/j.carbon.2005.10.006
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