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| Number | Title | Issue Date |
| 7935445 | Lithium ion secondary battery A lithium ion secondary battery includes: (a) a positive electrode plate comprising an active material part and a current collector carrying the active material part, the active material part comprising a positive electrode active material capable of absorbing or de... | 05/03/2011 |
| 7419744 | Nonaqueous electrolyte secondary battery and battery pack A nonaqueous electrolyte secondary battery includes a positive electrode, a negative electrode, and a nonaqueous electrolyte. The negative electrode contains an active material providing a working potential which is nobler by at least 0.5V than a lithium metal poten... | 09/02/2008 |
| 7416813 | Lithium secondary battery A lithium secondary battery is provided with a positive electrode, a negative electrode, and a non-aqueous electrolyte prepared by dissolving a solute in a non-aqueous solvent wherein a positive electrode active material of said positive electrode is composed of lit... | 08/26/2008 |
| RE40302 | Polyelectrolyte, non-aqueous electrolyte, and electrical device containing the same Provided are a polymeric electrolyte or a nonaqueous electrolyte that can improve a transport rate of charge carrier ions by adding a compound having boron atoms in the structure, preferably one or more selected from the group consisting of compounds represented by ... | 05/06/2008 |
| 7335448 | Lithium ion secondary battery A lithium ion secondary battery includes: (a) a positive electrode plate comprising an active material part and a current collector carrying the active material part, the active material part comprising a positive electrode active material capable of absorbing or de... | 02/26/2008 |
| 7235331 | Semi-Interpenetrating polymer network electrolyte, process for producing the same and battery using the same An electrolyte with high ion conductivity, a process for producing the same and a battery using the same, and a compound for the electrolyte. The electrolyte is set between a negative electrode and a positive electrode. The electrolyte includes a first polymer compo... | 06/26/2007 |
| 7211352 | Single ion conductor-containing composite polymer electrolyte for lithium secondary battery and method of manufacturing the same Provided are a composite polymer electrolyte for a lithium secondary battery that includes a composite polymer matrix structure having a single ion conductor-containing polymer matrix to enhance ionic conductivity and a method of manufacturing the same. The composit... | 05/01/2007 |
| 7070706 | Composition of nano-tube composite polymer electrolyte and fabrication method thereof This invention pertains to the composition and method for fabricating nano-tube composite polymer electrolyte. The composite polymer electrolyte is made by blending suitable amount of highly dispersed, nano-tube, such as titanium dioxide (TiO2), with high... | 07/04/2006 |
| 7026911 | Point contact array, not circuit, and electronic circuit comprising the same A point contact array, including plural point contacts electrically and reversibly controlling conductance between electrodes and being applicable to an arithmetic circuit, a logic circuit, a memory device, a NOT circuit, and an electronic circuit including the same... | 04/11/2006 |
| 6934144 | Capacitor and method of manufacturing the same To provide a capacitor capable of utilizing carbon nanotube characteristics effectively to obtain excellent electric or mechanical characteristics, and a method of manufacturing the same. The capacitor is characterized by including two opposing electrodes, at least ... | 08/23/2005 |
| 6893774 | Fluoroalkylphosphate salts, and process for the preparation of these substances Fluoroalkylphosphate salts of Formula I, described herein, are suitable for use, alone or in mixtures with, e.g., other salts, in electrolytes, primary batteries, secondary batteries, capacitors, supercapacitors or galvanic cells. ... | 05/17/2005 |
| 6878492 | Polymerizable composition and use thereof The present invention provides a solid polymer electrolyte; a polymerizable composition having low viscosity and excellent processability for obtaining the solid polymer electrolyte; and a polymerizable compound having low viscosity, and good polymerizability and st... | 04/12/2005 |
| 6866965 | Polymeric electrolyte and lithium battery employing the same A polymeric electrolyte and a lithium battery lithium employing the same. The polymeric electrolyte includes a cross-linked polyether urethane prepared by reacting a pre-polymer having a polyethylene oxide backbone and terminated with NCO, with a cross-linking agent... | 03/15/2005 |
