What question did this study set out to answer?

To synthesize a nickel(II) coordination polymer from tetraaminophenazine and assess its performance in lithium-ion batteries.

February 19, 2026

Tetraaminophenazine‐Derived Redox‐Active Coordination Polymer for Lithium‐Ion Batteries

Key Points

To synthesize a nickel(II) coordination polymer from tetraaminophenazine and assess its performance in lithium-ion batteries.
Synthesis of nickel(II) coordination polymer P1 using tetraaminophenazine ligand.
Evaluation of P1 as cathode material in lithium-ion batteries.
Conducted ex situ Fourier-transform infrared spectroscopy to analyze degradation pathways.
Achieved long-term stability for over 1800 cycles at a current density of 1 A g−1.
Delivered a specific discharge capacity of approximately 160 mAh g−1.
Identified electrode degradation pathways through spectroscopy analysis.

Abstract

Herein, we report the synthesis of a nickel(II) coordination polymer P1, derived from a tetraaminophenazine ligand, and its evaluation as cathode material for lithium batteries. The P1 ‐based batteries demonstrated long‐term operational stability for over 1800 cycles at a high current density of 1 A g −1 and delivered remarkable specific discharge capacity of ca. 160 mAh g −1 . Ex situ Fourier‐transform infrared spectroscopy study unraveled the electrode degradation pathways realized upon the battery cycling.

Tetraaminophenazine‐Derived Redox‐Active Coordination Polymer for Lithium‐Ion Batteries

Key Points

Abstract

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