Patent application number | Description | Published |
20120077084 | LITHIUM BATTERY WITH CHARGING REDOX COUPLE - In accordance with one embodiment, an electrochemical cell includes a negative electrode including a form of lithium, a positive electrode spaced apart from the negative electrode and including an electron conducting matrix, a separator positioned between the negative electrode and the positive electrode, an electrolyte including a salt, and a charging redox couple located within the positive electrode, wherein the electrochemical cell is characterized by the transfer of electrons from a discharge product located in the positive electrode to the electron conducting matrix by the charging redox couple during a charge cycle. | 03-29-2012 |
20120094193 | HIGH SPECIFIC-ENERGY LI/O2-CO2 BATTERY - In accordance with one embodiment, an electrochemical cell includes a negative electrode including a form of lithium, a positive electrode spaced apart from the negative electrode and configured to use a form of oxygen and carbon dioxide as reagents in a reversible electrochemical reaction wherein Li | 04-19-2012 |
20120315554 | Lithium/Air Battery with Variable Volume Insertion Material - In accordance with one embodiment, an electrochemical cell includes a negative electrode including a form of lithium, a positive electrode spaced apart from the negative electrode and including an electron conducting matrix and a lithium insertion material which exhibits a volume change when lithium is inserted, a separator positioned between the negative electrode and the positive electrode; and an electrolyte including a salt, wherein Li | 12-13-2012 |
20130095395 | Stable Electrolyte Materials for Li-Air Battery Systems - An electrochemical cell in one embodiment includes a first electrode, and a second electrode spaced apart from the first electrode, the second electrode including a substrate of active material, a form of lithium, and a solvent or electrolyte having an electrophilicity index value of less than or equal to 1.1 eV. | 04-18-2013 |
20130115485 | Lithium-Ion Battery with Life Extension Additive - A system and/or method for replenishing lithium-ion battery capacity that is lost due to side reactions over the lifetime of a battery in one embodiment includes a battery with a first electrode, a second electrode, a separator region configured to electronically isolate the first and second electrodes, a first portion of lithium metal encapsulated within a first ionically insulating barrier configured to prevent transport of lithium ions therethrough, a memory in which command instructions are stored, and a processor configured to execute the command instructions to (i) determine a first lithium content of the first electrode, (ii) compare the first lithium content of the first electrode to a first threshold, and (iii) activate the first portion of lithium metal based on the comparison of the first lithium content to the first threshold. | 05-09-2013 |
20130200855 | System and Method for Discharging a Battery in a Vehicle after a Crash - In one embodiment, a discharge control system for a vehicle includes an energy storage device supported by the vehicle, a switch, a first load selectively connectable to the energy storage device by the switch, a memory in which program instructions are stored, and a controller operatively connected to the switch and the memory and configured to execute the program instructions to control the switch to a condition in which the energy storage device is operatively connected to the first load based upon a predetermined rate of heat generation of the energy storage device. | 08-08-2013 |
20130280624 | Metal/Air Battery with Oxidation Resistant Cathode - A method of forming a metal/air electrochemical cell in one embodiment includes forming a negative electrode including a form of lithium as an active ingredient, providing a three dimensional network formed from an inert material, forming a positive electrode using the three dimensional network, providing a separator between the negative electrode and the positive electrode, and providing for a supply of oxygen to the positive electrode. | 10-24-2013 |
20130330630 | Metal/Oxygen Battery with Internal Oxygen Reservoir - An electrochemical cell in one embodiment includes a negative electrode, a positive electrode spaced apart from the negative electrode, a separator positioned between the negative electrode and the positive electrode; and an active material particle within the positive electrode, the active material particle including an outer shell defining a core with a substantially constant volume and including a form of oxygen, the outer shell substantially impervious to oxygen and pervious to lithium. | 12-12-2013 |
20130330641 | Electrolyte Additive for Metal-Air Batteries - In accordance with one embodiment, an electrochemical cell includes a negative electrode including a form of lithium, a positive electrode spaced apart from the negative electrode and including an electron conducting matrix and a lithium insertion material wherein Li | 12-12-2013 |
