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Germanium-Carbdiyne: A 3D Well-Defined sp-Hybridized Carbon-Based Material with Superhigh Li Storage Property

查看全文 作　　者：Ze [1]Yang;Xin [2]Ren;Yuwei [1]Song;Xiaodong [1]Li;Chunfang [3]Zhang;Xiuli [1]Hu;Jianjiang [1]He;Jiazhu [2]Li;Changshui [1]Huang 高影响力作者 机构地区：[1]Qingdao Institute of Bioenergy and Bioprocess Technology,Chinese Academy of Sciences,Qingdao 266101,China;[2]Yantai University,No.30 Qingquan Road,Yantai 264005,China;[3]Hebei University,No.180 Wusi Dong Road,Baoding 071002,China高影响力机构 出　　处：《Energy & Environmental Materials》索引2023年第6卷第1期,共8页高影响力期刊 基　　金：This study was supported by the National Natural Science Foundation of China (21701182,51822208,21771187,21790050,and 21790051);the Frontier Science Research Project (QYZDB-SSW-JSC052);the Chinese Academy of Sciences,the Taishan Scholars Program of Shandong Province (tsqn201812111);Institute Research Project (QIBEBT ZZBS 201809). 摘　　要：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. 关 键 词：3D porous material electrochemical energy storage germanium-carbdiyne lithium storage theoretical predictions
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