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| Number | Title | Issue Date |
| 8163426 | Polysiloxane-based compound for electrolyte of lithium secondary battery, organic electrolyte solution including the polysiloxane-based compound, and lithium battery using the solution An additive for an electrolyte of a lithium secondary battery, the additive including a polysiloxane-based compound represented by Formula 1 below: In formula 1 R1, R2, R3, A1, A | 04/24/2012 |
| 8153306 | Organic electrolyte for lithium-ion battery and lithium-ion battery comprising the same Disclosed are an organic electrolyte for a lithium-ion battery and a lithium-ion battery comprising the same, wherein the electrolyte includes a base electrolyte containing a lithium salt dissolved in an organic solvent, and diphenyloctyl phosphate added thereto in ... | 04/10/2012 |
| 8142936 | Non-aqueous electrolyte and lithium secondary battery using the same The present invention relates to a nonaqueous electrolyte solution containing new additives and a lithium secondary battery including the same. More particularly, the invention relates to a nonaqueous electrolyte solution containing a lithium salt, an electrolyte co... | 03/27/2012 |
| 8124282 | Nonaqueous electrolyte having maleimide additives and secondary cells employing the same A nonaqueous electrolyte having maleimide additives and rechargeable cells employing the same are provided. The nonaqueous electrolyte having maleimide additives comprises an alkali metal electrolyte, a nonaqueous solvent, and maleimide additives. Specifically, the ... | 02/28/2012 |
| 8101302 | Redox shuttles for high voltage cathodes Overcharge protection is provided for rechargeable electrochemical lithium-ion cells. The electrolyte in the provided cells contains a cyclable redox shuttle molecule that can operate in cells with high voltage cathode materials. ... | 01/24/2012 |
| 8026007 | Crosslinked polymer electrolyte and use thereof A polymer electrolyte composition characterized by comprising: (1) a crosslinked material of a polyether binary copolymer which has a main chain comprising repeating units represented by the formula (i) and crosslinking units represented by the formula (ii) and whic... | 09/27/2011 |
| 7989110 | Reinforced ionic conducting material, use thereof in electrodes and electrolytes The invention relates to a solid ionic conducting material which can be used as an electrolyte or as a component of a composite electrode. The material comprises a polymer matrix, at least one ionic species and at least one reinforcing agent. The polymer matrix is a... | 08/02/2011 |
| 7968234 | Non-aqueous electrolyte and lithium secondary battery comprising same An electrolyte for a lithium secondary battery includes lithium salts, a non-aqueous organic solvent, and additive compounds, which initiates decomposition at 4V to 5V and show a constant current maintenance plateau region of more than or equal to 0.5V at measuremen... | 06/28/2011 |
| 7968247 | High temperature fuel cell using alkyl phosphoric acid Provided are a polymer electrolyte membrane and a fuel cell including the same. The polymer electrolyte membrane has a phosphoric acid that is substituted with an aliphatic hydrocarbon. The polymer electrolyte membrane has excellent ion conductivity, heat resistance... | 06/28/2011 |
| 7951494 | Solid electrolyte with high ion-conductivity and method for manufacturing the same, and electrochemical system using solid electrolyte The present invention provides a solid electrolyte with high ion-conductivity which is cheap and exhibits high conductivity in an alkaline form, and stably keeps high conductivity because of a small amount of the leak of a compound bearing conductivity even in a wet... | 05/31/2011 |
| 7879499 | 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 ... | 02/01/2011 |
| 7858241 | Nonaqueous electrolyte for lithium secondary battery and lithium secondary batter using the same A nonaqueous electrolyte for a lithium secondary battery and a lithium secondary battery including the same are provided. In particular, the nonaqueous electrolyte comprises a compound of chemical formula 1 as an electrolyte additive: NC—(R1) | 12/28/2010 |
| 7842431 | Mixture, cation conductor and electrochemical device using those A mixture, cation conductor and electrochemical device using same are provided. The mixture and a cation conductor, in which cations can be moved without humidification even in a range of temperatures less than or equal to the boiling point of water, or an electroch... | 11/30/2010 |
