Patent application number | Description | Published |
20090023061 | Stacked constructions for electrochemical batteries - A stacked battery has at least two cell segments arranged in a stack. Each cell segment may have a first electrode unit having a first active material electrode, a second electrode unit having a second active material electrode, and an electrolyte layer between the active material electrodes. One or more gaskets may be included in each cell segment to seal the electrolyte within the cell segment. | 01-22-2009 |
20090173582 | Elevator Backup System - A method of controlling an elevator system comprises transferring power to an elevator car from a primary power supply to a backup power supply without interruption of power if the primary power supply fails or is disrupted. Following transfer of power to the elevator car from the primary power supply to the backup power supply either pending operations of the elevator car are completed or the elevator car is moved to a predetermined floor based on pending operations of the elevator car. The backup power supply can be attached to the elevator car. | 07-09-2009 |
20100253147 | Parallel Power Back-Up System - System and methods of supplying power to a load are provided. A module monitors electrical grid power. When the grid power fails the module initially provides power from a performance battery. When a bulk energy power system has warmed-up/activated, the module switches the power to the load from the performance battery to the bulk energy power system. | 10-07-2010 |
20100304216 | BI-POLAR RECHARGEABLE ELECTROCHEMICAL BATTERY - A bi-polar battery has a positive electrode unit, a negative electrode unit, at least one bi-polar electrode unit stacked therebetween, an electrolyte layer separating each adjacent electrode unit, and a gasket positioned about each electrolyte layer for creating a seal about the electrolyte layer in conjunction with the electrode units adjacent thereto. The bi-polar battery also includes a wrapper for maintaining the seals created by the gaskets. | 12-02-2010 |
20100310923 | BI-POLAR RECHARGEABLE ELECTROCHEMICAL BATTERY - A bi-polar battery has a positive electrode unit, a negative electrode unit, at least one bi-polar electrode unit stacked therebetween, an electrolyte layer separating each adjacent electrode unit, and a gasket positioned about each electrolyte layer for creating a seal about the electrolyte layer in conjunction with the electrode units adjacent thereto. The bi-polar battery also includes a wrapper for maintaining the seals created by the gaskets. | 12-09-2010 |
20110183188 | Rechargeable ZnMn Flat Plate Electrode Cell - Provided is a flat plate electrode cell, comprises positive electrode plates and negative electrode plates. The positive electrode plates each comprise manganese and compressed metal foam. The negative electrode plates each comprise zinc and compressed metal foam. Both the positive and negative electrodes can have alignment tabs, wherein the flat plate electrode cell can further comprise electrical terminals formed from the aligned tabs. The rechargeable flat plate electrode cell of the present disclosure, formed from compressed metal foam, provides both low resistance and high rate performance to the electrodes and the cell. Examples of improvements over round bobbin and flat plate cells are current density, memory effect, shelf life, charge retention, and voltage level of discharge curve. In particular, the rechargeable flat plate electrode cell of the present disclosure provides longer cycle life with reduced capacity fade as compared with known round bobbin and flat plate cells. | 07-28-2011 |
20130049762 | Battery Management - Battery management may be provided. First, a battery string in a battery bank may be charged for a charge time. After charging the battery string, the battery string may be isolated from charging for a rest time. Once the charging and resting from charging is complete, a test open circuit voltage for each battery in the first battery string may be measured. In addition, a defective indicator that a battery is defective may be recorded in a database. Next, a battery may be loaded with a preset load for a load time. After loading the battery, a test load voltage for each of the batteries loaded with the preset load may be measured. A second defective indicator that a battery is defective may be recorded in the database when the test load voltage for the second battery is greater than a load voltage differential. | 02-28-2013 |
20130095366 | STACKED CONSTRUCTIONS FOR ELECTROCHEMICAL BATTERIES - A stacked battery has at least two cell segments arranged in a stack. Each cell segment may have a first electrode unit having a first active material electrode, a second electrode unit having a second active material electrode, and an electrolyte layer between the active material electrodes. One or more gaskets may be included in each cell segment to seal the electrolyte within the cell segment. | 04-18-2013 |
