Modified waste PVC-based active carbon-loaded nano arsenic sulfide composite electrode material and preparation method thereof

• Main Authors: TONG XIANG, XIONG WENHUA, LIU YONG
• Format: Patent
• Language: English
• Published: 19.08.2015
• Subjects: BASIC ELECTRIC ELEMENTS; CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES ORLIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE; ELECTRICITY; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGYGENERATION, TRANSMISSION OR DISTRIBUTION; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS; TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE

The invention discloses a modified waste PVC-based active carbon-loaded nano arsenic sulfide composite electrode material, and is characterized by being prepared from the following raw materials in parts by weight: 1 part to 2 parts of sodium pyrophosphate, 1 part to 3 parts of polymethyl methacrylate resin, 4 to 7 parts of tetrahydrofuran, 2 to 4 parts of nano arsenic sulfide, 1 part to 2 parts of nano dysprosium sulfide, 1 part to 2 parts of beryllia, 110 to 130 parts of modified waste PVC-based active carbon, 2 to 3 parts of dextrin, 10 to 15 parts of distilled water, and 1 part to 2 parts of distearoyl isopropoxy aluminate. The preparation method provided by the invention uses waste PVC to prepare electrode material active carbon which has the advantages of large specific surface area, high conductivity and the like, resources are utilized in a rationalized manner, the problem of environmental pollution is solved, the electrode material is doped with a metallic element having a conductive function and surface coating is performed with the nitrogen element, and a prepared supercapacitor has the advantages of high specific capacitance, high charge/discharge rate, good cycle stability and long usage time.