过期藻酸双酯钠药片的电化学储钠/锂性能
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摘要
为了开发过期藻酸双酯钠药片中的非医疗价值,首先采用扫描电子显微镜、能量色散X射线光谱仪及Fourier红外光谱仪研究了其微观形貌、元素组成及结构,然后进一步利用恒流充/放电与循环伏安技术研究了其电化学储钠/锂性能。结果表明:虽然藻酸双酯钠药片已经过期3年,但其主要成分和结构并未发生明显变化;在50 mA/g循环充/放电时,藻酸双酯钠负极材料在钠离子电池和锂离子电池中的首次放电比容量分别为126.6和282.3 mA?h/g,可逆放电比容量分别为95.7和158.5 mA?h/g,表现了良好的电化学储钠/锂性能及作为钠/锂离子电池负极活性材料的可行性。
In order to exploit the non-medical values of expired propylene glycol alginate sodium sulfate, its morphology, element component and microstructure were firstly characterized by scanning electron microscopy, energy dispersive X-ray spectroscopy and Fourier transform infrared spectroscopy. The corresponding electrochemical Na/Li-storage performance was also investigated by galvanostatic charge/discharge and cyclic voltammetry. The results show that little structural change occurs although propylene glycol alginate sodium sulfate has expired for 3 years. The initial specific capacities of expired propylene glycol alginate sodium sulfate anode in sodium/lithium ion batteries are 126.6 and 282.3 m A?h/g when cycling at 50 m A/g, and the corresponding reversible specific capacities are 95.7 and 158.5 m A?h/g at 50 m A/g, respectively, indicating the optimum Na/Li-storage performances and a high feasibility in sodium/lithium ion batteries.
In order to exploit the non-medical values of expired propylene glycol alginate sodium sulfate, its morphology, element component and microstructure were firstly characterized by scanning electron microscopy, energy dispersive X-ray spectroscopy and Fourier transform infrared spectroscopy. The corresponding electrochemical Na/Li-storage performance was also investigated by galvanostatic charge/discharge and cyclic voltammetry. The results show that little structural change occurs although propylene glycol alginate sodium sulfate has expired for 3 years. The initial specific capacities of expired propylene glycol alginate sodium sulfate anode in sodium/lithium ion batteries are 126.6 and 282.3 m A?h/g when cycling at 50 m A/g, and the corresponding reversible specific capacities are 95.7 and 158.5 m A?h/g at 50 m A/g, respectively, indicating the optimum Na/Li-storage performances and a high feasibility in sodium/lithium ion batteries.
引文
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[4]GEETHAMANI P,KASTHURI P K.The inhibitory action of expired asthalin drug on the corrosion of mild steel in acidic media:Acomparative study[J].J Taiwan Inst Chem Eng,2016,63:490-499.
[5]FOUDA A S,MORSI M A E,MOGY T E.Studies on the inhibition of carbon steel corrosion in hydrochloric acid solution by expired Carvedilol drug[J].Green Chem Lett Rev,2017,10(4):336-345.
[6]YU C,HOU H,LIU X,et al.Old-loofah-derived hard carbon for long cyclicity anode in sodium ion battery[J].Int J Hydrogen Energy,2018,43(6):3253-3260.
[7]WANG Q,XU J,ZHANG W,et al.Research progress on vanadium-based cathode materials for sodium ion batteries[J].J Mater Chem A,2018,6(19):8815-8838.
[8]LEE M,HONG J,LOPEZ J,et al.High-performance sodium-organic battery by realizing four-sodium storage in disodium rhodizonate[J].Nat Energy,2017,2(11):861-868.
[9]LIAO Q,HOU H,DUAN J,et al.Composite sodium p-toluenesulfonate/polypyrrole/TiO2 nanotubers/Ti anode for sodium ion battery[J].Int J Hydrogen Energy,2017,42(17):12414-12419.
[10]PARK Y,SHIN D S,WOO S H,et al.Sodium terephthalate as an organic anode material for sodium ion batteries[J].Adv Mater,2012,24(26):3562-3567.
[11]魏湫龙,蒋周阳,谭双双,等.钒氧化物纳米材料在钠离子电池中的应用[J].硅酸盐学报,2016,44(5):693-706.WEI Qiulong,JIANG Zhouyang,TAN Shuangshuang,et al.J Chin Ceram Soc,2016,44(5):693-706.
[12]SCHON T B,MCALLISTER B T,LI P F,et al.The rise of organic electrode materials for energy storage[J].Chem Soc Rev,2016,45:6345-6404.
[13]潘都,戚兴国,刘丽露,等.钠离子电池正负极材料研究新进展[J].硅酸盐学报,2018,46(4):479-498.PAN Du,QI Xingguo,LIU Lilu,et al.J Chin Ceram Soc,2018,46(4):479-498.
[14]LI P,LI C,XUE Y,et al.Preparation,characterization and pharmacokinetics of fluorescence labeled propylene glycol alginate sodium sulfate[J].J Ocean Univ China,2014,13(4):683-690.
[15]HOU H,DAI Z,LIU X,et al.Reutilization of the expired tetracycline for lithium ion battery anode[J].Sci Total Environ,2018,630:495-501.
[16]杜国勇,张洪铭,李艳,等.硅酸镁的改性及其对稠油污水中有机物的吸附[J].功能材料,2017,48(6):6013-6017.DU Guoyong,ZHANG Hongming,LI Yan,et al.J Funct Mater(in Chinese),2017,48(6):6013-6017.
[17]ZHANG S,HUANG W,HU P.et al.Conjugated microporous polymers with excellent electrochemical performance for lithium and sodium storage[J].J Mater Chem A,2014,3(3):1896-1901.