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Article: NiO-bridged MnCo-hydroxides for flexible high-performance fiber-shaped energy storage device

TitleNiO-bridged MnCo-hydroxides for flexible high-performance fiber-shaped energy storage device
Authors
KeywordsFiber supercapacitor
Flexible
MnCo-LDH
Nickel wire
NiO
Issue Date2019
Citation
Applied Surface Science, 2019, v. 475, p. 1058-1064 How to Cite?
AbstractFlexible fiber-shaped supercapacitors (FFSSs) hold promising prospect to meet the increasingly high requirements of the wearable electronics. However, today it remains a great challenge to construct advanced supercapacitor with high areal capacity and favorable rate capability to achieve superior energy density in facile route is a great challenge. Herein, we directly used the low-cost nickel wire as the fiber substrate to in-situ grow compacted NiO buffer layer capable of strongly grafting the outer MnCo-Layered double hydroxide (MnCo-LDH) with high electrochemical reversibility. Compared to MnCo-LDH directly growing on nickel fiber in the absence of NiO, the NiO@MnCo-LDH exhibited 210% enhancement in areal capacity (165.6 mC cm −2 /368.1 mF cm −2 at 0.5 mA cm −2 ) and ultrahigh rate capability (85% retention at 20 mA cm −2 ), as synthesized NiO buffer not only served as “nano glue” to strongly immobilize the active materials on the metal substrate but also positively supplied extra capacitance. Thusly, the assembled hybrid/asymmetric fiber device presented a high energy density of 0.0198 mWh cm −2 at a power density of 0.38 mW cm −2 to drive a digital watch, demonstrating its promising potential application in electronic devices. This rational design sheds light on the synthesis of nickel fiber-based supercapacitor with high energy delivery.
Persistent Identifierhttp://hdl.handle.net/10722/326175
ISSN
2023 Impact Factor: 6.3
2023 SCImago Journal Rankings: 1.210
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorGao, Libo-
dc.contributor.authorFan, Rong-
dc.contributor.authorXiao, Ran-
dc.contributor.authorCao, Ke-
dc.contributor.authorLi, Peifeng-
dc.contributor.authorWang, Weidong-
dc.contributor.authorLu, Yang-
dc.date.accessioned2023-03-09T09:58:34Z-
dc.date.available2023-03-09T09:58:34Z-
dc.date.issued2019-
dc.identifier.citationApplied Surface Science, 2019, v. 475, p. 1058-1064-
dc.identifier.issn0169-4332-
dc.identifier.urihttp://hdl.handle.net/10722/326175-
dc.description.abstractFlexible fiber-shaped supercapacitors (FFSSs) hold promising prospect to meet the increasingly high requirements of the wearable electronics. However, today it remains a great challenge to construct advanced supercapacitor with high areal capacity and favorable rate capability to achieve superior energy density in facile route is a great challenge. Herein, we directly used the low-cost nickel wire as the fiber substrate to in-situ grow compacted NiO buffer layer capable of strongly grafting the outer MnCo-Layered double hydroxide (MnCo-LDH) with high electrochemical reversibility. Compared to MnCo-LDH directly growing on nickel fiber in the absence of NiO, the NiO@MnCo-LDH exhibited 210% enhancement in areal capacity (165.6 mC cm −2 /368.1 mF cm −2 at 0.5 mA cm −2 ) and ultrahigh rate capability (85% retention at 20 mA cm −2 ), as synthesized NiO buffer not only served as “nano glue” to strongly immobilize the active materials on the metal substrate but also positively supplied extra capacitance. Thusly, the assembled hybrid/asymmetric fiber device presented a high energy density of 0.0198 mWh cm −2 at a power density of 0.38 mW cm −2 to drive a digital watch, demonstrating its promising potential application in electronic devices. This rational design sheds light on the synthesis of nickel fiber-based supercapacitor with high energy delivery.-
dc.languageeng-
dc.relation.ispartofApplied Surface Science-
dc.subjectFiber supercapacitor-
dc.subjectFlexible-
dc.subjectMnCo-LDH-
dc.subjectNickel wire-
dc.subjectNiO-
dc.titleNiO-bridged MnCo-hydroxides for flexible high-performance fiber-shaped energy storage device-
dc.typeArticle-
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1016/j.apsusc.2019.01.012-
dc.identifier.scopuseid_2-s2.0-85060242369-
dc.identifier.volume475-
dc.identifier.spage1058-
dc.identifier.epage1064-
dc.identifier.isiWOS:000458482100127-

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