FigsharePub Date : 2019-10-08DOI: 10.1021/acsami.9b13629.s001
Aoming Huang (7522526), Qingqing Wang (141110), Zhongyuan Ma (2624299), Kun Rui (1418641), Xiao Huang (223709), Jixin Zhu (1610677), Wei Huang (36889)
{"title":"SurfacenAnionization of Self-Assembled Iron Sulfide Hierarchitectures to EnhancenCapacitive Storage for Alkaline-Metal-Ion Batteries","authors":"Aoming Huang (7522526), Qingqing Wang (141110), Zhongyuan Ma (2624299), Kun Rui (1418641), Xiao Huang (223709), Jixin Zhu (1610677), Wei Huang (36889)","doi":"10.1021/acsami.9b13629.s001","DOIUrl":"https://doi.org/10.1021/acsami.9b13629.s001","url":null,"abstract":"Due to the ever-growingndemand for cost-effective batteries toward greener and sustainablenapplications, continuous effort has been devoted to tailoring theninterfacial kinetics of electrode materials. Herein, surface anionizationnhas been introduced for the hierarchical assembly of iron sulfidesnon three-dimensional (3D) graphene foam (denoted FeS<sub>2</sub>@3DGFnand FeS@3DGF). The surface-anchored sulfate species provide idealnelectroactive sites, which is correlated with enhanced capacitivencontribution and boosted energy storage. Consequently, remarkablenrate capability and stable cyclability can be achieved in alkaline-metal-ionnbatteries. Specifically, FeS@3DGF displays superb cycling stabilitynwhen evaluated as anodes for Li-ion batteries (a steady capacity ofn1109 mAh g<sup>–1</sup> after 200 cycles at 200 mA g<sup>–1</sup>). Moreover, superior rate capability can be achieved for Na-ionnbatteries (203 mAh g<sup>–1</sup> at 10 000 mA g<sup>–1</sup>). These findings provide new insights into reinforcingninterface kinetics during electrochemical processes and hold greatnpromise for versatile applications in the future.","PeriodicalId":522017,"journal":{"name":"Figshare","volume":"1 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2019-10-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147889868","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}