Abstract: Provided a catalyst for OER/ORR, including: an alloy oxide core having a particle size of 30 to 40 nm; and a carbon layer having a thickness of 1 to 7 nm, which is coated on a surface of the alloy oxide core, wherein the alloy oxide is a ternary to quinary alloy oxide, and the metal element contained in the alloy oxide is a transition metal element. Also provided is a method for preparing catalysts for OER/ORR by an electrospinning process. Accordingly, the prepared catalyst has excellent OER and ORR characteristics.

Abstract: Provided is a high entropy composite oxide of formula ([M1]pMnqFexCryNiz)3O4 having a spinel crystal, wherein the [M1], p, q, x, y and z are as defined in the specification. A method for producing the high entropy composite oxide, and anode materials including the same are further provided. With the entropy stabilization effect and plenty of oxygen vacancies, the anode materials including the high entropy composite oxide show the advantage of high Li+ transport rate, high electric capacity, redox durability, and good cycling stability, thereby having a bright prospect for application.

Abstract: Provided is a high-entropy composite glycerate represented by NiCrFeCoMn(C3H5O4)n and an electrocatalyst thereof, wherein n is a positive integer from 1 to 3, and wherein each of the Ni, Cr, Fe, Co and Mn includes an atom percent of 5 to 35 based on the total amount of the Ni, Cr, Fe, Co and Mn. Each of the metals is homogenously distributed within the high-entropy composite glycerate, and the high-entropy composite glycerate can reduce an overpotential for oxygen evolution reaction by the synergistic effect resulting from the structure formed by the quinary-metal glycerate. The high-entropy composite glycerate is suitable for catalyzing oxygen evolution reaction, and therefore has a prospect for application. Methods for preparing the high-entropy composite glycerate are also provided.

Abstract: Provided is a high-entropy composite glycerate represented by NiCrFeCoMn(C3H5O4)n and an electrocatalyst thereof, wherein n is a positive integer from 1 to 3, and wherein each of the Ni, Cr, Fe, Co and Mn includes an atom percent of 5 to 35 based on the total amount of the Ni, Cr, Fe, Co and Mn. Each of the metals is homogenously distributed within the high-entropy composite glycerate, and the high-entropy composite glycerate can reduce an overpotential for oxygen evolution reaction by the synergistic effect resulting from the structure formed by the quinary-metal glycerate. The high-entropy composite glycerate is suitable for catalyzing oxygen evolution reaction, and therefore has a prospect for application. Methods for preparing the high-entropy composite glycerate are also provided.

Abstract: Provided is a high entropy composite oxide of formula ([M1]pMnqFexCryNiz)3O4 having a spinel crystal, wherein the [M1], p, q, x, y and z are as defined in the specification. A method for producing the high entropy composite oxide, and anode materials including the same are further provided. With the entropy stabilization effect and plenty of oxygen vacancies, the anode materials including the high entropy composite oxide show the advantage of high Li+ transport rate, high electric capacity, redox durability, and good cycling stability, thereby having a bright prospect for application.

Abstract: The present invention provides a color film and a method of forming the same. In some embodiments, only one titanium target is used, and a flowrate of nitrogen gas, a working pressure, a sputtering power and a sputtering time are adjusted, so as to form single-layered titanium oxynitride color films having different colors and thicknesses. The color film has satisfactory adhesivity, a flat surface and metallic luster.

Abstract: The present invention provides a color film and a method of forming the same. In some embodiments, only one titanium target is used, and a flowrate of nitrogen gas, a working pressure, a sputtering power and a sputtering time are adjusted, so as to form single-layered titanium oxynitride color films having different colors and thicknesses. The color film has satisfactory adhesivity, a flat surface and metallic luster.

Abstract: The present invention relates to an photoelectrode and the preparation method thereof, wherein said photoelectrode comprises a substrate and a titania layer composed of a mesoporous titania bead having a diameter of 200-1000 nm, specific surface area of 50-100 m2/g, porosity of 40-60%, pore radius of 5-20 nm, pore volume of 0.20-0.30 cm3/g, and the titania comprised in the bead is anatase titania.

Abstract: The present invention relates to an photoelectrode and the preparation method thereof, wherein said photoelectrode comprises a substrate and a titania layer composed of a mesoporous titania bead having a diameter of 200-1000 nm, specific surface area of 50-100 m2/g, porosity of 40-60%, pore radius of 5-20 nm, pore volume of 0.20-0.30 cm3/g, and the titania comprised in the bead is anatase titania.

Abstract: The present invention relates to a mesoporous titania bead and the preparation method thereof, wherein said mesoporous titania bead has a diameter of 200-1000 nm, specific surface area of 50-100 m2/g, porosity of 40-60%, pore radius of 5-20 nm, pore volume of 0.20-0.30 cm3/g, and the titania comprised in the bead is anatase titania.

