title: Effect of Boron-Doping on the Graphene Aerogel Used as Cathode for the Lithium-Sulfur Battery.
abstract: A porous interconnected 3D boron-doped graphene aerogel (BGA) was prepared via a one-pot hydrothermal treatment. The BGA material was first loaded with sulfur to serve as cathode in lithium-sulfur batteries. Boron was positively polarized on the graphene framework, allowing for chemical adsorption of negative polysufide species. Compared with nitrogen-doped and undoped graphene aerogel, the BGA-S cathode could deliver a higher capacity of 994 mA h g(-1) at 0.2 C after 100 cycles, as well as an outstanding rate capability, which indicated the BGA was an ideal cathode material for lithium-sulfur batteries.
authors.affiliation: Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences , Ningbo, Zhejiang 315201, P.R.China.
authors.forename: Yang
authors.initials: Y
authors.lastname: Xie
authors.affiliation: Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences , Ningbo, Zhejiang 315201, P.R.China.
authors.forename: Zhen
authors.initials: Z
authors.lastname: Meng
authors.affiliation: Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences , Ningbo, Zhejiang 315201, P.R.China.
authors.forename: Tingwei
authors.initials: T
authors.lastname: Cai
authors.affiliation: Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences , Ningbo, Zhejiang 315201, P.R.China.|Department of Materials Science and Engineering, Zhejiang University , Hangzhou, Zhejiang 310027, China.
authors.forename: Wei-Qiang
authors.initials: WQ
authors.lastname: Han
keywords: boron-doped graphene aerogel; chemical adsorption; electrochemical performance; lithium−sulfur batteries; porous structure