Patent application number | Description | Published |
20090325063 | METHOD FOR HIGH VOLUME MANUFACTURE OF ELECTROCHEMICAL CELLS USING PHYSICAL VAPOR DEPOSITION - Embodiments of the present invention relate to apparatuses and methods for fabricating electrochemical cells. One embodiment of the present invention comprises a single chamber configurable to deposit different materials on a substrate spooled between two reels. In one embodiment, the substrate is moved in the same direction around the reels, with conditions within the chamber periodically changed to result in the continuous build-up of deposited material over time. Another embodiment employs alternating a direction of movement of the substrate around the reels, with conditions in the chamber differing with each change in direction to result in the sequential build-up of deposited material over time. The chamber is equipped with different sources of energy and materials to allow the deposition of the different layers of the electrochemical cell. | 12-31-2009 |
20090326696 | COMPUTATIONAL METHOD FOR DESIGN AND MANUFACTURE OF ELECTROCHEMICAL SYSTEMS - A method for manufacturing an electrochemical cell. The method includes generating spatial information including an anode geometry, a cathode geometry, a separator geometry, and one or more current collector geometries. The method also includes storing the spatial information including the anode geometry, the cathode geometry, the separator geometry, and the one or more current collector geometries into a database structure. In a specific embodiment, the method includes selecting one or more material properties from a plurality of materials and using the one or more material properties with the spatial information in a simulation program. The method includes outputting one or more performance parameters from the simulation program. | 12-31-2009 |
20100035152 | ELECTROCHEMICAL CELL INCLUDING FUNCTIONALLY GRADED AND ARCHITECTURED COMPONENTS AND METHODS - Electrochemical cells or batteries featuring functional gradations, and having desirable, periodic configurations, and methods for making the same. One or more methods, in alone or in combination, are utilized to fabricate components of such electrochemical cells or batteries, which are designed to achieve certain thermal, mechanical, kinetic and spatial characteristics, and their effects, singly and in all possible combinations, on battery performance. The thermal characteristics relate to temperature distribution during charge and discharge processes. The kinetic characteristics relate to rate performance of the cells or batteries such as the ionic diffusion process and electron conduction. The mechanical characteristics relate to lifetime and efficiency of the cells or batteries such as the strength and moduli of the component materials. Finally, the spatial characteristics relate to the energy and power densities, stress and temperature mitigation mechanisms, and diffusion and conduction enhancements. The electrochemical cells or batteries constructed according to the methods presented in this invention are useful for all applications that require high rate performance, high energy/power density, good durability, high safety and long lifetime. | 02-11-2010 |
20110202159 | COMPUTATIONAL METHOD FOR DESIGN AND MANUFACTURE OF ELECTROCHEMICAL SYSTEMS - A method for manufacturing an electrochemical cell. The method includes generating spatial information including an anode geometry, a cathode geometry, a separator geometry, and one or more current collector geometries. The method also includes storing the spatial information including the anode geometry, the cathode geometry, the separator geometry, and the one or more current collector geometries into a database structure. In a specific embodiment, the method includes selecting one or more material properties from a plurality of materials and using the one or more material properties with the spatial information in a simulation program. The method includes outputting one or more performance parameters from the simulation program. | 08-18-2011 |
Patent application number | Description | Published |
20130183559 | LEAD-ACID BATTERY DESIGN HAVING VERSATILE FORM FACTOR - An electrochemical storage device comprises a plurality of layer electrodes, wherein each layer electrode includes a first charged sector and a second charged sector, wherein the second charged sector is charged oppositely compared to the first charged sector, and wherein the plurality of layer electrodes are assembled with respect to each other such that the first charged sector of a first plate of the plurality of layer electrodes is laid below the second charged sector of a second plate of the plurality of layer electrodes located immediately above the first plate, wherein the charges of the first charged sectors of the first and second plates have a first sign and the charges of the second charged sectors of the first and second plates have a second sign that is opposite the first sign; a separator sector located, and enabling ionic charge exchange between the first charged sector of the first plate and the second charged sector of the second plate. | 07-18-2013 |
20130183581 | SUBSTRATE FOR ELECTRODE OF ELECTROCHEMICAL CELL - An improved substrate is disclosed for an electrode of an electrochemical cell. The improved substrate includes a core material surrounded by a coating. The coating is amorphous such that the coating includes substantially no grain boundaries. The core material may be one of lead, fiber glass, and titanium. The coating may be one of lead, lead-dioxide, titanium nitride, and titanium dioxide. Further, an intermediate adhesion promoter surrounds the core material to enhance adhesion between the coating and the core material. | 07-18-2013 |