Abstract: A method for fabricating a continuous vapor grown carbon fiber, comprising: (a) providing a substrate which has a catalyst on its surface; (b) placing said substrate in a furnace; (c) loading said furnace with hydrogen, ammonia, or combinations thereof; (d) adjusting a temperature of said furnace to 400° C. to 900° C. to proceed heat treatment for 10 minutes to 2 hours; (e) adding a carbon-containing compound into said furnace; (f) adjusting the ratio of said carbon-containing compound and said hydrogen, ammonia, or combinations thereof; (g) adjusting the temperature of said furnace to 500° C. to 1200° C. to crack said carbon-containing compound, and thereby form a carbon fiber.

Abstract: The present invention relates to a conductive composition, comprising: poly-(3,4-ethylenedioxythiophene): poly-(styrenesulfonic acid); and a surfactant; in which the surfactant has a concentration of 1 to 10% by weight based on the total weight of the composition, and the conductive composition does not comprise any metal component. The present invention also relates to a cathode catalyst layer prepared by said conductive composition, and a method for preparing a cathode catalyst layer with said conductive composition.

Abstract: The present invention provides a flexible dye-sensitized solar cell, comprising: an anode, which is a photoelectrode comprising a substrate covered with an electrophoretically deposited TiO2 film; a cathode; and a gel-electrolyte. Particularly, the present invention provides a solar cell comprising a photoanode prepared by the following steps: (a) preparing a TiO2 suspension fluid comprising TiO2, acetylacetone and anhydrous ethanol; (b) preparing a charge solution comprising iodine, ketone and deionized water; (c) mixing said TiO2 suspension fluid and said charge solution to obtain an electrophoresis suspension; (d) soaking a substrate and a cathode into the electrophoresis suspension and proceeding electrophoresis to obtain an TiO2 deposited substrate, in which said substrate and said cathode are flexible; (e) heating the TiO2 deposited substrate; and (f) compressing the heated TiO2 substrate to obtain the photoanode.

Abstract: The present invention provides a binder-free process for preparing a photoanode of flexible dye-sensitized solar cell, comprising: (a) preparing a TiO2 suspension fluid comprising TiO2, acetylacetone and anhydrous ethanol; (b) preparing a charge solution comprising iodine, ketone and deionized water; (c) mixing said TiO2 suspension fluid and said charge solution to obtain an electrophoresis suspension; (d) soaking a substrate and a cathode into the electrophoresis suspension and proceeding electrophoresis to obtain an TiO2 deposited substrate, in which said substrate and said cathode are flexible; (e) heating the TiO2 deposited substrate; and (f) compressing the heated TiO2 substrate to obtain the photoanode.

Abstract: The present invention relates to a mesoporous titania bead and the preparation method thereof, wherein said mesoporous titania bead has a diameter of 200-1000 nm, specific surface area of 50-100 m2/g, porosity of 40-60%, pore radius of 5-20 nm, pore volume of 0.20-0.30 cm3/g, and the titania comprised in the bead is anatase titania.

Abstract: The present invention relates to a mesoporous titania bead and the preparation method thereof, wherein said mesoporous titania bead has a diameter of 200-1000 nm, specific surface area of 50-100 m2/g, porosity of 40-60%, pore radius of 5-20 nm, pore volume of 0.20-0.30 cm3/g, and the titania comprised in the bead is anatase titania.

Abstract: The present invention relates to a method for preparing graphene oxide with high yield, in which the yield is increased by controlling the amount and addition rate of each component.

Abstract: A method for fabricating a continuous vapor grown carbon fiber mat including: (a) providing a substrate which has a catalyst on its surface; (b) placing the substrate in a furnace; (c) introducing hydrogen, ammonia, or combinations thereof into the furnace; (d) adjusting a temperature of the furnace to 400° C. to 900° C. to proceed heat treatment for 15 to 90 minutes; (e) adding a carbon-containing compound into the furnace and adjusting the ratio of the carbon-containing compound and the hydrogen, ammonia, or combinations thereof; (f) adjusting the temperature of the furnace to 600° C. to 1200° C. to crack the carbon-containing compound, and thereby forming a carbon fiber mat, where time for reaction is 1 to 3 hours. A continuous vapor grown carbon fiber mat and a graphitized carbon fiber mat are also provided.

Abstract: A method for fabricating a continuous vapor grown carbon fiber mat including: (a) providing a substrate which has a catalyst on its surface; (b) placing the substrate in a furnace; (c) introducing hydrogen, ammonia, or combinations thereof into the furnace; (d) adjusting a temperature of the furnace to 400° C. to 900° C. to proceed heat treatment for 15 to 90 minutes; (e) adding a carbon-containing compound into the furnace and adjusting the ratio of the carbon-containing compound and the hydrogen, ammonia, or combinations thereof; (f) adjusting the temperature of the furnace to 600° C. to 1200° C. to crack the carbon-containing compound, and thereby forming a carbon fiber mat, where time for reaction is 1 to 3 hours. A continuous vapor grown carbon fiber mat and a graphitized carbon fiber mat are also provided.

Abstract: The present invention relates to an photoelectrode and the preparation method thereof, wherein said photoelectrode comprises a substrate and a titania layer composed of a mesoporous titania bead having a diameter of 200-1000 nm, specific surface area of 50-100 m2/g, porosity of 40-60%, pore radius of 5-20 nm, pore volume of 0.20-0.30 cm3/g, and the titania comprised in the bead is anatase titania.