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). A hybrid charge-storage mechanism with the contribution of both cations and anions benefits fast charge transfer.
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| http://dx.doi.org/10.1039/d2cc06913j | DOI Listing |
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