A Small‐Molecule Organic Cathode with Extended Conjugation toward Enhancing Na+ Migration Kinetics for Advanced Sodium‐Ion Batteries
Yuxin Yao,
Mengfai Pei,
Chang Su
et al.
Abstract:Organic cathode materials show excellent prospects for sodium‐ion batteries (SIBs) owing to their high theoretical capacity. However, the high solubility and low electrical conductivity of organic compounds result in inferior cycle stability and rate performance. Herein, an extended conjugated organic small molecule is reported that combines electroactive quinone with piperazine by the structural designability of organic materials, 2,3,7,8‐tetraamino‐5,10‐dihydrophenazine‐1,4,6,9‐tetraone (TDT). Through interm… Show more
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