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首页> 外文期刊>Journal of power sources >The Na_(0.60)CoO_2 phase, a potential conductive additive for the positive electrode of Ni-MH cells
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The Na_(0.60)CoO_2 phase, a potential conductive additive for the positive electrode of Ni-MH cells

机译：Na_（0.60）CoO_2相，Ni-MH电池正极的潜在导电添加剂

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摘要

The Na_(0.60)CoO_2 phase, obtained by a classical solid-state reaction, is tested as a conductive additive in the nickel oxide electrode. Though the process was not optimised in terms of additive repartition, the experiments show a good efficiency of the Na_(0.60)CoO_2 phase even at low cobalt content, compared to usual additives like CoO. Moreover, it increases the stability of the electrode at low potential. The added Na_(0.60)CoO_2 phase is shown to transform, during the first cycles, into a gamma-type cobalt oxyhydroxide phase that is more stable at low potential than the usual additives.
机译：通过经典的固态反应获得的Na_（0.60）CoO_2相作为氧化镍电极中的导电添加剂进行了测试。尽管该工艺并未在添加剂分配方面进行优化，但与常规添加剂（如CoO）相比，即使在低钴含量下，实验也显示出Na_（0.60）CoO_2相的良好效率。此外，它增加了低电位下电极的稳定性。已显示添加的Na_（0.60）CoO_2相在第一个循环中转变为伽马型羟基氧化钴相，该相在低电势下比常规添加剂更稳定。

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