Supercapacitors
Preparation and Electrochemistry Properties of the Porous Glassy Carbon Derived Form Phenolic Resin
Supercapacitors are new energy store devices which developed rapidly recently. Carbon materials are the most important. In this paper, the mesoporous glassy carbon derived form phenolic resin were prepared,and activated time、activated temperature and also pore width were investigated in detail. The influence of the mass of polyethyleneglycol for supercapacitors in KOH were also evaluated.Phenolic resin [...]
Synthesis and Capacitive Performance of Ordered Porous Carbon Via a Template Method
In recent years, supercapacitor as a new type of energy storage device has received much more attention from governments and research workers. Porous carbon materials are usually used as the electrodes of electric double layer capacitors (EDLCs). Even the micropores are important for aqueous electrolyte system, however, when the micropore size is too small, the [...]
Studies on Preparation and Application of Ordered Mesoporous Carbon/polyaniline Composites for Supercapacitor Electrode
In this thesis,the newest development in research of supercapacitors and the electrode materials of supercapacitor devices have been reviewed.Because ordered mesoporous carbon CMK-3 exhibit high specific area and highly ordered pore structure, three kinds of nanostructured composites were prepared by using CMK-3 as the supporter and an attempt was made to apply the mass active [...]
Research on Application of Conducting Polyaniline in Supercapacitor
Supercapacitors have been recognized as new electrochemical energy storage devices which performance between the rechargeable batteries and the typical dielectric capacitors. The performances of supercapacitors are mainly determined by electrode materials which include carbon materials, metal oxides and conducting polymers and so on. In the family of conducting polymer, however, the conducting polyaniline (PANI) has [...]
Study on Polythionphene/Polyaniline/Active Carbon Composites as Electrode Materials in Supercapacitors
The supercapacitor called double-layer capacitor is a new type environement friendly energy storage device. The supercapacitor have many good characteristics as high energy density, high power density, long cycle life and less pollution. According to lately research, electrode material mainly includes carbon material, metal oxide, conducting polymer and various kinds of composite materials. Among these [...]
Preparation and Studies on Capacitance Performance of Manganites and Doped Manganites
Supercapacitors, regarded as energy storage components developed in the 1970′s, when work with batteries, could meet the high power output need of electric vehicles when starting-up or speeding up because their power density could be ten times higher than that of batteries and their energy density could be ten times higher than that of electrostatic [...]
Synthesis of Li4Ti5O12 Anode Material and Characterization of Hybrid Supercapacitors
Spinel Li4Ti5O12 is a new promising anode material for lithium-ion batteries and supercapacitors. This material has many advantageous properties compared with other anode materials. Spinel Li4Ti5O12 has high specific capacity and excellent cyclability, and importantly, it is very safe when used as electrode material in lithium-ion batteries and supercapacitors. Howerver, due to the low electronic [...]
Preparation and Polymerization Mechanism Research of Electrodeposited Polyaniline in Organic System
Among the conductive polymer, due to polyaniline has the properties of structure diversification, higher conductivity, cheap monomer, easy polymerization good chemical stability, unique doped phenomenon, excellent electrochromic property, reversible oxidation reducible, photoelectric property, nonlinear optical, volume potential responsiveness, it become the hotspot research in conductive polymer field. In this thesis, we have prepared pure PANI [...]
Study of Mesoporous Carbon as Electrode Material for Supercapacitors
Supercapacitor is a new type of energy storage devices. The latest development in both theoretical and applicational research of the electrode materials for supercapacitor devices have been reviewed in this thesis. Furthermore, mesoporous carbon and manganese dioxide material was fabricated. Supercapacitor was mainly characterized by high charge-discharge efficiency and rates. Meanwhile, defect of low energy [...]
Synthesis of PANI and PANI/MnO2 Composite as Supercapacitor Electrode Materials by Oxidation Process with Oxidant of MnO2
In this paper, MnO2 was used as the template and the oxidant to prepare PANI （MnO2 template could be spontaneously removed after the reaction） and MnO2/PANI composite （MnO2 is the supercapacitor electrode material） which show excellent electrochemical property. The structure were analyzed by XRD, SEM, FT-IR, EDS, BET and XPS, and the supercapacitive behaviors of [...]