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| Number | Title | Issue Date |
| 8026008 | Lithium secondary battery with improved cell characteristics Disclosed herein is a lithium secondary cell including 20 to 100 wt. % of lithium transition metal oxide represented by a formula of Li1+zNibMncMe1−(b+c)O2, relative to a total amount of a cathode active mater... | 09/27/2011 |
| 7807301 | Lithium battery Disclosed is a lithium battery including a silicon negative electrode, a lithium mixed metal oxide positive electrode, a separator disposed between the negative and positive electrodes to define a reservoir region, an electrolytic solution filled in the reservoir re... | 10/05/2010 |
| 7592102 | Electrolyte for lithium ion secondary battery and lithium ion secondary battery comprising the same An electrolyte for a lithium ion secondary battery includes a non-aqueous organic solvent; lithium salt; and difluoro oxalato borate and fluoro ethylene carbonate (FEC). The capacity retention property and durability of a lithium ion secondary battery including the ... | 09/22/2009 |
| 7419747 | Electrolyte for secondary battery and secondary battery using same An electrolyte for a secondary battery containing an aprotic solvent which contains at least imide anion, transition metal ion and a compound containing a sulfonyl group in an aprotic solvent 15. The electrolyte has the performance such as the excellent energ... | 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 |
| 7416817 | Battery The invention provides a battery which can improve cycle characteristics by forming a more stable and stronger film on the surface of an anode active material layer. A cathode and an anode are layered with a separator in between. The anode has an anode collector and... | 08/26/2008 |
| 7399554 | Hybrid rechargeable battery having high power and high energy density lithium cells A hybrid rechargeable lithium battery, which includes a plurality of high power rechargeable cells, having nano-particles therein, and high energy density rechargeable cells, with the high energy cells recharging the high power cells. The battery preferably includes... | 07/15/2008 |
| 7387852 | Polymer electrolyte and lithium battery using the same A polymer electrolyte extends the cycle life, improves the safety, and reduces the swelling of a battery, compared with a polymer electrolyte containing a poly(alkylene oxide) polymer. Also, a lithium battery utilizes the polymer electrolyte. The polymer electrolyte... | 06/17/2008 |
| 7368097 | Preparation of nanocrystalline lithium titanate spinels Process for preparing nanocrystalline lithium titanate spinels by reacting lithium hydroxide and a titanium alkoxide at elevated temperature in a reaction mixture which forms water of reaction. ... | 05/06/2008 |
| 7300722 | Lithium battery containing bismuth metal oxide A battery includes a cathode having an oxide containing one or more metals and pentavalent bismuth, an anode including lithium, a separator between the cathode and the anode, and an electrolyte. The metal(s) can be an alkali metal, an alkaline earth metal, a transit... | 11/27/2007 |
| 7285356 | Non-aqueous electrochemical cells Electrochemical cells are disclosed. In some embodiments, an electrochemical cell includes a cathode having less than about 2,000 ppm of water, an anode, and an electrolyte having a first lithium salt and LiPF6. ... | 10/23/2007 |
| 7279249 | Organic electrolytic solution and lithium battery employing the same An organic electrolytic solution containing an organic solvent and a compound that contains an anionic polymerization monomer with an added component capable of being chelated with a lithium metal cation. A lithium battery may utilize the organic electrolytic soluti... | 10/09/2007 |
| 7255963 | Non-aqueous electrolyte rechargeable battery A non-aqueous electrolyte rechargeable battery including: (a) a positive electrode capable of charging and discharging lithium; (b) a negative electrode capable of charging and discharging lithium; (c) a separator or a lithium ion conductive layer interposed between... | 08/14/2007 |
| 7255965 | Non-aqueous electrolytic solution The use of lithium bis(oxalate)borate (LiBOB) as an additive in a lithium secondary battery provides improved battery performance such as long life and high capacity retention after high temperature storage. ... | 08/14/2007 |
