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US20130011702 Redox Flow Battery System with Divided Tank System  
A redox flow battery system is provided with one or more tanks for containing electrolytes. Embodiments of electrolyte tanks include active and/or passive dividers within a single tank structure....
US20120321915 ELECTROCHEMICAL POWER DELIVERY VOLTAGE REGULATOR  
An electrochemical power delivery voltage regulator. The regulator includes one or more fluid circuits having a first electrolyte solution with a primary redox couple and a secondary redox couple;...
US20120189880 ELECTROCHEMICAL POWER DELIVERY VOLTAGE REGULATOR  
An electrochemical power delivery voltage regulator. The regulator includes one or more fluid circuits having a first electrolyte solution with a primary redox couple and a secondary redox couple;...
US20140272482 ELECTROLYTE PROTECTION COMPOSITIONS AND METHODS  
A barrier on the surface of the negative electrolyte solution of a redox flow battery can decrease air oxidation of a charged species in the negative electrolyte solution and can decrease water...
US20130122344 AQUEOUS ELECTROLYTE LITHIUM SULFUR BATTERIES  
Provided are lithium sulfur battery cells that use water as an electrolyte solvent. In various embodiments the water solvent enhances one or more of the following cell attributes: energy density,...
US20130122334 AQUEOUS ELECTROLYTE LITHIUM SULFUR BATTERIES  
Provided are lithium sulfur battery cells that use water as an electrolyte solvent. In various embodiments the water solvent enhances one or more of the following cell attributes: energy density,...
US20130059189 PRESSURE DENSITY DIFFERENTIAL DEVICE  
An electrochemical cell provided with two half cells. A pressure or density differential is created between the cathode and anode electrodes, each of which is contained in one of the half cells....
US20140272512 Redox Flow Battery System Configuration For Minimizing Shunt Currents  
Various embodiments of redox flow battery stack assemblies may include a plurality of multiple-block strings, where each string may include a plurality of reaction blocks connected in electrical...
US20120077068 Redox Flow Batteries Having Multiple Electroactive Elements  
Introducing multiple redox reactions with a suitable voltage range can improve the energy density of redox flow battery (RFB) systems. One example includes RFB systems utilizing multiple redox...
US20140178735 REDOX FLOW BATTERY SYSTEM  
A redox flow battery system having an electrochemical cell and an energy reservoir. The system includes a cathodic compartment, an anodic compartment, a separator that divides the two...
US20150207165 Redox Flow Cell Comprising High Molecular Weight Compounds as Redox Pair and Semipermeable Membrane for Storage of Electrical Energy  
It was an object of the invention to provide, by use of new materials and membranes and with very little outlay, an inexpensive and long-lived redox flow cell which even in the event of a possible...
US20120225332 THERMAL ELECTROCHEMICAL CELL  
Technologies are generally described for methods and systems for implementing a thermal electrochemical cell. Some example electrochemical cells described herein may comprise a first container...
US20150004452 SEPARATORLESS STORAGE BATTERY  
There is herein described energy storage batteries and methods of manufacturing said energy storage batteries. More particularly, there is described energy storage batteries comprising a laminar...
US20140349161 SYSTEMS AND METHODS FOR SHUNT CURRENT AND MECHANICAL LOSS MITIGATION IN ELECTROCHEMICAL SYSTEMS  
Systems and methods for shunt current and mechanical loss mitigation in electrochemical systems include a conduit providing at least a portion of an electrically conductive pathway between the...
US20130095362 VANADIUM FLOW CELL  
A Vanadium chemistry flow cell battery system is described. Methods of forming the electrolyte, a formulation for the electrolyte, and a flow system utilizing the electrolyte are disclosed....
US20150249253 ION EXCHANGE MEMBRANE FILLING COMPOSITION, METHOD OF PREPARING ION EXCHANGE MEMBRANE, ION EXCHANGE MEMBRANE, AND REDOX FLOW BATTERY  
A composition for filling an ion exchange membrane, a method of preparing the ion exchange membrane, the filled ion exchange membrane, and a redox flow battery using the filled ion exchange...
US20150236543 MATERIALS FOR USE WITH AQUEOUS REDOX FLOW BATTERIES AND RELATED METHODS AND SYSYTEMS  
Described herein are redox flow batteries comprising a first aqueous electrolyte comprising a first type of redox active material and a second aqueous electrolyte comprising a second type of redox...
US20070072067 Vanadium redox battery cell stack  
A vanadium redox battery energy storage system is disclosed. The system may include a battery cell stack having at least one cell having a catholyte solution, a positive electrode in communication...
