Abstract: A gas purification apparatus, highly purifying gas containing salt derived from molten salt stored in a vessel (10), is provided with a reflux mechanism (35, 42) liquefying the salt, contained in the gas, for return to the molten salt in the vessel, and a filtration mechanism (39, 44) disposed in an exhaust flow path of the gas on a downstream stage of the reflux mechanism.

Abstract: A gas purification apparatus, highly purifying gas containing salt derived from molten salt stored in a vessel (10), is provided with a reflux mechanism (35, 42) liquefying the salt, contained in the gas, for return to the molten salt in the vessel, and a filtration mechanism (39, 44) disposed in an exhaust flow path of the gas on a downstream stage of the reflux mechanism.

Abstract: To provide a non-aqueous electrolytic solution for an electric double layer capacitor excellent in low-temperature characteristics, which solution has from 15 to 40 mass % of an electrolyte, more than 30 mass % and at most 45 mass % of a fluorobenzene represented by the following formula 1, and from 15 to 55 mass % of a cyclic carbonate represented by the formula 2: in the formula 1, n is an integer of from 1 to 6, and in the formula 2, each of R1 and R2 which are independent of each other, is a hydrogen atom or a methyl group.

Abstract: To provide a non-aqueous electrolytic solution for an electric double layer capacitor excellent in low-temperature characteristics. A non-aqueous electrolytic solution for an electric double layer capacitor comprising from 15 to 40 mass % of an electrolyte, more than 30 mass % and at most 45 mass % of a fluorobenzene represented by the following formula 1, and from 15 to 55 mass % of a cyclic carbonate represented by the formula 2: in the formula 1, n is an integer of from 1 to 6, and in the formula 2, each of R1 and R2 which are independent of each other, is a hydrogen atom or a methyl group.

Abstract: A storage device, which has a simple structure and a low connection resistance and is robust, and which is ease to mount is provided. In the storage device, an L-shaped aluminum busbar 157 protrudes from the center of the top of a sealing plate 41 to the right. The busbar 157 has a barrel portion 157a and a projecting part 157b horizontally protruding from the top end of the barrel portion 157a. A terminal hole 159 is made in an end of the projecting part 157b, so that the positive electrode of another unitary cell to be connected in series can be connected. The barrel portion 157a of the busbar 157 is welded to the sealing plate 41, and the length of the projecting part 257b is minimized. Accordingly, the device is robust and has a low resistance, and consequently can deal with a large current.

Abstract: A storage device, which has a simple structure and a low connection resistance and is robust, and which is ease to mount is provided. In the storage device, an L-shaped aluminum busbar 157 protrudes from the center of the top of a sealing plate 41 to the right. The busbar 157 has a barrel portion 157a and a projecting part 157b horizontally protruding from the top end of the barrel portion 157a. A terminal hole 159 is made in an end of the projecting part 157b, so that the positive electrode of another unitary cell to be connected in series can be connected. The barrel portion 157a of the busbar 157 is welded to the sealing plate 41, and the length of the projecting part 257b is minimized. Accordingly, the device is robust and has a low resistance, and consequently can deal with a large current.

Abstract: An electric double layer capacitor capable of preventing leakage of an electrolytic solution from the inside and interfusion of unnecessary material from the outside, and capable of forming insulation between a terminal and an outer casing, is provided. A lower-insulation ring 131 is fit into a terminal 112 until the lower-insulation ring comes in the upper side of a flange portion 113. Then, the terminal 112 in this state is inserted into a center of the through hole 111a of a sealing plate 111 from the inside of an outer casing 121. Then, an O-ring 133 is press fit into a spacing 135 formed by a cylindrical portion 112a and the through hole 111a. Further, an upper-side insulation ring 137 is fit to the upper side of this press fit O-ring 133. Then, a setting spring 139 is attached to the terminal 112 so as to press down the upper-side insulation ring 137.

Abstract: To provide an electric double layer capacitor having a low resistance, a high withstanding voltage and an excellent low-temperature characteristic. This object is achieved by employing, for an electric double layer capacitor having a pair of polarized electrodes and an electrolytic solution capable of forming an electric double layer at the interface with the polarized electrodes, an electrolytic solution containing as an electrolyte a salt represented by the formula 1, and as solvents at least (1) a chain carbonate having at most 5 carbon atoms, (2) sulfolane or its derivative and (3) a fluorobenzene: wherein each of R1 and R2 which are independent of each other, is a C1-4 alkyl group, and X? is an anion.

Abstract: The present invention provides a capacitor which can reduce resistances from an element assembly to terminals, which can reduce inductance, and which can reduce time for producing the element assembly even in a case where the terminal is provided only on one side of an outer casing. The element assembly 101 is formed by winding electrode bodies 103A and 103 so that end strip portions 108A and 108B of the respective electrode bodies 103A and 103B protrude on the other side from each other from separators 5A and 5B along the longitudinal directions of the separators 5A and 5B. From both ends of spiral shape of the element assembly 101, end strip portions 108A and 108B of the electrode bodies 103A and 103B are independently exposed, and to the end strip portions 108A and 108B, current collector plates 141A and 141B are bonded respectively.

