Fabrication of a High‐Performance Flexible Silver–Zinc Wire Battery

Fabrication of a flexible wire battery assembled by utilizing low-cost fabrication processes and based on silver–zinc chemistry is reported. It offers unique versatility in terms of integration with wearable technologies due to its omnidirectional flexibility and improved performance characteristics. The battery is stable over 170 cycles with capacity retention above 98% and has linear capacity ranging between 1.2 and 1.8 mAh cm−1 at 0.5C discharge rate.