Honeycomb-inspired design of ultrafine SnO2@C nanospheres embedded in carbon film as anode materials for high performance lithium- and sodium-ion battery

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Ao, XiangHuazhong University of Science and Technology, Peoples R China (författare)

Honeycomb-inspired design of ultrafine SnO2@C nanospheres embedded in carbon film as anode materials for high performance lithium- and sodium-ion battery

Artikel/kapitelEngelska2017

Förlag, utgivningsår, omfång ...

ELSEVIER SCIENCE BV,2017
electronicrdacarrier

Nummerbeteckningar

LIBRIS-ID:oai:DiVA.org:liu-139176
https://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-139176URI
https://doi.org/10.1016/j.jpowsour.2017.05.064DOI

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Språk:engelska
Sammanfattning på:engelska

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Ämneskategori:ref swepub-contenttype
Ämneskategori:art swepub-publicationtype

Anmärkningar

Funding Agencies|National Natural Science Foundation of China (NSFC) [51502099, 51571096, 61405026]; Natural Science Foundation of Hubei Province [2016CFB129]; Fundamental Research Funds for the Central Universities [HUST: 2016YXMS211]; Swedish Research Councils [Vetenskapsradet: 621-2014-5461, Formas: 2016-00559]; Aforsk foundation [16399]
Tin oxide (SnO2) has been considered as one of the most promising anodes for advanced rechargeable batteries due to its advantages such as high energy density, earth abundance and environmental friendly. However, its large volume change during the Li-Sn/Na-Sn alloying and de-alloying processes will result in a fast capacity degradation over a long term cycling. To solve this issue, in this work we design and synthesize a novel honeycomb-like composite composing of carbon encapsulated SnO2 nanospheres embedded in carbon film by using dual templates of SiO2 and NaCl. Using these composites as anodes both in lithium ion batteries and sodium-ion batteries, no discernable capacity degradation is observed over hundreds of long term cycles at both low current density (100 mA g(-1)) and high current density (500 mA g(-1)). Such a good cyclic stability and high delivered capacity have been attributed to the high conductivity of the supported carbon film and hollow encapsulated carbon shells, which not only provide enough space to accommodate the volume expansion but also prevent further aggregation of SnO2 nanoparticles upon cycling. By engineering electrodes of accommodating high volume expansion, we demonstrate a prototype to achieve high performance batteries, especially high-power batteries. (C) 2017 Elsevier B.V. All rights reserved.

Ämnesord och genrebeteckningar

NATURVETENSKAP Kemi Materialkemi hsv//swe
NATURAL SCIENCES Chemical Sciences Materials Chemistry hsv//eng
Tin oxide; Honeycomb-inspired; Lithium ion batteries; Sodium-ion batteries

Biuppslag (personer, institutioner, konferenser, titlar ...)

Jiang, JianjunHuazhong University of Science and Technology, Peoples R China (författare)
Ruan, YunjunHuazhong University of Science and Technology, Peoples R China (författare)
Li, ZhishanHuazhong University of Science and Technology, Peoples R China (författare)
Zhang, YiWuhan Institute Technology, Peoples R China (författare)
Sun, JianwuLinköpings universitet,Halvledarmaterial,Tekniska fakulteten(Swepub:liu)jiasu75 (författare)
Wang, ChundongHuazhong University of Science and Technology, Peoples R China; Chinese Academic Science, Peoples R China (författare)
Huazhong University of Science and Technology, Peoples R ChinaWuhan Institute Technology, Peoples R China (creator_code:org_t)

Sammanhörande titlar

Ingår i:Journal of Power Sources: ELSEVIER SCIENCE BV359, s. 340-3480378-77531873-2755

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Av författaren/redakt...: Ao, Xiang; Jiang, Jianjun; Ruan, Yunjun; Li, Zhishan; Zhang, Yi; Sun, Jianwu; visa fler...; Wang, Chundong; visa färre...

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Av lärosätet: Linköpings universitet

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