Patent application number | Description | Published |
20080233467 | Lithium cell - A primary cell having an anode comprising lithium and a cathode comprising iron disulfide (FeS | 09-25-2008 |
20080261110 | Non-Aqueous Electrochemical Cells - An electrochemical secondary cell is disclosed. The cell includes a cathode, an anode, a cathode current collector including stainless steel, and an electrolyte containing a perchlorate salt and a second salt. | 10-23-2008 |
20090061308 | Battery Including Aluminum Components - A primary lithium battery can include a current collector that includes aluminum, a positive lead that includes aluminum, or both. The aluminum battery components can have high mechanical strength and low electrical resistance. | 03-05-2009 |
20090061323 | Non-Aqueous Electrochemical Cells - Electrochemical cells are disclosed. In some embodiments, an electrochemical cell includes an electrolyte that contains a bis(oxalato)borate salt. | 03-05-2009 |
20090070989 | Lithium cell cathode - A primary cell having an anode comprising lithium and a cathode comprising iron disulfide (FeS | 03-19-2009 |
20090074953 | Lithium cell cathode - A primary cell having an anode comprising lithium and a cathode comprising iron disulfide (FeS | 03-19-2009 |
20090148756 | Lithium cell - A primary electrochemical cell having an anode comprising lithium and a cathode comprising iron disulfide (FeS | 06-11-2009 |
20090186263 | LITHIUM CELL - A primary cell having an anode comprising lithium or lithium alloy and a cathode comprising iron disulfide (FeS | 07-23-2009 |
20090199394 | Flexible Cathodes - This disclosure relates to methods of making a cathode for a lithium batter. The methods include: (a) treating a cathode current collector with flame or corona; (b) coating a slurry containing iron disulfide, a first solvent, and a binder onto the cathode current collector obtained from step (a) to form a coated cathode current collector, in which the slurry contains about 73-75% by weight solids and the binder contains a polymer selected from the group consisting of linear di- and tri-block copolymers, linear tri-block copolymers cross-linked with melamine resin, ethylene-propylene copolymers, ethylene-propylene-diene terpolymers, tri-block fluorinated thermoplastics, hydrogenated nitrile rubbers, fluoro-ethylene-vinyl ether copolymers, thermoplastic polyurethanes, thermoplastic olefins, and polyvinylidene fluoride homopolymers; and (c) drying the coated cathode current collector obtained from step (b) to provide a cathode, in which the cathode contains no more than 0.5% by volume of the first solvent and is capable of being bent to 180°. This disclosure also relates to methods of making a lithium battery. | 08-13-2009 |
20090208849 | Lithium cell - A primary cell having an anode comprising lithium or lithium alloy and a cathode comprising iron disulfide (FeS | 08-20-2009 |
20090263727 | Lithium cell with cathode including iron disulfide and iron sulfide - A primary cell having an anode comprising lithium or lithium alloy and a cathode comprising iron disulfide (FeS | 10-22-2009 |
20090265920 | METHOD OF MAKING NON-AQUEOUS ELECTROCHEMICAL CELL - A method of making a lithium electrochemical cell includes treating the cathode active material with an agent that includes lithium but not sodium. A cathode including the cathode active material, an anode, a separator, and an electrolyte are assembled in a housing to provide a cell containing less than 1500 ppm by weight of sodium. | 10-29-2009 |
20090265921 | METHOD OF MAKING NON-AQUEOUS ELECTROCHEMICAL CELL - A method of making a lithium electrochemical cell includes treating the cathode active material with an agent that includes lithium but not sodium. A cathode including the cathode active material, an anode, a separator, and an electrolyte are assembled in a housing to provide a cell containing less than 1500 ppm by weight of sodium. | 10-29-2009 |
20090291366 | Method of preparing cathode containing Iron disulfide for a lithium cell - A primary cell having an anode comprising lithium or lithium alloy and a cathode comprising iron disulfide (FeS | 11-26-2009 |
20090297949 | Lithium Primary Cells - Primary lithium cells are provided, the cells having an anode comprising lithium and a cathode comprising iron disulfide. Features of the cells are optimized in order to enhance the cell performance within the constraints imposed by the maximum permitted level of lithium and standard cell dimensions. | 12-03-2009 |
20100003595 | Lithium Cell - A primary cell having an anode comprising lithium and a cathode comprising iron disulfide (FeS | 01-07-2010 |
20100040936 | Zinc/Air Cell - A zinc/air depolarized cell wherein the anode comprises zinc particles, aqueous alkaline electrolyte, and pyrophosphate based (P | 02-18-2010 |
