Issue 19, 2023

A bipolar pyridine-functionalized porphyrin with hybrid charge-storage for dual-ion batteries

Abstract

A metal-free porphyrin T4PP with a pyridine group is proposed as a new electrode for lithium/sodium-based dual-ion batteries (LDIBs/SDIBs). The electrochemical performance and reaction mechanism of T4PP are explored thoroughly. The extended porphyrin conjugated structure by the pyridine groups enables an excellent cycle life (5000 cycles) and a high-power density (18.7 kW kg−1). A hybrid charge-storage mechanism with the contribution of both cations and anions benefits fast charge transfer.

Graphical abstract: A bipolar pyridine-functionalized porphyrin with hybrid charge-storage for dual-ion batteries

Supplementary files

Article information

Article type
Communication
Submitted
20 Dec 2022
Accepted
07 Feb 2023
First published
07 Feb 2023

Chem. Commun., 2023,59, 2787-2790

A bipolar pyridine-functionalized porphyrin with hybrid charge-storage for dual-ion batteries

F. He, Y. Zhou, X. Chen, T. Wang, Y. Zeng, J. Zhang, Z. Chen, W. Liu and P. Gao, Chem. Commun., 2023, 59, 2787 DOI: 10.1039/D2CC06913J

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