Amorphous silicon dioxide as an anode material for li-ion batteries

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dc.contributor.authorAskaruly, Kydyr
dc.contributor.authorAzat, Seitkhan
dc.contributor.authorUlan, Zhantikeyev
dc.contributor.authorYeleuov, Mukhtar
dc.date.accessioned2020-10-26T04:02:03Z
dc.date.available2020-10-26T04:02:03Z
dc.date.issued2020-08
dc.description.abstractIn recent decades, progress in Li-ion batteries (LIBs) has grown dramatically. In 2016, about 6.4 billion cells were sold of LIBs and this is equivalent to 90 GWh [1]. even the Nobel Prize in Chemistry in 2019 was awarded to John Goodenough (USA), Stanley Whittingham (Great Britain) and Akira Yoshino (Japan) for the development of lithium-ion batteries. But work on improving the Li-ion batteries is still ongoing. SiO2 is one of the most widely used materials on earth. SiO2 is one of the most widely used materials on earth and is uses in the fields of medicine, cosmetics, agroindustry, electronics [2,3], and has also begun research on the use of SiO2 as an anode material in lithium-ion batteries [4]. It has a high theoretical capacity (1965 mAh•g-1) [5]. SiO2 obtained by us is amorphous and the source is rice husk (RH) from Kazakhstan (Kyzylorda region). Material synthesis is divided into two stages. Stage 1 includes washing pre-treatment by HCl and calcination at 600°C (SiO2-1). Stage 2 includes purification by dissolving in NaOH and extraction pure (SiO2-2) by adding HCl and washing by distilled water. The use of 1 stage material as an anode material in lithium-ion batteries has shown good stability. Microstructure of SiO2-1 and SiO2-2 differs from each other. SiO2-2 at the beginning showed good stability, but from the 10th cycle, it began to lose capacity.en_US
dc.identifier.citationAskaruly, K., Azat, S., Ulan, Z. & Yeleuov, M. (2020). Amorphous silicon dioxide as an anode material for li-ion batteries [Abstract]. The 8th International Conference on Nanomaterials and Advanced Energy Storage Systems; Nazarbayev University; National Laboratory Astana; Institute of Batteries.en_US
dc.identifier.urihttp://nur.nu.edu.kz/handle/123456789/5036
dc.language.isoenen_US
dc.publisherThe 8th International Conference on Nanomaterials and Advanced Energy Storage Systems; Nazarbayev University; National Laboratory Astana; Institute of Batteriesen_US
dc.rightsAttribution-NonCommercial-ShareAlike 3.0 United States*
dc.rights.urihttp://creativecommons.org/licenses/by-nc-sa/3.0/us/*
dc.subjectResearch Subject Categories::TECHNOLOGYen_US
dc.subjectamorphous silicon dioxideen_US
dc.subjectanode materialen_US
dc.subjectLi-ion batteriesen_US
dc.subjectLIBsen_US
dc.titleAmorphous silicon dioxide as an anode material for li-ion batteriesen_US
dc.typeAbstracten_US
workflow.import.sourcescience

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