面向氢能装备安全健康发展的需求，主要研究包括（1）超高压、极低温、海洋等极端环境下材料的临氢性能演化机制，（2）高压氢损伤预防和调控方法，（3）氢泄漏、扩散、自燃、爆炸等机制，（4）氢能装备无损检测、服役状态智能监测及安全运维技术等，拥有我国首套140MPa高压氢环境耐久性试验装置、140MPa密封件和密封材料氢环境测试装备等特色装置。

金属氢损伤机制和调控

氢气泄漏、燃烧、爆炸规律

代表性科研成果

1. Zhengli Hua, Bai An*, Takashi Iijima, Chaohua Gu, Jinyang Zheng. The finding of crystallographic orientation dependence of hydrogen diffusion in austenitic stainless steel by scanning Kelvin probe force microscopy. Scripta Materialia, 2017, 131: 47-50. 

2. Zhengli Hua, Shengyi Zhu, Bai An, Takashi Iijima, Chaohua Gu, Jinyang Zheng*. The finding of hydrogen trapping at phase boundary in austenitic stainless steel by scanning Kelvin probe force microscopy. Scripta Materialia, 2019, 162: 219-222. 

3. Juan Shang, Weifeng Chen, Jinyang Zheng, Zhengli Hua*, Lin Zhang, Chengshuang Zhou, Chaohua Gu. Enhanced hydrogen embrittlement of low-carbon steel to natural gas/hydrogen mixtures. Scripta Materialia, 2020, 189: 67-71. 

4.  Kai Ma, Zhengli Hua*, Chaohua Gu, Zekun Zhang, Sheng Ye. Effects of crack position on fatigue life of large seamless storage vessels made of 4130X for hydrogen refueling station. International Journal of Hydrogen Energy, 2019, 44(40): 22559-22568. 

5. Jinxing Guo, Lijing Xing, Zhengli Hua, Chaohua Gu, Jinyang Zheng. Optimization of compressed hydrogen gas cycling test system based on multi-stage storage and self-pressurized method. International Journal of Hydrogen Energy, 2016, 46: 16306-16315.