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arXiv 2008.02220physics.chem-phcond-mat.mtrl-sci
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纳米爆炸

Nano Explosions

Sascha Vongehr

摘要:

在纳米尺度上,表面现象,如吸引力VdW力强烈占主导地位;爆炸可能被认为是不可能的。我们确认纳米爆炸是重要的分形(层次,规模不变)孔结构,大大增加了孔访问。仅分析显微镜图像,图像分析和统计误差减少算法本身就提供了爆炸喷出物质的确凿证据。结果再次证实,计算机图像识别和统计分析是一种广泛适用的和廉价的技术,用于确定参数,否则是不可用的,如单个纳米形状的密度。爆炸机理解释了氢氧化钴的最佳煅烧温度以及为什么缓慢加热可以优化孔隙率。缓慢加热使这种超级电容器材料的可接触表面积增加了60%。

英文摘要:

At the nano-scale, surface phenomena such as attractive VdW forces strongly dominate; explosions may well be thought impossible. We confirm nano explosions that are important for a fractal (hierarchical, scale invariant) pore structure, greatly increasing pore access. Analyzing only microscope images, image analysis and statistical error reduction algorithms alone provide conclusive evidence of explosively expelled material. The results reconfirm that computer image recognition and statistical analysis are a widely applicable and inexpensive technique for determining parameters which are otherwise unavailable, such as the densities of single nano shapes. The explosion mechanism explains optimum calcination temperatures for cobalt-hydroxide and why slow heating optimizes porosity. Slow heating increases the accessible surface area by 60% with this supercapacitor material.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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