A Polyimide Nanolayer as a Metal-Free and Durable Organic Electrode Toward Highly Efficient Oxygen Evolution

Yun Xiao Lin; Wei Jie Feng; Jun Jun Zhang; Zhong Hua Xue; Tian Jian Zhao; Hui Su; Shin Ichi Hirano; Xin Hao Li; Jie Sheng Chen

doi:10.1002/anie.201808036

A Polyimide Nanolayer as a Metal-Free and Durable Organic Electrode Toward Highly Efficient Oxygen Evolution

Yun Xiao Lin, Wei Jie Feng, Jun Jun Zhang, Zhong Hua Xue, Tian Jian Zhao, Hui Su, Shin Ichi Hirano, Xin Hao Li^*, Jie Sheng Chen

^*Corresponding author for this work

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

41 Scopus citations

Abstract

The exploitation of metal-free organic polymers as electrodes for water splitting reactions is limited by their presumably low activity and poor stability, especially for the oxygen evolution reaction (OER) under more critical conditions. Now, the thickness of a cheap and robust polymer, poly(p-phenylene pyromellitimide) (PPPI) was rationally engineered by an in situ polymerization method to make the metal-free polymer available for the first time as flexible, tailorable, efficient, and ultra-stable electrodes for water oxidation over a wide pH range. The PPPI electrode with an optimized thickness of about 200 nm provided a current density of 32.8 mA cm⁻² at an overpotential of 510 mV in 0.1 mol L⁻¹ KOH, which is even higher than that (31.5 mA cm⁻²) of commercial IrO₂ OER catalyst. The PPPI electrodes are scalable and stable, maintaining 92 % of its activity after a 48-h chronoamperometric stability test.

Original language	English (US)
Pages (from-to)	12563-12566
Number of pages	4
Journal	Angewandte Chemie - International Edition
Volume	57
Issue number	38
DOIs	https://doi.org/10.1002/anie.201808036
State	Published - Sep 17 2018

Bibliographical note

Funding Information:
This work was supported by the National Natural Science Foundation of China (21722103, 21720102002, and 21673140), the Shanghai Basic Research Program (16JC1401600), the SJTU‐MPI partner group, the Shanghai Eastern Scholar Program, and the Shanghai Rising‐Star Program (16QA1402100).

Publisher Copyright:
© 2018 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim

Keywords

energy transducers
metal-free electrocatalysts
oxygen evolution reaction
polymer electrodes
water splitting

ASJC Scopus subject areas

Catalysis
General Chemistry

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

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10.1002/anie.201808036

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title = "A Polyimide Nanolayer as a Metal-Free and Durable Organic Electrode Toward Highly Efficient Oxygen Evolution",

abstract = "The exploitation of metal-free organic polymers as electrodes for water splitting reactions is limited by their presumably low activity and poor stability, especially for the oxygen evolution reaction (OER) under more critical conditions. Now, the thickness of a cheap and robust polymer, poly(p-phenylene pyromellitimide) (PPPI) was rationally engineered by an in situ polymerization method to make the metal-free polymer available for the first time as flexible, tailorable, efficient, and ultra-stable electrodes for water oxidation over a wide pH range. The PPPI electrode with an optimized thickness of about 200 nm provided a current density of 32.8 mA cm−2 at an overpotential of 510 mV in 0.1 mol L−1 KOH, which is even higher than that (31.5 mA cm−2) of commercial IrO2 OER catalyst. The PPPI electrodes are scalable and stable, maintaining 92 % of its activity after a 48-h chronoamperometric stability test.",

keywords = "energy transducers, metal-free electrocatalysts, oxygen evolution reaction, polymer electrodes, water splitting",

author = "Lin, {Yun Xiao} and Feng, {Wei Jie} and Zhang, {Jun Jun} and Xue, {Zhong Hua} and Zhao, {Tian Jian} and Hui Su and Hirano, {Shin Ichi} and Li, {Xin Hao} and Chen, {Jie Sheng}",

note = "Funding Information: This work was supported by the National Natural Science Foundation of China (21722103, 21720102002, and 21673140), the Shanghai Basic Research Program (16JC1401600), the SJTU‐MPI partner group, the Shanghai Eastern Scholar Program, and the Shanghai Rising‐Star Program (16QA1402100). Publisher Copyright: {\textcopyright} 2018 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim",

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AU - Lin, Yun Xiao

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AU - Xue, Zhong Hua

AU - Zhao, Tian Jian

AU - Su, Hui

AU - Hirano, Shin Ichi

AU - Li, Xin Hao

AU - Chen, Jie Sheng

N1 - Funding Information: This work was supported by the National Natural Science Foundation of China (21722103, 21720102002, and 21673140), the Shanghai Basic Research Program (16JC1401600), the SJTU‐MPI partner group, the Shanghai Eastern Scholar Program, and the Shanghai Rising‐Star Program (16QA1402100). Publisher Copyright: © 2018 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim

PY - 2018/9/17

Y1 - 2018/9/17

N2 - The exploitation of metal-free organic polymers as electrodes for water splitting reactions is limited by their presumably low activity and poor stability, especially for the oxygen evolution reaction (OER) under more critical conditions. Now, the thickness of a cheap and robust polymer, poly(p-phenylene pyromellitimide) (PPPI) was rationally engineered by an in situ polymerization method to make the metal-free polymer available for the first time as flexible, tailorable, efficient, and ultra-stable electrodes for water oxidation over a wide pH range. The PPPI electrode with an optimized thickness of about 200 nm provided a current density of 32.8 mA cm−2 at an overpotential of 510 mV in 0.1 mol L−1 KOH, which is even higher than that (31.5 mA cm−2) of commercial IrO2 OER catalyst. The PPPI electrodes are scalable and stable, maintaining 92 % of its activity after a 48-h chronoamperometric stability test.

AB - The exploitation of metal-free organic polymers as electrodes for water splitting reactions is limited by their presumably low activity and poor stability, especially for the oxygen evolution reaction (OER) under more critical conditions. Now, the thickness of a cheap and robust polymer, poly(p-phenylene pyromellitimide) (PPPI) was rationally engineered by an in situ polymerization method to make the metal-free polymer available for the first time as flexible, tailorable, efficient, and ultra-stable electrodes for water oxidation over a wide pH range. The PPPI electrode with an optimized thickness of about 200 nm provided a current density of 32.8 mA cm−2 at an overpotential of 510 mV in 0.1 mol L−1 KOH, which is even higher than that (31.5 mA cm−2) of commercial IrO2 OER catalyst. The PPPI electrodes are scalable and stable, maintaining 92 % of its activity after a 48-h chronoamperometric stability test.

KW - energy transducers

KW - metal-free electrocatalysts

KW - oxygen evolution reaction

KW - polymer electrodes

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ER -

A Polyimide Nanolayer as a Metal-Free and Durable Organic Electrode Toward Highly Efficient Oxygen Evolution

Abstract

Bibliographical note

Keywords

ASJC Scopus subject areas

UN SDGs

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