Abstract: A composition and a method for preparing the same are provided. The method for preparing the composition includes providing a polyethylene terephthalate waste. The polyethylene terephthalate waste is subjected to a depolymerization in the presence of a catalyst and an alcoholysis agent to obtain a mixture, wherein an oxidizing atmosphere is continuously introduced into the depolymerization. The mixture is subjected to a solid-liquid separation to obtain a solid. The solid is subjected to a purification to obtain the composition.

Abstract: A hot box device and an operating method thereof are provided. The hot box device includes a first shell, a reformer, a burner, and a cathode inlet pipe. The first shell has a first cavity. The reformer is disposed in the first cavity. The burner is disposed in the reformer and has an opening. The cathode inlet pipe is disposed in the first cavity and extends through the first shell. The cathode inlet pipe is in fluid communication with the first cavity, and the opening of the burner is in fluid communication with the first cavity.

Abstract: A vinyl-containing copolymer is copolymerized from (a) first compound, (b) second compound, and (c) third compound. (a) First compound is an aromatic compound having a single vinyl group. (b) Second compound is polybutadiene or polybutadiene-styrene having side vinyl groups. (c) Third compound is an acrylate compound. The vinyl-containing copolymer includes 0.003 mol/g to 0.010 mol/g of benzene ring, 0.0005 mol/g to 0.008 mol/g of vinyl group, and 1.2*10?5 mol/g to 2.4*10?4 mol/g of ester group.

Abstract: The disclosure provides a nozzle for combustion and reforming reaction including a fuel pipe, a reformer, an activation pipe, an activation catalyst, and a reformation catalyst. The fuel pipe includes an annular wall and an end wall connected to an end of the annular wall. The fuel pipe has at least one vent hole penetrating through the annular wall and at least one outlet penetrating through the end wall. The reformer is disposed in the fuel pipe. The activation pipe is disposed in the fuel pipe and disposed through the reformer. A distance between the activation pipe and the outlet is larger than a distance between the vent hole and the outlet. The activation catalyst is arranged in the activation pipe. The reformation catalyst is arranged in the reformer and located outside the activation pipe. The disclosure also provides a combustor and a fuel cell system having the nozzle.

Abstract: A high-temperature flow-splitting component, applicable to a temperature range from a first temperature to a second temperature, includes an entrance channel, at least one primary channel and at least one subordinate channel. The entrance channel is used for introducing a fluid at a total flow rate. The at least one primary channel for introducing the fluid from the entrance channel at a first flow rate is connected with the entrance channel by a first angle ranging from 90°˜270°. The at least one subordinate channel for introducing the fluid from the entrance channel at a second flow rate is connected with the at least one primary channel by a second angle ranging from 30°˜150°. A sum of the first flow rate and the second flow rate is equal to the total flow rate.

Abstract: An oligomer includes a repeating unit and a repeating unit or a combination thereof. The repeating number of the repeating unit (a) and the repeating number of the repeating unit (b1), (b2), or a combination thereof have a ratio of 1:1 to 20:1. Each Q is independently substituted or unsubstituted aliphatic group, cycloaliphatic group, aromatic group, or siloxane group. X can be and Y can be or a combination thereof, and Z can be or a combination thereof.

Abstract: The disclosure provides a nozzle for combustion and reforming reaction including a fuel pipe, a reformer, an activation pipe, an activation catalyst, and a reformation catalyst. The fuel pipe includes an annular wall and an end wall connected to an end of the annular wall. The fuel pipe has at least one vent hole penetrating through the annular wall and at least one outlet penetrating through the end wall. The reformer is disposed in the fuel pipe. The activation pipe is disposed in the fuel pipe and disposed through the reformer. A distance between the activation pipe and the outlet is larger than a distance between the vent hole and the outlet. The activation catalyst is arranged in the activation pipe. The reformation catalyst is arranged in the reformer and located outside the activation pipe. The disclosure also provides a combustor and a fuel cell system having the nozzle.

Abstract: A metal-ion secondary battery is provided. The metal-ion secondary battery includes a positive electrode. The positive electrode includes at least one current-collecting layer and at least one active layer, wherein the current-collecting layer and the active layer are mutually stacked, and the current-collecting layer has at least one first through-hole.

Abstract: A controlling device of a fuel cell system with multiple stack towers and a controlling method thereof are provided. The controlling device comprises a temperature sensing equipment, a processor and a pulse width modulation circuit. The fuel cell system comprises multiple fuel cell stacks. The controlling method further comprises: calculating an average temperature of the fuel cell stacks based on the temperatures of the fuel cell stacks by the temperature sensing equipment; determining whether differences between the average temperature and the temperatures of the fuel cell stacks fall within a preset range of average temperature difference by the processor, and adjusting an output current of at least one of the fuel cell stacks by the pulse width modulation circuit commanded by the processor when the difference between the average temperature and the temperature of the at least one fuel cell stack falls outside the preset range of average temperature difference.

