Sodium-Ion Insertion/Extraction Properties of Sn-Co Anodes and Na Pre-Doped Sn-Co Anodes

Y. Yui; Y. Ono; M. Hayashi; Y. Nemoto; K. Hayashi; K. Asakura; H. Kitabayashi

doi:10.1149/2.0141502jes

journal article·2015Open access

Sodium-Ion Insertion/Extraction Properties of Sn-Co Anodes and Na Pre-Doped Sn-Co Anodes

Y. Yui, Y. Ono, M. Hayashi, Y. Nemoto, K. Hayashi, K. Asakura, H. Kitabayashi

Journal of The Electrochemical Society· Volume 162· Issue 2

Publisher page Open full text

Source abstract

Abstract

The electrochemical properties of Sn-Co were investigated to show the correlation between the cycle performance and the binders of the electrode component materials. Sn-Co electrodes with polyacrylic acid (PAA) exhibited a better cycle property (about 300 mAh/g up to 30 cycles) than those with polyvinylidene difluoride (PVdF). This better cycle property with PAA was due to the slight change in the volume of the electrode that occurred during cycling as revealed by in-situ light microscopy. In addition, Na pre-doping in Sn-Co electrodes improved the average coulombic efficiency from 95.4% to 99.9% at 2-10 cycles.

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Research context

Energy storage

OpenAlex topics: Advancements in Battery Materials · Advanced battery technologies research · Extraction and Separation Processes

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

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