• 专利标题:   Preparing magnesium molybdate/graphene nanoarray comprises dissolving sodium molybdate and magnesium chloride hexahydrate in deionized water, hydrothermal reacting, adding graphene oxide solution, ultrasonic processing and calcining.
  • 专利号:   CN106564950-A, CN106564950-B
  • 发明人:   ZHANG L, HE W, LIU Y, ZHENG P, YUAN X, GUO S
  • 专利权人:   UNIV SHAANXI SCI TECHNOLOGY
  • 国际专利分类:   C01B032/184, C01G039/00
  • 专利详细信息:   CN106564950-A 19 Apr 2017 C01G-039/00 201731 Pages: 6 Chinese
  • 申请详细信息:   CN106564950-A CN10986194 09 Nov 2016
  • 优先权号:   CN10986194

▎ 摘  要

NOVELTY - Preparing magnesium molybdate/graphene nanoarray comprises (i) dissolving sodium molybdate and magnesium chloride hexahydrate in deionized water, carrying out hydrothermal reaction for 3-7 hours at 170-190 degrees C, centrifuging the product, washing and drying to obtain mixture A, (ii) mixing the mixture A with 0.1-0.5 mol/l concentration graphene oxide aqueous solution, stirring, ultrasonic processing for 0.5-1 hours, centrifugally separating the product, washing and drying to obtain mixture B, and (iii) calcining the mixture B under the protection of argon atmosphere. USE - The nanoarray is useful in field of energy storage and catalysis (claimed). ADVANTAGE - The method is simple and environmentally friendly. The nanoarray has regular appearance, high purity and large specific surface area. DETAILED DESCRIPTION - Preparing magnesium molybdate/graphene nanoarray comprises (i) dissolving sodium molybdate and magnesium chloride hexahydrate according to molar ratio of 1:(1-3) in deionized water, carrying out hydrothermal reaction for 3-7 hours at 170-190 degrees C, centrifuging the product, washing and drying to obtain mixture A, (ii) mixing the mixture A with 0.1-0.5 mol/l concentration graphene oxide aqueous solution according to mass ratio of 1:(0.5-1), stirring, ultrasonic processing for 0.5-1 hours, centrifugally separating the product, washing and drying to obtain mixture B, and (iii) calcining the mixture B under the protection of argon atmosphere. An INDEPENDENT CLAIM is also included for the magnesium molybdate/graphene nanoarray prepared by the above method, where the nanoarray is vertically crossed magnesium molybdate/graphene nanosheet, the cross-sectional diameter is 100 plus minus 30 nm and the thickness is 20 nm.