| 6858346 | Salts of alkali metals of N, N′ disubstituted amides of alkane sulfinic acid and nonaqueous electrolytes on their basis An organic salt having an alkali metal bound to a disubstituted amide of alkane iminosulfinic acid has the following general formula: where Ar is an aromatic group, M is an alkali metal such as Li, K or Na, and Cx... | 02/22/2005 |
| 6815123 | Lithium-ion battery using heat-activatable microporous membrane The present application discloses a lithium-ion battery using heat-activatable microporous membrane which comprises a hot-melt adhesive, an engineering plastics, a tackifier and a filler. It also discloses methods of preparing such microporous membrane and the lithi... | 11/09/2004 |
| 6794089 | Nonaqueous electrolyte and nonaqueous electrolyte secondary battery Disclosed is a nonaqueous electrolyte comprising a nonaqueous solvent which contains ethylene carbonate (EC), propylene carbonate (PC), γ-butyrolactone (BL), and a fourth component, which is a solvent other than the EC, PC and BL, and the mixing ratio x (% by volum... | 09/21/2004 |
| 6767671 | Non-aqueous electrolytic solution and secondary battery containing same A non-aqueous electrolytic solution capable of depressing deterioration of battery properties in a high temperature environment is provided. A secondary battery is also provided. The non-aqueous electrolytic solution containing at least an organic solvent and a lith... | 07/27/2004 |
| 6759170 | Organic carbonate additives for nonaqueous electrolyte rechargeable electrochemical cells A lithium ion electrochemical cell having high charge/discharge capacity, long cycle life and exhibiting a reduced first cycle irreversible capacity, is described. The stated benefits are realized by the addition of at least one carbonate additive to an electrolyte ... | 07/06/2004 |
| 6743549 | Nonaqueous electrolyte lithium secondary batteries This invention relates to electrolyte solution compositions useful in lithium-ion batteries. These electrolytes feature lower volatility than solutions known in the art while retaining excellent battery performance using graphite based negative electrode active mate... | 06/01/2004 |
| 6727024 | Polyalkylene oxide polymer composition for solid polymer electrolytes The present invention relates to a polyalkylene oxide based polymer composition for solid polymer electrolytes having superior mechanical properties and ionic conductivity by comprising a cross-linking agent with at least two functional groups of phenyl alkyleneglyc... | 04/27/2004 |
| 6713215 | Non-aqueous electrolyte rechargeable batteries A non-aqueous electrolyte rechargeable battery is resistant to the reflow temperature during reflow soldering. The non-aqueous electrolyte rechargeable battery has a positive electrode having an active material comprised of an oxide of molybdenum, a negative electro... | 03/30/2004 |
| 6709789 | Non-aqueous electrochemical cell Nonaqueous electrochemical cell (9) with a negative electrode (4), an electrolytic solution and a positive electrode (3). The operational safety is increased by the fact that the cell contains a salt (10) in solid state in the area of at ... | 03/23/2004 |
| 6699622 | Solid or gel electrolyte and battery using the same Disclosed is an electrolyte capable of obtaining an excellent quality of electrolyte, and a battery using the electrolyte. A battery device in which a positive electrode and a negative electrode are stacked with a separator being interposed therebetween i... | 03/02/2004 |
| 6696200 | Lithium battery with boron-containing electrode A lithium battery comprising a positive electrode, a negative electrode, and a nonaqueous electrolyte containing a lithium trifluoromethanesulfonimide solute and a solvent, wherein the positive electrode comprises a positive-electrode active material of ... | 02/24/2004 |
| 6682823 | Curable composition for polymer electrolyte It is the object of the present invention to provide a curable composition capable of giving a polymer electrolyte showing a high level of ionic conductivity and excellent mechanical strength as well. The invention provides a curable composition for polym... | 01/27/2004 |
| 6680149 | Solid polymer electrolytes using polyether poly (N-substituted urethane) The present invention relates to a solid polymer electrolyte of polyether poly(N-substituted urethane) comprising an electrolytic compound and a polymer matrix, wherein the polymer matrix is a copolymer comprising polyether unit and polyurethane unit and ... | 01/20/2004 |