| 7790322 | Additive mixture for electrolyte of lithium ion secondary battery and electrolyte of lithium ion secondary battery comprising the same Disclosed herewith are an additive mixture for the electrolyte of lithium ion secondary batteries and electrolyte of lithium ion secondary batteries comprising the said additive mixture. The additive mixture comprises biphenyl based compound 0.5-95.4 wt %, cyclohexy... | 09/07/2010 |
| 7745055 | Electrolyte for rechargeable lithium battery and rechargeable lithium battery comprising same Disclosed is an electrolyte for a rechargeable lithium battery including: a first additive having an oxidation potential of 4.1 to 4.6V; a second additive having an oxidation potential of 4.4 to 5.0V; a non-aqueous organic solvent; and a lithium salt. ... | 06/29/2010 |
| 7745054 | Non-aqueous electrolyte and lithium secondary battery comprising same An electrolyte for a lithium secondary battery includes lithium salts, a non-aqueous organic solvent, and additive compounds, which initiates decomposition at 4V to 5V and show a constant current maintenance plateau region of more than or equal to 0.5V at measuremen... | 06/29/2010 |
| 7745056 | Electrolyte for lithium secondary battery comprising chelating agent and lithium secondary battery using the same Disclosed herein is an electrolyte for lithium secondary batteries comprising: a chelating agent, which forms complexes with transition metal ions in the battery, and at the same time does not react and coordinate with lithium ions; a non-aqueous solvent; and an ele... | 06/29/2010 |
| 7732099 | Composite polymer electrolyte composition A totally solid polymer electrolyte composition with high ionic conductivity and enhanced mechanical properties is provided. This electrolyte composition is produced by polymerizing a monomer composition comprising a molten quaternary ammonium salt having a polymeri... | 06/08/2010 |
| 7700241 | Polymer electrolyte; and an electrochemical device equipped with such a polymer electrolyte Disclosed is a polymer electrolyte for use in an electrochemical device. Said polymer electrolyte comprises at least one polymer having ion-exchangeable functional groups. The polymer also comprises ionic liquid functional groups. The ion-exchangeable functional gro... | 04/20/2010 |
| 7700242 | Type of mixed additives and electrolyte for lithium-ion secondary batteries using such mixed additives This invention discloses a type of mixed additives for electrolyte of lithium-ion secondary batteries, having the following characteristics: in weight percentage: biphenyl series: 0.5% to 95.4%; cyclohexylbenzene series: 1.1% to 93.8%; vinylene carbonate: 0.4% to 93... | 04/20/2010 |
| 7638242 | Polymer electrolyte composition for rechargeable lithium battery and rechargeable lithium battery including the same A polymer electrolyte composition for a rechargeable lithium battery includes an acrylate-based polymer, a lactone-based compound having an alkyl substituent, a non-aqueous organic solvent, and a lithium salt. The electrolyte for a rechargeable lithium battery of th... | 12/29/2009 |
| 7618749 | Electrolyte for lithium battery and lithium battery comprising same An electrolyte for a lithium battery includes a non-aqueous organic solvent, a lithium salt, and an additive comprising a) a compound represented by the following Formula (1), and b) a compound selected from the group consisting of a sulfone-based compound, a poly(e... | 11/17/2009 |
| 7615316 | Nonaqueous electrolytic solution and lithium secondary batteries In order to manufacture a lithium secondary battery having excellent performances in safety under overcharge condition, cycle property, electric capacity, and storage endurance, 0.1 wt. % to 10 wt. % of a tert-alkylbenzene compound is favorably incorporated into a n... | 11/10/2009 |
| 7598002 | Enhanced electrochemical cells with solid-electrolyte interphase promoters An electrochemical cell with an alkali metal containing anode having high discharge capacity, charge efficiency and low self-discharge. The addition of at least one nitramide or dinitramide salt of a metal cation to the electrochemical cell electrolyte unexpectedly ... | 10/06/2009 |
| 7553588 | Non-aqueous electrolyte and a lithium secondary battery comprising the same An electrolyte for a lithium secondary battery includes lithium salts, a non-aqueous organic solvent, and additive compounds. The additive compounds added to the electrolyte of the present invention decompose earlier than the organic solvent to form a conductive pol... | 06/30/2009 |
| 7425388 | Electrolyte for a lithium battery and a lithium battery comprising the same An electrolyte for a lithium battery includes a non-aqueous organic solvent, a lithium salt, and an additive comprising a) a sulfone-based compound and b) a C3 to C30 organic peroxide or azo-based compound. The electrolyte may further include a... | 09/16/2008 |
