AA-Stacked Hydrogen-Substituted Graphdiyne for Enhanced Lithium Storage

verfasst von

Yuanyuan Liu, Zhengrun Chen, Chenyu Lai, Xiang Li, Zhou Qu, Chunxi Li, Manhua Peng, Hongwei Fan, Fei Ding, Lin Zhang

Abstract

Graphdiyne (GDY) has been considered a promising electrode material for application in electrochemical energy storage. However, studies on GDY featuring an ordered interlayer stacking are lacking, which is supposed to be another effective way to increase lithium binding sites and diffusion pathways. Herein, we synthesized a hydrogen-substituted GDY (HsGDY) with a highly-ordered AA-stacking structure via a facile alcohol-thermal method. Such unique architecture enables a rapid lithium transfer through the well-organized pore channels and endows a stronger adsorption capability to lithium atom as compared to the arbitrarily-stacked mode. The resultant HsGDY exhibits a reversible capacity of 1040 mA h g⁻¹ at 0.05 A g⁻¹ ranking among the most powerful GDY-based electrode materials, and an excellent rate performance as well as a long-term cycling stability. The successful preparation of gram-level high-quality HsGDY products in batches implies the potential for large-scale lithium-storage applications.

Organisationseinheit(en)

Institut für Festkörperphysik

Externe Organisation(en)

Beijing University of Chemical Technology
North China Electric Power University (NCEPU)

Typ

Artikel

Journal

Angewandte Chemie - International Edition

Anzahl der Seiten

8

ISSN

1433-7851

Publikationsdatum

20.01.2025

Publikationsstatus

Elektronisch veröffentlicht (E-Pub)

Peer-reviewed

Ja

ASJC Scopus Sachgebiete

Katalyse, Allgemeine Chemie

Ziele für nachhaltige Entwicklung

SDG 7 – Erschwingliche und saubere Energie

Elektronische Version(en)

https://doi.org/10.1002/anie.202422089 (Zugang: Geschlossen)