20130216857 | METALLIC ALLOYS HAVING AMORPHOUS, NANO-CRYSTALLINE, OR MICROCRYSTALLINE STRUCTURE - A metal alloy for use in a wire included in an electrochemical cell is disclosed having an amorphous structure, microcrystalline grains, or grains that are sized less than about one micron. In various embodiments, the microcrystalline grains are not generally longitudinally oriented, are variably oriented, or are randomly oriented. In some embodiments, the microcrystalline grains lack uniform grain size or are variably sized. In some embodiments, the microcrystalline grains have an average grain size of less than or equal to 5 microns. In some embodiments, the metal alloy lacks long-range crystalline order among the microcrystalline grains. In some embodiments, the wire is used in a substrate used in the electrochemical cell. In some embodiments, the metal alloy is formed using a co-extrusion process comprising warming up the metallic alloy and applying pressure and simultaneously passing a core material through a die to obtain a composite structure. | 08-22-2013 |
20130309550 | LEAD-ACID BATTERY WITH HIGH POWER DENSITY AND ENERGY DENSITY - A battery module for an electric vehicle or a hybrid electric vehicle having two or more battery components. An lead-acid electrochemical storage device is provided, comprising a specific power of between about 550 and about 1,900 Watts/kilogram; and a specific energy of between about 25 and about 80 Watt-hours/kilogram. | 11-21-2013 |
20130309554 | LEAD-ACID BATTERY WITH HIGH SPECIFIC POWER AND SPECIFIC ENERGY - The present disclosure includes a lead-acid battery having higher specific power and specific energy than prior known lead-acid batteries. A lead-acid electrochemical storage device is provided, comprising a specific power of between about 650 and about 3,050 Watts/kilogram; and a specific energy of between about 10 and about 80 Watt-hours/kilogram. In some embodiments, the device has a cycle life of greater than 150 cycles and is adapted for use in a vehicle application. The application comprises stop/start or the partial or complete electrification of the vehicle propulsion system. The device may have a bipolar or pseudo-bipolar design, multiple cells disposed within a common casing, and the cells are connected ionically within each cell and electronically between cells. | 11-21-2013 |
20140050986 | ACTIVE MATERIALS FOR LEAD ACID BATTERY - The present disclosure describes a series of improvements to the positive active material and negative active material of electrochemical cells. In particular, the present disclosure describes improvements in the lead oxide powder, processing, and additives used to make the positive active material and negative active material for pastes used to make electrodes for lead acid batteries. The present disclosure describes materials and processing that enable the formation of positive active materials having density comparable to conventional material but with substantially higher porosity and improved mechanical properties and the formation of negative active materials using substantially shorter and less energy intensive processing. | 02-20-2014 |
20140186659 | HYBRID BATTERY SYSTEM FOR ELECTRIC AND HYBRID ELECTRIC VEHICLES - A disclosed energy storage system for an application having an energy requirement and a power requirement may include a first component configured to provide the energy requirement of the application and a second component configured to provide the power requirement of the application. At least one of a volume, mass, weight, or cost of the combination of the first component and the second component may be less than a volume, mass, weight, or cost needed for either the first component or the second component to provide the energy requirement and the power requirement of the application. An anode of the second component may comprise lithium titanate. | 07-03-2014 |
20140272527 | SEPARATOR COMPONENTS AND SYSTEM FOR ENERGY STORAGE AND CONVERSION DEVICES - Components and systems for energy storage and conversion devices are disclosed. An exemplary system may include a positive electrode, a negative electrode, and a separator disposed between the positive electrode and the negative electrode for providing ionic transport. The system may also include a hydrophobic portion on the separator. The hydrophobic portion may comprise hydrophobic pathways formed on the surface of the separator. The system may also include a hydrophilic portion on the separator. Another exemplary system may include an absorptive glass mat separator having a hydrophobic portion and a textured PVC separator. An exemplary method may include manufacturing the separator and applying a hydrophobic portion on the separator. The method may also include applying a hydrophilic portion to the separator. | 09-18-2014 |
20140377596 | HYBRID BATTERY SYSTEM FOR ELECTRIC AND HYBRID ELECTRIC VEHICLES - An electrochemical energy storage system is provided for an application having design energy and power requirements. The electrochemical energy storage system comprises first and second energy storage system components having different electro-chemistries and formed in different units. Said first energy storage system component includes a non-lead-acid battery adapted to provide the energy requirements of the application. Said second energy storage system component includes a lead-acid battery adapted to provide the power requirements of the application. Said first and second energy storage system components have a combined capacity that is less than a capacity of a mono-electrochemical energy storage system adapted to supply both the power and energy requirements of the application. | 12-25-2014 |
Patent application number | Description | Published |
