Boosting Zinc-Air Battery Performance by Regulating Pd Single-Atom Coordination via Thermal-Driven Migration.
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OpenAlex 토픽 ·
Electrocatalysts for Energy Conversion
Advanced battery technologies research
CO2 Reduction Techniques and Catalysts
Pd catalysts showed considerable activity to the oxygen conversions in metal-air batteries, but developing efficient, durable, and low-cost Pd electrocatalysts remains highly challenging.
APA
Xin Xu, Jingyi Tian, et al. (2026). Boosting Zinc-Air Battery Performance by Regulating Pd Single-Atom Coordination via Thermal-Driven Migration.. ACS applied materials & interfaces, 18(13), 19004-19014. https://doi.org/10.1021/acsami.5c24772
MLA
Xin Xu, et al.. "Boosting Zinc-Air Battery Performance by Regulating Pd Single-Atom Coordination via Thermal-Driven Migration.." ACS applied materials & interfaces, vol. 18, no. 13, 2026, pp. 19004-19014.
PMID
41906770 ↗
Abstract 한글 요약
Pd catalysts showed considerable activity to the oxygen conversions in metal-air batteries, but developing efficient, durable, and low-cost Pd electrocatalysts remains highly challenging. Herein, a Pd single-atom catalyst (SAC) with in-plane PdNC (1 ≤ ≤ 4) moieties was reconstructed at 800 °C (Pd/hNCNC-800) by heating the counterpart with edge-coordinated PdNCl single sites formed on hierarchical N-doped carbon nanocages at 70 °C (Pd/hNCNC-70). In alkaline media, the Pd/hNCNC-800 catalyzes oxygen reduction (ORR) and oxygen evolution (OER) reactions via dominant four-electron pathways as revealed by electrochemical and in situ Raman spectroscopy characterizations, exhibiting outstanding activities and stabilities. The corresponding zinc-air battery demonstrates a maximum power density of 214.4 mW cm, a high specific capacity of 810.7 mAh g, and a long cycle life over 600 h, significantly outperforming the counterparts of Pd/hNCNC-70 and mixed Pt/C+RuO (commercial). Theoretical calculations reveal that multiple PdNC moieties collectively boost the ORR/OER processes while efficiently inhibiting the migration of Pd atoms. These findings establish the correlation between coordination structure and ORR/OER performance of Pd SACs, providing guidance to develop advanced catalysts for energy applications.
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