| 7402361 | Ion conductor structural body and process for producing ion conductor structural body An ion conductor structural body having a high ion conductivity and excellent mechanical strength, principally comprising is provided. This ion conductor structural body includes (a) a polymer matrix; (b) a solvent capable of functioning as a plasticizer; and (c) an... | 07/22/2008 |
| 7399556 | Lithium cationic single-ion conducting filler-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 in which a composite polymer matrix multi-layer structure composed of a plurality of polymer matrices with different pore sizes is impregnated with an electrolyte solution, and a method of ... | 07/15/2008 |
| 7396615 | Method for production of polyelectrolyte membranes and fuel cell A method for producing a polyelectrolyte membrane, including the step of immersing a basic polymer such as a polybenzimidazole in a strong acid having a concentration sufficient to impregnate the basic polymer with six or more strong acid molecules per polymer repea... | 07/08/2008 |
| 7390336 | Polyimide-based lithium metal battery The present invention relates to Lithium Metal batteries. In particular, it is related to lithium metal batteries containing a polyimide-based electrolyte. The present invention concerns a new concept of polyimide-based electrolytic component having an electrolyte c... | 06/24/2008 |
| 7377948 | Layered electrochemical cell and manufacturing method therefor Methods of the present invention are provided for forming a plurality of electrochemical cell layers, each cell layer generally including a pair of electrodes and a separator electrically insulating the pair of electrodes. Cells of a desired size are formed by slici... | 05/27/2008 |
| 7378194 | Materials useful as electrolytic solutes The invention concerns novel ionic compounds with low melting point whereof the onium type cation having at least a heteroatom such as N, O, S or P bearing the positive charge and whereof the anion includes, wholly or partially, at least an ion imidide such as (FX | 05/27/2008 |
| 7354531 | Polymer electrolyte composition A composition for use as a polymer electrolyte, wherein said composition includes one or more polar materials and one or more polyesters of formula III, wherein each unit A may be identical or different and is of the struct... | 04/08/2008 |
| 7348102 | Corrosion protection using carbon coated electron collector for lithium-ion battery with molten salt electrolyte A battery, such as a lithium-ion battery, comprises a first electrode, a second electrode, a molten salt electrolyte, and an electron collector, associated with the first electrode, the electron collector comprising an electrically conducting film. The battery furth... | 03/25/2008 |
| 7314686 | Electrolytic orthoborate salts for lithium batteries Orthoborate salts suitable for use as electrolytes in lithium batteries and methods for making the electrolyte salts are provided. The electrolytic salts have one of the formulae (I). In this formula anionic orthoborate groups are capped with two bidentate chelating... | 01/01/2008 |
| 7314514 | Electrolyte for an energy storage device The invention relates to energy storage devices such as capacitors and supercapacitors and non-aqueous solvent systems suitable for use as an electrolyte solvent therein. Devices incorporating the solvent system are suitable for use in, for example, wireless devices... | 01/01/2008 |
| 7312977 | Solid electrolytic capacitor An anode foil and a cathode foil which has an oxidation film layer on the surface are separated by a separator and wound to form a capacitor element and then anodic forming is performed on this capacitor element. Next, the capacitor element is immersed in a solution... | 12/25/2007 |
| 7309548 | Lithium secondary battery A lithium secondary battery comprising a positive electrode, a negative electrode, and a nonaqueous electrolyte, wherein the positive electrode or the negative electrode is an electrode obtained by depositing a thin film of active material capable of lithium storage... | 12/18/2007 |
| 7282291 | Water free proton conducting membranes based on poly-4-vinylpyridinebisulfate for fuel cells Disclosed are methods for forming a water-free electrolyte membrane useful in fuel cells. Also provided is a water-free electrolyte membrane comprising a quaternized amine salt including poly-4-vinylpyridinebisulfate, a poly-4-vinylpyridinebisulfate silica composite... | 10/16/2007 |
| 7273503 | Lithium polymer secondary battery and method for manufacturing the same A lithium polymer secondary cell having a negative electrode, a positive electrode and, arranged between the electrodes, a polymer electrolyte layer, characterized in that the cell has been subjected to a heat treatment at a temperature of 40 to 60° C. after the as... | 09/25/2007 |
