DataVXACS Applied Materials & InterfacesPaper
journal article·2019-05-15

Highly Lithiophilic Graphdiyne Nanofilm on 3D Free-Standing Cu Nanowires for High-Energy-Density Electrodes

Hong Shang, Zicheng Zuo, Yuliang Li

ACS Applied Materials & Interfaces· Volume 11· Issue 19
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Source abstract

Abstract

The sp-hybridization carbon atoms in graphdiyne (GDY) are higher lithiophilic epicenters for lithium (Li) deposition than those of sp2-hybridized ones in traditional carbon materials. The ultrathin GDY nanofilms are constructed in situ on the 3D free-standing Cu nanowires (CuNWs) for improving the lithiophilicity of the surface efficiently. The CuNW electrode modified by GDY nanofilms (GDY@CuNW) shows significant improvements in terms of overpotential for lithium nucleation, battery lifespan, Coulombic efficiency, and suppression of dendritic lithium. The overall improvement of the free-standing electrode exhibits a volumetric capacity high up to 1333 mA h cm–3. Our results have demonstrated that controllable growth of GDY nanofilms should be an effective method to improve the Li plating and stripping process in the Li metal battery.
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Research context

Energy storageNanomaterialsMaterials processing

OpenAlex topics: Advancements in Battery Materials · Advanced Battery Materials and Technologies · Graphene research and applications

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

Affiliations

School of Science, China University of Geosciences (Beijing), Beijing 100083, P. R. China

Beijing National Laboratory for Molecular Sciences (BNLMS), CAS Research/Education Center for Excellence in Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, P. R. China

University of Chinese Academy of Sciences, Beijing 100049, P. R. China

Funding

Ministry of Education of the People's Republic of China · Ministry of Science and Technology of the People's Republic of China · National Natural Science Foundation of China · Chinese Academy of Sciences

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