2000 h durable
The Ni/Ni(OH)₂@NM electrode, fabricated via NiO reduction to create a porous structure with in situ grown nanosheets, provides a hydrophilic and gas-repellent surface with high bifunctional activity and long-term durability for alkaline water electrolysis.
Shukai, Diao · Tianwen, Wang · Wen, Kuang · Su, Yan · Xiaotian, Zhang · Mingxuan, Chen · Ying, Liu · Tan, Aidong · Yang, Tianrang · Liu, Jianguo
Chemical Engineering Journal 2025
Overpotentials of 164 mV for HER and 337 mV for OER at 100 mA/cm²
Electrolyzer voltage of only 1.695 V at 300 mA/cm² and 80 °C after 2000 h durability test
Stable operation for 2000 h at 80 °C without degradation
Excellent stability under frequent start-stop cycles