Co-Existence of Iron Oxide Nanoparticles and Manganese Oxide Nanorods as Decoration of Hollow Carbon Spheres for Boosting Electrochemical Performance of Li-Ion Battery

Here, we report that mesoporous hollow carbon spheres (HCS) can be simultaneously functionalized: (i) endohedrally by iron oxide nanoparticle and (ii) egzohedrally by manganese oxide nanorods (FexOy/MnO2/HCS). Detailed analysis rev...

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Autores principales:	Karolina Wenelska, Martyna Trukawka, Wojciech Kukulka, Xuecheng Chen, Ewa Mijowska
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	battery metal oxide nanoparticles carbon spheres Technology T Electrical engineering. Electronics. Nuclear engineering TK1-9971 Engineering (General). Civil engineering (General) TA1-2040 Microscopy QH201-278.5 Descriptive and experimental mechanics QC120-168.85
Acceso en línea:	https://doaj.org/article/f257163b435949ec97a09e1a5a26cbbe
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spelling	oai:doaj.org-article:f257163b435949ec97a09e1a5a26cbbe2021-11-25T18:14:35ZCo-Existence of Iron Oxide Nanoparticles and Manganese Oxide Nanorods as Decoration of Hollow Carbon Spheres for Boosting Electrochemical Performance of Li-Ion Battery10.3390/ma142269021996-1944https://doaj.org/article/f257163b435949ec97a09e1a5a26cbbe2021-11-01T00:00:00Zhttps://www.mdpi.com/1996-1944/14/22/6902https://doaj.org/toc/1996-1944Here, we report that mesoporous hollow carbon spheres (HCS) can be simultaneously functionalized: (i) endohedrally by iron oxide nanoparticle and (ii) egzohedrally by manganese oxide nanorods (Fe<sub>x</sub>O<sub>y</sub>/MnO<sub>2</sub>/HCS). Detailed analysis reveals a high degree of graphitization of HCS structures. The mesoporous nature of carbon is further confirmed by N<sub>2</sub> sorption/desorption and transmission electron microscopy (TEM) studies. The fabricated molecular heterostructure was tested as the anode material of a lithium-ion battery (LIB). For both metal oxides under study, their mixture stored in HCS yielded a significant increase in electrochemical performance. Its electrochemical response was compared to the HCS decorated with a single component of the respective metal oxide applied as a LIB electrode. The discharge capacity of Fe<sub>x</sub>O<sub>y</sub>/MnO<sub>2</sub>/HCS is 1091 mAhg<sup>−1</sup> at 5 Ag<sup>–1</sup>, and the corresponding coulombic efficiency (CE) is as high as 98%. Therefore, the addition of MnO<sub>2</sub> in the form of nanorods allows for boosting the nanocomposite electrochemical performance with respect to the spherical nanoparticles due to better reversible capacity and cycling performance. Thus, the structure has great potential application in the LIB field.Karolina WenelskaMartyna TrukawkaWojciech KukulkaXuecheng ChenEwa MijowskaMDPI AGarticlebatterymetal oxide nanoparticlescarbon spheresTechnologyTElectrical engineering. Electronics. Nuclear engineeringTK1-9971Engineering (General). Civil engineering (General)TA1-2040MicroscopyQH201-278.5Descriptive and experimental mechanicsQC120-168.85ENMaterials, Vol 14, Iss 6902, p 6902 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	battery metal oxide nanoparticles carbon spheres Technology T Electrical engineering. Electronics. Nuclear engineering TK1-9971 Engineering (General). Civil engineering (General) TA1-2040 Microscopy QH201-278.5 Descriptive and experimental mechanics QC120-168.85
spellingShingle	battery metal oxide nanoparticles carbon spheres Technology T Electrical engineering. Electronics. Nuclear engineering TK1-9971 Engineering (General). Civil engineering (General) TA1-2040 Microscopy QH201-278.5 Descriptive and experimental mechanics QC120-168.85 Karolina Wenelska Martyna Trukawka Wojciech Kukulka Xuecheng Chen Ewa Mijowska Co-Existence of Iron Oxide Nanoparticles and Manganese Oxide Nanorods as Decoration of Hollow Carbon Spheres for Boosting Electrochemical Performance of Li-Ion Battery