20100086833 | Battery - A battery includes an anode having an alkali metal as the active material, a cathode having, for example, iron disulfide as the active material, and an increased electrolyte volume. | 04-08-2010 |
20100203370 | Lithium cell with iron disulfide cathode - A primary cell having an anode comprising lithium or lithium alloy and a cathode comprising iron disulfide (FeS | 08-12-2010 |
20100236056 | Flexible Cathodes - This disclosure relates to methods of making a cathode for a lithium batter. The methods include: (a) treating a cathode current collector with flame or corona; (b) coating a slurry containing iron disulfide, a first solvent, and a binder onto the cathode current collector obtained from step (a) to form a coated cathode current collector, in which the slurry contains about 73-75% by weight solids and the binder contains a polymer selected from the group consisting of linear di- and tri-block copolymers, linear tri-block copolymers cross-linked with melamine resin, ethylene-propylene copolymers, ethylene-propylene-diene terpolymers, tri-block fluorinated thermoplastics, hydrogenated nitrile rubbers, fluoro-ethylene-vinyl ether copolymers, thermoplastic polyurethanes, thermoplastic olefins, and polyvinylidene fluoride homopolymers; and (c) drying the coated cathode current collector obtained from step (b) to provide a cathode, in which the cathode contains no more than 0.5% by volume of the first solvent and is capable of being bent to 180°. This disclosure also relates to methods of making a lithium battery. | 09-23-2010 |
20100248011 | Lithium cell with improved iron disulfide cathode - A primary cell having an anode comprising lithium or lithium alloy and a cathode comprising iron disulfide (FeS | 09-30-2010 |
20100261054 | Lithium Primary Cells - A method for treating a cathode electrode assembly. The method includes providing an electrode including iron disulfide and contacting the electrode with a solution including acid to remove impurities from the electrode. The electrode may then be dried under various conditions. The moisture content of the electrode after drying may be less than about 2500 ppm. | 10-14-2010 |
20100261055 | Lithium Primary Cells - A method for treating a cathode electrode assembly. The method includes providing an electrode including iron disulfide and contacting the electrode with water to remove impurities from the electrode. The electrode may then be dried under various conditions. The moisture content of the electrode after drying may be less than about 600 ppm. | 10-14-2010 |
20110072647 | Battery Cathodes - Batteries and related compositions and methods are disclosed. In some embodiments, a method of making a battery can include heating at least one cathode including a cathode material in an atmosphere including oxygen, heating the cathode in a vacuum, adding the cathode into a housing, adding a separator into the housing, and adding an anode into the housing. | 03-31-2011 |
20110076392 | Battery Cathodes - Batteries and related compositions and methods are disclosed. In some embodiments, a method of making a battery can include heating at least one cathode including a cathode material in an atmosphere including oxygen, heating the cathode in a vacuum, adding the cathode into a housing, adding a separator into the housing, and adding an anode into the housing. | 03-31-2011 |
20110123874 | ELECTROCHEMICAL CELLS WITH IMPROVED SEPARATOR AND ELECTROLYTE - An electrochemical cell is described. The electrochemical cell includes an anode, a cathode, a separator between said anode and said cathode, and an electrolyte. The electrolyte includes a salt dissolved in an organic solvent. The separator in combination with the electrolyte has an area specific resistance less than 2 ohm-cm | 05-26-2011 |
20110123875 | ELECTROCHEMICAL CELLS WITH IMPROVED SEPARATOR AND ELECTROLYTE - An electrochemical cell is described. The electrochemical cell includes an anode, a cathode, a separator between said anode and said cathode, and an electrolyte. The electrolyte includes a salt dissolved in an organic solvent. The separator in combination with the electrolyte has an area specific resistance less than 2 ohm-cm | 05-26-2011 |
20110143218 | Battery - A battery includes an anode having an alkali metal as the active material, a cathode having, for example, iron disulfide as the active material, and an electrolyte containing lithium salts, such as lithium iodide and lithium hexafluorophosphate. | 06-16-2011 |
20110248682 | LITHIUM CELL - A primary cell having an anode comprising lithium and a cathode comprising iron disulfide (FeS | 10-13-2011 |