20080245587 | Vehicle Hybrid Energy System - A hybrid energy storage system suitable for use in a vehicle having an electrified drivetrain includes a first energy storage module and a second energy storage module that is different than the first energy storage module. The first energy storage module may have a cell configuration, a cell chemistry, a cell number, a controller or another characteristic different than a like characteristic of the second energy storage module. | 10-09-2008 |
20080248382 | Deposited Microarchitectured Battery and Manufacturing Method - A battery includes a first portion including a substrate having formed thereon a current collector and an anode electrode material. A second portion is formed on a substrate and includes a current collector and a cathode electrode material. The first portion is joined to the second portion and a separator is disposed between the first portion and the second portion as joined to separate the anode electrode material from the cathode electrode material. An electrolyte is placed in contact with the anode electrode material, the cathode electrode material and the separator. | 10-09-2008 |
20100136245 | METHOD FOR MANUFACTURE AND STRUCTURE OF MULTIPLE ELECTROCHEMISTRIES AND ENERGY GATHERING COMPONENTS WITHIN A UNIFIED STRUCTURE - The present invention provides a method to design, manufacture and structure a multi-component energy device having a unified structure, wherein the individual components are chosen from the list consisting of electrochemical cells, photovoltaic cells, fuel-cells, capacitors, ultracapacitors, thermoelectric, piezoelectric, microelectromechanical turbines and energy scavengers. Said components are organized into a structure to achieve an energy density, power density, voltage range, current range and lifetime range that the single components could not achieve individually, i.e. to say the individual components complement each other. The individual components form a hybrid structure, wherein the elements are in electrical, chemical and thermal conduction with each other. The electrochemical cells present multiple chemistries to accommodate a wider range of voltage and current compared to individual ones; energy-scavenging elements are utilized to collect energy and replenish it to other components within the unified structure. | 06-03-2010 |
20100138072 | CONTROL OF CELLS, MODULES AND A PACK COMPRISED OF HYBRIDIZED ELECTROCHEMISTRIES - A power management apparatus for a hybridized energy device includes a hybridized energy device including a plurality of units. The units include electrical energy storage and/or gathering cells, in series or in parallel to form a module. A plurality of the modules in series or in parallel form a pack. The power management apparatus also includes a central management apparatus (CMA) interconnecting a plurality of module management apparatus (MMAs) by means of either wired or wireless connections and a plurality of MMAs. Each MMA interconnects with a plurality of unit management apparatuses by means of either wireless or wired communication circuits. The power management apparatus further includes a plurality of units management apparatuses (UMAs), each wired, connected with, or deposited on a unit. Furthermore, the power management apparatus includes a rechargeable battery power source for a CMA, a plurality of MMAs, and a plurality of UMAs. | 06-03-2010 |
20110212268 | METHOD FOR HIGH VOLUME MANUFACTURE OF ELECTROCHEMICAL CELLS USING PHYSICAL VAPOR DEPOSITION - Embodiments of the present invention relate to apparatuses and methods for fabricating electrochemical cells. One embodiment of the present invention comprises a single chamber configurable to deposit different materials on a substrate spooled between two reels. In one embodiment, the substrate is moved in the same direction around the reels, with conditions within the chamber periodically changed to result in the continuous build-up of deposited material over time. Another embodiment employs alternating a direction of movement of the substrate around the reels, with conditions in the chamber differing with each change in direction to result in the sequential build-up of deposited material over time. The chamber is equipped with different sources of energy and materials to allow the deposition of the different layers of the electrochemical cell. | 09-01-2011 |
20110217578 | METHOD FOR HIGH VOLUME MANUFACTURE OF ELECTROCHEMICAL CELLS USING PHYSICAL VAPOR DEPOSITION - Embodiments of the present invention relate to apparatuses and methods for fabricating electrochemical cells. One embodiment of the present invention comprises a single chamber configurable to deposit different materials on a substrate spooled between two reels. In one embodiment, the substrate is moved in the same direction around the reels, with conditions within the chamber periodically changed to result in the continuous build-up of deposited material over time. Another embodiment employs alternating a direction of movement of the substrate around the reels, with conditions in the chamber differing with each change in direction to result in the sequential build-up of deposited material over time. The chamber is equipped with different sources of energy and materials to allow the deposition of the different layers of the electrochemical cell. | 09-08-2011 |
20120058377 | ELECTRIC VEHICLE PROPULSION SYSTEM AND METHOD UTILIZING SOLID-STATE RECHARGEABLE ELECTROCHEMICAL CELLS - A vehicle propulsion system comprising a plurality of solid state rechargeable battery cells configured to power a drivetrain. In accordance with once aspect of the invention, a transportation system that is powered at least in part by electricity stored in the form of rechargeable electrochemical cells. According to an embodiment of the present invention, these cells are combined in series and in parallel to form a pack that is regulated by charge and discharge control circuits that are programmed with algorithms to monitor state of charge, battery lifetime, and battery health. | 03-08-2012 |
