p-Type Covalent Organic Polymer Cathode

~50k cycles, near-constant capacity

p-Type redox sites with charge dilution enable ultrafast anion transport in this polymer cathode, achieving unusually high-rate capacity retention in dual-ion batteries.

Zhong, Linfeng · Zhang, Yang · Li, Jing · Fang, Long · Liu, Cong · Wang, Xiaotong · Zhang, Zishou · Yu, Dingshan

ACS Nano 2023

Specifications

Nearly constant capacities

{'zh': '~149', 'en': '~149'} mAh g⁻¹

Retains

{'zh': '~99', 'en': '~99'} mAh g⁻¹

Advantages

Long cycle life of over 50,000 cycles

Surpasses the n-type counterpart and most existing p-type organic cathodes