description	Here, we report that mesoporous hollow carbon spheres (HCS) can be simultaneously functionalized: (i) endohedrally by iron oxide nanoparticle and (ii) egzohedrally by manganese oxide nanorods (Fe<sub>x</sub>O<sub>y</sub>/MnO<sub>2</sub>/HCS). Detailed analysis reveals a high degree of graphitization of HCS structures. The mesoporous nature of carbon is further confirmed by N<sub>2</sub> sorption/desorption and transmission electron microscopy (TEM) studies. The fabricated molecular heterostructure was tested as the anode material of a lithium-ion battery (LIB). For both metal oxides under study, their mixture stored in HCS yielded a significant increase in electrochemical performance. Its electrochemical response was compared to the HCS decorated with a single component of the respective metal oxide applied as a LIB electrode. The discharge capacity of Fe<sub>x</sub>O<sub>y</sub>/MnO<sub>2</sub>/HCS is 1091 mAhg<sup>−1</sup> at 5 Ag<sup>–1</sup>, and the corresponding coulombic efficiency (CE) is as high as 98%. Therefore, the addition of MnO<sub>2</sub> in the form of nanorods allows for boosting the nanocomposite electrochemical performance with respect to the spherical nanoparticles due to better reversible capacity and cycling performance. Thus, the structure has great potential application in the LIB field.
format	article
author	Karolina Wenelska Martyna Trukawka Wojciech Kukulka Xuecheng Chen Ewa Mijowska
author_facet	Karolina Wenelska Martyna Trukawka Wojciech Kukulka Xuecheng Chen Ewa Mijowska
author_sort	Karolina Wenelska
title	Co-Existence of Iron Oxide Nanoparticles and Manganese Oxide Nanorods as Decoration of Hollow Carbon Spheres for Boosting Electrochemical Performance of Li-Ion Battery
title_short	Co-Existence of Iron Oxide Nanoparticles and Manganese Oxide Nanorods as Decoration of Hollow Carbon Spheres for Boosting Electrochemical Performance of Li-Ion Battery
title_full	Co-Existence of Iron Oxide Nanoparticles and Manganese Oxide Nanorods as Decoration of Hollow Carbon Spheres for Boosting Electrochemical Performance of Li-Ion Battery
title_fullStr	Co-Existence of Iron Oxide Nanoparticles and Manganese Oxide Nanorods as Decoration of Hollow Carbon Spheres for Boosting Electrochemical Performance of Li-Ion Battery
title_full_unstemmed	Co-Existence of Iron Oxide Nanoparticles and Manganese Oxide Nanorods as Decoration of Hollow Carbon Spheres for Boosting Electrochemical Performance of Li-Ion Battery
title_sort	co-existence of iron oxide nanoparticles and manganese oxide nanorods as decoration of hollow carbon spheres for boosting electrochemical performance of li-ion battery
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/f257163b435949ec97a09e1a5a26cbbe
work_keys_str_mv	AT karolinawenelska coexistenceofironoxidenanoparticlesandmanganeseoxidenanorodsasdecorationofhollowcarbonspheresforboostingelectrochemicalperformanceofliionbattery AT martynatrukawka coexistenceofironoxidenanoparticlesandmanganeseoxidenanorodsasdecorationofhollowcarbonspheresforboostingelectrochemicalperformanceofliionbattery AT wojciechkukulka coexistenceofironoxidenanoparticlesandmanganeseoxidenanorodsasdecorationofhollowcarbonspheresforboostingelectrochemicalperformanceofliionbattery AT xuechengchen coexistenceofironoxidenanoparticlesandmanganeseoxidenanorodsasdecorationofhollowcarbonspheresforboostingelectrochemicalperformanceofliionbattery AT ewamijowska coexistenceofironoxidenanoparticlesandmanganeseoxidenanorodsasdecorationofhollowcarbonspheresforboostingelectrochemicalperformanceofliionbattery
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Co-Existence of Iron Oxide Nanoparticles and Manganese Oxide Nanorods as Decoration of Hollow Carbon Spheres for Boosting Electrochemical Performance of Li-Ion Battery

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