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 |