Asahi Glass Company, Limited

Other

Nec Corporation

Mitsubishi Petrochemical Company Limited

Toshiba Battery Co., Ltd.

Elna Co., Ltd.

Kinotech Solar Energy Corporation

Katsuji Ikeda

Kazuya Hiratsuka

Takeshi Kawasato

Manabu Suhara

Naoki Yoshida

Yoshihiro Hozumi

Takeshi Morimoto

Yoshiaki Higuchi

Naruaki Tomita

Masami Kashihara

Yasuo Shinozaki

Takamichi Ishikawa

Satoru Kuroki

Sadao Kanetoku

Tomonori Aoki

Kenji Tsuchiya

Hiroshi Yui

Mitsutaka Miyabayashi

Yoshinori Takeuchi

Makoto Inoue

Kuniaki Inada

Masaaki Iosaki

Kosuke Sumikura

Toshifumi Nishii

Hiroyoshi Nose

Shinji Matsumoto

Karl Ludger Neumann

Makato Inoue

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

Gas purification apparatus and related method

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 Rand Rwhich are independent of each other, is a hydrogen atom or a methyl group.

Non-aqueous electrolytic solution for electric double layer capacitor and electric double layer capacitor using the same

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 busbarprotrudes from the center of the top of a sealing plateto the right. The busbarhas a barrel portionand a projecting parthorizontally protruding from the top end of the barrel portion. A terminal holeis made in an end of the projecting part, so that the positive electrode of another unitary cell to be connected in series can be connected. The barrel portionof the busbaris welded to the sealing plateand the length of the projecting partis minimized. Accordingly, the device is robust and has a low resistance, and consequently can deal with a large current.

Storage device

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 ringis fit into a terminaluntil the lower-insulation ring comes in the upper side of a flange portionThen, the terminalin this state is inserted into a center of the through holeof a sealing platefrom the inside of an outer casingThen, an O-ringis press fit into a spacingformed by a cylindrical portionand the through hole. Further, an upper-side insulation ringis fit to the upper side of this press fit O-ringThen, a setting springis attached to the terminalso as to press down the upper-side insulation ring

Electric double layer capacitor

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 Rand Rwhich are independent of each other, is a Calkyl group, and Xis an anion.

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.

Internet moving image linking system and link recognition method

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.

Electric double layer capacitor and process for its production

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.

Electrochemical device comprising a pair of electrodes and an electrolyte

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.

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 0.80 g/cm , wherein the capacitor has such a structure that a plurality of the positive electrode assemblies and the negative electrode assemblies are alternately laminated with a separator interposed therebetween, or strip positive electrode assemblies and negative electrode assemblies are wound with a separator interposed therebetween.

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.

Laminated electric double layer capacitor module

A process for producing a carbon material for an electric double layer capacitor electrode, including activating a graphitizable carbon or a graphitizable carbon source to have its pore volume in the range of 0.6 to 1.5 cm /g, and imparting mechanical impact force to the graphitizable carbon or the graphitizable carbon source activated in the activating step to reduce the pore volume to at most 75% of that before the mechanical impact force is imparted.

PROCESS FOR PRODUCING A CARBON MATERIAL FOR AN ELECTRIC DOUBLE LAYER CAPACITOR ELECTRODE, AND PROCESSES FOR PRODUCING AN ELECTRIC DOUBLE LAYER CAPACITOR ELECTRODE AND AN ELECTRIC DOUBLE LAYER CAPACITOR EMPLOYING IT

The invention relates to a non-aqueous electric double layer capacitor which has a high power output, a high energy density, and has excellent voltage-retention properties.

An electric double layer capacitor having an element impregnated with a non-aqueous electrolyte, said element comprising positive and negative electrodes made of carbonaceous electrodes, and a separator interposed between the electrodes, wherein said separator is made of paper prepared to contain at least 50 wt % of fibers obtained by beating regenerated cellulose fibers.

Growing community of inventors

Yokohama, Japan

Katsuji Ikeda