Cellulose/Polysulfonamide Composite Membrane as a High Performance Lithium-Ion Battery Separator | Zendy

Quan Xu | Zendy; Qingshan Kong | Zendy; Zhihong Liu | Zendy; Xuejiang Wang | Zendy; Rongzhan Liu | Zendy; Jianjun Zhang | Zendy; Liping Yue | Zendy; Yulong Duan | Zendy; Guanglei Cui | Zendy

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Cellulose/Polysulfonamide Composite Membrane as a High Performance Lithium-Ion Battery Separator

Author(s) -

Quan Xu,

Qingshan Kong,

Zhihong Liu,

Xuejiang Wang,

Rongzhan Liu,

Jianjun Zhang,

Liping Yue,

Yulong Duan,

Guanglei Cui

Publication year - 2013

Publication title -

acs sustainable chemistry and engineering

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.878

H-Index - 109

ISSN - 2168-0485

DOI - 10.1021/sc400370h

Subject(s) - separator (oil production) , materials science , lithium cobalt oxide , chemical engineering , cellulose , composite number , electrolyte , electrochemistry , lithium ion battery , membrane , lithium iron phosphate , thermal stability , composite material , battery (electricity) , electrode , chemistry , power (physics) , physics , biochemistry , quantum mechanics , engineering , thermodynamics

Battery separators have drawn considerable attention due to their vital roles for the safety and electrochemical performance of lithium-ion batteries. In this paper, the cellulose/polysulfonamide composite membrane was successfully fabricated from a mixture of microfibrillar cellulose and polysulfonamide via a facile papermaking process. And its potential application was explored as a high performance lithium-ion battery separator by characterizing their electrolyte wettability, heat tolerance, and electrochemical properties. Lithium cobalt oxide/graphite cells using the separator displayed better capacity retention ratios of 85% after 100 cycles and superior rate capability compared with those of a commercial polypropylene separator. Furthermore, the lithium iron phosphate/lithium half cell using cellulose/polysulfonamide separator exhibited stable charge–discharge capability even at 120 °C. It was demonstrated that the composite separator possessed an enhanced thermal dimensional stability. This researc...

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