A novel utilized method of tar derived from biomass gasification for fabricating binder-free all-solid-state hybrid supercapacitors |
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| Affiliation: | 1. Key Laboratory for Green Chemical Technology of Ministry of Education, School of Chemical Engineering and Technology, Tianjin University, Tianjin, 300072, China;2. Microchemical Engineering and Technology Group, Dalian University of Chemical Engineering, Chinese Academy of Science, Dalian, 116023, China;3. College of Chemistry and Chemical Engineering, Henan University, Kaifeng, 475001, China;1. Instituto Politécnico Nacional, Centro de Investigación en Ciencia Aplicada y Tecnología Avanzada CICATA, Unidad Altamira, Carretera Tampico-Puerto Industrial, Km 14.5, Altamira, Tamaulipas, C.P.89600, Mexico;2. Instituto Politécnico Nacional, UPIIH, Ciudad Del Conocimiento y La Cultura, Carretera Pachuca-Actopan Km. 1+500, San Agustin Tlaxiaca, Hidalgo, Mexico;3. Departamento de Ingeniería Química, Industrial y de Alimentos, Universidad Iberoamericana, Prolongación Paseo de La Reforma 880, Lomas de Santa Fe, 01219, Ciudad de México, Mexico;4. TecNM, Instituto Tecnológico de Cd, Madero, Ave. Primero de Mayo S/n Col. Los Mangos, Cd. Madero, Tamps, C.P.89440, Mexico;5. Instituto Politécnico Nacional, Centro de Nanociencias Micro y Nanotecnologías, C.P.07300, Ciudad de México, Mexico;6. Instituto Politécnico Nacional, ESIQIE, Departamento de Metalurgia, C.P.07300, Ciudad de México, Mexico;1. College of Chemistry and Pharmaceutical Sciences, Qingdao Agricultural University, Qingdao, 266109, People''s Republic of China;2. Shaanxi Key Laboratory of Natural Products & Chemical Biology, College of Chemistry & Pharmacy, Northwest A&F University, Yangling, Shanxi, 712100, People''s Republic of China;1. College of Science, Northeast Agricultural University, Harbin, Heilongjiang, 150030, China;2. College of Chemistry, Chemical Engineering and Resource Utilization, Northeast Forestry University, Harbin 150040, China;1. State Key Laboratory of Coal Conversion, Institute of Coal Chemistry, Chinese Academy of Sciences, Taiyuan, 030001, PR China;2. Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing, 100049, PR China |
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| Abstract: | As an industrial pollutant, tar derived from biomass gasification is used as the precursor for fabricating a novel carbon-metal hydroxides composite electrode. A slurry (the mixture of tar, KOH and melamine) is daubed uniformly onto the nickel foam, which is directly carbonized to form NPC@LDH electrode material. This electrode is further coated with NiCo-LDH nanosheets using an electrodeposition method to form NF@NPC@LDH. The newly made NF@NPC@LDH electrode exhibits a high specific capacity of 9.6 F cm?2 at a current density of 2 mA cm?2 and good rate performance (55.3% retention). Furthermore, a hybrid NF@NPC@LDH//NF@PC all-solid-state supercapacitor is fabricated, and the device exhibits high energy density of 1.28 mWh cm?3 at a power density of 8.04 mW cm?3, low resistance and good cycling stability. |
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| Keywords: | Tar Biomass gasification Carbon skeleton Electrodeposition All-solid-state supercapacitor |
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