DataVXACS Applied Nano MaterialsPaper
journal article·2022-05-27

Nanofibrillated Cellulose-Derived Nanofibrous Co@N-C as Oxygen Reduction Reaction Catalysts in Zn–Air Batteries

Mengxia Shen, Jun Liu, Chao Duan, Chuanyin Xiong, Shujiang Ding, Shuhua Tong, Yonghao Ni

ACS Applied Nano Materials· Volume 5· Issue 5
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Source abstract

Abstract

A strategy for one-dimensional nanofibrous Co@N-C oxygen reduction reaction (ORR) electrocatalysts was developed using nanofibrillated cellulose (NFC) as the scaffold material. In situ coupling of a Co-adenine (Co-Ad) complex on an NFC bio-template leads to populated and well spatial distribution of C, N, and Co active species after pyrolysis, which has a pivotal effect on facilitating ORR via a four-electron-dominated process. Additionally, the internal abundant micro- and mesopores in the carbon nanofiber skeleton ensure rapid mass transport and adequate exposure of active compositions. In combination with these advantages, the as-obtained Co-Ad/NFC-700 demonstrated superior ORR activity and endowed the fabricated Zn-air battery with superb performance: a high peak power density of 167 mW cm–2, an excellent specific capacity of 739 mA h g–1, and an excellent cyclability exceeding 40 h.
Source: openalex_inverted_index · Quality: baseline

Research context

Energy storageNanomaterialsCatalysis & surfaces

OpenAlex topics: Electrocatalysts for Energy Conversion · Advanced battery technologies research · Supercapacitor Materials and Fabrication

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

College of Bioresources Chemical and Materials Engineering, Shaanxi University of Science and Technology, Xi’an 710021, China

Department of Applied Chemistry, School of Chemistry, MOE Key Laboratory for Non-equilibrium Synthesis and Modulation of Condensed Matter, State Key Laboratory for Mechanical Behavior of Materials, Xi’an Jiaotong University, Xi’an 710049, China

Zhejiang Jinchang Specialty Paper Co., Ltd., Quzhou 324400, China

Department of Chemical Engineering, University of New Brunswick, Fredericton, NB E3B 5A3, Canada

Funding

China Postdoctoral Science Foundation · National Natural Science Foundation of China · Zhejiang Provincial Postdoctoral Science Foundation · Natural Science Foundation of Shaanxi Province · Natural Science Advance Research Foundation of Shaanxi University of Science and Technology · Biomass Chemistry and Materials Acadamician Workstation Project in Shahjalal University of Science and Technology

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