| Entries |
| Document | Title | Date |
|---|
| 20080241704 | Nonaqueous Electrolyte Solution and Lithium Secondary Battery Using Same - The present invention provides a lithium secondary battery having excellent battery characteristics such as battery cycling property, electrical capacity and storage property. | 10-02-2008 |
| 20080248400 | POSITIVE ELECTRODE FOR RECHARGEABLE LITHIUM BATTERY AND RECHARGEABLE LITHIUM BATTERY INCLUDING SAME - A positive electrode includes a current collector and a positive electrode active material layer. The positive electrode active material layer includes a positive electrode active material including a core including a compound Li | 10-09-2008 |
| 20080318136 | NON-AQUEOUS ELECTROLYTES - Non-aqueous electrolytes have poly(ethyleneoxide) siloxane or poly(ethyleneoxide) phosphate, a salt, and an electrode stabilizing additive. Electrochemical cells using such electrolytes may be prepared and exhibit improved charge carrying capacity. | 12-25-2008 |
| 20090053614 | NON-AQUEOUS ELECTROLYTIC SOLUTION SECONDARY BATTERY - A non-aqueous electrolytic solution secondary battery includes a positive electrode containing, as a positive electrode active material, a compound represented by the following general formula, Li | 02-26-2009 |
| 20090087752 | NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY - A non-aqueous electrolyte secondary battery includes a positive electrode containing a positive electrode active material; a negative electrode containing a negative electrode active material; and a non-aqueous electrolyte containing a non-aqueous solvent and an electrolyte salt. In order to improve the high-temperature storage characteristics and safety against overcharge due to high-rate charging of the battery, the positive electrode active material contains a layered lithium-transition metal composite oxide containing at least one of Mg, Al, Ti, and Zr. Furthermore, the non-aqueous electrolyte contains 3 to 80% by mass of a tertiary carboxylic acid ester expressed by Chemical Formula 2 below, based on the total mass of the non-aqueous solvent: | 04-02-2009 |
| 20100028786 | NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY - Provided is a non-aqueous electrolyte secondary battery which has excellent high-temperature cycle characteristics, while maintaining the shutdown response speed of the separator and the overcharge characteristics after many repeated cycles at high temperatures. The battery uses a non-aqueous electrolyte containing a carboxylic acid ester and a nitrile compound, and a separator having a porosity of 28 to 54% and an air permeability of 86 to 450 secs/dl. | 02-04-2010 |
| 20100040955 | ELECTROLYTES FOR LITHIUM ION BATTERIES - A family of electrolytes for use in a lithium ion battery. The genus of electrolytes includes ketone-based solvents, such as, 2,4-dimethyl-3-pentanone; 3,3-dimethyl 2-butanone(pinacolone) and 2-butanone. These solvents can be used in combination with non-Lewis Acid salts, such as Li | 02-18-2010 |
| 20100248040 | NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY AND METHOD OF MANUFACTURING THE SAME - A non-aqueous electrolyte secondary battery is provided that has a high discharge capacity and in which the structure is stable even when lithium is extracted to a high potential so that good cycle performance can be obtained. | 09-30-2010 |
| 20110045360 | LITHIUM ION SECONDARY BATTERY AND METHOD FOR PRODUCING LITHIUM ION SECONDARY BATTERY - The invention relates to a lithium ion secondary battery including: a positive electrode, a negative electrode, a separator disposed between the positive electrode and the negative electrode, and a non-aqueous electrolyte, wherein the non-aqueous electrolyte includes a non-aqueous solvent including a fluoroether, the positive electrode includes a positive electrode current collector and a positive electrode active material layer formed on the surface of the positive electrode current collector, the positive electrode active material layer includes lithium-containing composite oxide particles and a fluororesin, and a coverage of the fluororesin relative to the surface area of the lithium-containing composite oxide particles is 20 to 65%. It is an object of the invention to provide a lithium ion secondary battery that is kept from deteriorating in rate characteristics over time, in particular, from significantly deteriorating in rate characteristics during storage at high temperatures. | 02-24-2011 |