20120219830 | METHOD FOR MANUFACTURE AND STRUCTURE OF MULTIPLE ELECTROCHEMISTRIES AND ENERGY GATHERING COMPONENTS WITHIN A UNIFIED STRUCTURE - A method for using an integrated battery and device structure includes using two or more stacked electrochemical cells integrated with each other formed overlying a surface of a substrate. The two or more stacked electrochemical cells include related two or more different electrochemistries with one or more devices formed using one or more sequential deposition processes. The one or more devices are integrated with the two or more stacked electrochemical cells to form the integrated battery and device structure as a unified structure overlying the surface of the substrate. The one or more stacked electrochemical cells and the one or more devices are integrated as the unified structure using the one or more sequential deposition processes. The integrated battery and device structure is configured such that the two or more stacked electrochemical cells and one or more devices are in electrical, chemical, and thermal conduction with each other. | 08-30-2012 |
20130017433 | DEPOSITED MICROARCHITECTURED BATTERY AND MANUFACTURING METHOD - A battery includes a first portion including a substrate having formed thereon a current collector and an anode electrode material. A second portion is formed on a substrate and includes a current collector and a cathode electrode material. The first portion is joined to the second portion and a separator is disposed between the first portion and the second portion as joined to separate the anode electrode material from the cathode electrode material. An electrolyte is placed in contact with the anode electrode material, the cathode electrode material and the separator. | 01-17-2013 |
20130059172 | ELECTRIC VEHICLE PROPULSION SYSTEM AND METHOD UTILIZING SOLID-STATE RECHARGEABLE ELECTROCHEMICAL CELLS - A vehicle propulsion system comprising a plurality of solid state rechargeable battery cells configured to power a drivetrain. In accordance with once aspect of the invention, a transportation system that is powered at least in part by electricity stored in the form of rechargeable electrochemical cells. According to an embodiment of the present invention, these cells are combined in series and in parallel to form a pack that is regulated by charge and discharge control circuits that are programmed with algorithms to monitor state of charge, battery lifetime, and battery health. | 03-07-2013 |
20130266827 | ELECTRIC VEHICLE PROPULSION SYSTEM AND METHOD UTILIZING SOLID-STATE RECHARGEABLE ELECTROCHEMICAL CELLS - A vehicle propulsion system comprising a plurality of solid state rechargeable battery cells configured to power a drivetrain is disclosed. In accordance with one aspect of the invention, a transportation system that is powered at least in part by electricity stored in the form of rechargeable electrochemical cells. According to an embodiment of the present invention, these cells are combined in series and in parallel to form a pack that is regulated by charge and discharge control circuits that are programmed with algorithms to monitor state of charge, battery lifetime, and battery health. | 10-10-2013 |
20130288084 | ELECTRIC VEHICLE PROPULSION SYSTEM AND METHOD UTILIZING SOLID-STATE RECHARGEABLE ELECTROCHEMICAL CELLS - A vehicle propulsion system comprising a plurality of solid state rechargeable battery cells configured to power a drivetrain. In accordance with once aspect of the invention, a transportation system that is powered at least in part by electricity stored in the form of rechargeable electrochemical cells. According to an embodiment of the present invention, these cells are combined in series and in parallel to form a pack that is regulated by charge and discharge control circuits that are programmed with algorithms to monitor state of charge, battery lifetime, and battery health. | 10-31-2013 |
20140050857 | METHOD FOR MANUFACTURE AND STRUCTURE OF MULTIPLE ELECTROCHEMISTRIES AND ENERGY GATHERING COMPONENTS WITHIN A UNIFIED STRUCTURE - A method for using an integrated battery and device structure includes using two or more stacked electrochemical cells integrated with each other formed overlying a surface of a substrate. The two or more stacked electrochemical cells include related two or more different electrochemistries with one or more devices formed using one or more sequential deposition processes. The one or more devices are integrated with the two or more stacked electrochemical cells to form the integrated battery and device structure as a unified structure overlying the surface of the substrate. The one or more stacked electrochemical cells and the one or more devices are integrated as the unified structure using the one or more sequential deposition processes. The integrated battery and device structure is configured such that the two or more stacked electrochemical cells and one or more devices are in electrical, chemical, and thermal conduction with each other. | 02-20-2014 |
20140072837 | ELECTRIC VEHICLE PROPULSION SYSTEM AND METHOD UTILIZING SOLID-STATE RECHARGEABLE ELECTROCHEMICAL CELLS - A vehicle propulsion system comprising a plurality of solid state rechargeable battery cells configured to power a drivetrain. In accordance with once aspect of the invention, a transportation system that is powered at least in part by electricity stored in the form of rechargeable electrochemical cells. According to an embodiment of the present invention, these cells are combined in series and in parallel to form a pack that is regulated by charge and discharge control circuits that are programmed with algorithms to monitor state of charge, battery lifetime, and battery health. | 03-13-2014 |