鉛蓄電池における負極の異常成長と充放電特性に及ぼすリグニンの影響 Influence of Lignin on Anomalous Growth of Negative Electrode and Charge-discharge Property of Lead-acid Battery

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Our study of the influence of different lignins on the anomalous growth of metallic Pb on negative electrodes in lead-acid batteries showed that the cell voltage during charging is increased by adding lignin to the electrolyte, while growth is suppressed The higher the cell voltage, the lower the x-ray intensity ratio of Pb(111)/PbSO<sub>4</sub>(211) for the negative electrode This makes the cell voltage during charging a useful criterion of lignin quality for suppressing the anomalous growth of metallic Pb Partially desulfonized lignin (PD-lignin) suppresses growth more effectively than standard lignin The arrangement of functional groups such as carboxyl and alcoholic hydroxide is more important to the effect than molecular weight During charging, lignin obstructs the movement of Pb<sup>2+</sup> ions to the site where charge-transfer is progressing We deduced from a rotating ring-disk experiment that lignin suppresses the onset of the solid-state reaction in favor of dissolution-precipitation during discharge

収録刊行物

  • 表面技術 = The Journal of the Surface Finishing Society of Japan

    表面技術 = The Journal of the Surface Finishing Society of Japan 50(2), 196-201, 1999-02-01

    The Surface Finishing Society of Japan

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各種コード

  • NII論文ID(NAID)
    10002111883
  • NII書誌ID(NCID)
    AN1005202X
  • 本文言語コード
    JPN
  • 資料種別
    ART
  • ISSN
    09151869
  • NDL 記事登録ID
    4658139
  • NDL 雑誌分類
    ZP41(科学技術--金属工学・鉱山工学)
  • NDL 請求記号
    Z17-291
  • データ提供元
    CJP書誌  NDL  J-STAGE 
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