| 20110171539 | Non-Aqueous Electrolyte for a High-Voltage Lithium Battery - The invention relates to a positive electrode/electrolyte pair for lithium batteries operating at a voltage above 4.2 V versus Li+/Li. The electrolyte of the lithium battery used in the invention includes at least a first additive chosen from optionally substituted, cyclic or acyclic, carboxylic or dicarboxylic anhydrides and carboxylic or dicarboxylic acids, and mixtures thereof, and optionally a second additive which is a lithium salt, the total content of additive(s) being greater than or equal to 0.01% by weight and less than or equal to 30% by weight, relative to the total weight of electrolyte, and the positive electrode is made of a material having a spinel structure. The lithium batteries of the invention are applicable in particular in the field of portable equipment, such as telephones, computers, camcorders, cameras and tooling. | 07-14-2011 |
| 20110262817 | LITHIUM ION SECONDARY BATTERY - Disclosed is a lithium ion secondary battery, in which comprises a vinyl alcohol polymer or a derivative thereof in an amount of 0.3 mg or more per 1 mAh of battery capacity in terms of a vinyl alcohol unit moiety content. The lithium ion secondary battery can decrease the battery voltage under high-temperature conditions and cannot be recharged after being exposed to high-temperature conditions. | 10-27-2011 |
| 20110294020 | NEGATIVE ACTIVE MATERIAL FOR A LITHIUM SECONDARY BATTERY, METHOD FOR MANUFACTURING SAME, AND LITHIUM SECONDARY BATTERY COMPRISING SAME - This invention relates to a negative active material for a lithium secondary battery, a method of preparing the same and a lithium secondary battery including the same. This negative active material exhibits high capacity and superior cycle-life characteristics and is thus usefully employed in a lithium secondary battery which shows high capacity during high-rate charge•discharge. | 12-01-2011 |
| 20120100439 | ELECTROLYTE SOLUTION FOR SECONDARY LITHIUM BATTERY AND SECONDARY LITHIUM BATTERY INCLUDING THE ELECTROLYTE SOLUTION - An electrolyte solution for a secondary lithium battery, the electrolyte solution including: a lithium salt, a non-aqueous organic solvent, and a phenanthroline-based compound having a polar substituent. The electrolyte solution enables production of a secondary lithium battery having good high-temperature lifetime characteristics and good high-temperature preservation characteristics. | 04-26-2012 |
| 20120107701 | ELECTROLYTE SOLUTION FOR CHARGEABLE DEVICE, ELECTROLYTE SOLUTION FOR LITHIUM ION SECONDARY BATTERY, AND SECONDARY BATTERY - It is an object to provide, as a nonaqueous electrolyte solution using a solvent comprising a specific compound such as a polyethylene glycol dialkyl ether, an electrolyte solution for a chargeable device and an electrolyte solution for a lithium ion secondary battery exhibiting excellent cycle characteristics, and a secondary battery using the electrolyte solution. | 05-03-2012 |
| 20120115044 | RECHARGEABLE LITHIUM BATTERY - The present invention provides a lithium secondary battery having high-capacity as well as good cycle characteristics. The lithium secondary battery includes a positive electrode comprising a positive active material, a negative electrode comprising a negative active material and an electrolyte. The negative active material includes graphite particles combined to Si particulate. The electrolyte includes a solvent, a polyether modified silicone oil where a linear polyether chain is linked to a polysiloxane chain, and a solute comprising a lithium salt. | 05-10-2012 |
| 20120135318 | POSITIVE ACTIVE MATERIAL FOR RECHARGEABLE LITHIUM BATTERY AND RECHARGEABLE LITHIUM BATTERY COMPRISING SAME - Disclosed is a positive active material for a rechargeable lithium battery, which includes an active material capable of reversibly intercalating/deintercalating lithium and lithium polysulfide. | 05-31-2012 |
