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Toward a Biocompatible and Degradable Battery Using a Mg-Zn-Zr Alloy with beta-Tricalcium Phosphate Nanocoating as Anode

机译:使用Mg-Zn-Zr合金朝向生物相容性和可降解的电池,与β-磷酸钙纳米核作为阳极

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摘要

A biocompatible beta-tricaleium phosphate (beta-TCP) nanorod coating on Mg-3 wt.%Zn-0.8 wt.%Zr alloy (MZZ) was fabricated by a chemical solution process. The microstructure and corrosion resistance of beta-TCP coating on MZZ were studied using scanning electron microscopy, x-ray diffraction, and potentio-dynamic polarization. beta-TCP-MZZ was used as the anode for Mg battery with simulated body fluid directly acting as the electrolyte. The experimental results indicate that the beta-TCP nanorod coating formed on the surface of MZZ alloy protects the matrix and improves the corrosion resistance of MZZ alloy. The Mg battery showed a voltage of 1.05 V for up to 75 days and continued to discharge for 90 days until 0.7 V at 100 mu A/cm(2). This indicates potential practical importance of biodegradable batteries.
机译:Mg-3重量%的生物相容性β-三丙酸酯(β-TCP)纳米棒涂层。%Zn-0.8wt。通过化学溶液方法制备%Zr合金(MZZ)。 使用扫描电子显微镜,X射线衍射和电极动态极化研究了β-TCP涂层的微观结构和耐腐蚀性。 使用β-TCP-MZZ作为Mg电池的阳极,其具有直接用作电解质的模拟体液。 实验结果表明,在Mzz合金表面上形成的β-TCP纳米棒涂层保护基质并提高了MZZ合金的耐腐蚀性。 Mg电池显示电压为1.05 V,最多75天,并继续排出90天,直至100μmA/ cm(2)。 这表明可生物降解电池的潜在实际重要性。

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