Patent application number | Description | Published |
20100003586 | Redox flow cell - A redox flow cell is presented that utilizes a porous membrane separating a first half cell and a second half cell. The porous membrane is chosen to have a figure of merit (FOM) is at least a minimum FOM. A method of providing a porous membrane for a flow cell can include determining a figure of merit; determining a first parameter from a pore size or a thickness for the porous membrane; determining a second parameter from the pore size or the thickness that is not the first parameter for the porous membrane, based on the figure of merit; and constructing a porous membrane having the pore size and the thickness. | 01-07-2010 |
20100089480 | Flexible Multi-Walled Tubing Assembly - A multi-walled tubing assembly includes an outer corrugated tube and an inner tube received in the outer tube, and may receive an insert. The inner tube is made from a resilient material. The outer tube is structurally rigid. The insert may be plain and used in conjunction with one or more adhesives. The insert may include a section with barbs or teeth which, once inserted into the inner tube, engage with the corrugations of the outer tube. Some embodiments result in a good seal and mechanically fix the tubing assembly. | 04-15-2010 |
20100090651 | METHOD AND APPARATUS FOR DETERMINING STATE OF CHARGE OF A BATTERY - A method and apparatus for determining the state of charge (SOC) of a battery is discussed. The method involves measuring the terminal voltage across the battery and the current flowing through the battery at a plurality of different times and fitting a line equation with a slope and an intercept to the terminal voltage and current data. The open-circuit voltage (OCV) is calculated from the intercept of the linear equation and the SOC is determined from the OCV by reference to a lookup table. | 04-15-2010 |
20100092757 | Methods for Bonding Porous Flexible Membranes Using Solvent - A method for bonding a porous flexible membrane to a rigid material is disclosed. In some embodiments, the method includes applying, at a bonding site of the porous membrane, a pre-treatment solvent solution, drying the bonding site of the porous membrane, applying, at a bonding site of the rigid structure, a first solvent that is capable of dissolving a surface of the rigid material, applying, at the bonding site of the porous membrane, a second solvent that is capable of dissolving the polymeric residue material dissolved in the pre-treatment solvent solution, and pressing the porous membrane to the rigid material at their respective bonding sites. In some embodiments, the pre-treatment solvent solution may include a solvent carrying dissolved polymeric residue material configured to fill the pores of the porous membrane at the bonding site of the porous membrane. | 04-15-2010 |
20100092807 | Magnetic Current Collector - An electrode for use in a flow cell is presented. The electrode includes a metal plate for collecting current in the electrode that is bonded between a first and second plate. | 04-15-2010 |
20100092813 | Thermal Control of a Flow Cell Battery - A flow battery with thermal management is presented. The flow battery is housed in an enclosure where fluid is uniformly circulated about holding tanks of electrolyte to control the temperature inside the enclosure. | 04-15-2010 |
20100094468 | Level Sensor for Conductive Liquids - A sensor for measuring a level of a conductive liquid, is provided. The sensor includes at least two electrodes that can be positioned in a holding tank so as to be partially submerged in the conductive liquid, sensor leads coupled to the at least two electrodes, and circuitry and a controller for determining the properties of the electrolyte, the circuitry being coupled to the at least two electrodes via the sensor leads, and the controller being coupled to the circuitry. The sensor may be used as an electrolyte level sensor in a flow battery system. | 04-15-2010 |
20110074357 | CONTROL SYSTEM FOR A FLOW CELL BATTERY - A controller for controlling a flow cell battery system is provided. The controller operates the flow cell battery system in a plurality of states including a plating state, a charging state and a discharge state. | 03-31-2011 |
20110079074 | HYDROGEN CHLORINE LEVEL DETECTOR - A method for detecting a ratio of a first substance to that of a second substance in a mixture of substances, includes generating heat in a heating element; measuring a temperature proximate to the heating element; and calculating the ratio of the first substance to that of the second substance from the temperature. In some embodiments, the ratio of the concentrations of hydrogen and chlorine in a mixture of hydrogen and chlorine may be determined. | 04-07-2011 |
20110080143 | BUCK-BOOST CIRCUIT - In accordance with some embodiments, a buck-boost circuit is contemplated which is bi-directional. That is, the buck-boost circuit be configured to produce a load voltage for a load responsive to a source voltage from a voltage source, and the buck-boost circuit may also be configured to produce a charging voltage for the voltage source responsive to a second voltage source connected to the load. In an embodiment, the buck-boost circuit may be operating in boost mode when providing the load voltage and may be operating in buck mode when providing the charging voltage. | 04-07-2011 |
20110081561 | METHODS OF PRODUCING HYDROCHLORIC ACID FROM HYDROGEN GAS AND CHLORINE GAS - A method of producing HCl from H | 04-07-2011 |
