TiO₂/GO-coated functional separator to suppress polysulfide migration in lithium–sulfur batteries

• Ning Liu,
• Lu Wang,
• Taizhe Tan,
• Yan Zhao and
• Yongguang Zhang

Beilstein J. Nanotechnol. 2019, 10, 1726–1736, doi:10.3762/bjnano.10.168

• batteries. Keywords: dealloying; functional separator; lithium–sulfur batteries; TiO2/GO composite; Introduction The portability of handheld electronic products and successful realization of next-generation electric vehicles urgently require advanced energy storage devices with higher storage capacity and

• issues, researchers have adopted various techniques, such as optimization of the cathode material [16][17][18], incorporation of electrolyte additives [19], and protection of the anode [20]. Recently, much attention has been directed to the development of a functional separator, which serves as an

• mV. Schematic illustration of a Li/S battery with a TiO2/GO-coated functional separator. (a) XRD patterns of the as-spun and as-dealloyed Ti10Al90 alloy foils. (b) Raman spectra of TiO2, GO and the TiO2/GO composite. (c) TGA curve and (d) N2 adsorption–desorption isotherms and pore size distribution