车用燃料电池耐久性研究

被引:37
作者
王诚 [1 ]
王树博 [1 ]
张剑波 [2 ]
李建秋 [2 ]
王建龙 [1 ]
欧阳明高 [2 ]
机构
[1] 清华大学核能与新能源技术研究院
[2] 清华大学汽车工程系汽车安全与节能国家重点实验室
关键词
氢能; 电动汽车; 燃料电池; 耐久性; 失效; 缓解策略;
D O I
暂无
中图分类号
TM911.4 [燃料电池]; U469.72 [电动汽车];
学科分类号
0808 ; 0807 ;
摘要
经过世界范围内近十年的持续研发,车用燃料电池在能量效率、体积与质量功率密度、低温启动等功能特性方面已经取得了突破性进展,新一轮的燃料电池汽车产业化浪潮正在迫近。然而,燃料电池的耐久性仍没达到商业化目标,且耐久性问题涉及面广、挑战大,成为当前燃料电池汽车产业化的主要棘手问题,构成了车用燃料电池在车辆技术方面产业化的最后障碍。车用燃料电池的耐久性已经引起了世界各国研究人员的广泛关注,本文归纳分析了车用燃料电池催化剂及其载体、质子交换膜及电极离子导体、气体扩散层、金属双极板等关键材料及部件的性能衰减机制,以及梳理了应对性能衰减的新材料、新技术与系统控制策略等耐久性最新研究进展,最后对车用燃料电池失效机制及其缓解研究提出了新的方向,以期对认识和提升燃料电池耐久性具有指导和借鉴意义。
引用
收藏
页码:424 / 435
页数:12
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