Issue 25, 2022

Developing a three-dimensional co-continuous phase network structure via enhanced inter-component affinity for high-performance flexible organic radical electrodes

Abstract

Inspired by the results of molecular dynamics simulation, a novel binary poly(ethylene-alt-2,2,6,6-tetramethyl-1-piperidinyloxy (TEMPO) maleate) (PETM) and single-walled carbon nanotube (SWNT) nanocomposite thin film is first prepared and used as a flexible radical electrode. Benefiting from the enhanced affinity of PETM for SWNTs, a three-dimensional homogeneous co-continuous phase network structure is achieved in the PETM/SWNT electrode, which contributes to its high electrical conductivity, outstanding mechanical properties, and long-term deformation endurance. More importantly, the PETM/SWNT electrode exhibits a remarkable long-cycle life (96% capacity retention after 2000 cycles) and exceptional rate capability (almost unchanged capacity ranging from 5 to 50C). Additionally, a pouch cell based on the PETM/SWNT electrode demonstrated a stable operating voltage to power LED light strips under variant bending angles. These findings have practical significance towards designing high-performance flexible organic radical batteries.

Graphical abstract: Developing a three-dimensional co-continuous phase network structure via enhanced inter-component affinity for high-performance flexible organic radical electrodes

Supplementary files

Article information

Article type
Paper
Submitted
19 Mar 2022
Accepted
19 Apr 2022
First published
20 Apr 2022

J. Mater. Chem. A, 2022,10, 13286-13297

Developing a three-dimensional co-continuous phase network structure via enhanced inter-component affinity for high-performance flexible organic radical electrodes

Y. Chen, X. Liu, Z. Lao, K. Yang, F. Li, L. Chen, K. Mai and Z. Zhang, J. Mater. Chem. A, 2022, 10, 13286 DOI: 10.1039/D2TA02165J

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