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Title: Engineering Ultrathin Polyaniline in Micro/Mesoporous Carbon Supercapacitor Electrodes Using Oxidative Chemical Vapor Deposition

Abstract

In this work, oxidative chemical vapor deposition (oCVD) is demonstrated to enable the integration of nanometer-thin polyaniline (PANI) that significantly improves charge storage capacity of supercapacitors utilizing carbide-derived carbon (CDC) with a bimodal (micro/mesoporous) pore size distribution. To our knowledge, this work is the first reported synthesis of PANI via oCVD. The oCVD process allows for the integration of PANI into pores as small as 1.7 nm, and resulting CDC/PANI electrodes have a gravimetric capacitance more than twice that of bare CDC (136 F g -1 for 11 wt% of PANI in the CDC electrode versus 60 F g -1 for bare Mo 2C-CDC at 10 mV s -1). This yields a PANI-only gravimetric capacitance of ≈690 F g -1, which is close to the theoretical value of 750 F g -1. The coating preserves the native electrode surface area and pore size distribution, while improving capacitance due to the faradaic redox reactions of PANI. Even at high scan rates of over 100 mV s -1, the added pseudocapacitance from PANI remains evident. Finally, the composite electrode exhibits good cyclability, decreasing to 90% of the initial value (≈100 F g -1) after 10 000 cycles.

Authors:
 [1];  [2];  [2];  [1];  [2];  [1]
  1. Drexel Univ., Philadelphia, PA (United States). Dept. of Chemical and Biological Engineering
  2. Drexel Univ., Philadelphia, PA (United States). Dept. of Materials Science and Engineering, and A.J. Drexel Nanomaterials Inst.
Publication Date:
Research Org.:
Energy Frontier Research Centers (EFRC) (United States). Fluid Interface Reactions, Structures and Transport Center (FIRST)
Sponsoring Org.:
USDOE Office of Science (SC), Basic Energy Sciences (BES)
OSTI Identifier:
1388570
Alternate Identifier(s):
OSTI ID: 1401526
Grant/Contract Number:  
ERKCC61
Resource Type:
Journal Article: Accepted Manuscript
Journal Name:
Advanced Materials Interfaces
Additional Journal Information:
Journal Volume: 4; Journal Issue: 8; Related Information: FIRST partners with Oak Ridge National Laboratory (lead); Argonne National Laboratory; Drexel University; Georgia State University; Northwestern University; Pennsylvania State University; Suffolk University; Vanderbilt University; University of Virginia; Journal ID: ISSN 2196-7350
Publisher:
Wiley-VCH
Country of Publication:
United States
Language:
English
Subject:
42 ENGINEERING; 37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY; catalysis (heterogeneous); solar (fuels); energy storage (including batteries and capacitors); hydrogen and fuel cells; electrodes - solar; mechanical behavior; charge transport; materials and chemistry by design; synthesis (novel materials); carbide-derived carbon; oxidative chemical vapor deposition; pseudocapacitance; supercapacitor; ultrathin polyaniline

Citation Formats

Smolin, Yuriy Y., Van Aken, Katherine L., Boota, Muhammad, Soroush, Masoud, Gogotsi, Yury, and Lau, Kenneth K. S. Engineering Ultrathin Polyaniline in Micro/Mesoporous Carbon Supercapacitor Electrodes Using Oxidative Chemical Vapor Deposition. United States: N. p., 2017. Web. doi:10.1002/admi.201601201.
Smolin, Yuriy Y., Van Aken, Katherine L., Boota, Muhammad, Soroush, Masoud, Gogotsi, Yury, & Lau, Kenneth K. S. Engineering Ultrathin Polyaniline in Micro/Mesoporous Carbon Supercapacitor Electrodes Using Oxidative Chemical Vapor Deposition. United States. doi:10.1002/admi.201601201.
Smolin, Yuriy Y., Van Aken, Katherine L., Boota, Muhammad, Soroush, Masoud, Gogotsi, Yury, and Lau, Kenneth K. S. Fri . "Engineering Ultrathin Polyaniline in Micro/Mesoporous Carbon Supercapacitor Electrodes Using Oxidative Chemical Vapor Deposition". United States. doi:10.1002/admi.201601201. https://www.osti.gov/servlets/purl/1388570.
@article{osti_1388570,
title = {Engineering Ultrathin Polyaniline in Micro/Mesoporous Carbon Supercapacitor Electrodes Using Oxidative Chemical Vapor Deposition},
author = {Smolin, Yuriy Y. and Van Aken, Katherine L. and Boota, Muhammad and Soroush, Masoud and Gogotsi, Yury and Lau, Kenneth K. S.},
abstractNote = {In this work, oxidative chemical vapor deposition (oCVD) is demonstrated to enable the integration of nanometer-thin polyaniline (PANI) that significantly improves charge storage capacity of supercapacitors utilizing carbide-derived carbon (CDC) with a bimodal (micro/mesoporous) pore size distribution. To our knowledge, this work is the first reported synthesis of PANI via oCVD. The oCVD process allows for the integration of PANI into pores as small as 1.7 nm, and resulting CDC/PANI electrodes have a gravimetric capacitance more than twice that of bare CDC (136 F g-1 for 11 wt% of PANI in the CDC electrode versus 60 F g-1 for bare Mo2C-CDC at 10 mV s-1). This yields a PANI-only gravimetric capacitance of ≈690 F g-1, which is close to the theoretical value of 750 F g-1. The coating preserves the native electrode surface area and pore size distribution, while improving capacitance due to the faradaic redox reactions of PANI. Even at high scan rates of over 100 mV s-1, the added pseudocapacitance from PANI remains evident. Finally, the composite electrode exhibits good cyclability, decreasing to 90% of the initial value (≈100 F g-1) after 10 000 cycles.},
doi = {10.1002/admi.201601201},
journal = {Advanced Materials Interfaces},
issn = {2196-7350},
number = 8,
volume = 4,
place = {United States},
year = {2017},
month = {3}
}

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    Works referencing / citing this record:

    Oxidative chemical vapor deposition of polyaniline thin films
    journal, January 2017

    • Smolin, Yuriy Y.; Soroush, Masoud; Lau, Kenneth K. S.
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