Metal-air batteries in fiber shape, which are theoretically endowed with high energy densities, have emerged as a versatile platform for the advance of next-generation flexible electronics. The past decade has witnessed the booming development of fiber-shaped metal-air batteries including flexible lithium-air (oxygen) batteries, zinc-air batteries, aluminum-air batteries and lithium-CO₂ batteries. Here the recent advances of fiber-shaped metal-air batteries are briefly summarized, with particular emphasis on the fabrication of flexible electrodes, the electrolyte exploitation and encapsulating material optimization. The remaining challenges and promising directions are highlighted to provide clues for the practical implementation of fiber-shaped metal-air batteries.

理论上具有高能量密度的纤维状金属空气电池已经成为下一代柔性电子技术发展的多功能平台。过去十年见证了纤维状金属空气电池的蓬勃发展，包括柔性锂空气（氧气）电池，锌空气电池，铝空气电池和锂CO ₂电池。在此简要概述了纤维状金属空气电池的最新进展，尤其着重于柔性电极的制造，电解质的开发和封装材料的优化。突出了剩下的挑战和有希望的方向，为纤维形金属空气电池的实际实施提供了线索。