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Class 429/337 - Oxygen is the only ring hetero atom in the hetero ring (e.g., dioxolane, gamma butyrolactone, etc.)


Subclass of Class 429 - Chemistry: electrical current producing apparatus, product, and process
Definition: Subject matter wherein the hetero ring contains oxygen as
No. of patents: 194
Last issue date: 01/17/2012


1          
NumberTitleIssue Date
8097367Non-aqueous electrolyte secondary cell containing 1,3-dioxane compound
A non-aqueous electrolyte secondary cell with superior cycle characteristics is provided. The non-aqueous electrolyte secondary cell has a positive electrode, a negative electrode, and a non-aqueous electrolyte containing a non-aqueous solvent and an electrolyte sal...
01/17/2012
7862934Battery having a collector plate
The object of the present invention is to provide a reliable alkaline storage battery having a structure by which a short circuit between the electrodes can be prevented in the manufacturing procedures. To achieve this object, the present invention provides a...
01/04/2011
7709157Non-aqueous electrolyte secondary battery and electrolyte for the same
The present invention provides a safe non-aqueous electrolyte secondary battery with characteristics analogous to those of a conventional battery by minimizing battery expansion that causes damage to a device during high temperature exposure or storage. The non-aque...
05/04/2010
7491471Electrolyte for lithium secondary battery and lithium secondary battery comprising same
An electrolyte for a lithium secondary battery which has a non-aqueous organic solvent including a γ-butyrolactone and optionally a cyclic carbonate, an ester compound having an electron withdrawing group, and at least two salts. The lithium secondary battery inclu...
02/17/2009
7455935Ion-conductive electrolyte and cell employing the same
An ion-conductive electrolyte which comprises a compound having in the molecule a structure represented by the following chemical formula and an electrolyte salt; and a cell employing the ion-conductive electrolyte. The ion-conductive electrolyte has a low vapor pre...
11/25/2008
7452636Lithium secondary battery
A lithium secondary battery including a positive electrode, a negative electrode including a carbon material as an active material, and a nonaqueous electrolyte comprising a solute dissolved in a nonaqueous solvent in which γ-butyrolactone is the main solvent, wher...
11/18/2008
7419623Proton conducting mediums for electrochemical devices and electrochemical devices comprising the same
An electrochemical device and a proton conducting medium for use in an electrochemical device having a proton conducting electrolyte comprising the formula: HaMbQ.nH2O where H is a proton, M is a cation, Q is the ...
09/02/2008
7399554Hybrid 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
7387852Polymer 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
7378190Non-aqueous electrolyte secondary battery
Storage performance in a charged state is improved with a non-aqueous electrolyte secondary battery using gamma-butyrolactone as a solvent. A non-aqueous electrolyte secondary battery includes a positive electrode (2) containing a positive electrode active ma...
05/27/2008
RE40302Polyelectrolyte, 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
7358010Fluorinated carbon for metal/fluorinated carbon batteries
A novel cathode composition for use in a metal/fluorinated carbon battery is produced by mixing fluorinated carbons made from anisotropic and isotropic carbon, where the anisotropic carbon is carbon fiber and the isotropic carbon is graphite. This cathode compositio...
04/15/2008
7358012Electrolytes 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.
04/15/2008
7354680Electrolytes 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...
04/08/2008
7335444Positive electrode active material for a secondary battery, secondary battery and process of manufacturing positive electrode active material for a secondary battery
A positive electrode active material containing lithium manganate having a spinel structure is used, wherein the value of a* of the L*a*b* color specification system is made to satisfy the requirement: −3.2 ≦a*≦−1.4. Or, the value of a* is made to satisfy th...
02/26/2008
7312001Non-aqueous electrolytic solution and lithium battery employing the same
A non-aqueous electrolytic solution and a lithium battery employing the same are provided. The non-aqueous electrolyte solution that contains a substituted or unsubstituted acetate can effectively stabilize lithium metal and improve the conductivity of lithium ions....
12/25/2007
7306705Method 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. ...
12/11/2007
7300722Lithium 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
7285356Non-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
7258952Lithium polymer secondary cell
A lithium polymer secondary battery comprising a negative electrode, a positive electrode and an electrolyte layer between both electrodes, wherein the negative electrode and the positive electrode each has a solid electrolyte prepared by incorporating an organic el...