| 7229717 | Anode active material and battery using it A battery with a high capacity and superior cycle characteristics, and an anode active material used for it are provided. An anode active material contains tin as a first element, a second element, and a third element. The second element is at least one from the gro... | 06/12/2007 |
| 7229713 | Electrode and battery using the same Provided are an electrode and a battery having superior charge-discharge cycle characteristics and capable of obtaining a higher energy density. The battery comprises a spirally wound electrode body (20) including a cathode (21) and an anode (22... | 06/12/2007 |
| 7223500 | Non-aqueous electrolyte and a lithium secondary battery comprising the same An electrolyte of a lithium secondary battery includes lithium salts, an organic solvent with a high boiling point, and a carbonate-based additive compound having substituents selected from the group consisting of a halogen, a cyano (CN), and a nitro (NO2... | 05/29/2007 |
| 7189479 | Phototool coating A phototool having a fluorinated phosph(on)ate coating and methods of using the phototool. ... | 03/13/2007 |
| 7172837 | Nonaqueous electrolyte secondary battery having a negative electrode containing carbon fibers and carbon flakes A nonaqueous electrolyte secondary battery is provided with a positive electrode including a positive-electrode active material, a negative electrode including a negative-electrode active material, and a nonaqueous electrolyte solution. The negative electrode furthe... | 02/06/2007 |
| 7160648 | Polymer electrolyte composition for improving overcharge safety and lithium battery using the same A polymer electrolyte composition for improving overcharge safety and a lithium battery using the same are provided. The polymer electrolyte composition includes acrylate, epoxy or isocyanate at both of its terminals, and includes a compound containing an aromatic g... | 01/09/2007 |
| 7150944 | Non-aqueous electrolyte compositions and lithium secondary batteries made thereof Disclosed are non-aqueous electrolyte compositions of the present invention that comprise non-aqueous solvents and monomers such as aniline, phenanthrene, ethylenedioxythiophene, benzothiophene or derivatives thereof. The monomers are contained in the electrolytes o... | 12/19/2006 |
| 7150941 | Secondary battery Provided is a secondary battery in which high energy density can be obtained and charging/discharging cycle characteristic can be improved. A positive electrode (13) and a negative electrode (15) are stacked with a separator (16) interposed ther... | 12/19/2006 |
| 7141334 | Negative electrode for lithium secondary battery and lithium secondary battery A negative electrode for a lithium secondary battery obtained by providing an active material layer containing particles of an active material and a binder on a surface of a current collector which is an electrically conductive metal foil, and sintering the layer un... | 11/28/2006 |
| 7132199 | Non-aqueous electrolyte and non-aqueous electrolyte secondary battery A non-aqueous electrolyte containing propylene carbonate and 1,3-propanesultone as additives can reduce the amount of a gas evolved during storage at a high temperature of a non-aqueous electrolyte secondary cell comprising the electrolyte, a non-aqueous electrolyte... | 11/07/2006 |
| 7128968 | Biaxially oriented polyester film which is matt on one side, process for its production and its use Biaxially oriented polyester films which have at least one polyester-containing base layer (B) and at least one matt overlayer (A), the overlayer (A) comprising particles, preferably SiO2, which have a median diameter of from 2 to 10 μm and have a SPAN98... | 10/31/2006 |
| 7125631 | Lithium salt, ionic conductor and liquid electrolyte Disclosed are a lithium salt expressed by a formula, LiAlXn(OY)4-n, where “X” is an electrophilic substituent group and “Y” is an oligoether group, an ionic conductor with the lithium salt dispersed in a structural member, and a liquid ... | 10/24/2006 |
| 7110243 | Electric double layer capacitor An electric double layer capacitor comprises a pair of polarizable electrodes impregnated with an electrolytic solution comprising an organic solvent and a supporting electrolyte dissolved in the organic solvent, and a gasket comprising a fluororesin. The organic so... | 09/19/2006 |
