Electrochemistry
Online ISSN : 2186-2451
Print ISSN : 1344-3542
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77 巻 , 9 号
選択された号の論文の15件中1~15を表示しています
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  • Yasuo TAKEDA, Nobuyuki IMANISHI, Osamu YAMAMOTO
    77 巻 (2009) 9 号 p. 784-797
    公開日: 2012/03/22
    ジャーナル フリー
    In this review, our results of over ten years of research on the all-solid-state polymer electrolyte lithium secondary cell are introduced. The conductivity of polyethylene oxide (PEO)-based polymer electrolytes, which is the best candidate for polymer electrolyte lithium cells, and the interface resistance between PEO and the electrodes have been improved by the addition of BaTiO3. New composite anodes of Li2.6Co0.4N and metal oxides have been proposed for the polymer electrolyte cells. The composite anode has a high reversible capacity and a low irreversible capacity at the first cycle. A carbon anode for the polymer electrolyte lithium cell has also been developed and mesocarbon micro beads exhibit high electrochemical performance. 4-volt class all-solid-state polymer electrolyte cells with the PEO-Li(CF3SO2)2N-LiPF6-BaTiO3 electrolyte have been proposed that have good reversible charge-discharge performance.
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  • Koichi UI, Hirokazu SAKAI, Ken TAKEUCHI, Guo-ping LING, Nobuyuki KOURA
    77 巻 (2009) 9 号 p. 798-800
    公開日: 2012/03/22
    ジャーナル フリー
    The electrodeposition of the Nb3Sn alloy film from the Lewis basic NbCl5-SnCl2-EMIC melt (50 mol%<EMIC) was investigated. The relationship between melting point or glass transition point and molar fraction of NbCl5 was constructed for the NbCl5-EMIC system, which showed a melting point less than room temperature in the range of 10.0 mol%≤molar fraction of NbCl5≤33.3 mol%. From the results of the cyclic voltammograms, the possibility of electrodeposition of the Nb3Sn alloy film was suggested from the Lewis basic melt. The Nb3Sn alloy film was reproducibly obtained from the 19.2 mol% NbCl5–10.0 mol% SnCl2–70.8 mol% EMIC bath using a constant current pulse electrodeposition method at 0.1 A cm−2 with a pulse period of 10 ms, duty ratio of 0.20, and electricity of 50°C cm−2 at 130°C, although the existence of the metallic Sn simple substance and the Cu-Sn alloy in the film was confirmed by an XRD analysis.
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使える解析テクニック具体例で説明する電気化学測定法
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