Study reveals enhanced discharge performance and corrosion resistance in Mg-La-Zr alloy anodes, suggesting improved electrochemical efficiency.
The corrosion behavior and electrochemical performance of Mg-La-Zr and Mg-La alloys were studied. Microstructural observation indicated that the trace alloying of Zr refined the grain size of Mg-La alloy, which improved the discharge activity of Mg-La alloys. At the same time, the addition of Zr led to a transformation of the second-phase distribution from intracrystalline to grain boundary central distribution. This change inhibited the self-corrosion of the alloy during discharge and improved the anode utilization efficiency. Therefore, an air battery based on a Mg-La-Zr alloy anode with a unique microstructure demonstrated a high discharge performance. In this paper, the relationship between the microstructure and anodic properties of Mg-La-Zr alloy are systematically elucidated.
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Song et al. (2025) studied this question.
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