| 颗粒细化过程中Si粉的微观结构变化对其在KOH水溶液中制氢性能的影响 |
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| 引用本文： | 廖健,吴朝玲,陈云贵,钟爽,廖虔诚,崔立尧.颗粒细化过程中Si粉的微观结构变化对其在KOH水溶液中制氢性能的影响[J].无机化学学报,2018,34(8):1555-1565. |
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| 作者姓名： | 廖健 吴朝玲 陈云贵 钟爽 廖虔诚 崔立尧 |
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| 作者单位： | 四川大学材料科学与工程学院新能源系, 成都 610064,四川大学材料科学与工程学院新能源系, 成都 610064,四川大学材料科学与工程学院新能源系, 成都 610064,四川大学材料科学与工程学院新能源系, 成都 610064,四川大学材料科学与工程学院新能源系, 成都 610064,四川大学材料科学与工程学院新能源系, 成都 610064 |
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| 摘 要： | 研究了高能球磨对Si粉微观结构和水解制氢性能的影响。球磨过程中，颗粒尺寸不断减小，非晶转变发生，晶界、内应力、位错以及晶格变形等微观缺陷不断增加，有利于提高Si粉的制氢性能；但随着球磨时间的延长，颗粒团聚趋于严重，粉末氧化不断加剧，降低了Si粉的制氢性能。当球磨时间为1 h，Si粉具有最优的制氢性能，70℃水解时其放氢量为1 484.2 mL·gSi-1，但由于水解副产物SiO2包覆在Si表面导致其转化率为94%，无法继续完全水解。
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| 关 键 词： | 制氢 水解 颗粒细化 Si-H2O反应 |
| 收稿时间： | 2018/3/14 0:00:00 |
| 修稿时间： | 2018/4/27 0:00:00 |
Effect on Hydrogen Generation of Microstructures of Refined Si Powders in KOH Aqueous Solution |
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| LIAO Jian,WU Chao-Ling,CHEN Yun-Gui,ZHONG Shuang,LIAO Qian-Cheng and CUI Li-Yao.Effect on Hydrogen Generation of Microstructures of Refined Si Powders in KOH Aqueous Solution[J].Chinese Journal of Inorganic Chemistry,2018,34(8):1555-1565. |
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| Authors: | LIAO Jian WU Chao-Ling CHEN Yun-Gui ZHONG Shuang LIAO Qian-Cheng and CUI Li-Yao |
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| Institution: | Department of Advanced Energy Materials, College of Materials Science and Engineering, Sichuan University, Chengdu 610064, China,Department of Advanced Energy Materials, College of Materials Science and Engineering, Sichuan University, Chengdu 610064, China,Department of Advanced Energy Materials, College of Materials Science and Engineering, Sichuan University, Chengdu 610064, China,Department of Advanced Energy Materials, College of Materials Science and Engineering, Sichuan University, Chengdu 610064, China,Department of Advanced Energy Materials, College of Materials Science and Engineering, Sichuan University, Chengdu 610064, China and Department of Advanced Energy Materials, College of Materials Science and Engineering, Sichuan University, Chengdu 610064, China |
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| Abstract: | |
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| Keywords: | hydrogen production hydrolysis powder refinement silicon-water reaction |
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