Abstract: An electric double layer capacitor capable of preventing leakage of an electrolytic solution from the inside and interfusion of unnecessary material from the outside, and capable of forming insulation between a terminal and an outer casing, is provided. A lower-insulation ring 131 is fit into a terminal 112 until the lower-insulation ring comes in the upper side of a flange portion 113. Then, the terminal 112 in this state is inserted into a center of the through hole 111a of a sealing plate 111 from the inside of an outer casing 121. Then, an O-ring 133 is press fit into a spacing 135 formed by a cylindrical portion 112a and the through hole 111a. Further, an upper-side insulation ring 137 is fit to the upper side of this press fit O-ring 133. Then, a setting spring 139 is attached to the terminal 112 so as to press down the upper-side insulation ring 137.

Abstract: To provide an electric double layer capacitor having a low resistance, a high withstanding voltage and an excellent low-temperature characteristic. This object is achieved by employing, for an electric double layer capacitor having a pair of polarized electrodes and an electrolytic solution capable of forming an electric double layer at the interface with the polarized electrodes, an electrolytic solution containing as an electrolyte a salt represented by the formula 1, and as solvents at least (1) a chain carbonate having at most 5 carbon atoms, (2) sulfolane or its derivative and (3) a fluorobenzene: herein each of R1 and R2 which are independent of each other, is a C1-4 alkyl group, and X? is an anion.

Abstract: An internet moving image linking system is provided that can reduce link information necessary for the related information in a moving image linkage. The internet moving image linking system includes a server and a user terminal. The server has means for judging the presence or absence of a link destination based on point time information and point coordinate information each transmitted from the user terminal.

Abstract: An electric double layer capacitor includes, contained in a casing, an electrolyte and positive and negative electrodes each containing carbon black, to form an electric double layer at the interface with the electrolyte, and a separator interposed between the positive electrode and the negative electrode. At least one electrode of the positive electrode and the negative electrode has protruded portions or bent portions formed continuously in the height direction against the bottom face of the casing. Further, a space due to the height of the protruded portions or the bent portions is formed between the at least one electrode and the separator.

Abstract: An electric double layer capacitor includes, contained in a casing, an electrolyte, a positive electrode and a negative electrode each being an electrode containing carbon black, to form an electric double layer at the interface with the electrolyte, and a separator interposed between the positive electrode and the negative electrode. At least one electrode of the positive electrode and the negative electrode has protruded portions or bent portions formed continuously in the height direction against the bottom face of the casing. Further, a space due to the height of the protruded portions or the bent portions is formed between the at least one electrode and the separator.

Abstract: An electrochemical device comprises a pair of electrodes having electrode layers formed on strip-like collectors except on their strip-like portions along a longitudinal side of the strip-like collectors; strip-like separators insulating these; two collector plates connected to the strip-like portions; a case accommodating these; a lid for sealing the case; a pair of terminals connected to the collector plates and being connectable to an outside of the case. The pair of terminals is respectively connected to the lid and the case, and the pair of electrodes are wound interposing the separators therebetween, and the strip-like portions are located on both end surfaces. The electrochemical device has high volume density and low internal resistance and it can be manufactured in short time.

Abstract: An electric double layer capacitor having a pair of polarized electrodes and an electrolytic solution capable of forming an electric double layer at the interface with the polarized electrodes, wherein the electrolytic solution is an organic electrolytic solution containing a fluorobenzene of the formula 1: wherein n is an integer of from 1 to 6.

Abstract: An electric double layer capacitor including a positive electrode assembly and a negative electrode assembly, each electrode assembly having a porous layer including a carbonaceous powder and a fluorine-containing polymer formed on at least one side of an aluminum foil current collector, the positive electrode and the negative electrode being disposed so that the porous layer of the positive electrode assembly and the porous layer of the negative electrode assembly face each other with a separator interposed therebetween to form an element, the element being impregnated with a non-aqueous electrolyte and accommodated in a sealed container, wherein the thickness of the porous layer is from 80 to 200 &mgr;m, the thickness of the aluminum foil current collector is from 20 to 80 &mgr;m, the thickness of the separator is from 30 to 170 &mgr;m, and the density of the porous layer is from 0.50 to 0.

Abstract: An electric double layer capacitor having contained in a casing an electrolyte, a positive electrode and a negative electrode each being an electrode containing carbon black, to form an electric double layer at the interface with the electrolyte, and a separator interposed between the positive electrode and the negative electrode, wherein at least one electrode of the positive electrode and the negative electrode has protruded portions or bent portions formed continuously in the height direction against the bottom face of the casing, and a space due to the height of the protruded portions or the bent portions is formed between said at least one electrode and the separator.

Abstract: An electric double layer capacitor having a pair of polarized electrodes and an electrolytic solution capable of forming an electric double layer at the interface with the polarized electrodes, wherein the electrolytic solution contains a salt of the Formula 1 as the electrolyte and at least dimethyl carbonate as a solvent: R1R2R3R4N+X−  Formula 1 wherein R1 is a n-propyl group and each of R2, R3 and R4 which are independent of one another, is a methyl group or an ethyl group, provided that two selected from R1 to R4 may together form a tetramethylene group, and X− is an anion.

Abstract: A laminated electric double layer capacitor module having electrode assemblies with positive and negative electrodes disposed to face each other, an ion permeable separator disposed between adjacent electrode assemblies so as to separate respective electrode layers from each other, a metal current collector plate for the positive electrodes, and a metal current collector plate for the negative electrodes, an electrolyte, and a module case. The electrode assemblies, the separators, and the current collector plates for the positive and negative electrodes are integrated into a laminated assembly of the capacitor module. A plurality of laminated assemblies are accommodated in a plurality of element compartments and electrically connected in series.