Effect of Cation Mixing on Utility of Iron in Iron/Carbon Nano-Fiber Composite Electrode

Egashira, Makoto

doi:10.5796/electrochemistry.83.354

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2015

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“…Alternative results from the author indicate similar improvement of iron utilization by the coexistence of Fe 2+ in the sol-gel prepared Fe(OH) x /CNF composites. 23 A schematic model to explain the effect of connection between iron species on the composite via enhancement of the propagation of intermediate Fe 2+ species is proposed as shown in Fig. 6.…”

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confidence: 99%

Factors Influencing Iron utilization of Iron Compound/Carbon Nanofiber Composite Electrode

Egashira

2015

Electrochemistry

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A comparative study of composite electrodes consisting of nanoparticles of iron compounds with fibrous nanocarbon in alkaline electrolyte was conducted to ascertain the morphological or composition factors that can increase the iron capacity. The preparation method and the iron content of a composite electrode affect the capacity per unit of iron mass. Particularly by increasing the iron content using a solution process, the capacity can be increased considerably up to ca. 460 mAh (g Fe) −1 for an Fe(OH) x /carbon composite. Such improved iron utilization in these composites suggests a catalytic effect of some intermediate species. Addition of a model candidate of an intermediate species, FeOOH, even of only 3 wt%, can improve the iron utilization in a Fe(OH) x /carbon composite.

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confidence: 99%

Factors Influencing Iron utilization of Iron Compound/Carbon Nanofiber Composite Electrode

Egashira

2015

Electrochemistry

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Effect of Cation Mixing on Utility of Iron in Iron/Carbon Nano-Fiber Composite Electrode

Abstract: ABSTRACT. In contrast, the doping of Ni 2+ in the composite reduces the iron utility.

Cited by 1 publication

References 15 publications

Factors Influencing Iron utilization of Iron Compound/Carbon Nanofiber Composite Electrode

Factors Influencing Iron utilization of Iron Compound/Carbon Nanofiber Composite Electrode

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