|8501355||Electrolyte, and secondary battery comprising same|
Provided are an electrolyte which may prevent the degradation of the battery performance by including a functional group which can react with a side reaction site which is responsible for decomposition of negative electrode material components and a functional group...
|8445143||Electrode for lithium secondary battery|
Disclosed is an electrode comprising an aliphatic nitrile compound, wherein the aliphatic nitrile compound is coated on a surface of the electrode or is incorporated into the electrode active materials. A lithium secondary battery having the electrode is also disclo...
|8415057||Electrolytic solution for lithium battery, lithium battery comprising the same and method of operating the lithium battery|
An electrolytic solution for a lithium battery including a positive electrode having a nickel-cobalt-manganese based active material, the electrolytic solution including a nonaqueous organic solvent and a lithium salt, the nonaqueous organic solvent including ethyle...
|8415058||Nonaqueous secondary battery comprising at least two lithium-containing transition metal oxides of different average particle sizes|
A nonaqueous secondary battery having a positive electrode having a positive electrode mixture layer, a negative electrode, and a nonaqueous electrolyte, in which the positive electrode contains, as an active material, a lithium-containing transition metal oxide con...
|8383276||High voltage electrolyte|
An organic electrolyte solvent includes a compound of the formula: R1—SO2—NR2—OR3 wherein R1 is selected from alkanes, alkenes, alkynes, aryls and their substituted derivatives and perfluorinated analogues...
|8349503||Nonaqueous ionic liquid and lithium ion electrolyte battery|
A nonaqueous electrolyte battery, including a case, a positive electrode housed in the case, a negative electrode housed in the case, and a nonaqueous electrolyte containing an ionic liquid and lithium ions of which molar amount is no smaller than 1.8×10−5
|8288040||High voltage electrolyte|
A battery that includes a cathode, anode and an electrolytic solution containing an organic electrolyte solvent including a compound of the formula: R1—CO—NR2—OR3 wherein R1 is selected from alkanes, alkenes, alkynes...
|8283075||Non-aqueous electrolyte secondary battery including an electrolyte containing a fluorinated cyclic carbonate and carboxylic ester as a solvent and a nitrile compound as an additive|
A non-aqueous electrolyte secondary battery has a positive electrode (1), a negative electrode (2), a separator (3) interposed between the positive electrode and the negative electrode, and a non-aqueous electrolyte solution in which a solute is...
|8257871||Electrolyte for lithium secondary battery and lithium secondary battery including the same|
An electrolyte for a lithium secondary battery, and a lithium secondary battery including the same are provided. The electrolyte includes: a cyclic ester; an organic solvent including a nitrile-containing solvent represented by Formula 1 at a content ranging from 1 ...
|8211578||Magnesium cell with improved electrolyte|
An improved electrolyte for a cell having an anode comprising magnesium or magnesium alloy. The cell's cathode may desirably include iron disulfide (FeS2) as cathode active material. The improved electrolyte comprises a magnesium salt, preferably magnesiu...
|7951495||Non-aqueous electrolyte for battery and non-aqueous electrolyte battery comprising the same as well as electrolyte for electric double layer capacitor and electric double layer capacitor comprising the same|
This invention relates to a safe electrolyte having no risk of igniting-firing, and more particularly to a non-aqueous electrolyte for a battery comprising an ionic liquid composed of a cation portion and an anion portion, and a supporting salt, characterized in tha...
|7718322||Electrolyte for rechargeable lithium battery and rechargeable lithium battery comprising same|
Disclosed in an electrolyte for a rechargeable lithium battery, including a mixture of organic solvents including a cyclic solvent and a nitrile-based solvent represented by formula 1 and a lithium salt. ...
|7709158||Guanidine derivatives as cations for ambient temperature molten sales in electrochemical power sources|
The present invention is directed to ambient temperature molten salts as non-aqueous electrolytes. The molten salts comprise a cation of a guanidine moiety and an anion. The guanidine cation is asymmetrically halogenated, which means that in the general formula: C(N...
|7682754||Nonaqueous electrolytic solution for electrochemical cells|
The invention relates to the use of an amine oxide as an additive in a nonaqueous electrolytic solution. The electrolytic solution is suitable for use in electrochemical cells such as lithium batteries and lithium ion batteries. Batteries using this electrolyte solu...
|7442471||Solvent systems comprising a mixture of lactams and esters for non-aqueous electrolytes and non-aqueous electrolyte cells comprising the same|
A non-aqueous electrolyte solution for lithium or a lithium ion cell, which improves lithium ion cell capacity retention and enhances storage life thereof. The non-aqueous solution can be implemented in the context of an electrolyte system that includes a lithium sa...
|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...
|7358012||Electrolytes for lithium sulfur cells|
Disclosed is an electrochemical cell comprising a lithium anode and a sulfur-containing cathode and a non-aqueous electrolyte. The cell exhibits high utilization of the electroactive sulfur-containing material of the cathode and a high charge-discharge efficiency.
|7354680||Electrolytes for lithium sulfur cells|
Disclosed is an additive for an electrochemical cell wherein the additive includes an N—O bond. The additive is most preferably included in a nonaqueous electrolyte of the cell. Also disclosed are cells and batteries including the additive, and methods of charging...
