US 12,288,905 B2
Online observation method of anode nitrogen concentration for proton exchange membrane fuel cell
Jian Chen, Hangzhou (CN); Zhiyang Liu, Hangzhou (CN); and Chizhou Yan, Hangzhou (CN)
Assigned to ZHEJIANG UNIVERSITY, Hangzhou (CN)
Appl. No. 17/419,728
Filed by ZHEJIANG UNIVERSITY, Hangzhou (CN)
PCT Filed Jun. 29, 2020, PCT No. PCT/CN2020/098783
§ 371(c)(1), (2) Date Jun. 30, 2021,
PCT Pub. No. WO2021/143054, PCT Pub. Date Jul. 22, 2021.
Claims priority of application No. 202010060664.2 (CN), filed on Jan. 19, 2020.
Prior Publication US 2022/0231313 A1, Jul. 21, 2022
Int. Cl. G06F 111/10 (2020.01); H01M 8/04298 (2016.01); H01M 8/0444 (2016.01); H01M 8/04992 (2016.01)
CPC H01M 8/04305 (2013.01) [H01M 8/04447 (2013.01); H01M 8/04992 (2013.01); G06F 2111/10 (2020.01)] 3 Claims
OG exemplary drawing
 
1. An online observation method of an anode nitrogen concentration for an anode of a proton exchange membrane fuel cell, comprising:
establishing, by a computer associated with a controller, a dynamic model of the anode nitrogen concentration based on a gas transmembrane penetration model and an anode material conservation model of the proton exchange membrane fuel cell, and then obtaining an average voltage degradation value between a nitrogen partial pressure and an average monolithic cell voltage as online feedback information, establishing an online observer of the anode nitrogen concentration based on the dynamic model of the anode nitrogen concentration and the online feedback information to obtain the anode nitrogen concentration of the proton exchange membrane fuel cell by the online observer; and
controlling, by the controller, purging of the anode according to the obtained anode nitrogen concentration of the proton exchange membrane fuel cell.