20130101882 | STACKED CONSTRUCTIONS FOR ELECTROCHEMICAL BATTERIES - A stacked battery has at least two cell segments arranged in a stack. Each cell segment may have a first electrode unit having a first active material electrode, a second electrode unit having a second active material electrode, and an electrolyte layer between the active material electrodes. One or more gaskets may be included in each cell segment to seal the electrolyte within the cell segment. | 04-25-2013 |
20130101890 | STACKED CONSTRUCTIONS FOR ELECTROCHEMICAL BATTERIES - A stacked battery has at least two cell segments arranged in a stack. Each cell segment may have a first electrode unit having a first active material electrode, a second electrode unit having a second active material electrode, and an electrolyte layer between the active material electrodes. One or more gaskets may be included in each cell segment to seal the electrolyte within the cell segment. | 04-25-2013 |
20130309555 | Rechargeable ZnMn Flat Plate Electrode Cell - Provided is a flat plate electrode cell, comprises positive electrode plates and negative electrode plates. The positive electrode plates each comprise manganese and compressed metal foam. The negative electrode plates each comprise zinc and compressed metal foam. Both the positive and negative electrodes can have alignment tabs, wherein the flat plate electrode cell can further comprise electrical terminals tanned from the aligned tabs. The rechargeable flat plate electrode cell of the present disclosure, formed from compressed metal foam, provides both low resistance and high rate performance to the electrodes and the cell. Examples of improvements over round bobbin and flat plate cells are current density, memory effect, shelf life, charge retention, and voltage level of discharge curve. In particular, the rechargeable flat plate electrode cell of the present disclosure provides longer cycle life with reduced capacity fade as compared with known round bobbin and flat plate cells. | 11-21-2013 |
20140217985 | PROCESS FOR FORMING A BATTERY CONTAINING AN IRON ELECTRODE - Provided is a process for activating a battery comprising an iron electrode. The process comprises providing a battery comprising a cathode and an iron anode. The battery further comprises an electrolyte comprising NaOH, LiOH and a sulfide. The battery is then cycled to equalize the state-of-charge of the cathode and iron anode. | 08-07-2014 |
20140220430 | BATTERY COMPRISING A COATED IRON ANODE - The present invention provides one with a battery having an iron anode, e.g., a Ni—Fe battery, having improved performance characteristics. The battery uses a particular electrolyte and/or battery separator. The resulting characteristics of efficiency, charge retention and cycle life are much improved over such batteries in the prior art. | 08-07-2014 |
20140220431 | NICKEL-IRON BATTERY WITH HIGH CYCLE LIFE - The present invention provides one with a high cycle life Ni—Fe battery. The battery uses a particular electrolyte. The resulting characteristics of cycle life, as well as power and charge retention, are much improved over conventional Ni—Fe batteries. | 08-07-2014 |
20140234706 | NICKEL IRON BATTERY EMPLOYING AN UNTREATED POLYOLEFIN SEPARATOR WITH A SURFACTANT IN THE ELECTROLYTE - Provided is a nickel-iron battery. The battery comprises a positive nickel electrode, an iron negative electrode, an electrolyte comprising a surfactant, and a non-polar separator. In one embodiment, the non-polar separator is comprised of a polyolefin, and the surfactant comprises a zwitterionic surfactant. | 08-21-2014 |
20140322598 | NICKEL-IRON BATTERY WITH HIGH POWER - The present invention provides one with a Ni—Fe battery exhibiting enhanced power characteristics. The battery uses a particular electrolyte. The resulting characteristics of specific power and power density are much improved over conventional Ni—Fe batteries. | 10-30-2014 |
Patent application number | Description | Published |
20130255072 | METHOD OF MANUFACTURING PRISMATIC BATTERY - Provided is a method of manufacturing a prismatic battery, or a series of prismatic batteries. The method comprises stacking positive electrode plates, negative electrode plates and separator layers therebetween. The positive and negative electrode plates extend beyond a periphery of the electrode stack. The positive electrode plates are fused to form a positive current collector, and the negative electrode plates are fused to form a negative current collector. | 10-03-2013 |
