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首页> 外文会议>Internation Conference on Advanced Materials with Hierarchical Structure for New Technologies and Reliable Structures >Formation Regularities of AlOOH Hollow Spheres during Aluminum Nanopowder Water Oxidation
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Formation Regularities of AlOOH Hollow Spheres during Aluminum Nanopowder Water Oxidation

机译：铝纳米粉末水氧化过程中的ALOOH空心球的形成规律

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摘要

There described a novel environmentally friendly synthesis route of micro/nanostructured hollow spheres of AlOOH by oxidation of A1 nanopowder in pure water under mild processing conditions. The reaction kinetics of the aluminum nanopowder interaction with water was studied using the method of continuous recording of suspension pH and temperature. There observed the change in Al~(3+) concentration in the reaction medium and the rate of hydrogen release as well as TEM investigations of the intermediate reaction products at different stages of the process were performed. It is shown that AlOOH hollow spheres are formed through the aluminum core dissolution, Al~(3+)ion diffusion through the surface oxide film and AlOOH nanosheets formation on the surface of the precursor oxide film.
机译：在轻度加工条件下，通过纯水中的A1纳米粉末氧化AlOOH的微/纳米结构空心球的微/纳米结构空心球的新型环保合成途径。使用连续记录悬浮pH和温度的方法研究了铝纳米摩尔与水相互作用的反应动力学。观察到反应介质中的Al〜（3+）浓度的变化和氢释放速率以及在该方法的不同阶段进行中间反应产物的TEM调查。结果表明，通过铝芯溶解，Al〜（3+）离子扩散通过表面氧化物膜和在前体氧化膜的表面上形成的Al〜（3+）离子扩散形成。

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