uu.seUppsala University Publications
Change search
ReferencesLink to record
Permanent link

Direct link
Porous cellulose diacetate-SiO2 composite coating on polyethylene separator for high-performance lithium-ion battery
Shanghai Univ, Sch Mat Sci & Engn, Shanghai 200444, Peoples R China.;Shanghai Univ, Res Ctr Nanosci & Nanotechnol, Shanghai 200444, Peoples R China..
Shanghai Univ, Res Ctr Nanosci & Nanotechnol, Shanghai 200444, Peoples R China..
Shanghai Univ, Res Ctr Nanosci & Nanotechnol, Shanghai 200444, Peoples R China..
Uppsala University, Disciplinary Domain of Science and Technology, Chemistry, Department of Chemistry - Ångström, Structural Chemistry.
Show others and affiliations
2016 (English)In: Carbohydrate Polymers, ISSN 0144-8617, E-ISSN 1879-1344, Vol. 147, 517-524 p.Article in journal (Refereed) Published
Abstract [en]

The developments of high-performance lithium ion battery are eager to the separators with high ionic conductivity and thermal stability. In this work, a new way to adjust the comprehensive properties of inorganic-organic composite separator was investigated. The cellulose diacetate (CDA)-SiO2 composite coating is beneficial for improving the electrolyte wettability and the thermal stability of separators. Interestingly, the pore structure of composite coating can be regulated by the weight ratio of SiO2 precursor tetraethoxysilane (TEOS) in the coating solution. The electronic performance of lithium ion batteries assembled with modified separators are improved compared with the pristine PE separator. When weight ratio of TEOS in the coating solution was 9.4%, the composite separator shows the best comprehensive performance. Compared with the pristine PE separator, its meltdown temperature and the break-elongation at elevated temperature increased. More importantly, the discharge capacity and the capacity retention improved significantly.

Place, publisher, year, edition, pages
2016. Vol. 147, 517-524 p.
Keyword [en]
Lithium ion battery separator, Inorganic-organic composite coating, Li+ ion conductivity, Shutdown temperature, Li-dendrites
National Category
Chemical Sciences
URN: urn:nbn:se:uu:diva-302211DOI: 10.1016/j.carbpol.2016.04.046ISI: 000376449300059PubMedID: 27178959OAI: oai:DiVA.org:uu-302211DiVA: diva2:956848
Available from: 2016-08-31 Created: 2016-08-31 Last updated: 2016-08-31Bibliographically approved

Open Access in DiVA

No full text

Other links

Publisher's full textPubMed

Search in DiVA

By author/editor
Zhu, Jiefang
By organisation
Structural Chemistry
In the same journal
Carbohydrate Polymers
Chemical Sciences

Search outside of DiVA

GoogleGoogle Scholar
The number of downloads is the sum of all downloads of full texts. It may include eg previous versions that are now no longer available

Altmetric score

Total: 23 hits
ReferencesLink to record
Permanent link

Direct link