20130333205 | Rechargeable ZnMn Flat Plate Electrode Cell - Provided is a flat plate electrode cell, comprises positive electrode plates and negative electrode plates. The positive electrode plates each comprise manganese and compressed metal foam. The negative electrode plates each comprise zinc and compressed metal foam. Both the positive and negative electrodes can have alignment tabs, wherein the flat plate electrode cell can further comprise electrical terminals tanned from the aligned tabs. The rechargeable flat plate electrode cell of the present disclosure, formed from compressed metal foam, provides both low resistance and high rate performance to the electrodes and the cell. Examples of improvements over round bobbin and flat plate cells are current density, memory effect, shelf life, charge retention, and voltage level of discharge curve. In particular, the rechargeable flat plate electrode cell of the present disclosure provides longer cycle life with reduced capacity fade as compared with known round bobbin and flat plate cells. | 12-19-2013 |
20140220256 | PROCESS FOR MANUFACTURING A CONTINUOUS COATED IRON ELECTRODE - Provided is a continuous process for preparing a high quality and high performance iron electrode. The process comprises preparing a formulation comprising an iron active material and a binder and coating a continuous substrate material on a least one side with the formulation. The coated continuous substrate material is dried, compacted and blanked. A tab is then attached to the electrode. | 08-07-2014 |
20140220432 | ELECTROLYTE FOR A NICKEL-IRON BATTERY - Providing is a battery comprising an iron anode, a nickel cathode, and an electrolyte comprised of sodium hydroxide, lithium hydroxide and a soluble metal sulfide. In one embodiment the concentration of sodium hydroxide in the electrolyte ranges from 6.0 M to 7.5 M, the amount of lithium hydroxide present in the electrolyte ranges from 0.5 to 2.0 M, and the amount of metal sulfide present in the electrolyte ranges from 1-2% by weight. | 08-07-2014 |
20140220433 | LAYERED IRON ELECTRODE - The present invention provides one with a novel coated iron electrode. Provided is an iron based electrode comprising a single layer conductive substrate coated on at least one side with a multilayered coating, with each coating layer comprising an iron active material, and preferably a binder. The coating is comprised of at least two layers. Each layer has at least a different porosity or composition than an adjacent layer. The iron based electrode is useful in alkaline rechargeable batteries, particularly as a negative electrode in a Ni—Fe battery. | 08-07-2014 |
20140220434 | NICKEL IRON BATTERY EMPLOYING A COATED IRON ELECTRODE - Provided is a Ni—Fe battery comprising a high quality, high performance iron electrode. In one embodiment the iron electrode comprises a polyvinyl alcohol binder. The iron electrode of the Ni—Fe battery comprises a single conductive substrate coated on one or both sides with an iron active material. | 08-07-2014 |
20140220435 | CONTINUOUS COATED IRON ELECTRODE - Provided is a high quality and high performance iron electrode, which is prepared by a continuous process. The process comprises preparing a formulation comprising an iron active material and a binder, and coating a continuous substrate material on at least one side with the formulation. The coated continuous substrate material is dried, compacted and blanked. A tab is then attached to the electrode. In one embodiment, the iron electrode comprises a PVA binder. | 08-07-2014 |
20140220440 | COATED IRON ELECTRODE AND METHOD OF MAKING SAME - Provided is an iron based electrode comprising a single layer of a conductive substrate coated on at least one side with a coating comprising an iron active material and a binder. The iron based electrode is useful in a Ni—Fe battery as the anode. The electrode can also be prepared by continuously coating each side of the substrate with a coating mixture comprising the iron active material and binder. | 08-07-2014 |
20140220441 | IRON ELECTRODE EMPLOYING A POLYVINYL ALCOHOL BINDER - The present invention provides one with an iron electrode employing a binder comprised of polyvinyl alcohol (PVA) binder. In one embodiment, the invention comprises an iron based electrode comprising a single layer of a conductive substrate coated on at least one side with a coating comprising an iron active material and a binder, wherein the binder is PVA. This iron based electrode is useful in alkaline rechargeable batteries, particularly as a negative electrode in a Ni—Fe battery. | 08-07-2014 |