| 20120135319 | NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY AND METHOD OF MANUFACTURING THE SAME - A non-aqueous electrolyte secondary battery having a negative electrode, a non-aqueous electrolyte, and a positive electrode having a positive electrode active material comprising sodium oxide, is characterized in that the sodium oxide contains lithium, and the molar amount of the lithium is less than the molar amount of the sodium. | 05-31-2012 |
| 20120148924 | POWER STORAGE DEVICE AND METHOD FOR MANUFACTURING THE POWER STORAGE DEVICE - To provide a power storage device having a solid electrolyte, in which a charge-discharge capacity can be increased, and a method for manufacturing the power storage device. The power storage device includes a positive electrode, a negative electrode, and an electrolyte provided between the positive electrode and the negative electrode, and the electrolyte includes an ion-conductive high molecular compound, an inorganic oxide, and a lithium salt, and the inorganic oxide is included in the electrolyte at more than 30 wt % and 50 wt % or less to the total of the ion-conductive high molecular compound and the inorganic oxide. | 06-14-2012 |
| 20120202125 | RECHARGEABLE LITHIUM BATTERY - The present invention discloses a rechargeable lithium battery including a positive electrode, a negative electrode including lithium titanate represented by Chemical Formula 1, and an electrolyte impregnating the positive and negative electrodes and including a sultone-based compound and maleic anhydride, wherein the sultone-based compound and the maleic anhydride are respectively included in an amount of about 0.5 wt % to about 5 wt % based on the total weight of the electrolyte. Chemical Formula 1: Li | 08-09-2012 |
| 20120231351 | Positive active material for rechargeable lithium battery and recharge lithium battery including the same - A positive active material for a rechargeable lithium battery including a lithium-nickel cobalt manganese composite metal oxide; and 0.18 to 0.25 wt % of sulfur is provided. | 09-13-2012 |
| 20120231352 | AUTOGENIC PRESSURE REACTIONS FOR BATTERY MATERIALS MANUFACTURE - A lithium- or lithium-ion electrochemical cell of the present invention comprises a lithium-containing cathode, an anode, and a non-aqueous lithium-containing electrolyte therebetween; wherein one or more of the anode and/or the cathode comprises at least one particulate carbon material comprising nanoparticles of the surface of individual carbon particles, wherein the nanoparticles are selected from one or more of (a) a metal oxide or sulfide comprising one or more metal ions selected from the group consisting of Ti, Fe, Mn, Co, Ni, Mo, W, In, and Sn; (b) one or more metals selected from the group consisting of Ti, Fe, Co, Mg, Al, Ga, In, and Sn; and (c) one or more metaloid selected from the group consisting of B, Si, Ge, and Sb. | 09-13-2012 |
| 20130130129 | LI-ION BATTERY WITH LOAD LEVELER - An electrochemical cell in one embodiment includes a negative electrode including a form of lithium, a positive electrode spaced apart from the negative electrode, a separator positioned between the negative electrode and the positive electrode, and an electrolyte including a load leveling agent in contact with the negative electrode. | 05-23-2013 |
| 20130202973 | IONIC LIQUIDS FOR BATTERIES - An organic cation for a battery, including a heteroatom-containing cyclic compound having at least (2) ring structures formed from rings that share at least one common atom, the cyclic compound having both a formal positive charge of at least +1 and a partial negative charge. | 08-08-2013 |
| 20130224608 | POSITIVE ELECTRODE ACTIVE MATERIAL FOR SECONDARY BATTERY - A positive electrode active material having a charge and discharge range of 4.5 V or more with respect to lithium metal and used for a secondary battery excellent in charge and discharge characteristics and cycle characteristics is provided. The positive electrode active material B for a secondary battery according to the exemplary embodiment is obtained by subjecting a positive electrode active material A for a secondary battery having a charge and discharge range of 4.5 V or more with respect to lithium metal to coupling treatment with a coupling agent containing at least fluorine. Further, the positive electrode active material B for a secondary battery according to the exemplary embodiment has a film at least containing fluorine on at least a part of a surface of a positive electrode active material A for a secondary battery having a charge and discharge range of 4.5 V or more with respect to lithium metal. The exemplary embodiment can provide a positive electrode active material having a charge and discharge range of 4.5 V or more with respect to lithium metal and used for a secondary battery excellent in charge and discharge characteristics and cycle characteristics. | 08-29-2013 |
