Hierarchically Structured Graphene Foam and its Potential as a Large-scale Strain-gauge Sensor

机译：分层结构石墨烯泡沫及其作为大型应变计传感器的潜力

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A hierarchically structured thermal-reduced graphene (ReG) foam with 0.5 S/cm electrical conductivity is fabricated from a well-dispersed graphene oxide suspension via a directional freezing method followed by high-temperature thermal treatment.The as-prePared three-dimensional ReG foam has an ordered macroporous honeycomb-like structure with straight and parallel voids in the range of 30 μm to 75 μm separated by cell walls several tens of nanometers thick.Despite its ultra-low density,the ReG foam has an excellent compression recovery along its in-plane direction.This property of the ReG foam can be attributed to its hierarchically porous structures,as demonstrated by the compression test.

机译：通过均匀冻结的氧化石墨烯悬浮液，通过定向冷冻方法并进行高温热处理，制备出具有0.5 S / cm电导率的分层结构的热还原石墨烯（ReG）泡沫。 ReG泡沫具有有序的大孔蜂窝状结构，具有介于30μm至75μm范围内的直且平行的空隙，被数十纳米厚的孔壁隔开。尽管其密度超低，但ReG泡沫沿其内部仍具有出色的压缩回复率ReG泡沫的这种特性可以归因于其分层多孔结构，如压缩试验所示。

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来源
《Proceedings of the Sixth Asia-Europe symposium on processing and properties of reinforced polymers》|2013年|209|共1页
会议地点 Wuhan(CN)
作者
J.Kuang;
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作者单位

National center for Nanoscience and technology, Chinese academy of science, Beijing 100190, China;

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会议组织
原文格式 PDF
正文语种 eng
中图分类高分子化学（高聚物）;
关键词
Reduced graphene; Mechanical properties; Strain-gauge sensor;

机译：石墨烯还原；机械性能应变片传感器;

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Hierarchically Structured Graphene Foam and its Potential as a Large-scale Strain-gauge Sensor

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