Boosting high-performance in Zr-rich side protonic solid oxide electrolysis cells by optimizing functional interlayer  

作　　者：Chunmei Tang Ning Wang Sho Kitano Hiroki Habazaki Yoshitaka Aoki Siyu Ye 

机构地区：[1]Huangpu Hydrogen Energy Innovation Center,School of Chemistry and Chemical Engineering,Guangzhou University,No.230 Wai Huan Xi Road,Guangzhou,510006,China [2]Graduate School of Chemical Sciences and Engineering,Hokkaido University,N13W8,Kita-ku,Sapporo,060-8628,Japan [3]Faculty of Engineering,Hokkaido University,N13W8,Kita-ku,Sapporo,060-8628,Japan

出　　处：《Green Energy & Environment》2025年第1期150-160,共11页绿色能源与环境（英文版）

基　　金：financial support from the JSPS KAKENHI Grant-in-Aid for Scientific Research(B),No.21H02035;KAKENHI Grant-in-Aid for Challenging Research(Exploratory),No.21K19017;KAKENHI Grant-in-Aid for Transformative Research Areas(B),No.21H05100;National Natural Science Foundation of China,No.22409033 and No.22409035;Basic and Applied Basic Research Foundation of Guangdong Province,No.2022A1515110470.

摘　　要：Protonic solid oxide electrolysis cells(P-SOECs)are a promising technology for water electrolysis to produce green hydrogen.However,there are still challenges related key materials and anode/electrolyte interface.P-SOECs with Zr-rich electrolyte,called Zr-rich side P-SOECs,possess high thermodynamically stability under high steam concentrations but the large reaction resistances and the current leakage,thus the inferior performances.In this study,an efficient functional interlayer Ba_(0.95)La_(0.05)Fe_(0.8)Zn_(0.2)O_(3-δ)(BLFZ)in-between the anode and the electrolyte is developed.The electrochemical performances of P-SOECs are greatly enhanced because the BLFZ can greatly increase the interface contact,boost anode reaction kinetics,and increase proton injection into electrolyte.As a result,the P-SOEC yields high current density of 0.83 A cm^(-2) at 600℃ in 1.3 Vamong all the reported Zr-rich side cells.This work not only offers an efficient functional interlayer for P-SOECs but also holds the potential to achieve P-SOECs with high performances and long-term stability.

关 键 词：Functional interlayer Zr-rich side electrolyte Protonic solid oxide electrolysis cells Current density Faradaic efficiency 

分 类 号：TQ116.21[化学工程—无机化工]