20110254509 | Flexible Cathodes - This disclosure relates to methods of making a cathode for a lithium batter. The batterys include: (a) treating a cathode current collector with flame or corona; (b) coating a slurry containing iron disulfide, a first solvent, and a binder onto the cathode current collector obtained from step (a) to form a coated cathode current collector, in which the slurry contains about 73-75% by weight solids and the binder contains a polymer selected from the group consisting of linear di- and tri-block copolymers, linear tri-block copolymers cross-linked with melamine resin, ethylene-propylene copolymers, ethylene-propylene-diene terpolymers, tri-block fluorinated thermoplastics, hydrogenated nitrile rubbers, fluoro-ethylene-vinyl ether copolymers, thermoplastic polyurethanes, thermoplastic olefins, and polyvinylidene fluoride homopolymers; and (c) drying the coated cathode current collector obtained from step (b) to provide a cathode, in which the cathode contains no more than 0.5% by volume of the first solvent and is capable of being bent to 180°. This disclosure also relates to methods of making a lithium battery. | 10-20-2011 |
20120096708 | Electrolyte Additive for Non-Aqueous Electrochemical Cells - An electrochemical secondary cell is disclosed. The cell includes a cathode, an anode, a current collector including aluminum, and an electrolyte containing a perchlorate salt and a second salt. The electrolyte is essentially free of LiPF | 04-26-2012 |
20120180309 | Lithium Primary Cells - Primary lithium cells are provided, the cells having an anode comprising lithium and a cathode comprising iron disulfide. Features of the cells are optimized in order to enhance the cell performance within the constraints imposed by the maximum permitted level of lithium and standard cell dimensions. | 07-19-2012 |
20120315523 | ELECTROCHEMICAL CELLS WITH IMPROVED SPIRAL-WOUND ELECTRODE ASSEMBLY - A spiral-wound electrode assembly, an electrochemical cell with the spiral-wound electrode assembly, and a method of manufacturing an electrochemical cell with the spiral-wound electrode assembly are disclosed. The spiral-wound electrode assembly has a first electrode that has a first electrode active material, a leading edge and a trailing edge. The assembly has a second electrode that includes a second electrode active material, a leading edge and a trailing edge. A separator is located between the first electrode and the second electrode. The electrode assembly has an interfacial anode-to-cathode ratio of less than about 1.2. The first electrode, second electrode, and separator are wound so that the first electrode forms a layer at the outermost radius of the electrode assembly and so that the trailing edge of the second electrode extends past the trailing edge of the first electrode. | 12-13-2012 |
20130004838 | NON-AQUEOUS ELECTROCHEMICAL CELLS - Electrochemical cells are disclosed. In some embodiments, an electrochemical cell includes an electrolyte that contains a bis(oxalato)borate salt. | 01-03-2013 |
20130089792 | ELECTROCHEMICAL CELLS WITH IMPROVED SEPARATOR AND ELECTROLYTE - An electrochemical cell is described. The electrochemical cell includes an anode, a cathode, a separator between said anode and said cathode, and an electrolyte. The electrolyte includes a salt dissolved in an organic solvent. The separator in combination with the electrolyte has an area specific resistance less than 2 ohm-cm | 04-11-2013 |
20130323607 | SECONDARY ELECTROCHEMICAL CELLS WITH SEPARATOR AND ELECTROLYTE COMBINATION - A secondary electrochemical cell comprises an anode, a cathode including electrochemically active cathode material, a separator between the anode and the cathode, and an electrolyte. The electrolyte comprises at least one salt dissolved in at least one organic solvent. The separator in combination with the electrolyte has an area-specific resistance of less than about 2 ohm-cm | 12-05-2013 |
20140079972 | ANODE BALANCED LITHIUM-IRON DISULFIDE PRIMARY CELL - A primary electrochemical cell having an anode comprising lithium and a cathode comprising iron disulfide (FeS | 03-20-2014 |
20140125285 | Battery - A battery includes an anode having an alkali metal as the active material, a cathode having, for example, iron disulfide as the active material, and an increased electrolyte volume. | 05-08-2014 |
20140154542 | ALKALINE ELECTROCHEMICAL CELLS WITH SEPARATOR AND ELECTROLYTE COMBINATION - An alkaline electrochemical cell having an anode including electrochemically active anode material, a cathode including electrochemically active cathode material, a separator between the anode and the cathode, and an electrolyte. The electrolyte includes a hydroxide dissolved in water. The separator in combination with the electrolyte has an initial area-specific resistance between about 100 mOhm-cm | 06-05-2014 |