Details

Autor(en) / Beteiligte

• Hai-jun, Chen
• Guo-rong, Deng
• Zhe-sheng Feng
• Zhao-quan, Xu
• Meng-yao, Yang
• Huang, Yan
• Peng, Qiling
• Li, Tingshuai
• Wang, Yan

Titel

Enhanced electrocatalytic performance of TiO2 nanoparticles by Pd doping toward ammonia synthesis under ambient conditions

Ist Teil von

• Chemical communications (Cambridge, England), 2022-03, Vol.58 (19), p.3214-3217

Ort / Verlag

Cambridge: Royal Society of Chemistry

Erscheinungsjahr

2022

Quelle

Alma/SFX Local Collection

Beschreibungen/Notizen

• The traditional Haber–Bosch process in industry to produce NH3 leads to excessive CO2 emissions and a large amount of energy consumption. Ambient electrochemical N2 reduction is emerging as a green and sustainable alternative method to convert N2 to NH3, but is in sore need of efficient and stable electrocatalysts. Herein, we propose using Pd-doped TiO2 nanoparticles as a high-efficiency electrocatalyst to synthesize NH3 under ambient conditions. The Pd–TiO2 catalyst delivers a large NH3 yield (17.4 μg h−1 mgcat.−1) and a high faradaic efficiency (12.7%) at −0.50 V versus reversible hydrogen electrode in a neutral electrolyte, outperforming most Pd- and Ti-based electrocatalysts recently reported for N2 reduction. Most importantly, it also demonstrates extraordinary long-term electrochemical stability.