| 20130337347 | ULTRASOUND ASSISTED IN-SITU FORMATION OF CARBON/SULFUR CATHODES - A process of preparing an E-carbon nanocomposite includes contacting a porous carbon substrate with an E-containing material to form a mixture; and sonicating the mixture to form the E-carbon nanocomposite; where E is S, Se, Se | 12-19-2013 |
| 20140134502 | ELECTROLYTE FOR SECONDARY LITHIUM BATTERY AND SECONDARY LITHIUM BATTERY USING THE SAME - An electrolyte for a lithium secondary battery, the electrolyte including a lithium salt; a nonaqueous organic solvent; and an additive composition, wherein the additive composition comprises at least one of a first compound of Formula 1 and a second compound of Formula 2: | 05-15-2014 |
| 20140154591 | ELECTROLYTE FOR RECHARGEABLE LITHIUM BATTERY AND RECHARGEABLE LITHIUM BATTERY INCLUDING THE SAME - In an aspect, an electrolyte that includes a lithium salt, an organic solvent, and an additive is disclosed. | 06-05-2014 |
| 20140178772 | ELECTROLYTE FOR RECHARGEABLE LITHIUM BATTERY AND RECHARGEABLE LITHIUM BATTERY INCLUDING THE SAME - An electrolyte for a rechargeable lithium battery that includes a lithium salt and a non-aqueous organic solvent, wherein the non-aqueous organic solvent includes a fluoro-based solvent represented by the following Chemical Formula 1, and a rechargeable lithium battery including the same. | 06-26-2014 |
| 20140178773 | MAGNESIUM COMPOUND, ELECTROLYTE SOLUTION FOR MAGNESIUM BATTERY, AND MAGNESIUM BATTERY INCLUDING THE ELECTROLYTE SOLUTION - A magnesium compound represented by Formula 1 wherein the magnesium compound is dissolvable in an ether solvent, an electrolyte solution for magnesium batteries that includes the magnesium compound and a magnesium battery including the electrolyte solution are provided: | 06-26-2014 |
| 20140199602 | LITHIUM BATTERY - A lithium battery including: a positive electrode including an overlithiated lithium transition metal oxide having a layered structure; a negative electrode including a silicon-based negative active material; and an electrolyte between the positive electrode and the negative electrode, the electrolyte including an electrolytic solution including a fluorinated ether solvent in an amount of 3 vol % or more based on the total volume of the electrolytic solution. | 07-17-2014 |
| 20140255797 | LITHIUM/DISSOLVED POLYSULFIDE RECHARGEABLE LITHIUM-SULFUR BATTERIES AND METHODS OF MAKING THE SAME - In one embodiment, the present disclosure relates to a rechargeable Li—S battery including a cathode including a firbrous carbon material, a catholyte including a polysulfide, and an anode. In another embodiment, the present disclosure relates to a charged or partially charged rechargeable Li—S battery including a cathode including a fibrous carbon material and amorphous microparticles of elemental sulfur, a catholyte including high-order polysulfides having a general formula of Li | 09-11-2014 |
| 20140302404 | Magnesium-Based Energy Storage Systems and Methods Having Improved Electrolytes - Electrolytes for Mg-based energy storage devices can be formed from non-nucleophilic Mg | 10-09-2014 |
| 20140302405 | LITHIUM ION SECONDARY BATTERY - An object of the exemplary embodiment is to provide a lithium ion secondary battery using a 5 V class positive electrode, in which generation of gas is reduced. The exemplary embodiment is a lithium ion secondary battery comprising at least a positive electrode and an electrolyte solution. The lithium ion secondary battery is characterized in that the positive electrode contains a positive electrode active material having an operating potential at 4.5 V or more versus lithium metal, and the electrolyte solution contains a cyano group-containing polymer. | 10-09-2014 |
