Highly stretchable carbon aerogels

Nature Communications
Fan GuoChao Gao

Abstract

Carbon aerogels demonstrate wide applications for their ultralow density, rich porosity, and multifunctionalities. Their compressive elasticity has been achieved by different carbons. However, reversibly high stretchability of neat carbon aerogels is still a great challenge owing to their extremely dilute brittle interconnections and poorly ductile cells. Here we report highly stretchable neat carbon aerogels with a retractable 200% elongation through hierarchical synergistic assembly. The hierarchical buckled structures and synergistic reinforcement between graphene and carbon nanotubes enable a temperature-invariable, recoverable stretching elasticity with small energy dissipation (~0.1, 100% strain) and high fatigue resistance more than 106 cycles. The ultralight carbon aerogels with both stretchability and compressibility were designed as strain sensors for logic identification of sophisticated shape conversions. Our methodology paves the way to highly stretchable carbon and neat inorganic materials with extensive applications in aerospace, smart robots, and wearable devices.

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Citations

Aug 18, 2018·Advanced Materials·Wangqiao ChenYongsheng Chen
Sep 27, 2018·Chemical Record : an Official Publication of the Chemical Society of Japan ... [et Al.]·Jiarui TianWeizhong Qian
Sep 3, 2019·Small·Jing YangWei Liu
Jan 9, 2020·Research : a Science Partner Journal·Kirthika Senthil KumarHongliang Ren
Feb 2, 2021·Chemical Society Reviews·Junzong FengTawfique Hasan
Jan 28, 2021·Langmuir : the ACS Journal of Surfaces and Colloids·Jianming YangAi Du
Feb 16, 2021·ACS Applied Materials & Interfaces·Yuejiao WangYang Lu
Jun 14, 2018·ACS Applied Materials & Interfaces·Peiran WeiEmily B Pentzer
Mar 19, 2020·ACS Nano·Yancong QiaoTian-Ling Ren
Apr 5, 2019·ACS Applied Materials & Interfaces·Gui-Wen HuangHong-Mei Xiao
Oct 3, 2019·ACS Applied Materials & Interfaces·Ning-Ning WangGuan-Heng Yeoh

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Methods Mentioned

BETA
thermal treatments
optical microscopy

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