【摘 要】
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Main observation and conclusionrnWith the rapid development of the wearable electronics,the flexible supercapacitor with high energy density has attracted more and more attentions.From the viewpoint of outdoor and underwater application,this research trie
【机 构】
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School of Energy,Power and Mechanical Engineering,North China Electric Power University,Baoding,Hebe
论文部分内容阅读
Main observation and conclusionrnWith the rapid development of the wearable electronics,the flexible supercapacitor with high energy density has attracted more and more attentions.From the viewpoint of outdoor and underwater application,this research tried to impart the superhydrophobicity to the flexible supercapacitors.The polyvinyl alcohol/HNO3 hydrogel was utilized as the electrolyte,which could achieve self-healing ca-pability without the freezing/thawing process.Both microscale graphene and nanoscale carbon nanotubes were utilized as the elec-trode materials.After surface modification,the hydrophobic suspension composed of graphene and carbon nanotubes was sprayed onto the two sides of hydrogel electrolyte to construct superhydrophobic electrode.Hence,the superhydrophobicity endows the su-percapacitor with outstanding self-cleaning performance.The all-in-one structure endows the supercapacitor with improved capaci-tive ability,outstanding flexibility,good anti-abrasion property,and reliable self-healing capability.The combination of superhydro-phobicity and flexible energy storage might have a broad application for the outdoor and underwater wearable electronics applica-tions.
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