Journal
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
Volume 57, Issue 7, Pages 1856-1862Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/anie.201710852
Keywords
heteroatom doping; meso/microstructured carbon; rechargeable batteries; reversible oxygen electrocatalysts; zincair batteries
Categories
Funding
- Cluster of Excellence Unifying Concepts in Catalysis (UniCat) - German Science Foundation (DFG)
- Berlin Graduate School of Natural Sciences and Engineering (BIG-NSE) - German Science Foundation (DFG)
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Two types of templates, an active metal salt and silica nanoparticles, are used concurrently to achieve the facile synthesis of hierarchical meso/microporous FeCo-N-x-carbon nanosheets (meso/micro-FeCo-N-x-CN) with highly dispersed metal sites. The resulting meso/micro-FeCo-N-x-CN shows high and reversible oxygen electrocatalytic performances for both ORR and OER, thus having potential for applications in rechargeable Zn-air battery. Our approach creates a new pathway to fabricate 2D meso/microporous structured carbon architectures for bifunctional oxygen electrodes in rechargeable Zn-air battery as well as opens avenues to the scale-up production of rationally designed heteroatom-doped catalytic materials for a broad range of applications.
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