Gas-heating assisted cold-start stack

Cold start at −30 °C enabled

Conventional air-cooled PEMFC stacks struggle to warm up below freezing; this stack combines endplate and gas heating to achieve successful cold start at −30 °C using only 14% of rated power.

Chang, Huawei · Zhengbo, Yang · Tu, Zhengkai

Renewable Energy 2024

Specifications

仅需额定功率
{'zh': '14', 'en': ''} %

Advantages

Temperature uniformity and cell voltage consistency deteriorate with decreasing ambient temperature

Increasing gas heating power improves temperature uniformity and voltage consistency