Doped Silicon Nanowires for Lithium Ion Battery Anodes

Nanostructured silicon (Si) has showed outstanding results as Li-ion battery anode material. Fabrication of nanostructured silicon anode materials is usually very complex, time consuming and expensive. In this work, silicon nanowires (SiNW`s) were produced by using rapid and uncostly metal catalyzed...

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Main Authors: Omer Salihoglu, Yasser El Kahlout
Format: Article
Language:English
Published: Associação Brasileira de Metalurgia e Materiais (ABM); Associação Brasileira de Cerâmica (ABC); Associação Brasileira de Polímeros (ABPol) 2019-01-01
Series:Materials Research
Subjects:
Online Access:http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-14392019000200209&tlng=en
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author Omer Salihoglu
Yasser El Kahlout
author_facet Omer Salihoglu
Yasser El Kahlout
author_sort Omer Salihoglu
collection DOAJ
description Nanostructured silicon (Si) has showed outstanding results as Li-ion battery anode material. Fabrication of nanostructured silicon anode materials is usually very complex, time consuming and expensive. In this work, silicon nanowires (SiNW`s) were produced by using rapid and uncostly metal catalyzed electroless etching (MCEE) method from various silicon wafers with different dopant atoms and concentrations. We have investigated the effect of doping level on capacities and cycle stability. Highly doped silicon nanowires produced better results than lightly doped silicon nanowires due to their highly conductive and highly porous nature. Arsenic doped silicon nanowire anode electrodes have reached a capacity of 3635 mAh/g for the first lithiation and maximum 25% charge capacity loss after the 15th cycle. Owing to their small size and porosity this highly doped silicon nanowires showed very high performance and cycle retention as a lithium ion battery anode material.
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spelling doaj.art-6d3ded6453324c5e9874343b02f9f2cd2022-12-21T19:21:44ZengAssociação Brasileira de Metalurgia e Materiais (ABM); Associação Brasileira de Cerâmica (ABC); Associação Brasileira de Polímeros (ABPol)Materials Research1516-14392019-01-0122210.1590/1980-5373-mr-2018-0303Doped Silicon Nanowires for Lithium Ion Battery AnodesOmer Salihogluhttps://orcid.org/0000-0002-0072-6245Yasser El KahloutNanostructured silicon (Si) has showed outstanding results as Li-ion battery anode material. Fabrication of nanostructured silicon anode materials is usually very complex, time consuming and expensive. In this work, silicon nanowires (SiNW`s) were produced by using rapid and uncostly metal catalyzed electroless etching (MCEE) method from various silicon wafers with different dopant atoms and concentrations. We have investigated the effect of doping level on capacities and cycle stability. Highly doped silicon nanowires produced better results than lightly doped silicon nanowires due to their highly conductive and highly porous nature. Arsenic doped silicon nanowire anode electrodes have reached a capacity of 3635 mAh/g for the first lithiation and maximum 25% charge capacity loss after the 15th cycle. Owing to their small size and porosity this highly doped silicon nanowires showed very high performance and cycle retention as a lithium ion battery anode material.http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-14392019000200209&tlng=ensilicon nanowireSiNWanode materiallithium ionLi-IonMCEE
spellingShingle Omer Salihoglu
Yasser El Kahlout
Doped Silicon Nanowires for Lithium Ion Battery Anodes
Materials Research
silicon nanowire
SiNW
anode material
lithium ion
Li-Ion
MCEE
title Doped Silicon Nanowires for Lithium Ion Battery Anodes
title_full Doped Silicon Nanowires for Lithium Ion Battery Anodes
title_fullStr Doped Silicon Nanowires for Lithium Ion Battery Anodes
title_full_unstemmed Doped Silicon Nanowires for Lithium Ion Battery Anodes
title_short Doped Silicon Nanowires for Lithium Ion Battery Anodes
title_sort doped silicon nanowires for lithium ion battery anodes
topic silicon nanowire
SiNW
anode material
lithium ion
Li-Ion
MCEE
url http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-14392019000200209&tlng=en
work_keys_str_mv AT omersalihoglu dopedsiliconnanowiresforlithiumionbatteryanodes
AT yasserelkahlout dopedsiliconnanowiresforlithiumionbatteryanodes