| 1. | Under microgravity environment , the characteristic of two - phase flow in proton exchange membrane fuel cell is different from normal gravity environment . it is a new challenge for the management of gas and liquid in the fuel cells and becomes one of the key technique problems of proton exchange membrane fuel cell , resolved urgently 在空间微重力环境中,质子交换膜燃料电池内部伴有电化学反应的两相流动将呈现出和常规两相流动迥然不同的特性,给燃料电池气液管理提出了新的挑战,成为质子交换膜燃料电池技术发展中亟待解决的关键技术问题之一。 |