Title: Composite material, preparation method thereof and application in fuel cell double polar plate
Application Number: 200610036327 Application Date: 2006.07.03
Publication Number: 1919916 Publication Date: 2007.02.28
Approval Pub. Date: Granted Pub. Date:
International Classifi-cation: C08L23/12;C08L77/00;C08L67/00;C08L27/12;C08L81/02;C08L81/06;C08L79/08;C08L71/00;C08L63/00;C08K7/06;C
Applicant(s) Name: Sun Yat-sen University Address:
Inventor(s) Name: Meng Yuezhong;Zhao Yunfang;Xiao Min
Attorney & Agent: chen wei
Abstract:
    The invention discloses a composite material and preparing method and application in fuel cell double pole board in the fuel cell technique domain, which is consists of 29-50% electric conduction skeletal material, 50-70% polymer resin and 1-5% reinforcement fibrous. The invention is characterized by the following: the fuel cell double pole board has high electroconductibility and mechanical strength; the volume conductance is 130-250S/cm at normal temperature; the bending strength is 30-48MPa at normal temperature; the density is 1.4-1.7g/cm3; the thickness is 2.0-4.0mm.
Time: 7