20140220460 | ELECTROLYTE FOR BATTERY CONTAINING AN IRON ELECTRODE - Provided is a battery comprising an iron electrode and an electrolyte comprised of sodium hydroxide, lithium hydroxide and a soluble metal sulfide. In one embodiment, the concentration of sodium hydroxide in the electrolyte ranges from 6.0 M to 7.5 M, the amount of lithium hydroxide present in the electrolyte ranges from 0.5 M to 2.0 M, and the amount of metal sulfide present in the electrolyte ranges from 1 to 2% by weight. | 08-07-2014 |
20150056504 | MANGANESE AND IRON ELECTRODE CELL - Provided is a Mn—Fe battery comprising an iron based anode and a manganese cathode. The manganese cathode comprises a compressed metal foam substrate with the manganese active material present throughout the substrate. The metal foam substrate containing the manganese active material is also compression sized between about 42 and 45%. | 02-26-2015 |
20150056505 | MANGANESE AND IRON ELECTRODE CELL - Provided is a Mn—Fe battery comprising an iron based electrode comprising a single layer of a conductive substrate coated on at least one side with a coating comprising an iron active material and a binder. The electrode can be prepared by continuously coating each side of the substrate with a coating mixture comprising the iron active material and binder. | 02-26-2015 |
20150059931 | PROCESS OF PREPARING A CHEMICALLY PRE-FORMED (CPF) IRON NEGATIVE ELECTRODE WITH OXIDIZING GASES - Provided is a process for preparing an electrode comprising an iron active material. The process comprises first fabricating an electrode comprising an iron active material, and then treating the electrode with a gaseous oxidant to thereby create an oxidized surface. The resulting iron electrode is preconditioned prior to any charge-discharge cycle to have the assessable surface of the iron active material in the same oxidation state as in discharged iron negative electrodes active material. | 03-05-2015 |
20150060739 | PROCESS OF PREPARING A CHEMICALLY PRE-FORMED (CPF) IRON NEGATIVE ELECTRODE WITH WATER - Provided is a process for preparing an electrode comprising an iron active material. The process comprises first fabricating an electrode comprising an iron active material, and then treating the surface of the electrode with water to thereby create an oxidized surface. The resulting iron electrode is preconditioned prior to any charge-discharge cycle to have the assessable surface of the iron active material in the same oxidation state as in discharged iron negative electrodes active material. | 03-05-2015 |
20150060740 | PROCESS OF PREPARING A CHEMICALLY PRE-FORMED (CPF) IRON NEGATIVE ELECTRODE WITH OXIDIZING COMPOUNDS - Provided is a process for preparing an electrode comprising an iron active material. The process comprises first fabricating an electrode comprising an iron active material, and then treating the surface of the electrode with an oxidant solution to thereby create an oxidized surface. The resulting iron electrode is thereby preconditioned prior to any charge-discharge cycle to have the assessable surface of the iron active material in the same oxidation state as in discharged iron negative electrodes active material. | 03-05-2015 |
20150064561 | ACCELERATED FORMATION AND INCREASED PERFORMANCE IN CHEMICALLY PRE-FORMED (CPF) IRON NEGATIVE ELECTRODES - Provided is a process for preparing an electrode comprising an iron active material. The process comprises first fabricating an electrode comprising an iron active material, and then treating the surface of the electrode with an oxidant to thereby create an oxidized surface. The resulting iron electrode is preconditioned prior to any charge-discharge cycle to have the assessable surface of the iron active material in the same oxidation state as in discharged iron negative electrodes active material. | 03-05-2015 |
20150064562 | NICKEL-IRON BATTERY WITH A CHEMICALLY PRE-FORMED (CPF) IRON NEGATIVE ELECTRODE - Provided is a Ni—Fe battery comprising an iron electrode which is preconditioned prior to any charge-discharge cycle. The preconditioned iron electrode used in the Ni—Fe battery is prepared by first fabricating an electrode comprising an iron active material, and then treating the surface of the electrode with an oxidant to thereby create an oxidized surface. | 03-05-2015 |
20150072226 | NICKEL-IRON BATTERY COMPRISING A GAS CHANNELING POLYOLEFIN SEPARATOR INLAY - Provided is a Ni-Fe battery comprising a positive electrode, a negative electrode, electrolyte, and a polyolefin separator/inlay interposed between the positive and negative electrodes, with the separator/inlay having channels that allow movement of gas. In one embodiment, the separator/inlay has channels that exist in at least two planes. | 03-12-2015 |
