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Microporous Carbon Nanoplates from Regenerated Silk Proteins for Supercapacitors
Author(s) -
Yun Young Soo,
Cho Se Youn,
Shim Jinyong,
Kim Byung Hoon,
Chang SungJin,
Baek Seung Jae,
Huh Yun Suk,
Tak Yongsug,
Park Yung Woo,
Park Sungjin,
Jin HyoungJoon
Publication year - 2013
Publication title -
advanced materials
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 10.707
H-Index - 527
eISSN - 1521-4095
pISSN - 0935-9648
DOI - 10.1002/adma.201204692
Subject(s) - supercapacitor , microporous material , materials science , fibroin , carbonization , heteroatom , carbon fibers , electrochemistry , nanotechnology , energy storage , electrolyte , polymer science , chemical engineering , silk , composite material , power (physics) , organic chemistry , electrode , chemistry , scanning electron microscope , ring (chemistry) , composite number , engineering , physics , quantum mechanics
Novel carbon‐based microporous nanoplates containing numerous heteroatoms (H‐CMNs) are fabricated from regenerated silk fibroin by the carbonization and activation of KOH. The H‐CMNs exhibit superior electrochemical performance, displaying a specific capacitance of 264 F/g in aqueous electrolytes, a specific energy of 133 Wh/kg, a specific power of 217 kW/kg, and a stable cycle life over 10000 cycles.
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