Small-scale, primary electrochemical energy storage devices (“microbatteries”) are critical
power sources for microelectromechanical system (MEMS)-based sensors and actuators …

Currently, reported aqueous microbatteries (MBs) only show unsatisfactory electrochemical
performance (≤ 120 mWh cm− 3 volumetric energy density and< 1000 μWh cm− 2 areal …

The need for energy dense microbatteries with miniature dimensions has prompted the
development of unconventional materials, cell geometries, and processing methods. This …

Owing to their high safety and reversibility, aqueous microbatteries using zinc anodes and
an acid electrolyte have emerged as promising candidates for wearable electronics …

The rapid development of smart wearable and integrated electronic products has urgently
increased the requirement for high‐performance microbatteries. Although few lithium ion …

The zinc-air battery (ZAB) is a promising candidate for powering wearable electronic
devices. Unfortunately, traditional ZAB hydrogel electrolytes dehydrate at room temperature …

Microbatteries are indispensable to power emerging miniaturized electronics for medical,
environmental, or stealth applications. However, they are usually fabricated by additive …

Water-based rechargeable zinc-ion batteries (ZIBs) are promising for large-scale energy
storage due to their ecoefficiency, high capacity, safety, and low cost. However, challenges …

Despite the enormous potential of aqueous zinc (Zn)‐ion batteries as a cost‐competitive and
safer power source, their practical applications have been plagued by the chemical …

Solid‐state zinc‐air batteries (ZABs) are regarded as one of the most promising flexible
energy storage systems for wearable electronic devices beyond lithium‐ion batteries …