| 20150044578 | BINDERS DERIVED FROM POLYAMIC ACIDS FOR ELECTROCHEMICAL CELLS - Described are binder precursor compositions for cathodes containing polyamic acid which has a anhydride to amine ratio of greater than or equal to 0.985:1 to less than or equal to 1.10:1. These compositions are useful as cathodes in electrochemical cells, such as lithium ion batteries. Also described are electrodes comprising the binder precursor compositions and methods to prepare the electrodes. | 02-12-2015 |
| 20150064578 | ELECTROLYTE FOR LITHIUM SECONDARY BATTERY AND LITHIUM SECONDARY BATTERY USING THE SAME - An electrolyte for a lithium secondary battery, the electrolyte including: a lithium salt; a non-aqueous organic solvent; and a piperazine derivative represented by Formula 1 having an oxidation potential lower than an oxidation potential of the non-aqueous organic solvent by about 2 V to about 4 V: | 03-05-2015 |
| 20150072250 | BOROHYDRIDE SOLVO-IONIC LIQUID FAMILY FOR MAGNESIUM BATTERY - A method for forming a solvo-ionic liquid suitable for use as an electrolyte in an electrochemical cell is provided. The solvo-ionic liquid, a mixture including a multidentate ethereal solvent and magnesium borohydride, can be a liquid, a gel or a solid at room temperature and generally has high thermal stability including virtually no volatility at a typical cell operating temperature. An electrochemical cell having a solvo-ionic liquid as electrolyte is also disclosed. The electrochemical cell will typically be a rechargeable magnesium battery, having an anode suitable to accommodate magnesium oxidation during battery discharge. | 03-12-2015 |
| 20150093654 | COMPOSITION FOR A LITHIUM BATTERY COMPRISING AT LEAST ONE SPECIFIC FLUORINATED COMPOUND AS AN ORGANIC SOLVENT AND AT LEAST ONE LITHIUM SALT - The invention relates to compositions comprising at least one fluorinated compound of the following formula (I): | 04-02-2015 |
| 20150140451 | ELECTROLYTE FOR MAGNESIUM CELL AND MAGNESIUM CELL CONTAINING THE ELECTROLYTE - An electrolyte for a magnesium cell contains a solute, which is phenoxyl-Mg—Al-halogen complex, and an ether solvent. With respect to the entire electrolyte, the solute concentration is 0.2 to 1 mol/L. The electrolyte is capable of staying stable in the air. Also provided is a magnesium cell containing the electrolyte. | 05-21-2015 |
| 20150147663 | ELECTRICAL ENERGY STORAGE DEVICE WITH NON-AQUEOUS ELECTROLYTE - An electrical energy storage device | 05-28-2015 |
| 20150303458 | Sulfur-Carbon Composite Material, Its Application in Lithium-Sulfur Battery and Method for Preparing said Composite Material - The present invention provides a sulfur-carbon composite material, said composite material comprising a porous carbon substrate containing both micropores and mesopores and sulfur, wherein the sulfur is only contained in the micropores of the carbon substrate. Moreover, a lithium-sulfur battery with its cathode comprising said sulfur-carbon composite material and the method for preparing such material is also provided. | 10-22-2015 |
| 20150303522 | ELECTROLYTIC SOLUTION FOR FLUORIDE ION BATTERY AND FLUORIDE ION BATTERY - An electrolytic solution for a fluoride ion battery includes: a fluoride salt; and a solvent for dissolving the fluoride salt, in which the solvent is an ether-containing material having a cation and an anion, and in the cation, an ether group represented by —CH | 10-22-2015 |
| 20150325881 | BOROHYDRIDE SOLVO-IONIC LIQUID FAMILY FOR MAGNESIUM BATTERY - A method for forming a solvo-ionic liquid suitable for use as an electrolyte in an electrochemical cell is provided. The solvo-ionic liquid, a mixture including a multidentate ethereal solvent and magnesium borohydride, can be a liquid, a gel or a solid at room temperature and generally has high thermal stability including virtually no volatility at a typical cell operating temperature. An electrochemical cell having a solvo-ionic liquid as electrolyte is also disclosed. The electrochemical cell will typically be a rechargeable magnesium battery, having an anode suitable to accommodate magnesium oxidation during battery discharge. | 11-12-2015 |
