NDLI: Facile synthesis of Mn3[Co(CN)6]2·nH2O nanocrystals for high-performance electrochemical energy storage devices

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Inorganic Chemistry Frontiers Vol - 4 Issue - 2

Inorganic Chemistry Frontiers Vol - 4 Issue - 1

Inorganic Chemistry Frontiers Vol -3

Inorganic Chemistry Frontiers Vol -2

Inorganic Chemistry Frontiers Vol -1

Facile synthesis of Mn₃[Co(CN)₆]₂·nH₂O nanocrystals for high-performance electrochemical energy storage devices

Content Provider	Royal Society of Chemistry (RSC)
Author	Lai, Wen-Yong Qiu, Jiaqing Pang, Huan Huang, Wei Zhao, Mingming Zhao, Qunxing
Copyright Year	2017
Abstract	Recently, although great efforts have been committed to enhance the electrochemical performance of supercapacitors (SCs), these devices are still unable to meet our expectations on account of limited working voltage, insufficient cycle life, low mechanical flexibility, and high cost. In this work, we have successfully synthesized several Mn3[Co(CN)6]2·nH2O nanocrystals by a mild precipitation method at room temperature. These Mn3[Co(CN)6]2·nH2O nanocrystals, as a novel kind of positive electrode materials, are firstly applied in flexible solid-state electrochemical energy storage devices. The best one of the as-assembled devices based on the as-prepared Mn3[Co(CN)6]2·nH2O nanocrystals shows high electrochemical performance activity, which offers the highest volumetric energy density of 4.69 mW h cm−3 at 1.0 mA cm−2 and exhibits the largest power density of 177.1 mW cm−3 at 20.0 mA cm−2. Remarkably, the device displayed wonderful mechanical flexibility as the bending angle range from 0° to 180°. Moreover, the device demonstrated little capacitance change over 7000 cycles at 1.0 mA cm−2, and exhibited a great cycling stability with 96.1% capacitance retention.
Starting Page	442
Ending Page	449
Page Count	8
File Format	HTM / HTML PDF
ISSN	20521553
Volume Number	4
Issue Number	3
Journal	Inorganic Chemistry Frontiers
DOI	10.1039/c6qi00595k
Language	English
Publisher	Royal Society of Chemistry
Access Restriction	Open
Subject Keyword	Electrochemistry Electrode Energy density Capacitance
Content Type	Text
Resource Type	Article
Subject	Inorganic Chemistry

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