A Synergistic Hybrid of Sr3B2O6‐SryTi0.6Fe0.4O3‐δ (y < 1) as a Cathode for High‐Performance Electrochemical Ammonia Synthesis via Protonic Ceramic Electrolysis Cells DOI Open Access
Kaihui Wang, Wenyan Zan, Yawei Li

et al.

Advanced Functional Materials, Journal Year: 2024, Volume and Issue: unknown

Published: Dec. 19, 2024

Abstract The electrochemical nitrogen reduction reaction (e‐NRR) presents a promising approach for environmentally friendly ammonia synthesis. However, the efficiency of synthesis can be hindered by competitive hydrogen evolution reactions (HER). Therefore, development catalyst capable suppressing HER is essential. In this study, synergistic hybrid Sr(Ti 0.6 Fe 0.4 ) 0.8 B 0.2 O 3‐δ [S(TF)B ], composed Sr 3 2 6 (SB) and y Ti (S TF, y<1) synthesized used as an electrocatalyst via protonic ceramic electrolysis cells, in which SB utilized proton acceptor, thereby inhibiting promoting proton‐coupled electron transfer (PCET) formation results deficiency A‐site cations S leading to increased number oxygen vacancies S(TF)B . DFT calculation indicates that facilitate generation desorption, adhering enzymatic pathway NH Additionally, grain boundary (GB) between TF introduces further defects, contribute enhancement eNRR. Research utilizing enhances both rate Faradaic efficiency. This study straightforward efficient fabrication eNRR catalysts.

Language: Английский

A Synergistic Hybrid of Sr3B2O6‐SryTi0.6Fe0.4O3‐δ (y < 1) as a Cathode for High‐Performance Electrochemical Ammonia Synthesis via Protonic Ceramic Electrolysis Cells DOI Open Access
Kaihui Wang, Wenyan Zan, Yawei Li

et al.

Advanced Functional Materials, Journal Year: 2024, Volume and Issue: unknown

Published: Dec. 19, 2024

Abstract The electrochemical nitrogen reduction reaction (e‐NRR) presents a promising approach for environmentally friendly ammonia synthesis. However, the efficiency of synthesis can be hindered by competitive hydrogen evolution reactions (HER). Therefore, development catalyst capable suppressing HER is essential. In this study, synergistic hybrid Sr(Ti 0.6 Fe 0.4 ) 0.8 B 0.2 O 3‐δ [S(TF)B ], composed Sr 3 2 6 (SB) and y Ti (S TF, y<1) synthesized used as an electrocatalyst via protonic ceramic electrolysis cells, in which SB utilized proton acceptor, thereby inhibiting promoting proton‐coupled electron transfer (PCET) formation results deficiency A‐site cations S leading to increased number oxygen vacancies S(TF)B . DFT calculation indicates that facilitate generation desorption, adhering enzymatic pathway NH Additionally, grain boundary (GB) between TF introduces further defects, contribute enhancement eNRR. Research utilizing enhances both rate Faradaic efficiency. This study straightforward efficient fabrication eNRR catalysts.

Language: Английский

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