• 专利标题:   Preparation of reduced graphene oxide and molybdenum disulfide composite nano paper for supercapacitor electrode, involves adding sodium molybdate hexahydrate and thioacetamide into water, mixing, hydrothermally reacting, and cooling.
  • 专利号:   CN106920697-A
  • 发明人:   HAN W, PAN X, XU S, YU G, ZHOU L
  • 专利权人:   UNIV JILIN
  • 国际专利分类:   B82Y030/00, B82Y040/00, C01B032/184, C01B032/194, C01G039/06, H01G011/30
  • 专利详细信息:   CN106920697-A 04 Jul 2017 H01G-011/30 201765 Pages: 11 Chinese
  • 申请详细信息:   CN106920697-A CN10110318 28 Feb 2017
  • 优先权号:   CN10110318

▎ 摘  要

NOVELTY - The preparation of reduced graphene oxide and molybdenum disulfide composite nano paper involves adding sodium molybdate hexahydrate and thioacetamide into deionized water, mixing, hydrothermally reacting, cooling, washing, and drying to obtain molybdenum disulfide nanosheets, adding molybdenum disulfide nanosheet powder into deionized water, ultrasonically processing, and dispersing to obtain aqueous solution of molybdenum disulfide nanosheets, adding graphene nano-powder into water, ultrasonically processing, and mixing with aqueous solution of molybdenum disulfide nanosheets. USE - Preparation method of reduced graphene oxide and molybdenum disulfide composite nano paper for supercapacitor electrode (claimed). ADVANTAGE - The method enables preparation of reduced graphene oxide and molybdenum disulfide composite nano paper with excellent cycle stability, higher energy densities of 7.6 mWh.cm-3 and 25.8 mWh.cm-3, power density of 3.64 W.cm-3 and 14.05 W.cm-3, and 480000 and 270000 times specific capacity. DETAILED DESCRIPTION - The preparation method of reduced graphene oxide and molybdenum disulfide composite nano paper involves (S1) adding 0.06-0.18 g sodium molybdate hexahydrate and 0.18-0.36 g thioacetamide into a certain volume of deionized water, uniformly mixing, hydrothermally reacting, cooling to room temperature, washing the sample, and drying at 60 degrees C for 24 hours to obtain molybdenum disulfide nanosheets, (S2) adding 0.01-0.08 g molybdenum disulfide nanosheet powder into 40-80 ml deionized water, ultrasonically processing by an ultrasonic probe, and uniformly dispersing to obtain aqueous solution of molybdenum disulfide nanosheets, (S3) adding 0.03-0.09 g graphene nano-powder into 40-80 ml deionized water, and ultrasonically processing by the ultrasonic probe to obtain uniformly dispersed graphene oxide nanosheets aqueous solution, (S4) uniformly mixing aqueous solution of molybdenum disulfide nanosheets and uniformly dispersed graphene oxide nanosheets aqueous solution according to volume ratio of 1:1-1:10, ultrasonically processing by an ultrasonic probe, vacuum filtering the graphene oxide and molybdenum disulfide mixed solution, naturally drying, and peeling off the film on a filter film to obtain graphene oxide and molybdenum disulfide composite nano-paper, and (S5) heating graphene oxide and molybdenum disulfide composite nano-paper and reducing under vacuum condition.