ZIF-67-derived hollow Co₃O₄ electrode

No capacitance loss under bending and pressing

The hierarchical hollow structure provides abundant redox active sites, while the hydrogel electrolyte imparts excellent flexibility, enabling a high-performance wearable all-solid-state supercapacitor.

Dongxu, Liu · Wang, Junhao · Mengyan, Wang · Rabia, Sultana · Cui, Lili · Xin, Zhang · Han, Yinghui

Journal of Electroanalytical Chemistry 2024

Advantages

High specific capacitance of 90 F g⁻¹ at 0.5 A/g

No significant loss of capacitance under bending and pressing