| 6673495 | Polyelectrolyte, non-aqueous electrolyte, and electrical device containing the same Provided are a polymeric electrolyte or a nonaqueous electrolyte that can improve a transport rate of charge carrier ions by adding a compound having boron atoms in the structure, preferably one or more selected from the group consisting of compounds repr... | 01/06/2004 |
| 6664006 | All-solid-state electrochemical device and method of manufacturing All-solid-state electrochemical cells and batteries employing very thin film, highly conductive polymeric electrolyte and very thin electrode structures are disclosed, along with economical and high-speed methods of manufacturing. A preferred embodiment i... | 12/16/2003 |
| 6656634 | Non-aqueous electrolytic secondary cell A non-aqueous electrolytic cell having a positive electrode, which has a positive electrode active material layer containing, at least a positive electrode active material; a negative electrode, which has a negative electrode active material layer contain... | 12/02/2003 |
| 6649307 | Non-aqueous electrolyte secondary cell The present invention provides a non-aqueous electrolyte secondary cell including: a cathode containing a manganese oxide or a lithium-manganese composite oxide; an anode containing a lithium metal, a lithium alloy, or a material capable of doping/dedopin... | 11/18/2003 |
| 6645675 | Solid polymer electrolytes A wide range of solid polymer electrolytes characterized by high ionic conductivity at room temperature, and below, are disclosed. These all-solid-state polymer electrolytes are suitable for use in electrochemical cells and batteries. A preferred polymer ... | 11/11/2003 |
| 6645670 | Efficient cell stack for cells with double current collectors sandwich cathodes The present invention improves the performance of lithium electrochemical cells by providing a new electrode assembly based on a sandwich cathode design, but termed a double screen sandwich cathode electrode design. In particular, the present invention us... | 11/11/2003 |
| 6641953 | Secondary cell with high rate pulse capability A rechargeable lithium-ion cell capable of being discharged to deliver high power pulses sufficient for implantable defibrillation applications and the like, is described. The cell is housed in a casing having an external volume of 5 cm3, or le... | 11/04/2003 |
| 6641957 | Non-aqueous electrolyte cell The non-aqueous electrolyte battery of the present invention has a negative electrode comprising metallic lithium, a lithium alloy or a material capable of absorbing and desorbing lithium; a positive electrode; a non-aqueous electrolyte comprising a solve... | 11/04/2003 |
| 6632571 | Polymeric gel electrolyte and lithium battery employing the same Provided are a polymeric gel electrolyte comprising a lithium salt, an organic solvent and a thermal curing product of a composition having a terpolymer having a repeating unit represented by formula (1), a repeating unit represented by formula (2) and a ... | 10/14/2003 |
| 6630271 | Electrolyte polymers for lithium rechargeable batteries Use of vinylidenfluoride (VDF) copolymers for preparing electrolyte polymers, wherein the VDF copolymers have the following polymeric structure (I): wherein: Rf is a perfluoroalkyl group having from 1 to 3 carbon atoms; X, Y, and Z equal to ... | 10/07/2003 |
| 6627351 | Non-aqueous electrolyte battery A non-aqueous electrolyte battery free from considerable change in the structure of a positive electrode active material thereof to enlarge the capacity thereof, incorporating a positive electrode containing a positive-electrode active material; a negativ... | 09/30/2003 |
| 6558850 | Method of fabricating an electrolytic cell employing a solid polymer electrolyte A solid polymer electrolyte for an electrolytic cell is prepared by a sol-gel process in which an active metal ion conducting liquid electrolyte, e.g. a lithium-ion electrolyte, containing a salt which is stable in the presence of water, e.g. lithium ... | 05/06/2003 |
| 6503663 | Organic electrolyte and lithium secondary battery An organic electrolyte containing an organic solvent mixture and a lithium salt, wherein the organic solvent mixture includes 20 to 60% by volume of ethylene carbonate, 5 to 30% by volume of polypropylene carbonate, and 20 to 70% by volume of chain carbon... | 01/07/2003 |
| 6444369 | Gelled polymer electrolyte lithium secondary cell The battery of this invention includes a positive electrode including a gelled polymeric electrolyte (A) and using spinel type lithium manganese oxide as an active material; a negative electrode; a gelled polymeric electrolyte (B) in the shape of a film o... | 09/03/2002 |
