摘要:
A proton-conducting membrane, excellent in resistance to heat, durability, dimensional stability and fuel barrier characteristics, and showing excellent proton conductivity at high temperature and a method for producing the same. A proton-conducting membrane includes a carbon-containing compound and inorganic acid, characterized by a phase-separated structure containing a carbon-containing phase containing at least 80% by volume of the carbon-containing compound and inorganic phase containing at least 80% by volume of the inorganic acid, the inorganic phase forming the continuous ion-conducting paths. The method for producing the above proton-conducting membrane includes steps of preparing a mixture of a carbon-containing compound (D) having one or more hydrolyzable silyl groups and inorganic acid (C), forming the above mixture into a film, and hydrolyzing/condensing the hydrolyzable silyl group contained in the mixture formed into the film, to form a three-dimensionally crosslinked silicon-oxygen structure (A). The above proton-conducting membrane is incorporated in a fuel cell.
摘要:
It is an object of the present invention to provide a proton-conducting membrane excellent in resistance to heat and durability and showing excellent proton conductivity at high temperature. It is another object of the present invention to provide a method for producing the same and fuel cell using the same. The present invention provides a proton-conducting membrane, comprising an organic material (A), three-dimensionally crosslinked structure (B) containing a specific metal-oxygen bond, agent (C) for imparting proton conductivity, and water (D), wherein the organic material (A) has a number-average molecular weight of 56 to 30,000, and at least 4 carbon atoms connected in series in the main chain, and the organic material (A) and three-dimensionally crosslinked structure (B) are bound to each other via a covalent bond.
摘要:
A process directed to preparing surfactant-polycrystalline inorganic nanostructured materials having designed microscopic patterns. The process includes forming a polycrystalline inorganic substrate having a flat surface and placing in contact with the flat surface of the substrate a surface having a predetermined microscopic pattern. An acidified aqueous reacting solution is then placed in contact with an edge of the surface having the predetermined microscopic pattern. The solution wicks into the microscopic pattern by capillary action. The reacting solution has an effective amount of a silica source and an effective amount of a surfactant to produce a mesoscopic silica film upon contact of the reacting solution with the flat surface of the polycrystalline inorganic substrate and absorption of the surfactant into the surface. Subsequently an electric field is applied tangentially directed to the surface within the microscopic pattern. The electric field is sufficient to cause electro-osmotic fluid motion and enhanced rates of fossilization by localized Joule heating.
摘要:
An electrode material for an electrochemical device comprising a composite of a particulate conductive material and a metal oxide is prepared by mixing and dispersing the particulate conductive material with a colloidal solution of an oxide of an element in a range of from Group 3 to Group 12 in the fourth, fifth and sixth periods of the Periodic Table and heating the mixture. This composite has a high capacity even at a high current density and good filling properties, and is useful as an electrode material for an electrochemical device such as a lithium secondary battery or an electrochemical capacitor. When the electrode material comprising this composite is used, an electrode can be produced without any binder, and the electrochemical device having good output characteristics can be constructed.
摘要:
A secondary battery charged and discharged even after dissolution. The active material in the cathode body and/or the anode body is a liquid, or the active material undergoes phase transition into a liquid is provided. The secondary battery (1) includes: a cathode collector (2), a cathode body (3), a solid electrolyte (4), an anode body (5), and an anode collector (6). The cathode body and the anode body are sealed by the solid electrolyte, the cathode collector, and/or the anode collector. The cathode body and the anode body preferably contain an active material that undergoes phase transition from a solid to a liquid, or to a phase containing a liquid, due to charge and discharge. The cathode body or the anode body preferably contains a liquid active material. A polymeric layer may be inserted between the cathode body and/or the anode body and the solid electrolyte.
摘要:
A secondary battery charged and discharged even after dissolution. The active material in the cathode body and/or the anode body is a liquid, or the active material undergoes phase transition into a liquid is provided. The secondary battery (1) includes: a cathode collector (2), a cathode body (3), a solid electrolyte (4), an anode body (5), and an anode collector (6). The cathode body and the anode body are sealed by the solid electrolyte, the cathode collector, and/or the anode collector. The cathode body and the anode body preferably contain an active material that undergoes phase transition from a solid to a liquid, or to a phase containing a liquid, due to charge and discharge. The cathode body or the anode body preferably contains a liquid active material. A polymeric layer may be inserted between the cathode body and/or the anode body and the solid electrolyte.
摘要:
A process directed to preparing surfactant-polycrystalline inorganic nanostructured materials having designed microscopic patterns. The process includes forming a polycrystalline inorganic substrate having a flat surface and placing in contact with the flat surface of the substrate a surface having a predetermined microscopic pattern. An acidified aqueous reacting solution is then placed in contact with an edge of the surface having the predetermined microscopic pattern. The solution wicks into the microscopic pattern by capillary action. The reacting solution has an effective amount of a silica source and an effective amount of a surfactant to produce a mesoscopic silica film upon contact of the reacting solution with the flat surface of the polycrystalline inorganic substrate and absorption of the surfactant into the surface. Subsequently an electric field is applied tangentially directed to the surface within the microscopic pattern. The electric field is sufficient to cause electro-osmotic fluid motion and enhanced rates of fossilization by localized Joule heating.
摘要:
A process directed to preparing surfactant-polycrystalline inorganic nanostructured materials having designed microscopic patterns. The process includes forming a polycrystalline inorganic substrate having a flat surface and placing in contact with the flat surface of the substrate a surface having a predetermined microscopic pattern. An acidified aqueous reacting solution is then placed in contact with an edge of the surface having the predetermined microscopic pattern. The solution wicks into the microscopic pattern by capillary action. The reacting solution has an effective amount of a silica source and an effective amount of a surfactant to produce a mesoscopic silica film upon contact of the reacting solution with the flat surface of the polycrystalline inorganic substrate and absorption of the surfactant into the surface. Subsequently an electric field is applied tangentially directed to the surface within the microscopic pattern. The electric field is sufficient to cause electro-osmotic fluid motion and enhanced rates of fossilization by localized Joule heating.
摘要:
A fullerene-dispersed ceramic is produced by an improved method in which C60 or like fullerene, and C16TMA or like surfactant, are dissolved in a solution of metallic compound, such as zirconyl nitrate, to form a colloidal solution. A gel is formed from the colloidal solution by changing its hydrogen ion concentration. The gel is dried and subjected to heat treatment, to eliminate remaining solvent and surfactant, and thereby stably obtain the desired fullerene-dispersed ceramic powder in which the fullerene is uniformly dispersed and which is essentially free from carbon other than fullerene.
摘要:
A process directed to preparing surfactant-polycrystalline inorganic nanostructured materials having designed microscopic patterns. The process includes forming a polycrystalline inorganic substrate having a flat surface and placing in contact with the flat surface of the substrate a surface having a predetermined microscopic pattern. An acidified aqueous reacting solution is then placed in contact with an edge of the surface having the predetermined microscopic pattern. The solution wicks into the microscopic pattern by capillary action. The reacting solution has an effective amount of a silica source and an effective amount of a surfactant to produce a mesoscopic silica film upon contact of the reacting solution with the flat surface of the polycrystalline inorganic substrate and absorption of the surfactant into the surface. Subsequently an electric field is applied tangentially directed to the surface within the microscopic pattern. The electric field is sufficient to cause electro-osmotic fluid motion and enhanced rates of fossilization by localized Joule heating.