08/21/2007
7255965Non-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
7247404Electrolyte for lithium secondary batteries and lithium secondary battery comprising the same
An electrolyte in a lithium secondary battery includes an alkyl ammonium salt having a cation of the following Formula 1, a lithium salt, and an organic solvent: wherein R1 to R4 are indepen...
07/24/2007
7247405Nonaqueous electrolyte battery
A nonaqueous electrolyte battery which comprises a positive electrode including carbon fluoride or sulfur as an active material, a negative electrode including calcium as an active material, and an electrolyte including an imide salt of calcium or a sulfonic acid sa...
07/24/2007
7235335Nonaqueous liquid electrolyte and nonaqueous liquid electrolyte secondary battery
Disclosed is a nonaqueous liquid electrolyte comprising a nonaqueous solvent, an electrolyte dissolved in the nonaqueous solvent and a macromolecular material added to the nonaqueous solvent. The nonaqueous liquid electrolyte is a fluid having a viscosity at 20° C....
06/26/2007
7234885Device for packaging and/or dispensing a product and manufacturing methods
A device for at least one of packaging and dispensing a product may include a receptacle configured to contain a product and at least one body. The at least one body may include a binder and a plurality of particles associated with the binder. The at least one body ...
06/26/2007
7229717Anode 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
7192674Lithium primary battery
A lithium primary battery contains a positive electrode and a negative electrode, wherein the positive electrode comprises manganese dioxide containing boron and phosphorus and the negative electrode comprises lithium or lithium alloy. ...
03/20/2007
7189477Low temperature electrochemical cells
Disclosed is an electrochemical cell comprising a lithium anode and a sulfur-containing cathode and a non-aqueous electrolyte solvent. In the fully charged state of the cell the concentration of lithium ions is preferably less than 0.3 M. The cell delivers high disc...
03/13/2007
7175939Non-aqueous electrolyte secondary battery
In a non-aqueous electrolyte secondary battery provided with a positive electrode, a negative electrode using carbon material as negative electrode active material, and a non-aqueous electrolyte solution, the non-aqueous electrolyte solution contains at least a satu...
02/13/2007
7172837Nonaqueous 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
7125631Lithium 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
7101641Lithium primary battery
In a lithium battery comprising a positive electrode for which manganese dioxide is employed, manganese dioxide containing 0.1 to 3% by weight of boron is employed as the positive electrode and a lithium alloy containing 0.05 to 2% by weight of aluminum is employed ...
09/05/2006
7037624Electrolyte for lithium battery, method of preparing the same, and lithium battery comprising same
An electrolyte for a lithium battery is disclosed. The electrolyte includes a non-aqueous organic solvent, a lithium salt, and at least one dioxolane-based additive. ...
05/02/2006
7026073Non-aqueous electrolyte secondary battery
In an electrolyte of a non-aqueous electrolyte secondary battery using a cyclic carboxylic-acid ester exerting high conductivity under a low temperature condition, for suppressing reductive decomposition of the cyclic carboxylic acid ester, a cyclic carbonic acid es...
04/11/2006
7026075Nonaqueous electrolyte battery and nonaqueous electrolytic solution
The present invention achieves an increased capacity and prolonged life of nonaqueous electrolyte batteries of the type in which light metals, such as magnesium, calcium or aluminum, are used in the negative electrode. The present invention also provides a thermally...
04/11/2006
7014915Controlled binary macrosegregated powder particles, their uses, and preparation methods therefor
A material has a mass of powder particles. The mass of powder particles includes controlled binary macrosegregated powder particles made of at least two constituent elements. Each controlled binary macrosegregated powder particle has a chemically binary structure wh...
03/21/2006
7002728Electrophoretic particles, and processes for the production thereof
Copper chromite particles can advantageously be used as black particles in electrophoretic media and displays. Preferably, the copper chromite particles are coated with a silica coating and a polymer coating. ...
02/21/2006
6984367Process for the preparation of lithium iodide solutions
A process is described for the preparation of lithium iodide solutions by reacting a lithium-containing substance with elemental iodine, the lithium iodide being prepared in an aprotic solvent that can be used as a solvent in a liquid electrolyte solution. ...
01/10/2006
6958198Non-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
6955866Coated lithium electrodes
Batteries including a lithium anode stabilized with a metal-lithium alloy and battery cells comprising such anodes are provided. In one embodiment, an electrochemical cell having an anode and a sulfur electrode including at least one of elemental sulfur, lithium sul...
10/18/2005
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