Hybrid Energy Storage of Ni(OH)2-coated N-doped Graphene Aerogel//N-doped Graphene Aerogel for the Replacement of NiCd and NiMH Batteries

Abstract Although Nickel–Cadmium (NiCd) and Nickel–metal hydride (NiMH) batteries have been widely used, their drawbacks including toxic Cd and expensive La alloy at the negative electrodes, low energy density (40–60 Wh/kg for NiCd and 140–300 Wh/L for NiMH), low power density (150 W/kg for NiCd and...

Descripción completa

Guardado en:

Detalles Bibliográficos
Autores principales:	Pichamon Sirisinudomkit, Pawin Iamprasertkun, Atiweena Krittayavathananon, Tanut Pettong, Peerapan Dittanet, Montree Sawangphruk
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2017
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/5a01d89063be47fe83146c1688506ccd
Etiquetas:	Agregar Etiqueta Sin Etiquetas, Sea el primero en etiquetar este registro!

id	oai:doaj.org-article:5a01d89063be47fe83146c1688506ccd
record_format	dspace
spelling	oai:doaj.org-article:5a01d89063be47fe83146c1688506ccd2021-12-02T15:05:58ZHybrid Energy Storage of Ni(OH)2-coated N-doped Graphene Aerogel//N-doped Graphene Aerogel for the Replacement of NiCd and NiMH Batteries10.1038/s41598-017-01191-82045-2322https://doaj.org/article/5a01d89063be47fe83146c1688506ccd2017-04-01T00:00:00Zhttps://doi.org/10.1038/s41598-017-01191-8https://doaj.org/toc/2045-2322Abstract Although Nickel–Cadmium (NiCd) and Nickel–metal hydride (NiMH) batteries have been widely used, their drawbacks including toxic Cd and expensive La alloy at the negative electrodes, low energy density (40–60 Wh/kg for NiCd and 140–300 Wh/L for NiMH), low power density (150 W/kg for NiCd and 1000 W/kg for NiMH), and low working potential (1.2 V) limit their applications. In this work, Cd and La alloy were replaced with N-doped reduced graphene oxide aerogel (N-rGOae) providing a hybrid energy storage (HES) having the battery and supercapacitor effects. The HES of Ni(OH)2-coated N-rGOae//N-rGOae provides 1.5 V, a specific energy of 146 Wh/kg, a maximum specific power of 7705 W/kg, and high capacity retention over 84.6% after 5000 cycles. The mass change at the positive electrode during charging/discharging is 8.5 µg cm−2 owing to the insertion/desertion of solvated OH− into the α-Ni(OH)2-coated N-rGOae. At the negative electrode, the mass change of the solvated K+, physically adsorbed/desorbed to the N-rGOae, is 7.5 μg cm−2. In situ X-ray absorption spectroscopy (XAS) shows highly reversible redox reaction of α-Ni(OH)2. The as-fabricated device without using toxic Cd and expensive La alloy has a potential as a candidate of NiCd and NiMH.Pichamon SirisinudomkitPawin IamprasertkunAtiweena KrittayavathananonTanut PettongPeerapan DittanetMontree SawangphrukNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 7, Iss 1, Pp 1-9 (2017)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Pichamon Sirisinudomkit Pawin Iamprasertkun Atiweena Krittayavathananon Tanut Pettong Peerapan Dittanet Montree Sawangphruk Hybrid Energy Storage of Ni(OH)2-coated N-doped Graphene Aerogel//N-doped Graphene Aerogel for the Replacement of NiCd and NiMH Batteries