| 20150325882 | COMPLEX ELECTROLYTES AND OTHER COMPOSITIONS FOR METAL-ION BATTERIES - Batteries such as Li-ion batteries are provided that comprise anode and cathode electrodes, an electrolyte ionically coupling the anode and the cathode, and a separator electrically separating the anode and the cathode. In some designs, the electrolyte may comprise, for example, a mixture of (i) a Li-ion salt with (ii) at least one other metal salt having a metal with a standard reduction potential below −2.3 V vs. Standard Hydrogen Electrode (SHE). In other designs, the electrolyte may be disposed in conjunction with an electrolyte solvent that comprises, for example, about 10 to about 100 wt. % ether. In still other designs, the battery may further comprise anode and cathode interfacial layers (e.g., solid electrolyte interphase (SEI)) disposed between the respective electrode and the electrolyte and having different types of fragments of electrolyte solvent molecules as compared to each other. | 11-12-2015 |
| 20150333306 | POROUS SEPARATION FILM FOR SECONDARY BATTERY INCLUDING CELLULOSE FIBER AND SILICA, AND METHOD FOR MANUFACTURING SAME - The present invention relates to a composite separation film comprising cellulose fiber and silica, a method for manufacturing the separation film, and a secondary battery including the separation film, wherein the separation film has excellent thermal stability, dimensional stability, wettability and electrochemical stability and has a simplified manufacturing process such that the unit cost of production can be reduced. | 11-19-2015 |
| 20150340697 | NEGATIVE ELECTRODE FOR RECHARGEABLE LITHIUM BATTERY AND RECHARGEABLE LITHIUM BATTERY INCLUDING SAME - Disclosed herein is a negative electrode for a rechargeable lithium battery including a negative active material and a binder, wherein the binder includes carboxylmethyl cellulose and a styrene-butadiene rubber, and the carboxylmethyl cellulose has a weight average molecular weight of about 300,000 g/mol to about 500,000 g/mol, and a rechargeable lithium battery including the same. | 11-26-2015 |
| 20160006076 | ELECTROLYTE FOR RECHARGEABLE LITHIUM BATTERY AND RECHARGEABLE LITHIUM BATTERY INCLUDING SAME - Disclosed are an electrolyte for a rechargeable lithium battery including a lithium salt, organic solvent and an additive including a compound represented by the following Chemical Formula 1 and a rechargeable lithium battery including the same. | 01-07-2016 |
| 20160028120 | METHOD FOR PRODUCING LOW-ACID LITHIUM BORATE SALTS AND MIXTURES OF LOW-ACID LITHIUM BORATE SALTS AND LITHIUM HYDRIDE - Mixtures of low-acid lithium borate salts and lithium hydride, methods for producing the same and the use thereof for battery electrolytes. | 01-28-2016 |
| 20160043440 | LIQUID ELECTROLYTE FOR FLUORIDE ION BATTERY AND FLUORIDE ION BATTERY - An object of the present invention is to provide a liquid electrolyte for a fluoride ion battery with improved fluoride ion stability. By providing a liquid electrolyte for a fluoride ion battery comprising a fluoride salt and a diol compound in which one or two ether bonds are disposed between two OH groups, the present invention achieves the aforementioned object. | 02-11-2016 |
| 20160072152 | LITHIUM ION SECONDARY BATTERY - Provided is a lithium ion secondary battery including a positive electrode, a negative electrode, and an electrolyte solution, in which the electrolyte solution contains a compound represented by the following Formula (1). The negative electrode includes a graphite negative electrode active material and a Si composite material. The Si composite material is a particle which is formed of a matrix including an oxidized Si or a Si alloy, and a Si crystallite has a size of 50 nm or less which is dispersed in the matrix. | 03-10-2016 |
| 20160087308 | LIQUID ELECTROLYTE FOR FLUORIDE ION BATTERY AND FLUORIDE ION BATTERY - The present invention aims to a liquid electrolyte for a fluoride ion battery having high stability with respect to a fluoride ion. The present invention attains the object by providing a liquid electrolyte for a fluoride ion battery comprising: a fluoride salt; an alkali metal amide salt having an alkali metal cation and an amide anion; and a glyme represented by general formula: R | 03-24-2016 |
| 20160200748 | FLUORINATED COMPOUNDS USABLE AS AN ORGANIC SOLVENT FOR LITHIUM SALTS | 07-14-2016 |
| 20180026306 | ELECTROLYTE FOR LITHIUM SECONDARY BATTERY AND LITHIUM SECONDARY BATTERY USING THE SAME | 01-25-2018 |
