Abstract:
PURPOSE: An organic-inorganic composite porous membrane is provided to improve the thermal property in a high temperature while securing a high lithium ion diffusivity in the pore structure, and to enable to assemble a battery with high stability preventing internal short-circuit. CONSTITUTION: An organic-inorganic composite porous membrane includes a porous base material and an inorganic oxide layer coated on the surface of the porous base material and the inside of the pore. The porous base material has 5-95% of porosity. The inorganic oxide layer is coated on the surface of the porous base material and the inside of the pore by nanometer thickness. The inorganic oxide includes at least one selected from the group consisting of inorganic oxides with a permittivity constant of 5 or more, inorganic oxides having a lithium ion transfer capability, and a combination thereof.
Abstract:
PURPOSE: A manufacturing method of an organic-inorganic composite porous separator is provided to improve thermal stability through a solution process using an inorganic precursor and to provide an organic/inorganic composite porous separator capable of being highly charged. CONSTITUTION: A manufacturing method of an organic-inorganic composite porous separator comprises a step of plasma-treating a porous substrate; a step of coating an inorganic precursor to a porous substrate by a solution process; a step of converting the inorganic precursor to an inorganic oxide by energy irradiation. The energy includes heat, plasma, UV, or laser. The inorganic precursor is coated at a nanometer thickness on the surface of the porous substrate and in the pores. The porous substrate has a porosity of 5-95%.
Abstract:
The present invention relates to a gel type polymer electrolyte for dye-sensitized solar cells formed as polymer colloids are gelled by an electrolyte, a dye-sensitized solar cell including the gel type polymer electrolyte, and a method for manufacturing the same. The polymer colloid includes one selected from polystyrene, polyethylene, polypropylene, PVDF, PAN, PEO, and a group combined the same.
Abstract:
PURPOSE: A zirconia nanotube, a manufacturing method thereof, and a manufacturing method of hydrogen through thermochemical water splitting are provided to form zirconia nanotubes through an anodization process in a short period of time. CONSTITUTION: A manufacturing method of a zirconia nanotube comprises the following step: forming zirconia nanotubes through anodization within a halogen-containing electrolyte. The zirconia nanotube is formed into a powdered form. The concentration of the halogen-containing electrolyte is 0.05-0.5 M. The applied electric potential in the anodization is 2-100 V. The anodization is performed for 0.001-120 minutes. The length of the zirconia nanotube is in micrometer units. A manufacturing method of the hydrogen through thermochemical hydrolysis comprises the following step: producing hydrogen by hydrolysis through a thermochemical cycle.