Flexible solid-state supercapacitor based on tin oxide/reduced graphene oxide/bacterial nanocellulose

被引：58

作者：

Liu, Keng-Ku ^{[1
]}

Jiang, Qisheng ^{[1
]}

Kacica, Clayton ^{[2
]}

Derami, Hamed Gholami ^{[1
]}

Biswas, Pratim ^{[2
]}

Singamaneni, Srikanth ^{[1
]}

机构：

[1] Washington Univ, Inst Mat Sci & Engn, Dept Mech Engn & Mat Sci, St Louis, MO 63130 USA

[2] Washington Univ, Dept Energy Environm & Chem Engn, St Louis, MO 63130 USA

来源：

RSC ADVANCES | 2018年 / 8卷 / 55期

关键词：

CONDUCTIVE PAPER; ENERGY; PERFORMANCE; FIBER; OXIDE; COMPOSITE; NANOCOMPOSITES;

D O I：

10.1039/c8ra05270k

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

We demonstrate a flexible and light-weight supercapacitor based on bacterial nanocellulose (BNC) incorporated with tin oxide (SnO2) nanoparticles, graphene oxide (GO) and poly(3,4-ethylenedioxyiophene)-poly(styrenesulfonate) (PEDOT:PSS). The SnO2 and GO flakes are introduced into the fibrous nanocellulose matrix during bacteria-mediated synthesis. The flexible PEDOT:PSS/SnO2/rGO/BNC electrodes exhibited excellent electrochemical performance with a capacitance of 445 F g(-1) at 2 A g(-1) and outstanding cycling stability with 84.1% capacitance retention over 2500 charge/discharge cycles. The flexible solid-state supercapacitors fabricated using PEDOT:PSS/SnO2/rGO/BNC electrodes and poly(vinyl alcohol) (PVA)-H2SO4 coated BNC as a separator exhibited excellent energy storage performance. The fabrication method demonstrated here is highly scalable and opens up new opportunities for the fabrication of flexible cellulose-based energy storage devices.

引用

页码：31296 / 31302

页数：7

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