Surface Phosphorus-Induced CoO Coupling to Monolithic Carbon for Efficient Air Electrode of Quasi-Solid-State Zn-Air Batteries.
Zn-air batteries
bifunctional oxygen catalysts
biomass
monolithic electrodes
surface phosphorus-induced activity
Journal
Advanced science (Weinheim, Baden-Wurttemberg, Germany)
ISSN: 2198-3844
Titre abrégé: Adv Sci (Weinh)
Pays: Germany
ID NLM: 101664569
Informations de publication
Date de publication:
Oct 2021
Oct 2021
Historique:
revised:
15
06
2021
received:
31
03
2021
pubmed:
10
8
2021
medline:
10
8
2021
entrez:
9
8
2021
Statut:
ppublish
Résumé
One challenge facing the development of air electrodes for Zn-air batteries (ZABs) is the embedment of active sites into carbon, which requires cracks and blends between powder and membrane and results in low energy efficiency during manufacturing and utilization. Herein, a surface phosphorization-monolithic strategy is proposed to embed CoO nanoparticles into paulownia carbon plate (P-CoO@PWC) as monolithic electrodes. Benefiting from the retention of natural transport channels, P-CoO@PWC-2 is conducive to the construction of three-phase interface structure for efficient mass transfer and high electrical conductivity. The electrode exhibits remarkable catalytic activities for both oxygen reduction reaction (ORR) and oxygen evolution reaction (OER) with a small overpotential gap (E
Identifiants
pubmed: 34369108
doi: 10.1002/advs.202101314
pmc: PMC8498900
doi:
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
e2101314Subventions
Organisme : National Natural Science Foundation of China
ID : 31901272
Organisme : National Natural Science Foundation of China
ID : 22075254
Informations de copyright
© 2021 The Authors. Advanced Science published by Wiley-VCH GmbH.
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