نتایج جستجو برای: double layer capacitor
تعداد نتایج: 521200 فیلتر نتایج به سال:
Introduction Electric double layer capacitors (EDLCs) have excellent properties in power density and durability compared with secondary batteries. Recently, development of advanced capacitors with high energy density is active because the storage devices with high power density have huge market in the fields of hybrid vehicles, mobile instruments and so on. The singlewalled carbon nanotubes (SW...
The power of energy storage devices is characterized by capacitance and the internal resistance. measured on an assumption that charges are stored at electrode interface electric double layer behaves like ideal capacitor. However, in most cases, not so a constant phase element (CPE) used instead capacitor to describe practical observations. Nevertheless, another problem with use CPE does give d...
An allomorph MnO₂@MnO₂ core-shell nanostructure was developed via a two-step aqueous reaction method. The data analysis of Scanning Electron Microscopy, Transmission Electron Microscopy, X-Ray Diffraction and N₂ adsorption-desorption isotherms experiments indicated that this unique architecture consisted of a porous layer of amorphous-MnO₂ nano-sheets which were well grown onto the surface of α...
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