20140017578 | Reducing Oxygen and Electrolyte Transport Limitations in the Lithium/Oxygen Battery through Electrode Design and Wetting Control - A battery system in one embodiment includes a negative electrode, a separator layer adjacent to the negative electrode, and a positive electrode adjacent to the separator layer, the positive electrode including a gas phase and an electrically conductive framework defining at least one wetting channel, the wetting channel configured to distribute an electrolyte within the electrically conductive framework. | 01-16-2014 |
20140030612 | Metal/Oxygen Battery with Growth Promoting Structure - In one embodiment, an electrochemical cell includes a negative electrode, a porous separator adjacent to the negative electrode, and a positive electrode separated from the negative electrode by the porous separator, the positive electrode including a conductive matrix and a plurality of insulator particles extending from the conductive matrix. | 01-30-2014 |
20140044999 | Metal/Air Flow Battery - In one embodiment, a battery system includes a negative electrode, a separator adjacent to the negative electrode, a positive electrode separated from the negative electrode by the separator, the positive electrode including an electrode inlet and an electrode outlet, an electrolyte including about 5 molar LiOH located within the positive electrode, and a first pump having a first pump inlet in fluid communication with the electrode outlet and a first pump outlet in fluid communication with the electrode inlet and controlled such that the first pump receives the electrolyte from the electrode outlet and discharges the electrolyte to the electrode inlet during both charge and discharge of the battery system. | 02-13-2014 |
20140045079 | METAL/OXYGEN BATTERY WITH MODIFIED ELECTRODE - In one embodiment, a metal/oxygen electrochemical cell includes a negative electrode, a separator positioned adjacent to the negative electrode, a positive electrode spaced apart from the negative electrode by the separator, the positive electrode including a porous electrically conductive material portion, the porous electrically conductive material portion coated with a conformally coated protective layer, and an electrolyte within the porous electrically conductive material portion. | 02-13-2014 |
20140045080 | Controlling the Location of Product Distribution and Removal in a Metal/Oxygen Cell - In accordance with one embodiment, an electrochemical cell includes a negative electrode including a form of lithium, a positive electrode spaced apart from the negative electrode and configured to use a form of oxygen as a reagent, a separator positioned between the negative electrode and the thick positive electrode, and an electrolyte including a salt concentration of less than 1 molar filling or nearly filling the positive electrode. | 02-13-2014 |
20140087273 | METAL/OXYGEN BATTERY WITH PRECIPITATION ZONE - In one embodiment, an electrochemical cell includes a negative electrode, a positive electrode, a precipitation zone located between the negative electrode and the positive electrode and in fluid communication with the positive electrode, and a fluid electrolyte within the positive electrode and the precipitation zone, wherein the precipitation zone is configured such that a discharge product which is produced as the cell discharges is preferentially precipitated within the precipitation zone. | 03-27-2014 |
20140234684 | Redox Flow Battery System including an Anode Electrode having a Subsurface Alloy - A hydrogen/bromine reduction-oxidation flow battery system includes a bromine electrode, a hydrogen electrode, a membrane, a first catalyst, and a second catalyst. The membrane is positioned between the bromine electrode and the hydrogen electrode. The first catalyst is associated with the bromine electrode. The second catalyst is associated with the hydrogen electrode and at least partially formed from a subsurface alloy configured (i) to promote facile dissociation of H | 08-21-2014 |
20140234731 | Metal/Air Battery with Gas Separation Nanostructure - A metal/air electrochemical cell in one embodiment includes a negative electrode, a positive electrode, an oxygen supply, and a closed oxygen conducting membrane less than about 50 microns thick located between the oxygen supply and the positive electrode. | 08-21-2014 |
20140272611 | Metal/Oxygen Battery with an Oxygen Supply System - In one embodiment, a metal/oxygen battery with an oxygen management system includes a negative electrode, a positive electrode, a separator positioned between the negative electrode and the positive electrode, a first oxygenated gas supply reservoir, a compressor with an outlet fluidly coupled to the first oxygenated gas supply reservoir, and a valve and pressure regulator fluidly coupled to the first oxygenated gas supply reservoir and to the positive electrode and configured to place the first oxygenated gas supply reservoir in fluid communication with the positive electrode during a discharge cycle, and place the positive electrode in fluid communication with an inlet of the compressor during a charge cycle. | 09-18-2014 |