About 46 results
https://drivepatents.com/patents/986765 · 18 Sep 2013
A container for a nonaqueous electrolytic solution, containing a material containing an aluminum or aluminum alloy layer, and storing a nonaqueous electrolytic solution containing a nonaqueous solvent having dissolved therein an electrolyte salt, the conta...
https://drivepatents.com/patents/989116 · 3 Jul 2013
The present invention provides an electrode material for a secondary battery wherein the inside and the surface of a lithium-titanium complex oxide is composited with a fine carbon fiber as a network.
https://drivepatents.com/patents/990569 · 22 May 2013
The present invention relates to a method for producing an aqueous polyimide precursor solution composition, comprising reacting a tetracarboxylic dianhydride and a diamine, which has a solubility in water at 25°C of 0.1 g/L or more, in the presence of an...
https://drivepatents.com/patents/991909 · 10 Apr 2013
The present invention provides a nonaqueous electrolytic solution which can improve the electrochemical characteristics in a broad temperature range, an electrochemical element produced by using the same and a sulfonic ester compound having a branched stru...
https://drivepatents.com/patents/992873 · 13 Feb 2013
A porous polyimide film having a three-layer structure that comprises two surface layers (a) and (b) and a macrovoid layer sandwiched between the surfaces layers (a) and (b). The macrovoid layer has a partition wall bonding to the surface layers (a) and (b...
https://drivepatents.com/patents/993078 · 6 Feb 2013
An object of the present invention is to provide a nonaqueous electrolytic solution capable of improving low-temperature load characteristics after high temperature charging storage, an electrochemical element using it, and a 1,2-dioxypropane compound used...
https://drivepatents.com/patents/993699 · 23 Jan 2013
The present invention relates to a binuclear ruthenium complex dye having a higher absorption coefficient and capable of absorbing light of longer wavelength for realizing a photoelectric conversion element and a photochemical cell which may convert solar ...
https://drivepatents.com/patents/995201 · 12 Dec 2012
The present invention provides an excellent nonaqueous electrolytic solution capable of improving low-temperature and high-temperature cycle properties and load characteristics after high-temperature charging storage, an electrochemical element using it, a...
https://drivepatents.com/patents/995718 · 28 Nov 2012
A nonaqueous electrolytic solution capable of improving the low-temperature cycle properties, which is a nonaqueous electrolytic solution of an electrolyte salt dissolved in a nonaqueous solvent, wherein the nonaqueous solvent contains at least two cyclic ...
https://drivepatents.com/patents/999003 · 29 Aug 2012
The present invention relates to a binuclear ruthenium complex dye having a substituted bipyridyl group and represented by the general formula (1): wherein R 1 , R 2 , R 3 and R 4 each independently represents a linear or branched alkyl group having 1 to 3...