description	Abstract Although Nickel–Cadmium (NiCd) and Nickel–metal hydride (NiMH) batteries have been widely used, their drawbacks including toxic Cd and expensive La alloy at the negative electrodes, low energy density (40–60 Wh/kg for NiCd and 140–300 Wh/L for NiMH), low power density (150 W/kg for NiCd and 1000 W/kg for NiMH), and low working potential (1.2 V) limit their applications. In this work, Cd and La alloy were replaced with N-doped reduced graphene oxide aerogel (N-rGOae) providing a hybrid energy storage (HES) having the battery and supercapacitor effects. The HES of Ni(OH)2-coated N-rGOae//N-rGOae provides 1.5 V, a specific energy of 146 Wh/kg, a maximum specific power of 7705 W/kg, and high capacity retention over 84.6% after 5000 cycles. The mass change at the positive electrode during charging/discharging is 8.5 µg cm−2 owing to the insertion/desertion of solvated OH− into the α-Ni(OH)2-coated N-rGOae. At the negative electrode, the mass change of the solvated K+, physically adsorbed/desorbed to the N-rGOae, is 7.5 μg cm−2. In situ X-ray absorption spectroscopy (XAS) shows highly reversible redox reaction of α-Ni(OH)2. The as-fabricated device without using toxic Cd and expensive La alloy has a potential as a candidate of NiCd and NiMH.
format	article
author	Pichamon Sirisinudomkit Pawin Iamprasertkun Atiweena Krittayavathananon Tanut Pettong Peerapan Dittanet Montree Sawangphruk
author_facet	Pichamon Sirisinudomkit Pawin Iamprasertkun Atiweena Krittayavathananon Tanut Pettong Peerapan Dittanet Montree Sawangphruk
author_sort	Pichamon Sirisinudomkit
title	Hybrid Energy Storage of Ni(OH)2-coated N-doped Graphene Aerogel//N-doped Graphene Aerogel for the Replacement of NiCd and NiMH Batteries
title_short	Hybrid Energy Storage of Ni(OH)2-coated N-doped Graphene Aerogel//N-doped Graphene Aerogel for the Replacement of NiCd and NiMH Batteries
title_full	Hybrid Energy Storage of Ni(OH)2-coated N-doped Graphene Aerogel//N-doped Graphene Aerogel for the Replacement of NiCd and NiMH Batteries
title_fullStr	Hybrid Energy Storage of Ni(OH)2-coated N-doped Graphene Aerogel//N-doped Graphene Aerogel for the Replacement of NiCd and NiMH Batteries
title_full_unstemmed	Hybrid Energy Storage of Ni(OH)2-coated N-doped Graphene Aerogel//N-doped Graphene Aerogel for the Replacement of NiCd and NiMH Batteries
title_sort	hybrid energy storage of ni(oh)2-coated n-doped graphene aerogel//n-doped graphene aerogel for the replacement of nicd and nimh batteries
publisher	Nature Portfolio
publishDate	2017
url	https://doaj.org/article/5a01d89063be47fe83146c1688506ccd
work_keys_str_mv	AT pichamonsirisinudomkit hybridenergystorageofnioh2coatedndopedgrapheneaerogelndopedgrapheneaerogelforthereplacementofnicdandnimhbatteries AT pawiniamprasertkun hybridenergystorageofnioh2coatedndopedgrapheneaerogelndopedgrapheneaerogelforthereplacementofnicdandnimhbatteries AT atiweenakrittayavathananon hybridenergystorageofnioh2coatedndopedgrapheneaerogelndopedgrapheneaerogelforthereplacementofnicdandnimhbatteries AT tanutpettong hybridenergystorageofnioh2coatedndopedgrapheneaerogelndopedgrapheneaerogelforthereplacementofnicdandnimhbatteries AT peerapandittanet hybridenergystorageofnioh2coatedndopedgrapheneaerogelndopedgrapheneaerogelforthereplacementofnicdandnimhbatteries AT montreesawangphruk hybridenergystorageofnioh2coatedndopedgrapheneaerogelndopedgrapheneaerogelforthereplacementofnicdandnimhbatteries
_version_	1718388645320196096

Hybrid Energy Storage of Ni(OH)2-coated N-doped Graphene Aerogel//N-doped Graphene Aerogel for the Replacement of NiCd and NiMH Batteries

Ejemplares similares