High Power In‐Plane Micro‐Supercapacitors Based on Mesoporous Polyaniline Patterned Graphene

High Power In‐Plane Micro‐Supercapacitors Based on Mesoporous Polyaniline Patterned Graphene

Micro‐supercapacitors (MSCs) based on mesoporous polyaniline patterned graphene are demonstrated. The synergic effect from both electron‐double‐layer‐capacitive graphene and pseudocapacitive mesoporous‐polyaniline leads to outstanding MSC device performances, in regard to excellent volumetric capaci...

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Veröffentlicht in:Small (Weinheim an der Bergstrasse, Germany) Germany), 2017-04, Vol.13 (14), p.np-n/a
Hauptverfasser: Liu, Zhaoyang, Liu, Shaohua, Dong, Renhao, Yang, Sheng, Lu, Hao, Narita, Akimitsu, Feng, Xinliang, Müllen, Klaus
Format: Artikel
Sprache:eng
Schlagworte:
Capacitance
Devices
electrochemically exfoliated graphene
Energy density
energy storage
Graphene
high power
mesoporous polyaniline
micro‐supercapacitors
Nanotechnology
Polyanilines
Portable equipment
Power supplies
Wearable
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Zusammenfassung:Micro‐supercapacitors (MSCs) based on mesoporous polyaniline patterned graphene are demonstrated. The synergic effect from both electron‐double‐layer‐capacitive graphene and pseudocapacitive mesoporous‐polyaniline leads to outstanding MSC device performances, in regard to excellent volumetric capacitance and rate capabilities, which further result in a high power density of 600 W cm−3, suggesting opportunities for future portable and wearable power supplies in diverse applications.
ISSN:1613-6810
1613-6829
DOI:10.1002/smll.201603388