A renewable biopolymer cathode with multivalent metal ions for enhanced charge storage

被引：42

作者：

Admassie, Shimelis ^{[1
,2
]}

Elfwing, Anders ^{[1
]}

Jager, Edwin W. H. ^{[3
]}

Bao, Qinye ^{[4
]}

Inganas, Olle ^{[1
]}

机构：

[1] Linkoping Univ, Dept Phys Chem & Biol IFM, S-58183 Linkoping, Sweden

[2] Univ Addis Ababa, Dept Chem, Addis Ababa, Ethiopia

[3] Linkoping Univ, Dept Phys Chem & Biol IFM, Biosensors & Bioelect Ctr, S-58183 Linkoping, Sweden

[4] Linkoping Univ, IFM, Div Surface Phys & Chem, S-58183 Linkoping, Sweden

来源：

JOURNAL OF MATERIALS CHEMISTRY A | 2014年 / 2卷 / 06期

关键词：

ELECTRODE MATERIAL; ELECTROCHEMICAL CAPACITANCE; POLYMER; PERFORMANCE; COMPOSITE; NANOCOMPOSITES; BATTERIES; FILM;

D O I：

10.1039/c3ta13876c

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

A ternary composite supercapacitor electrode consisting of phosphomolybdic acid (HMA), a renewable biopolymer, lignin, and polypyrrole was synthesized by a simple one-step simultaneous electrochemical deposition and characterized by electrochemical methods. It was found that the addition of HMA increased the specific capacitance of the polypyrrole-lignin composite from 477 to 682 F g(-1) ( at a discharge current of 1 A g(-1)) and also significantly improved the charge storage capacity from 6(to 128 mA h g(-1).

引用

页码：1974 / 1979

页数：6

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