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首页> 外文期刊>中国有色金属学报（英文版） >Li-Sb-Mn复合氧化物在水溶液介质中的脱Li+/吸Li+性能
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Li-Sb-Mn复合氧化物在水溶液介质中的脱Li+/吸Li+性能

机译：Li-Sb-Mn复合氧化物在水溶液介质中的脱Li+/吸Li+性能

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摘要

由固相法合成了不同Sb/Mn摩尔比的系列Li-Sb-Mn复合氧化物,利用X射线衍射仪(XRD)、扫描电子显微镜(SEM)和原子吸收分光光度计(AAS)分别表征了其结构、形貌和锂离子脱出/吸附性能.XRD和SEM分析表明,Li-Sb-Mn复合氧化物随着Sb/Mn摩尔比从0.05提高到1.00,晶型由尖晶石型转变为正交相.Li+脱出/吸附实验表明,不同Sb/Mn配比的复合氧化物都可以作为锂无机吸附剂.其中,酸浸改型后的尖晶石锂锑锰复合氧化物(n( Sb )/n(Mn )=0.05)在含锂溶液中具有较高的锂离子吸附容量,达到33.23 mg/g.Sb/Mn摩尔比是决定该复合氧化物的结构和脱Li+/吸Li+性能的主要因素.%Series Li-Sb-Mn composite oxides with different Sb/Mn molar ratios were obtained by solid state reaction.Their structure,morphology and Li+ extraction/adsorption properties were characterized by X-ray diffractometry (XRD),scanning electron microscopy (SEM) and atomic absorption spectrophotometry (AAS),respectively.XRD and SEM analyses reveal that the crystal of the products transfers from spinel to orthorhombic phase with the increase of molar ratio of Sb to Mn from 0.05 to 1.00.The Li+ extraction and adsorption experiments for these Li-Sb-Mn composite oxides demonstrate that the composite oxides can all be used as lithium inorganic adsorbents.The acid treated spinel Li-Sb-Mn composite oxide with Sb/Mn molar ratio of 0.05 has a high Li+ adsorption capacity of 33.23 mg/g in lithium solution.The Sb/Mn molar ratio of these Li-Sb-Mn composite oxides should be a crucial factor in determining their structure and Li+ extraction and adsorption properties.
机译：由固相法合成了不同Sb/Mn摩尔比的系列Li-Sb-Mn复合氧化物,利用X射线衍射仪(XRD)、扫描电子显微镜(SEM)和原子吸收分光光度计(AAS)分别表征了其结构、形貌和锂离子脱出/吸附性能.XRD和SEM分析表明,Li-Sb-Mn复合氧化物随着Sb/Mn摩尔比从0.05提高到1.00,晶型由尖晶石型转变为正交相.Li+脱出/吸附实验表明,不同Sb/Mn配比的复合氧化物都可以作为锂无机吸附剂.其中,酸浸改型后的尖晶石锂锑锰复合氧化物(n( Sb )/n(Mn )=0.05)在含锂溶液中具有较高的锂离子吸附容量,达到33.23 mg/g.Sb/Mn摩尔比是决定该复合氧化物的结构和脱Li+/吸Li+性能的主要因素.%Series Li-Sb-Mn composite oxides with different Sb/Mn molar ratios were obtained by solid state reaction.Their structure,morphology and Li+ extraction/adsorption properties were characterized by X-ray diffractometry (XRD),scanning electron microscopy (SEM) and atomic absorption spectrophotometry (AAS),respectively.XRD and SEM analyses reveal that the crystal of the products transfers from spinel to orthorhombic phase with the increase of molar ratio of Sb to Mn from 0.05 to 1.00.The Li+ extraction and adsorption experiments for these Li-Sb-Mn composite oxides demonstrate that the composite oxides can all be used as lithium inorganic adsorbents.The acid treated spinel Li-Sb-Mn composite oxide with Sb/Mn molar ratio of 0.05 has a high Li+ adsorption capacity of 33.23 mg/g in lithium solution.The Sb/Mn molar ratio of these Li-Sb-Mn composite oxides should be a crucial factor in determining their structure and Li+ extraction and adsorption properties.

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