Yang Ze, Cui Weiwei, Wang Kun, Song Yuwei, Zhao Fuhua, Wang Ning, Long Yunze, Wang Huanlei, Huang Changshui
Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences, No. 189 Songling Road, Qingdao, 266101, China.
Qingdao University, No. 308 Ningxia Road, Qingdao, 266071, China.
Chemistry. 2019 Apr 17;25(22):5643-5647. doi: 10.1002/chem.201900477. Epub 2019 Mar 15.
Here, a new approach to further improve graphdiyne (GDY) based materials by using benzyl disulfide (BDS) as the sulfur source is demonstrated. The S radicals, generated from the homolysis of BDS, can react with the acetylenic bonds and be well confined in the triangle-like pores of GDY, forming S-GDY. The as-prepared S-GDY, which possesses numerous heteroatom defects and active sites, is suitable for applications in many electronic devices, such as lithium ion batteries (LIBs). As expected, the assembled LIBs based on S-GDY displayed improved electrochemical properties, including larger capacity and superior rate capability.
在此，展示了一种通过使用苄基二硫化物（BDS）作为硫源来进一步改进基于石墨炔（GDY）材料的新方法。由BDS均裂产生的S自由基可与炔键反应，并很好地限制在GDY的三角形孔中，形成S-GDY。所制备的S-GDY具有大量杂原子缺陷和活性位点，适用于许多电子器件，如锂离子电池（LIBs）。正如预期的那样，基于S-GDY组装的LIBs表现出改进的电化学性能，包括更大的容量和优异的倍率性能。
