Author/Authors :
Zhou, Guofu National Center for International Research on Green Optoelectronics - South China Normal University - Guangzhou, China , Zhang, Xuzi National Center for International Research on Green Optoelectronics - South China Normal University - Guangzhou, China , Shui, Lingling National Center for International Research on Green Optoelectronics - South China Normal University - Guangzhou, China , Shang, Chaoqun National Center for International Research on Green Optoelectronics - South China Normal University - Guangzhou, China , Wang, Xin National Center for International Research on Green Optoelectronics - South China Normal University - Guangzhou, China , Chen, Zhihong Shenyang Institute of Automation - Chinese Academy of Sciences - Guangzhou, China , Li, Ming Institute of Solar Energy - Yunnan Normal University - Kunming, China , Liao, Hua Institute of Solar Energy - Yunnan Normal University - Kunming, China
Abstract :
Sodium-ionbatteries(SIBs),owningtothelowcost,abundantresources,andsimilarphysicochemicalpropertieswithlithium-ionbatteries(LIBs),haveearnedmuchattentionforlarge-scaleenergystoragesystems.Inthisarticle,wesuccessfullysynthesizeflexiblefreestandingcarbonnanofiber-embeddedTiO2nanoparticles(CNF-TiO2)andthenapplyitdirectlyasanodeinSIBswithoutbinderorcurrentcollector.TakingtheadvantageofflexibleCNFandhighstructuralstability,thisanodeexhibitshighreversiblecapacityof614mAh·g−1(0.27mAh·cm−2)afteralmost400cyclesandexcellentcapacityretentionabilityof~100%
Keywords :
Flexible Freestan , Carbon Nanofiber-Embedded TiO2 Nanoparticles , Anode Material , Sodium-Ion Batteries , Sodium-ionbatteries(SIBs) , (CNF-TiO2)