|7312000||Electrolytic solution for secondary battery and secondary battery containing the same|
A battery, which has excellent safety in an overcharged state and is excellent in low-temperature characteristics and cycle characteristics, is provided. The electrolytic solution of the secondary battery contains a compound which has a diazine N,N′-dioxide...
|7306705||Method for dehydrating composition comprising lithium bis(pentafluoroethanesulfonyl)imide|
A method for dehydrating an aqueous composition comprising lithium bis(pentafluoroethanesulfonyl)imide and at least one organic solvent, wherein a part of solvent is distilled off by distillation. ...
|7294436||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...
|7285362||Safe battery solvents|
An ion transporting solvent maintains very low vapor pressure, contains flame retarding elements, and is nontoxic. The solvent in combination with common battery electrolyte salts can be used to replace the current carbonate electrolyte solution, creating a safer ba...
|7238452||Electrolyte for lithium battery and lithium battery comprising same|
An electrolyte for a lithium battery includes a non-aqueous organic solvent, lithium salts, and an additive compound of formula (1): where X is selected from the group consisting of an alkyl, an alkoxy, a halogen...
|7229719||Non-aqueous electrolyte secondary battery|
A highly safe non-aqueous electrolyte secondary cell with excellent self-extinguishing property or flame retardancy is provided which comprises an anode, a cathode, a non-aqueous electrolyte in which an Li-salt as a supporting salt is dissolved in an organic solvent...
|7226703||Electrolyte for rechargeable lithium battery and rechargeable lithium battery comprising same|
Disclosed is an electrolyte for a rechargeable lithium battery including a non-aqueous organic solvent, a lithium salt, and a lactam-based compound selected from the group consisting of compounds represented by formulas 1 to 6:
|7220519||Electrolyte composition, lithium battery using the same, and method of manufacturing the lithium battery|
An electrolyte composition, a lithium battery using the electrolyte composition, and a method of manufacturing the lithium battery are provided. The electrolyte composition contains: a lithium salt; an organic solvent containing 15-50% by weight of propylene carbona...
|7198870||Polyimide matrix electrolyte|
A polymer matrix electrolyte (PME) includes a polyimide, at least one salt and at least one solvent intermixed. The PME is generally homogeneous as evidenced by its high level of optically clarity. The PME is stable through harsh temperature and pressure conditions....
|7166238||Liquid-crystalline ionic conductor and method for producing the same|
A novel liquid-crystalline ionic conductor, which is useful in the electric, electronic, chemical and bioengineering fields, as an anisotropic reaction solvent, ionic conductor, electric field-responsible conductor or the like, and a method for producing the same, i...
|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...
|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...
|7129005||Polyimide matrix electrolyte and improved batteries therefrom|
A battery includes an anode, a cathode, and a polymer matrix electrolyte (PME) separator disposed between the anode and the cathode. The PME separator includes a polyimide, at least one lithium salt in a concentration of at least 0.5 moles of lithium per mole of imi...
A polymer electrolyte providing lithium secondary batteries in which growth of lithium dendrites is suppressed and batteries exhibiting excellent discharge characteristics in low to high temperature, comprising a polymer gel holding a nonaqueous solvent containing a...
|7067219||Additive for nonaqueous-electrolyte secondary battery|
The present invention provides an additive which is able to make a non-aqueous-electrolyte secondary cell or a non-aqueous electrolyte electric double layer capacitor which is excellent in low-temperature characteristics, while maintaining a necessary cell propertie...
|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
|6955867||Non-aqueous electrolyte secondary cell and, deterioration-preventing agent for non-aqueous electrolyte secondary cell and additive for non-aqueous electrolyte secondary cell for use therein|
An object of the present invention is to provide a non-aqueous electrolyte secondary cell having excellent resistance to deterioration, excellent self-extinguishability or incombustibility, and excellent discharge properties at low temperatures, a deterioration inhi...
|6939647||Non-aqueous electrolyte solutions and non-aqueous electrolyte cells comprising the same|
Non-aqueous electrolyte solutions capable of protecting lithium metal and lithium-inserted carbonaceous electrodes include an electrolyte salt, preferably LiPF6, and a non-aqueous electrolyte solvent mixture comprising at least one of trialkyl phosphites,...
Provided is a lithium battery in which the cathode comprises an electroactive sulfur-containing material and the electrolyte comprises a lithium salt, a non-aqueous solvent, and one or more capacity-enhancing reactive components. Suitable reactive components include...
|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...
|6902684||Non-aqueous electrolytes for electrical storage devices|
A non-aqueous electrolyte for electric storage devices consisting of a nitrile solvent and a complex salt formed by the reaction of a tetraalkyl ammonium salt and hydrogen fluoride. The electrolyte may include a component which a cation of an imidazolium or quaterna...
|6855457||Nonaqueous electrolyte secondary battery with a molten salt electrolyte|
A non aqueous electrolyte secondary battery comprises a positive electrode made from a material which is capable of occluding and discharging anions, a negative electrode made from a material which is capable of occluding and discharging cations, and a non aqueous e...