• 专利标题:   Manufacture of anode material used for e.g. dye-sensitized solar cell, involves preparing composite fiber, providing on surface of quartz substrate, thermally decomposing and performing electrostatic spraying of graphene.
  • 专利号:   CN103151173-A, CN103151173-B
  • 发明人:   WANG Y, JING Y, CHEN Y, DAI Y, SUN Y, LONG H, SHI Y, WANG X
  • 专利权人:   UNIV SOUTHEAST
  • 国际专利分类:   C02F001/46, H01G009/042, H01G009/20, H01L051/48
  • 专利详细信息:   CN103151173-A 12 Jun 2013 H01G-009/042 201378 Pages: 8 Chinese
  • 申请详细信息:   CN103151173-A CN10098681 25 Mar 2013
  • 优先权号:   CN10098681

▎ 摘  要

NOVELTY - Oxidized graphene is added to ceramic electro-spinning precursor solution and spinning is performed, to obtain composite fiber. The obtained product is provided on surface of clean quartz substrate, sintered and thermally decomposed, to obtain composite conductive substrate. Electrostatic spray coating of graphene is performed on surface of obtained composite conductive substrate, to obtain graphene-doped anode material. USE - Manufacture of anode material used for dye-sensitized solar cell for industrial wastewater treatment (all claimed). ADVANTAGE - The method provides anode material having high catalytic activity and specific area and excellent stability, photoelectric characteristics and electronic transmission characteristics. The wastewater treatment is performed using anode material by economical process with reduced consumption of energy. DETAILED DESCRIPTION - 1-15 Wt.% oxidized graphene is added to ceramic electro-spinning solution and spinning is performed at 20-25 degrees C, humidity of 20-30%, flow rate of 0.2-0.8 ml/h and static voltage of 15.5-16.5 kV, to obtain composite fiber. The obtained product is sintered at 450-600 degrees C for 3-6 hours. The obtained product is provided on surface of clean quartz substrate, sintered at 450-650 degrees C and thermally decomposed, to obtain composite conductive substrate. The concentration of oxidized graphene is 5-10 g/L. Electrostatic spray coating of graphene is performed on surface of obtained composite conductive substrate at 180-600 degrees C, electrofuel injection flow rate of 0.05-0.1 ml/h, distance between needle and conductive surface of substrate of 3 cm and spraying time of 10-30 minutes, to obtain graphene-doped anode material. An INDEPENDENT CLAIM is included for dye-sensitized solar cell, which comprises graphene-doped anode material and platinum electrode as cathode.