燃料电池系统氢循环方案综述

Overview of Hydrogen Cycle Schemes for Fuel Cell Systems

燃料电池氢循环主要作用是维持电堆内氢气循环量,保持堆内的水平衡。好的氢循环设计方案对提高燃料电池寿命、可靠性、以及整车的经济和动力性都有着至关重要的作用。文章从成本、效率、技术成熟度、资源可行性等角度分析了不同氢循环方案的优缺点,同时指出未来氢循环研发的热点和方向。

The main function of the fuel cell hydrogen cycle is to maintain the hydrogen circulation in the stack and maintain the water balance in the stack.A good hydrogen cycle design scheme plays a vital role in improving the life and reliability of fuel cells,as well as the economy and power of the vehicle.The article analyzes the advantages and disadvantages of diff erent hydrogen cycle solutions from the perspectives of cost,effi ciency,technological maturity,and resource feasibility,and points out the hot spots and directions for future hydrogen cycle research and development.