High-voltage stable anion storage
Cyano functionalization elevates the redox potential and stabilizes the pernigraniline salt, while N-doped mesoporous hollow carbon spheres inhibit structural degradation, enabling long cycling and high energy density in dual-ion capacitors.
Liu, Qizhi · Wang, Yongbang · Hu, Shuozhen · Zhang, Xinsheng · Wang, Jitong
Journal of Energy Storage 2025