Open AccessGermanium‐Carbdiyne: A 3D Well‐Defined sp‐Hybridized Carbon‐Based Material with Superhigh Li Storage Property
Author(s) -
Yang Ze,
Ren Xin,
Song Yuwei,
Li Xiaodong,
Zhang Chunfang,
Hu Xiuli,
He Jianjiang,
Li Jiazhu,
Huang Changshui
Publication year - 2023
Publication title -
energy and environmental materials
Language(s) - English
Resource type - Journals
ISSN - 2575-0356
DOI - 10.1002/eem2.12269
Subject(s) - germanium , materials science , carbon fibers , lithium (medication) , carbyne , nanotechnology , ion , conjugated system , covalent bond , crystallography , chemistry , polymer , composite material , silicon , optoelectronics , organic chemistry , carbene , medicine , composite number , endocrinology , catalysis
Carbyne delivers various excellent properties for the existence of the larger number of sp‐hybridized carbon atoms. Here, a 3D well‐defined porous carbon material germanium‐carbdiyne (Ge‐CDY) which is comprised of only sp‐hybridized carbon atoms bridging by Ge atoms has been developed and investigated. The unique diamond‐like structure constructed by linear butadiyne bonds and sp 3 ‐hybridized Ge atoms ensures the stability of Ge‐CDY. The large percentage of conjugated alkyne bonds composed of sp‐C guarantees the good conductivity and the low band gap, which were further confirmed experimentally and theoretically, endowing Ge‐CDY with the potential in electrochemical applications. The well‐defined 3D carbon skeleton of Ge‐CDY provides abundant uniform nanopores, which is suitable for metal ions storage and diffusion. Further half‐cell evaluation also demonstrated Ge‐CDY exhibited an excellent performance in lithium storage. All those indicating sp‐hybridized carbon‐based materials can exhibit great potential to possess excellent properties and be applied in the field of energy, electronic, and so on.