20150072227 | NICKEL-IRON BATTERY COMPRISING A GAS CHANNELING POLYMERIC SEPARATOR INLAY - Provided is a nickel-iron battery comprising a positive electrode, a negative electrode, electrolyte, and a polymeric separator/inlay interposed between the positive and negative electrodes, with the separator/inlay having channels that allow movement of gas. In one embodiment, the separator/inlay has channels that exist in at least two planes. In one embodiment, the separator inlay is comprised of a polyester, polyamide, polyvinyl chloride or fluorocarbon polymer. | 03-12-2015 |
20150072228 | ALKALINE BATTERY COMPRISING A GAS CHANNELING POLYMERIC SEPARATOR INLAY - Provided is an alkaline battery comprising a positive electrode, a negative electrode, electrolyte, and a polymeric separator/inlay interposed between the positive and negative electrodes, with the polymeric separator/inlay having channels that allow movement of gas. In one embodiment, the polymeric separator inlay is comprised of a polyester, polyamide, polyvinyl chloride or fluorocarbon polymer. | 03-12-2015 |
20150072229 | ALKALINE BATTERY COMPRISING A POLYOLEFIN GAS CHANNELING SEPARATOR INLAY - Provided is an alkaline battery comprising a positive electrode, a negative electrode, electrolyte, and a polyolefin separator/inlay interposed between the positive and negative electrodes, with the polyolefin separator/inlay having channels that allow for movement of gas. In one embodiment, the polyolefin separator inlay has channels that exist in two planes. | 03-12-2015 |
20150072242 | GAS CHANNELING POLYOLEFIN SEPARATOR INLAY - Provided is a polyolefin separator/inlay interposed between the positive and negative electrodes of a battery, with the separator/inlay having channels that exist in at least two planes. In one embodiment, the separator inlay is comprised of a polyolefin. | 03-12-2015 |
20150072243 | GAS CHANNELING POLYMERIC SEPARATOR INLAY - Provided is a polymeric separator/inlay interposed between the positive and negative electrodes of a battery, with the separator/inlay having channels that exist in at least two planes. In one embodiment, the separator inlay is comprised of a polyester, polyamide, polyvinyl chloride or fluorocarbon polymer. | 03-12-2015 |
20150162570 | BEVELED CELL DESIGN FOR AN ALKALINE BATTERY TO REMOVE GAS - Provided is an alkaline battery comprising an electrode stack having at least one positive electrode and at least one negative electrode with a separator disposed therebetween and a spacer between the tabs of similarly polarized electrodes of the electrode stack, which battery is contained in a cell casing that applies greater pressure to the electrode towards the bottom of the electrode stack and less pressure towards the top of the electrode stack. In one embodiment, the spacers between the tabs of similarly polarized electrodes are the teeth of a comb structure. | 06-11-2015 |
20150162571 | CONCAVE CELL DESIGN FOR AN ALKALINE BATTERY WITH A COMB SPACER - Provided is an alkaline battery comprising an electrode stack having at least one positive electrode and at least one negative electrode with a separator disposed therebetween and a spacer between the tabs of similarly polarized electrodes of the electrode stack, which is contained in a cell casing that applies greater pressure to the middle of the electrodes and less pressure to the edges of the electrode stack. In one embodiment, the battery is a nickel-iron battery. In one embodiment, the spacers between the tabs of similarly polarized electrodes are the teeth of a comb structure. | 06-11-2015 |
20150162572 | CELL DESIGN FOR AN ALKALINE BATTERY TO REMOVE GAS - Provided is an alkaline battery wherein the cell casing has a concave shape and the middle of the cell casing creates greater pressure on the middle of the electrode stack than at the edges of the electrode stack. In one embodiment, the battery comprises a positive nickel electrode and a negative iron electrode. | 06-11-2015 |
20150162573 | BEVELED CELL DESIGN FOR AN ALKALINE BATTERY - Provided is an alkaline battery comprising at least one positive electrode and at least one negative electrode with a separator disposed there between, which are contained in a cell casing that applies greater pressure to the electrodes toward the bottom of the electrode stack and less pressure towards the top of the electrode stack. In one embodiment, the battery comprises a positive nickel electrode and a negative iron electrode. | 06-11-2015 |
20150162601 | CELL DESIGN FOR AN ALKALINE BATTERY WITH CHANNELS IN ELECTRODES TO REMOVE GAS - Provided is an alkaline battery comprising at least one positive electrode and at least one negative electrode with a separator disposed therebetween, with at least one of the electrodes having alternating areas that are raised and lowered to create gaps between the electrode and the separator. In one embodiment, the battery comprises a positive nickel electrode and a negative iron electrode. | 06-11-2015 |