20110081562 | OPTICAL LEAK DETECTION SENSOR - A leak detection sensor for detecting a leakage of an electrolyte solution in a flow battery system is provided. The sensor includes a sensor housing, the sensor housing being at least partially surrounded by a fluid and having mounted therein at least one light source. The device also includes at least one light detector, wherein light emitted from at least one light source is incident on a portion of the housing in contact with a fluid and is at least partially refracted by an amount which is dependent on a refractive index of the refractor lens and the surrounding fluid, such that the amount of refraction at the refractor lens and the surrounding fluid causes a loss in a power of light detected by the at least one light detector, the light detector determines the intensity of the detected light, determines the composition of fluid surrounding the device housing based on the based on the difference between the measured light intensity and the intensity of light produced by the light source, and determines a leak if the composition of fluid is determined to be an electrolyte solution. | 04-07-2011 |
20110086247 | 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 source of ultraviolet radiation for producing HCl from H | 04-14-2011 |
20120183816 | QUENCHING SYSTEM - A quencher for a flow cell battery is described. The quencher utilizes a quench solution formed from FeCl | 07-19-2012 |
20120208061 | FLOW CELL STACK - A stacked cell for a flow cell battery is presented. The stacked cell is sealed by a gasket between individual components. The gasket is formed such that it seals against leakage of electrolytes and facilitates the flow of electrolytes through the stacked cell. Further, the gasket is formed to minimize the linear expansion of the gasket material with temperature. | 08-16-2012 |
20130188190 | OPTICAL LEAK DETECTION SENSOR - A leak detection sensor for detecting a leakage of an electrolyte solution in a flow battery system is provided. The sensor includes a sensor housing, the sensor housing being at least partially surrounded by a fluid and having mounted therein at least one light source. The device also includes at least one light detector, wherein light emitted from at least one light source is incident on a portion of the housing in contact with a fluid and is at least partially refracted by an amount which is dependent on a refractive index of the refractor lens and the surrounding fluid, such that the amount of refraction at the refractor lens and the surrounding fluid causes a loss in a power of light detected by the at least one light detector, the light detector determines the intensity of the detected light, determines the composition of fluid surrounding the device housing based on the based on the difference between the measured light intensity and the intensity of light produced by the light source, and determines a leak if the composition of fluid is determined to be an electrolyte solution. | 07-25-2013 |
20130298905 | ELECTRONIC VAPORIZING DEVICE AND METHODS FOR USE - Devices and methods for vaporizing active ingredients of a selected substance for inhalation using a portable vaporization device are provided herein. In certain aspects, the device includes a portable power source, a heating portion, an inhalation sensor, a temperature sensor, a distal light source, and a grinding portion. In response to an inhalation by a user, the power source energizes a heating element of the heating portion so as to heat air flow to a desired vaporization temperature within a few seconds of detecting inhalation, using convection and radiative heating. The device may include a receptacle for receiving a cartridge containing a pre-prepared substance, such as a liquid, gel, powder, or solid brick, and a grinding portion to allow a user to grind intact portions of cellulose-based material into smaller pieces to facilitate vaporization by manually rotating portions of the device relative to each other. | 11-14-2013 |
20140023943 | QUENCHING SYSTEM - A quencher for a flow cell battery is described. The quencher utilizes a quench solution formed from FeCl | 01-23-2014 |
20140103877 | BATTERY MANAGEMENT SYSTEM - A battery management system that monitors and controls the charging and discharging a battery pack in the most versatile way at the block level with virtually no parasitic or dissipative loss is disclosed. The system has capability of using blocks of cells using different chemistry in the same battery pack. Such versatility makes it very useful for usage with erratic grid conditions, solar, wind and other natural energy sources for charging the battery. | 04-17-2014 |
20140139190 | CONTROL SYSTEM FOR A FLOW CELL BATTERY - A controller for controlling a flow cell battery system is provided. The controller operates the flow cell battery system in a plurality of states including a plating state, a charging state and a discharge state. | 05-22-2014 |
20140266096 | BUCK-BOOST CIRCUIT - In accordance with some embodiments, a buck-boost circuit is contemplated which is bi-directional. That is, the buck-boost circuit be configured to produce a load voltage for a load responsive to a source voltage from a voltage source, and the buck-boost circuit may also be configured to produce a charging voltage for the voltage source responsive to a second voltage source connected to the load. In an embodiment, the buck-boost circuit may be operating in boost mode when providing the load voltage and may be operating in buck mode when providing the charging voltage. | 09-18-2014 |