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Shape Memory-Enhanced Electrical Self-Healing of Stretchable Electrodes

Healable, Flexible Supercapacitors Based on Shape Memory Polymers

Faculty of Chemical Engineering and Light Industry, Guangdong University of Technology, 510006 Guangzhou, China
Author to whom correspondence should be addressed.
Appl. Sci. 2018, 8(10), 1732;
Received: 20 August 2018 / Revised: 12 September 2018 / Accepted: 18 September 2018 / Published: 25 September 2018
(This article belongs to the Special Issue Shape Memory Polymers)
Supercapacitors as novel and efficient energy storage devices could provide a higher power density and energy density compared to other electronics and devices. However, traditional supercapacitors are readily damaged, which leads to degraded performance or even failure. To make them more durable and efficient, healable flexible shape memory-based supercapacitors were unprecedentedly explored by a transfer process, in which the conductive nano-carbon networks were decorated with pseudocapacitance materials, followed by embedding them into a shape memory polymer matrix containing healing reagents. The composite exhibited flexibility, supercapacitance and self-healing capability originating from the shape memory effect and healing reagent. The morphologies, thermal, mechanical and capacitive properties, and the self-healability of the composite were investigated. In particular, the influence of the compositions on the healing efficiency was considered. The optimized composite exhibited good capacitance (27.33 mF cm−1), stability (only 4.08% capacitance loss after 1500 cycles) and healable property (up to 93% of the healing efficiency). The findings demonstrated how to endow the flexible polymeric electronics with healable bio-mimetic properties and may greatly benefit the application of intelligent polymers in the field of multi-functional electrical materials. View Full-Text
Keywords: healability; supercapacitors; shape memory; carbon nanotubes; flexibility healability; supercapacitors; shape memory; carbon nanotubes; flexibility
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MDPI and ACS Style

Zhou, H.; Luo, H.; Zhou, X.; Wang, H.; Yao, Y.; Lin, W.; Yi, G. Healable, Flexible Supercapacitors Based on Shape Memory Polymers. Appl. Sci. 2018, 8, 1732.

AMA Style

Zhou H, Luo H, Zhou X, Wang H, Yao Y, Lin W, Yi G. Healable, Flexible Supercapacitors Based on Shape Memory Polymers. Applied Sciences. 2018; 8(10):1732.

Chicago/Turabian Style

Zhou, Huankai, Hongsheng Luo, Xingdong Zhou, Huaquan Wang, Yangrong Yao, Wenjing Lin, and Guobin Yi. 2018. "Healable, Flexible Supercapacitors Based on Shape Memory Polymers" Applied Sciences 8, no. 10: 1732.

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