US20120107660 Redox Flow Batteries Based on Supporting Solutions Comprising a Mixture of Acids  
Redox flow battery systems having a supporting solution that contains Cl” ions can exhibit improved performance and characteristics. Furthermore, a supporting solution having mixed SO42− and Cl−...
US20110086247 REDOX FLOW CELL REBALANCING  
A redox cell rebalance system is provided. In some embodiments, the rebalance system includes electrochemical cell and a photochemical cell. In some embodiments, the photochemical cell contains a...
US20100003545 Redox Flow Battery System for Distributed Energy Storage  
A large stack redox flow battery system provides a solution to the energy storage challenge of many types of renewable energy systems. Independent reaction cells arranged in a cascade...
US20130260187 REPLENISHABLE DOWNHOLE BATTERY  
A battery for downhole use configured for fluid-based replenishment. The battery may include separate anode and cathode fluid tanks which may be refilled at various times throughout the life of...
US20130316199 ELECTROCHEMICAL BALANCE IN A VANADIUM FLOW BATTERY  
A Flow Cell System that utilizes a Vanadium Chemistry is provided. The flow cell system includes a stack, storage tanks for electrolyte, and a rebalance system coupled to correct the electrolyte...
US20110070469 SUPPLYING POWER FOR A MICRO SYSTEM  
A micro system power supply (1) comprises a compartment (7), at least one ion sink void (51, 52) being separated from the compartment (7) by ion pervious separation means (61, 62), a first...
US20140170459 Liquid Electrolyte for Increasing Capacity and Cycling Retention of Lithium Sulfur Battery  
We provide a liquid electrolyte for a lithium-sulfur battery. Electrolytes of the invention may include a protecting additive; a lithium salt (in addition to LiNO3, if that is selected as the...
US20070178370 Lithium-ion batteries with intrinsic pulse overcharge protection  
The present invention relates in general to the field of lithium rechargeable batteries, and more particularly relates to the positive electrode design of lithium-ion batteries with improved...
US20110045332 Redox Flow Battery System for Distributed Energy Storage  
A large stack redox flow battery system provides a solution to the energy storage challenge of many types of renewable energy systems. Independent reaction cells arranged in a cascade...
US20130034766 SEPARATOR FOR REDOX FLOW BATTERY AND REDOX FLOW BATTERY INCLUDING SAME  
A separator for a redox flow battery including a proton conductive polymer including a first repeating unit represented by the following Chemical Formula 1a and a second repeating unit represented...
US20110086250 METHOD AND APPARATUS FOR STORING ELECTRICAL POWER BY EVAPORATING WATER  
Electrical energy is stored in a concentrated solution. To recover the energy, the concentrated solution is rediluted for example by pressure retarded osmosis. The concentrated solution is...
US20150180049 SYSTEMS AND METHODS FOR GENERATING ELECTRIC POWER FROM SALTS AND MINERALS IN BODIES OF WATER  
An electricity generating system includes a first electrode located at a first location in a body of salt water and a second electrode located at a second location in the body of salt water. The...
US20130266836 Hybrid Energy Storage Systems Utilizing Redox Active Organic Compounds  
Redox flow batteries (RFB) have attracted considerable interest due to their ability to store large amounts of power and energy. Non-aqueous energy storage systems that utilize at least some...
US20100216006 REDOX BATTERY  
The invention relates to a redox battery comprising a proton-permeable membrane, a first electrolyte (5) and a second electrolyte (6), as well as a first electrode (7) and a second electrode (8)....
US20130071702 FUEL CELLS  
A redox fuel cell comprising an anode and a cathode separated by an ion selective polymer electrolyte membrane; means for supplying a fuel to the anode region of the cell; means for supplying an...
US20110200848 HIGH ENERGY DENSITY REDOX FLOW DEVICE  
Redox flow devices are described in which at least one of the positive electrode or negative electrode-active materials is a semi-solid or is a condensed ion-storing electroactive material, and in...
US20140193673 POLARITY SWITCHING FLOW BATTERY SYSTEM AND METHOD  
A flow battery system and method are provided. The flow battery system may include a feed system feeding positive electrolyte from a first storage tank to a positive inlet of a battery stack and...
US20120133323 NON-DIFFUSION LIQUID ENERGY STORAGE DEVICE  
Disclosed herein is an efficient and high capacity electrical energy storage device consisting of diaphragm-less anode and cathode cells charging and discharging an electrolyte containing suitable...
