[5,15-bis(et hynyl)-10,20-diphenylporphinato]nickel(II) (NiDEPP) as a new cathode material in rechargeable energy storage devices is demonstrated. The in-situ polymerization endows improved structural stability, enabling extremely stable cyclability for 4000 cycles with negligible capacity degradation. The NiDEPP cathode delivers remarkable reversible capacity of 153 mAh g⁻¹ and high specific energy density of 459 Wh kg⁻¹ in lithium-based organic batteries.

中文翻译：

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有机碱金属电池用超长寿命镍基卟啉配合物正极

展示了[5,15-双(乙炔基)-10,20-二苯基卟啉]镍(II) (NiDEPP)作为可充电储能装置中的新型阴极材料。原位聚合提高了结构稳定性，可实现 4000 次循环极其稳定的循环性能，容量下降可忽略不计。 NiDEPP正极在锂基有机电池中具有153 mAh g ^{-1的显着可逆容量和459 Wh kg -1}的高比能量密度。