DataVXSmall MethodsPaper
journal article·2021-04

Metal‐Free Bifunctional Ordered Mesoporous Carbon for Reversible Zn‐CO2 Batteries

Sanshuang Gao, Yifan Liu, Zhongyuan Xie, Yuan Qiu, Longchao Zhuo, Yongji Qin, Junqiang Ren, Shusheng Zhang, Guangzhi Hu, Jun Luo, Xijun Liu

Small Methods· Volume 5· Issue 4
Publisher page
Source abstract

Abstract

Abstract The fabrication of Zn‐CO2 batteries is a promising technique for CO2 fixation and energy storage. Herein, nitrogen‐doped ordered mesoporous carbon (NOMC) is adopted as a bifunctional metal‐free electrocatalyst for CO2 reduction and oxygen evolution reaction in the near‐neutral electrolyte. The ordered mesoporous structures and abundant N‐dopings of NOMC facilitate the accessibility and utilization of the active sites, which endow NOMC with excellent electrocatalysis performance and outstanding stability. Especially, a nearly 100% CO Faradaic efficiency is achieved at an ultralow overpotential of 360 mV for CO2 reduction. When constructed as an aqueous rechargeable Zn‐CO2 battery using NOMC as the cathode, it yields a high peak power density of 0.71 mW cm−2, a good cyclability of 300 cycles, and excellent energy efficiency of 52.8% at 1.0 mA cm−2.
Source: crossref · Quality: baseline

Research context

Energy storageCatalysis & surfaces

OpenAlex topics: Advanced battery technologies research · CO2 Reduction Techniques and Catalysts · Electrocatalysts for Energy Conversion

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

Affiliations

Institute for New Energy Materials and Low‐Carbon Technologies Tianjin Key Lab of Photoelectric Materials and Devices School of Materials Science and Engineering Tianjin University of Technology Tianjin 300384 China

Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong Province Shenzhen University Shenzhen 518060 China

School of Materials Science and Engineering Xi'an University of Technology Xi'an 710048 China

State Key Laboratory of Advanced Processing and Recycling of Nonferrous Metals Lanzhou University of Technology Lanzhou 730050 China

College of Chemistry Zhengzhou University Zhengzhou 450000 China

Institute for Ecological Research and Pollution Control of Plateau Lakes School of Ecology and Environmental Science Yunnan University Kunming 650504 China

Key Laboratory of Civil Aviation Thermal Hazards Prevention and Emergency Response Civil Aviation University of China Tianjin 300300 China

Funding

National Basic Research Program of China · National Natural Science Foundation of China · Science and Technology Development Fund

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