Abstract: A high-temperature flow-splitting component, applicable to a temperature range from a first temperature to a second temperature, includes an entrance channel, at least one primary channel and at least one subordinate channel. The entrance channel is used for introducing a fluid at a total flow rate. The at least one primary channel for introducing the fluid from the entrance channel at a first flow rate is connected with the entrance channel by a first angle ranging from 90°˜270°. The at least one subordinate channel for introducing the fluid from the entrance channel at a second flow rate is connected with the at least one primary channel by a second angle ranging from 30°˜150°. A sum of the first flow rate and the second flow rate is equal to the total flow rate.

Abstract: An electrode and a device employing the same are provided. The electrode includes a main body, and an active material. The main body includes a cavity and is made of a conductive network structure. In particular, the active material is disposed in the cavity, wherein the length of the longest side of the particle of the active material is greater than the length of the longest side of the pore of the conductive network structure such that the active material is confined in the conductive network structure.

Abstract: An electrolyte composition and an energy storage device employing the same are provided. The electrolyte composition includes a solid and a solution. The solid includes a core and a metal layer encapsulating the core, where the metal layer is selected from a group consisting of Zn, Al, Mg, Li, Na and the metal oxides thereof. In particular, the solid has a first density and the solution has a second density, and the ratio between the first density and the second density is from about 0.97 to 1.03.

Abstract: A controlling device of a fuel cell system with multiple stack towers and a controlling method thereof are provided. The controlling device comprises a temperature sensing equipment, a processor and a pulse width modulation circuit. The fuel cell system comprises multiple fuel cell stacks. The controlling method further comprises: calculating an average temperature of the fuel cell stacks based on the temperatures of the fuel cell stacks by the temperature sensing equipment; determining whether differences between the average temperature and the temperatures of the fuel cell stacks fall within a preset range of average temperature difference by the processor, and adjusting an output current of at least one of the fuel cell stacks by the pulse width modulation circuit commanded by the processor when the difference between the average temperature and the temperature of the at least one fuel cell stack falls outside the preset range of average temperature difference.

Abstract: An electrolyte composition and a metal-ion battery employing the same are provided. The electrolyte composition includes a metal chloride, a chlorine-containing ionic liquid, and an additive, wherein the additive has a structure represented by Formula (I) [M]i[(A(SO2CxF2x+1)y)b?]j??Formula (I), wherein M can be imidazolium cation, ammonium cation, azaannulenium cation, . . . etc., wherein M has a valence of a; a can be 1, 2, or 3; A can be N, O, Si, or C; x can be 1, 2, 3, 4, 5, or 6; y can be 1, 2, or 3; b can be 1, 2, or 3; i can be 1, 2, or 3; j can be 1, 2, or 3; a/b=j/i; and when y is 2 or 3, the (SO2CxF2x+1) moieties are the same or different.

Abstract: An electrode and a device employing the same are provided. The electrode can include a metal network structure, and a hollow active material network structure. In particularly, the metal network structure is disposed in the hollow active material network structure. The weight ratio of the metal network structure to the hollow active material network structure is from 0.5 to 155.

Abstract: An electrolyte composition and a sodium secondary battery are provided. The electrolyte composition includes an alcohol compound and a metallic salt, wherein the metallic salt consists of a sodium salt formed. The sodium secondary battery includes the electrolyte composition, a positive electrode, a negative electrode, and a separator disposed between the positive electrode and the negative electrode.

Abstract: An electrode and a device employing the same are provided. The electrode includes a main body, and an active material. The main body includes a cavity and is made of a conductive network structure. In particular, the active material is disposed in the cavity, wherein the length of the longest side of the particle of the active material is greater than the length of the longest side of the pore of the conductive network structure such that the active material is confined in the conductive network structure.

Abstract: A metal-ion secondary battery is provided. The metal-ion secondary battery includes a positive electrode. The positive electrode includes at least one current-collecting layer and at least one active layer, wherein the current-collecting layer and the active layer are mutually stacked, and the current-collecting layer has at least one first through-hole.

Abstract: An electrolyte composition and a metal-ion battery employing the same are provided. The electrolyte composition includes a metal chloride, a chlorine-containing ionic liquid, and an additive, wherein the additive has a structure represented by Formula (I) [M]i[(A(SO2CxF2x+1)y)b?]j??Formula (I) , wherein M can be imidazolium cation, ammonium cation, azaannulenium cation, . . . etc., wherein M has a valence of a; a can be 1, 2, or 3; A can be N, O, Si, or C; x can be 1, 2, 3, 4, 5, or 6; y can be 1, 2, or 3; b can be 1, 2, or 3; i can be 1, 2, or 3; j can be 1, 2, or 3; a/b=j/i; and when y is 2 or 3, the (SO2CxF2x+1) moieties are the same or different.

Abstract: An electrolyte composition and a sodium secondary battery are provided. The electrolyte composition includes an alcohol compound and a metallic salt, wherein the metallic salt consists of a sodium salt formed. The sodium secondary battery includes the electrolyte composition, a positive electrode, a negative electrode, and a separator disposed between the positive electrode and the negative electrode.