Hierarchically structured carbon electrodes derived from intrinsically microporous Tröger's base polymers for high-performance supercapacitors

Jun Woo Jeon; Joobee Shin; Jinyoung Lee; Ji Hoon Baik; Richard Malpass-Evans; Neil B. McKeown; Tae Ho Kim; Jong Chan Lee; Sung Kon Kim; Byoung Gak Kim

doi:10.1016/j.apsusc.2020.147146

Hierarchically structured carbon electrodes derived from intrinsically microporous Tröger's base polymers for high-performance supercapacitors

Jun Woo Jeon, Joobee Shin, Jinyoung Lee, Ji Hoon Baik, Richard Malpass-Evans, Neil B. McKeown, Tae Ho Kim, Jong Chan Lee, Sung Kon Kim, Byoung Gak Kim

Department of Chemical and Biochemical Engineering

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

14 Scopus citations

Abstract

Three-dimensional (3D) hierarchically porous carbons have been extensively investigated as their large surface area and facile ion transport can provide high-performance in energy applications. Here we report new hierarchically porous carbon materials based on a polymer of intrinsic microporosity (PIM composed of ethanoeanthracene (EA) by Tröger base (TB) components (PIM-EA-TB)), for use in high-performance supercapacitor electrodes. Hierarchically structured carbon was prepared from nonsolvent-induced phase separation (NIPS) and subsequent carbonization. The intrinsic micropores of PIM-EA-TB and meso- and macro-pores formed via the NIPS process imbue the resulting carbon material with a hierarchical porous architecture with an exceptionally high surface area of 1966 m² g⁻¹ and a high electrical conductivity of 83.6 S cm⁻¹. This well-organized structure provides pathways for efficient charge transportation, giving it a high specific capacitance of 46 F g⁻¹ at 1 A g⁻¹ and an excellent specific energy of 17 W h kg⁻¹ at a specific power of 1 kW kg⁻¹.

Original language	English
Article number	147146
Journal	Applied Surface Science
Volume	530
DOIs	https://doi.org/10.1016/j.apsusc.2020.147146
State	Published - 15 Nov 2020

Keywords

Hierarchical structure
Micropore
Polymers of intrinsic microporosity
Supercapacitor
Tröger's base polymer

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10.1016/j.apsusc.2020.147146

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Jeon, J. W., Shin, J., Lee, J., Baik, J. H., Malpass-Evans, R., McKeown, N. B., Kim, T. H., Lee, J. C., Kim, S. K., & Kim, B. G. (2020). Hierarchically structured carbon electrodes derived from intrinsically microporous Tröger's base polymers for high-performance supercapacitors. Applied Surface Science, 530, Article 147146. https://doi.org/10.1016/j.apsusc.2020.147146

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abstract = "Three-dimensional (3D) hierarchically porous carbons have been extensively investigated as their large surface area and facile ion transport can provide high-performance in energy applications. Here we report new hierarchically porous carbon materials based on a polymer of intrinsic microporosity (PIM composed of ethanoeanthracene (EA) by Tr{\"o}ger base (TB) components (PIM-EA-TB)), for use in high-performance supercapacitor electrodes. Hierarchically structured carbon was prepared from nonsolvent-induced phase separation (NIPS) and subsequent carbonization. The intrinsic micropores of PIM-EA-TB and meso- and macro-pores formed via the NIPS process imbue the resulting carbon material with a hierarchical porous architecture with an exceptionally high surface area of 1966 m2 g−1 and a high electrical conductivity of 83.6 S cm−1. This well-organized structure provides pathways for efficient charge transportation, giving it a high specific capacitance of 46 F g−1 at 1 A g−1 and an excellent specific energy of 17 W h kg−1 at a specific power of 1 kW kg−1.",

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author = "Jeon, {Jun Woo} and Joobee Shin and Jinyoung Lee and Baik, {Ji Hoon} and Richard Malpass-Evans and McKeown, {Neil B.} and Kim, {Tae Ho} and Lee, {Jong Chan} and Kim, {Sung Kon} and Kim, {Byoung Gak}",

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AU - Shin, Joobee

AU - Lee, Jinyoung

AU - Baik, Ji Hoon

AU - Malpass-Evans, Richard

AU - McKeown, Neil B.

AU - Kim, Tae Ho

AU - Lee, Jong Chan

AU - Kim, Sung Kon

AU - Kim, Byoung Gak

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N2 - Three-dimensional (3D) hierarchically porous carbons have been extensively investigated as their large surface area and facile ion transport can provide high-performance in energy applications. Here we report new hierarchically porous carbon materials based on a polymer of intrinsic microporosity (PIM composed of ethanoeanthracene (EA) by Tröger base (TB) components (PIM-EA-TB)), for use in high-performance supercapacitor electrodes. Hierarchically structured carbon was prepared from nonsolvent-induced phase separation (NIPS) and subsequent carbonization. The intrinsic micropores of PIM-EA-TB and meso- and macro-pores formed via the NIPS process imbue the resulting carbon material with a hierarchical porous architecture with an exceptionally high surface area of 1966 m2 g−1 and a high electrical conductivity of 83.6 S cm−1. This well-organized structure provides pathways for efficient charge transportation, giving it a high specific capacitance of 46 F g−1 at 1 A g−1 and an excellent specific energy of 17 W h kg−1 at a specific power of 1 kW kg−1.

AB - Three-dimensional (3D) hierarchically porous carbons have been extensively investigated as their large surface area and facile ion transport can provide high-performance in energy applications. Here we report new hierarchically porous carbon materials based on a polymer of intrinsic microporosity (PIM composed of ethanoeanthracene (EA) by Tröger base (TB) components (PIM-EA-TB)), for use in high-performance supercapacitor electrodes. Hierarchically structured carbon was prepared from nonsolvent-induced phase separation (NIPS) and subsequent carbonization. The intrinsic micropores of PIM-EA-TB and meso- and macro-pores formed via the NIPS process imbue the resulting carbon material with a hierarchical porous architecture with an exceptionally high surface area of 1966 m2 g−1 and a high electrical conductivity of 83.6 S cm−1. This well-organized structure provides pathways for efficient charge transportation, giving it a high specific capacitance of 46 F g−1 at 1 A g−1 and an excellent specific energy of 17 W h kg−1 at a specific power of 1 kW kg−1.

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KW - Polymers of intrinsic microporosity

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Hierarchically structured carbon electrodes derived from intrinsically microporous Tröger's base polymers for high-performance supercapacitors

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Keywords

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