Hierarchical-Structured RGOEGaIn Composites as Advanced Self-Healing Anode for Room-Temperature Liquid Metal Battery

Hierarchical-Structured RGOEGaIn Composites as Advanced Self-Healing Anode for Room-Temperature Liquid Metal Battery

© 2025 Wiley‐VCH GmbH.

Bibliographische Detailangaben
Veröffentlicht in:Advanced materials (Deerfield Beach, Fla.). - 1998. - 37(2025), 14 vom: 10. Apr., Seite e2419060
1. Verfasser: Huang, Cheng-Hao (VerfasserIn)
Weitere Verfasser: Yang, Xiaolong, Gong, Si-Qi, Zhang, Dong-Xian, Yan, Meng-Die, Huo, Guan-Zhong, Ding, Shao-Qing, Liu, Xi-En, Huang, Jianyu, Jiang, Jian-Zhong
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2025
Zugriff auf das übergeordnete Werk:Advanced materials (Deerfield Beach, Fla.)
Schlagworte:Journal Article hierarchical structure RGO@EGaIn in situ TEM liquid metal batteries self‐healing
Beschreibung
Zusammenfassung:© 2025 Wiley‐VCH GmbH.
Gallium-based liquid metal (LM) has emerged as a promising candidate anode material for lithium-ion batteries (LIBs), exhibiting high theoretical capacity, excellent electrode kinetics, and unique self-healing ability. However, the liquid-solid-liquid transition during the electrochemical reactions can disrupt the solid electrolyte interphase (SEI) and damage the structural integrity, ultimately limiting the cycling stability. Here, hierarchical-structured reduced graphene oxide coated eutectic gallium-indium liquid metal particles (RGOEGaIn LMPs) are synthesized using a facile self-assembly strategy. The customized RGO@EGaIn electrode demonstrated impressive performance in both half-cell and full-cell configurations for LIBs. The morphological and phase transitions of RGO@EGaIn LMPs during the lithiation/delithiation processes are uncovered by real-time in situ transmission electron microscopy tests. It is clarified that the presence of RGO in the hierarchical structure buffers the volume expansion of LMPs from ≈160% to 125% and provides a fast pathway for the rapid transfer of ions and electrons during the electrochemical reaction, which effectively enhances the electrochemical performance of the electrode. This work introduces a straightforward and effective method for preparing high-performance room-temperature liquid metal electrodes, representing a significant step forward toward the commercial application of liquid metal batteries
Beschreibung:Date Revised 10.04.2025
published: Print-Electronic
Citation Status PubMed-not-MEDLINE
ISSN:1521-4095
DOI:10.1002/adma.202419060