Browsing 02.National Laboratory Astana by Author "Jin, Huafeng"

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A simple approach to synthesize novel sulfur/graphene oxide/multiwalled carbon nanotube composite cathode for high performance lithium/sulfur batteries

Yuan, Guanghui; Zhao, Yan; Jin, Huafeng; Bakenov, Zhumabay (Ionics. Springer-Verlag Berlin Heidelberg 2016, 2016-04-30)

A sulfur/graphene oxide/multiwalled carbon nanotube (S/GO/MWNT) composite was synthesized via a simple ultrasonic mixing method followed by heat treatment. By taking advantage of this solution-based self-assembly ...
Flexible free-standing Na4Mn9O18/reduced graphene oxide composite film as a cathode for sodium rechargeable hybrid aqueous battery

Yuan, Guanghui; Xiang, Jiming; Jin, Huafeng; Jin, Yanzi; Wu, Lizhou; Zhang, Yongguang; Mentbayeva, Almagul; Bakenov, Zhumabay (Electrochimica Acta, 2018-01-01)

Abstract A novel free-standing Na4Mn9O18/reduced graphene oxide (NMO-RGO) composite was successfully prepared by a facile vacuum filtration technique. Scanning and transmission electron microscopy studies revealed formation ...