Electrospun polyaniline nanofibers web electrodes for supercapacitors

Sudeshna Chaudhari; Yogesh Sharma; Panikar Sathyaseelan Archana; Rajan Jose; Seeram Ramakrishna; Subodh Mhaisalkar; Madhavi Srinivasan

doi:10.1002/app.38859

Electrospun polyaniline nanofibers web electrodes for supercapacitors

Sudeshna Chaudhari, Yogesh Sharma, Panikar Sathyaseelan Archana, Rajan Jose, Seeram Ramakrishna, Subodh Mhaisalkar, Madhavi Srinivasan^*

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

136 Citations (Scopus)

Abstract

Polyaniline nanofibers (PANI-NFs) web are fabricated by electrospinning and used as electrode materials for supercapacitors. Field-emission scanning electron microscope micrographs reveal nanofibers web were made up of high aspect ratio (>50) nanofibers of length ∼30 μm and average diameter ∼200 nm. Their electrochemical performance in aqueous (1M H ₂SO₄ and Na₂SO₄) and organic (1M LiClO₄ in propylene carbonate) electrolytes is compared with PANI powder prepared by in situ chemical oxidative polymerization of aniline. The electrochemical properties of PANI-NFs web and PANI powder are studied using cyclic voltammetry, galvanostatic charge/discharge, and electrochemical impedance spectroscopy. PANI-NFs web show higher specific capacitance (∼267 F g^-1) than chemically synthesized PANI powder (∼208 F g ^-1) in 1M H₂SO₄. Further, PANI-NFs web demonstrated very stable and superior performance than its counterpart due to interconnected fibrous morphology facilitating the faster Faradic reaction toward electrolyte and delivered specific capacitance ∼230 F g^-1 at 1000th cycle. Capacitance retention of PANI-NFs web (86%) is higher than that observed for PANI powder (48%) indicating the feasibility of electro spun PANI-NFs web as superior electrode materials for supercapacitors.

Original language	English
Pages (from-to)	1660-1668
Number of pages	9
Journal	Journal of Applied Polymer Science
Volume	129
Issue number	4
DOIs	https://doi.org/10.1002/app.38859
Publication status	Published - Aug 15 2013
Externally published	Yes

ASJC Scopus Subject Areas

General Chemistry
Surfaces, Coatings and Films
Polymers and Plastics
Materials Chemistry

Keywords

batteries and fuel cells
coatings
conducting polymers
electrospinning
fibers

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10.1002/app.38859

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title = "Electrospun polyaniline nanofibers web electrodes for supercapacitors",

abstract = "Polyaniline nanofibers (PANI-NFs) web are fabricated by electrospinning and used as electrode materials for supercapacitors. Field-emission scanning electron microscope micrographs reveal nanofibers web were made up of high aspect ratio (>50) nanofibers of length ∼30 μm and average diameter ∼200 nm. Their electrochemical performance in aqueous (1M H 2SO4 and Na2SO4) and organic (1M LiClO4 in propylene carbonate) electrolytes is compared with PANI powder prepared by in situ chemical oxidative polymerization of aniline. The electrochemical properties of PANI-NFs web and PANI powder are studied using cyclic voltammetry, galvanostatic charge/discharge, and electrochemical impedance spectroscopy. PANI-NFs web show higher specific capacitance (∼267 F g-1) than chemically synthesized PANI powder (∼208 F g -1) in 1M H2SO4. Further, PANI-NFs web demonstrated very stable and superior performance than its counterpart due to interconnected fibrous morphology facilitating the faster Faradic reaction toward electrolyte and delivered specific capacitance ∼230 F g-1 at 1000th cycle. Capacitance retention of PANI-NFs web (86%) is higher than that observed for PANI powder (48%) indicating the feasibility of electro spun PANI-NFs web as superior electrode materials for supercapacitors.",

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author = "Sudeshna Chaudhari and Yogesh Sharma and Archana, {Panikar Sathyaseelan} and Rajan Jose and Seeram Ramakrishna and Subodh Mhaisalkar and Madhavi Srinivasan",

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T1 - Electrospun polyaniline nanofibers web electrodes for supercapacitors

AU - Chaudhari, Sudeshna

AU - Sharma, Yogesh

AU - Archana, Panikar Sathyaseelan

AU - Jose, Rajan

AU - Ramakrishna, Seeram

AU - Mhaisalkar, Subodh

AU - Srinivasan, Madhavi

PY - 2013/8/15

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N2 - Polyaniline nanofibers (PANI-NFs) web are fabricated by electrospinning and used as electrode materials for supercapacitors. Field-emission scanning electron microscope micrographs reveal nanofibers web were made up of high aspect ratio (>50) nanofibers of length ∼30 μm and average diameter ∼200 nm. Their electrochemical performance in aqueous (1M H 2SO4 and Na2SO4) and organic (1M LiClO4 in propylene carbonate) electrolytes is compared with PANI powder prepared by in situ chemical oxidative polymerization of aniline. The electrochemical properties of PANI-NFs web and PANI powder are studied using cyclic voltammetry, galvanostatic charge/discharge, and electrochemical impedance spectroscopy. PANI-NFs web show higher specific capacitance (∼267 F g-1) than chemically synthesized PANI powder (∼208 F g -1) in 1M H2SO4. Further, PANI-NFs web demonstrated very stable and superior performance than its counterpart due to interconnected fibrous morphology facilitating the faster Faradic reaction toward electrolyte and delivered specific capacitance ∼230 F g-1 at 1000th cycle. Capacitance retention of PANI-NFs web (86%) is higher than that observed for PANI powder (48%) indicating the feasibility of electro spun PANI-NFs web as superior electrode materials for supercapacitors.

AB - Polyaniline nanofibers (PANI-NFs) web are fabricated by electrospinning and used as electrode materials for supercapacitors. Field-emission scanning electron microscope micrographs reveal nanofibers web were made up of high aspect ratio (>50) nanofibers of length ∼30 μm and average diameter ∼200 nm. Their electrochemical performance in aqueous (1M H 2SO4 and Na2SO4) and organic (1M LiClO4 in propylene carbonate) electrolytes is compared with PANI powder prepared by in situ chemical oxidative polymerization of aniline. The electrochemical properties of PANI-NFs web and PANI powder are studied using cyclic voltammetry, galvanostatic charge/discharge, and electrochemical impedance spectroscopy. PANI-NFs web show higher specific capacitance (∼267 F g-1) than chemically synthesized PANI powder (∼208 F g -1) in 1M H2SO4. Further, PANI-NFs web demonstrated very stable and superior performance than its counterpart due to interconnected fibrous morphology facilitating the faster Faradic reaction toward electrolyte and delivered specific capacitance ∼230 F g-1 at 1000th cycle. Capacitance retention of PANI-NFs web (86%) is higher than that observed for PANI powder (48%) indicating the feasibility of electro spun PANI-NFs web as superior electrode materials for supercapacitors.

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KW - coatings

KW - conducting polymers

KW - electrospinning

KW - fibers

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Electrospun polyaniline nanofibers web electrodes for supercapacitors

Abstract

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Keywords

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