US20070166609 ADDITIVES FOR NON-AQUEOUS ELECTROLYTE AND LITHIUM SECONDARY BATTERY USING THE SAME  
Disclosed is an electrolyte for batteries, comprising: (a) an electrolyte salt; (b) an organic solvent; (c) a first compound having an oxidation initiation voltage (vs. Li/Li+) higher than the...
US20120141856 MODERATE TEMPERATURE SODIUM BATTERY  
A rechargeable galvanic cell that has a negative electrode material made of a molten alkali metal (such as sodium or lithium). The galvanic cell also includes a positive electrode active material...
US20050100786 Nonaqueous lithium secondary battery with cyclability and/or high temperature safety improved  
The present invention provides: (i) a nonaqueous electrolyte for batteries, which is characterized by containing halogen; (ii) a nonaqueous electrolyte for batteries, which is characterized by...
US20140004402 DOUBLE-MEMBRANE TRIPLE-ELECTROLYTE REDOX FLOW BATTERY DESIGN  
A novel design has been invented for redox flow batteries. Different from the single-membrane, double-electrolyte redox flow battery as a basic structure, the design of the present invention...
US20150243991 SMALL ORGANIC MOLECULE BASED FLOW BATTERY  
The invention provides an electrochemical cell based on a new chemistry for a flow battery for large scale, e.g., grid-scale, electrical energy storage. Electrical energy is stored chemically at...
US20140248521 HIGH ENERGY DENSITY REDOX FLOW DEVICE  
Redox flow devices are described including a positive electrode current collector, a negative electrode current collector, and an ion-permeable membrane separating said positive and negative...
US20110189520 HIGH ENERGY DENSITY REDOX FLOW DEVICE  
Redox flow devices are described including a positive electrode current collector, a negative electrode current collector, and an ion-permeable membrane separating said positive and negative...
US20140030573 AQUEOUS REDOX FLOW BATTERIES FEATURING IMPROVED CELL DESIGN CHARACTERISTICS  
This invention is directed to aqueous redox flow batteries comprising ionically charged redox active materials and separators, wherein the separator is less than about 100 microns and the flow...
US20140030572 AQUEOUS REDOX FLOW BATTERIES COMPRISING METAL LIGAND COORDINATION COMPOUNDS  
This invention is directed to aqueous redox flow batteries comprising redox-active metal ligand coordination compounds. The compounds and configurations described herein enable flow batteries with...
US20110217581 CONVERSION OF HEAT TO ELECTRIC ENERGY THROUGH CYCLIC ALTERATION OF SOLUTION  
Conversion of heat to electric energy through cyclic alteration of solutions between two half cells of a galvanic cell. The half cell solutions differ in electrode ion concentration, creating in...
US20130157097 COMPACT FRAMELESS BIPOLAR STACK FOR A MULTICELL ELECTROCHEMICAL REACTOR WITH PLANAR BIPOLAR ELECTRICAL INTERCONNECTS AND INTERNAL DUCTING OF CIRCULATION OF ELECTROLYTE SOLUTIONS THROUGH ALL RESPECTIVE CELL COMPARTMENTS  
A frameless bipolar cell stack architecture with either internal manifolds of circulation of electrolyte solutions “in parallel” through all respective cell compartments or internal ducting...
US20120328927 ELECTROCHEMICAL DEVICES AND RECHARGEABLE LITHIUM ION BATTERIES  
An electrochemical device includes an electrochemical cell having a first volume for receiving a liquid reactant negative electrode material, a second volume for receiving a liquid reactant...
US20150228950 ORGANIC-INORGANIC COMPOSITE ANION EXCHANGE MEMBRANE CONTAINING POLYVINYLIDENE FLUORIDE POLYMER FOR NON-AQUEOUS REDOX FLOW BATTERY AND METHOD FOR PREPARING THE SAME  
An organic-inorganic composite anion exchange membrane for non-aqueous redox flow batteries, which contains a polyvinylidene fluoride polymer, and a method for preparing the same are disclosed.
US20150079497 FUEL CELL DEVICE WITH ELECTROLYTES FLOWING BY MEANS OF PERCOLATION THROUGH ELECTRODES HAVING A POROUS, THREE-DIMENSIONAL STRUCTURE  
The present invention relates to a fuel cell device with electrolytes flowing by means of percolation through electrodes (1) and (2) having a porous, three-dimensional structure. The invention...

Matches 1 - 50 out of 167 1 2 3 4 >