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Title: Interpenetrating Triphase Cobalt-Based Nanocomposites as Efficient Bifunctional Oxygen Electrocatalysts for Long-Lasting Rechargeable Zn–Air Batteries

Journal Article · · Advanced Energy Materials
 [1];  [2];  [2];  [2];  [2];  [2];  [2];  [3];  [4];  [3];  [4];  [5]; ORCiD logo [2]
  1. National Center for Nanoscience and Technology, Beijing (China). CAS Key Lab. for Nanosystem and Hierarchical Fabrication. CAS Center for Excellence in Nanoscience; Univ. of Chinese Academy of Sciences, Beijing (China); Univ. of Waterloo, ON (Canada). Dept. of Chemical Engineering. Waterloo Inst. for Nanotechnology. Waterloo Inst. for Sustainable Energy
  2. Univ. of Waterloo, ON (Canada). Dept. of Chemical Engineering. Waterloo Inst. for Nanotechnology. Waterloo Inst. for Sustainable Energy
  3. Henan Normal Univ., Xinxiang (China). School of Chemistry and Chemical Engineering
  4. Brookhaven National Lab. (BNL), Upton, NY (United States). Center for Functional Nanomaterials
  5. National Center for Nanoscience and Technology, Beijing (China). CAS Key Lab. for Nanosystem and Hierarchical Fabrication. CAS Center for Excellence in Nanoscience; Univ. of Chinese Academy of Sciences, Beijing (China)

Rational construction of atomic-scale interfaces in multiphase nanocomposites is an intriguing and challenging approach to developing advanced catalysts for both oxygen reduction (ORR) and evolution reactions (OER). In this paper, a hybrid of interpenetrating metallic Co and spinel Co3O4 “Janus” nanoparticles stitched in porous graphitized shells (Co/Co3O4@PGS) is synthesized via ionic exchange and redox between Co2+ and 2D metal–organic-framework nanosheets. This strategy is proven to effectively establish highways for the transfer of electrons and reactants within the hybrid through interfacial engineering. Specifically, the phase interpenetration of mixed Co species and encapsulating porous graphitized shells provides an optimal charge/mass transport environment. Furthermore, the defect-rich interfaces act as atomic-traps to achieve exceptional adsorption capability for oxygen reactants. Finally, robust coupling between Co and N through intimate covalent bonds prohibits the detachment of nanoparticles. As a result, Co/Co3O4@PGS outperforms state-of-the-art noble-metal catalysts with a positive half-wave potential of 0.89 V for ORR and a low potential of 1.58 V at 10 mA cm-2 for OER. Finally, in a practical demonstration, ultrastable cyclability with a record lifetime of over 800 h at 10 mA cm-2 is achieved by Zn–air batteries with Co/Co3O4@PGS within the rechargeable air electrode.

Research Organization:
Univ. of Waterloo, ON (Canada); National Center for Nanoscience and Technology, Beijing (China); Henan Normal Univ., Xinxiang (China); Brookhaven National Lab. (BNL), Upton, NY (United States)
Sponsoring Organization:
USDOE; Natural Sciences and Engineering Research Council of Canada (NSERC); National Natural Science Foundation of China (NSFC); 111 Project (China); Chinese Academy of Sciences (CAS)
Grant/Contract Number:
SC0012704; 21573083; D17007; XDA09040101
OSTI ID:
1425093
Report Number(s):
BNL-203305-2018-JAAM; TRN: US1802042
Journal Information:
Advanced Energy Materials, Vol. 8, Issue 15; ISSN 1614-6832
Publisher:
WileyCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 200 works
Citation information provided by
Web of Science

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The Dual-Play of 3D Conductive Scaffold Embedded with Co, N Codoped Hollow Polyhedra toward High-Performance Li-S Full Cell journal October 2018
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Photoinduced Oxygen Reduction Reaction Boosts the Output Voltage of a Zinc–Air Battery journal July 2019
Photoinduced Oxygen Reduction Reaction Boosts the Output Voltage of a Zinc–Air Battery journal September 2019
Recent Progress on Transition Metal Oxides as Bifunctional Catalysts for Lithium‐Air and Zinc‐Air Batteries journal October 2018
Recent Advances in Metal‐Organic Framework Derivatives as Oxygen Catalysts for Zinc‐Air Batteries journal November 2018
Cobalt‐Doped Tungsten Sulfides as Stable and Efficient Air Electrodes for Rechargeable Zinc‐Air Batteries journal October 2019
MOF‐Derived Copper Nitride/Phosphide Heterostructure Coated by Multi‐Doped Carbon as Electrocatalyst for Efficient Water Splitting and Neutral‐pH Hydrogen Evolution Reaction journal December 2019
Recycling of mixed cathode lithium‐ion batteries for electric vehicles: Current status and future outlook journal March 2020
Emerging Layered Metallic Vanadium Disulfide for Rechargeable Metal‐Ion Batteries: Progress and Opportunities journal March 2020
Recent Advances in Materials and Design of Electrochemically Rechargeable Zinc-Air Batteries journal August 2018
Multi-wall carbon nanotube-supported palladium–cobalt oxide nanoparticle as efficient catalyst for oxygen reduction reaction journal July 2019
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Metal–organic frameworks-based catalysts for electrochemical oxygen evolution journal January 2019
Plasma-modified C-doped Co 3 O 4 nanosheets for the oxygen evolution reaction designed by Butler–Volmer and first-principle calculations journal January 2019
Bimetallic NiCo/CNF encapsulated in a N-doped carbon shell as an electrocatalyst for Zn–air batteries and water splitting journal January 2019
Confined Co 9 S 8 into a defective carbon matrix as a bifunctional oxygen electrocatalyst for rechargeable zinc–air batteries journal January 2019
Hierarchical Co 3 O 4 nanorods anchored on nitrogen doped reduced graphene oxide: a highly efficient bifunctional electrocatalyst for rechargeable Zn–air batteries journal January 2020
N-Doped porous tremella-like Fe 3 C/C electrocatalysts derived from metal–organic frameworks for oxygen reduction reaction journal January 2020
Heteroatom-doped nanoporous carbon initiated from bimetallic molecular framework micro-rods for supercapacitor electrodes journal January 2019
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Cu and Co nanoparticle-Co-decorated N-doped graphene nanosheets: a high efficiency bifunctional electrocatalyst for rechargeable Zn–air batteries journal January 2019
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