• 专利标题:   Production of highly heat-resistant back electrode material involves adding aluminum salt to silicate, introducing nitrogen or inert gas, adding low molecular weight alcohol, graphene, dispersant and solvent and adding catalyst.
  • 专利号:   CN106601983-A, CN106601983-B
  • 发明人:   ZHU Y, CHOU Q, PAN X, QIU Q
  • 专利权人:   UNIV SHANGHAI ELECTRIC POWER, UNIV SHANGHAI ELECTRIC POWER
  • 国际专利分类:   H01L031/0224, H01L031/18, H01M004/04
  • 专利详细信息:   CN106601983-A 26 Apr 2017 H01M-004/04 201737 Pages: 8 Chinese
  • 申请详细信息:   CN106601983-A CN11151181 14 Dec 2016
  • 优先权号:   CN11151181

▎ 摘  要

NOVELTY - The method for producing highly heat-resistant back electrode material involves weighing silicate, aluminum salt, low molecular weight alcohol, solvent, graphene, dispersant, catalyst and thermally conductive silica gel, adding aluminum salt to silicate, introducing nitrogen or inert gas, carrying out aeration reaction to obtain precipitate, adding low molecular weight alcohol, graphene, dispersant and solvent to obtain suspension, adding catalyst, sealing, cooling, adding silica gel, carrying out reflux reaction and removing solvent to obtain final product. USE - Method for producing highly heat-resistant back electrode material (claimed). ADVANTAGE - The environmentally-friendly method enables simple production of highly heat-resistant back electrode material with excellent thermal conductivity, high temperature cycle performance and low production cost. DETAILED DESCRIPTION - Method for producing highly heat-resistant back electrode material involves (1) weighing 10-15 pts. wt. silicate, 13-16 pts. wt. aluminum salt, 20-30 pts. wt. low molecular weight alcohol, 20-40 pts. wt. solvent, 25-35 pts. wt. graphene, 2-4 pts. wt. dispersant, 1-3 pts. wt. catalyst and 20-35 pts. wt. thermally conductive silica gel, (2) adding aluminum salt to silicate, mixing uniformly, (3) introducing nitrogen or inert gas, carrying out aeration reaction for 3-8 hours, filtering, washing to obtain precipitate, (4) adding low molecular weight alcohol, precipitate, graphene, dispersant and solvent, mixing, stirring evenly to obtain suspension, (5) adding catalyst to suspension, sealing for 2-3 hours, cooling, adding thermally conductive silica gel, carrying out reflux reaction for 1-2 hours and removing solvent to obtain highly heat-resistant back electrode material.