| 7097673 | Coating edge control Described are methods and products prepared from the methods, each of which include methods of coating certain materials onto a substrate, including coating a coating material and an edge material onto the substrate in a manner which may provide an improved thicknes... | 08/29/2006 |
| 7097944 | Nonaqueous secondary cell A nonaqueous secondary cell including the following elements: a positive electrode capable of absorbing and releasing lithium; a negative electrode capable of absorbing and releasing lithium; and a nonaqueous electrolyte including a nonaqueoous solvent and a lithium... | 08/29/2006 |
| 7094465 | Multilayer, transparent, biaxially oriented polyester film, process for its production and its use The invention relates to a multilayer, transparent, biaxially oriented polyester film having at least one base layer B composed of a thermoplastic polyester, at least one overlayer A coextruded on the base layer B and at least one acrylic coating D which is applied ... | 08/22/2006 |
| 7087346 | Alkali/transition metal phosphates and related electrode active materials Electrode active materials comprising lithium or other alkali metals, a transition metal, and a phosphate or similar moiety, of the formula: Aa+xMbP1−xSixO4 wherein ... | 08/08/2006 |
| 7083878 | Nonaqueous electrolytic solution and lithium secondary battery An object of the invention is to provide such a battery that has a high capacity, is excellent in storage characteristics, cycle characteristics and continuous charging characteristics, and is small in gas generation amount, whereby size reduction and improvement in... | 08/01/2006 |
| 7049032 | Secondary power source A secondary power source comprising a positive electrode made mainly of activated carbon, a negative electrode made mainly of a carbon material capable of doping and undoping lithium ions and an organic electrolyte containing a solute of a lithium salt, wherein the ... | 05/23/2006 |
| 7042615 | Electrochromic devices based on lithium insertion Electrochromic devices having as an active electrode materials comprising Sb, Bi, Si, Ge, Sn, Te, N, P, As, Ga, In, Al, C, Pb, I and chalcogenides are disclosed. The addition of other metals, i.e. Ag and Cu to the active electrode further enhances performance. ... | 05/09/2006 |
| 7022290 | System structure for in situ x-ray study of electrochemical cell component performance A structural system for accurately reproducible in situ x-ray studies of operating rechargeable electrochemical battery cell electrode components comprises an hermetically sealed cell component enclosure incorporating an x-ray transmissive window member of beryllium... | 04/04/2006 |
| 7019494 | Methods of charging lithium sulfur cells Disclosed is a method of charging a lithium-sulfur electrochemical cell wherein the lithium-sulfur cell comprises a cathode comprising an electroactive sulfur-containing material, an anode comprising lithium, and a nonaqueous electrolyte. ... | 03/28/2006 |
| 7008728 | Non-aqueous electrolyte for lithium secondary battery and lithium secondary battery comprising same An electrolyte for a lithium secondary battery is provided. The electrolyte includes a lithium salt, a non-aqueous organic solvent, and a compound represented by Formula (1): wherein R1, R2, and R | 03/07/2006 |
| 6958198 | Non-aqueous electrochemical apparatus The invention relates to a non-aqueous electrochemical apparatus in which the difference (γl−γse) between the surface tension γl of non-aqueous electrolyte and the surface free energy γse of electrode is not more than 10 dynes/cm. ... | 10/25/2005 |
| 6942949 | Rechargeable lithium electrochemical cell A secondary battery is comprised of a positive electrode, a negative electrode formed from a lithium storage material, and a non-aqueous electrolyte. The non-aqueous electrolyte includes a lithium salt, non-aqueous aprotic solvent(s), such as ethylen carbonate, prop... | 09/13/2005 |
| 6921612 | Nonaqueous electrolyte composition for improving overcharge safety and lithium battery using the same Provided are a nonaqueous electrolyte for improving overcharge safety and a lithium battery using the same. The nonaqueous electrolyte according to the present invention forms a polymer due to its oxidative decomposition even if there is an increase in voltage due t... | 07/26/2005 |
