Class / Patent application number | Description | Number of patent applications / Date published |
429081000 | Having nonmovable means providing motion between electrolyte and electrodes, i.e., circulation | 20 |
20110300422 | LIQUID SODIUM BATTERY - A liquid sodium battery in which two electrode members sandwiching a partition wall formed of a Na-ion conducting solid substance are constructed by a metal having a work function whose absolute value is smaller than that of a work function of sodium and a metal having a work function whose absolute value is greater than that of the work function of sodium. | 12-08-2011 |
20120077063 | ELECTRICAL SYSTEM - An electrical system, including an energy storage, in particular an electrochemical energy storage, has at least one cell having an anode, a cathode, and a fluid electrolyte, which allows a current flow from the anode to the cathode. The cell has at least two openings, the openings being connected by a connector for the circulatory conveyance of the electrolyte. The safety and the longevity of an energy storage are improved in this way. | 03-29-2012 |
20120164499 | STATIONARY, FLUID REDOX ELECTRODE - The present invention is related to electrochemical energy generation devices including at least one electrode comprising an electrochemically active fluid that is enclosed within the cell, as well as related articles, systems, and methods. In some embodiments, the anode and/or cathode of the electrochemical energy generation devices described herein can be formed of an electrochemically active fluid, such as a semi-solid or a redox active ion-storing liquid. The electrochemical energy generation device can be configured such that the anode and/or cathode can be flowed into their respective electrode compartments, for example, during assembly. During operation, on the other hand, little or none of the electrochemically active fluid(s) are transported into or out of the energy generation device (e.g., out of the electrode compartments of the electrochemical energy generation device). | 06-28-2012 |
20120183823 | BATTERY MODULE - The invention relates to a battery module which consists of a plurality of interconnected cells that have respective positive and negative terminals. The module is characterized in that the flat terminals have cut-out sections and are arranged in two rows in such a manner that the short ends of adjacent flat terminals of a respective row face each other, in that the terminals of every row are maintained at a distance to each other by specifically arranged, conductive spacer elements and optionally insulating spacer elements, in that within the module, the cells are electrically connected in series and/or in parallel by specifically arranging their positive and negative terminals in the one or the other row, and in that the terminals of every row and the interposed spacer elements are pressed against each other by a bracing device. | 07-19-2012 |
20120189882 | BATTERY - A battery includes a stacked electrode body which is formed by stacking sequentially a first electrode plate connected to a first electrode tab, a separator, and a second electrode plate connected to a second electrode tab; an electrolyte; a battery case which seals the stacked electrode body and the electrolyte; and a guidance structure which guides the electrolyte, which moves inside the battery case due to heat generated by the stacked electrode body, to a direction inclined from a direction of gravitational force and also guides the electrolyte to the first or the second electrode tab. | 07-26-2012 |
20120189883 | BATTERY CELL WITH SMALL GROOVE AT SURFACE AND BATTERY PACK INCLUDING THE SAME - Disclosed herein is a battery cell including an electrode assembly of a cathode/separator/anode structure mounted in a receiving part of a battery case (cell case). The cell case is provided, at a predetermined region of the cell case corresponding to the upper end interface of the electrode assembly while the electrode assembly is mounted in the receiving part, with a small groove for pressing against the upper end of the electrode assembly to prevent the upward movement of the electrode assembly. The small groove is continuously formed in parallel with the upper end of the electrode assembly. | 07-26-2012 |
20130022846 | ELECTRODE STRUCTURE OF VANADIUM REDOX FLOW BATTERY - An electrode structure of a vanadium redox flow battery is disclosed, which includes a proton-exchange membrane, two graphite papers, two graphite felt units, two pads, two graphite polar plates, two metal plates and a lock-fixing device which are symmetrically stacked in sequence from center to outside. wherein each graphite polar plate has the flow channels with a grooved structure, and each graphite felt unit is embedded in the flow channels of one of the graphite polar plates, and then the graphite felt units are covered by the graphite papers such that the different electrolytes flow in their corresponding flow channels. The storage tanks of vanadium electrolyte are connected through the connection pipelines, and the redox reaction is performed through the flows of the vanadium electrolyte. The electrode structure of the vanadium redox flow battery can be stacked for forming a large-scale electrode structure to increase the electrical power. | 01-24-2013 |
20130202924 | RADIANT HEAT PLATE FOR BATTERY CELL MODULE AND BATTERY CELL MODULE HAVING THE SAME - Disclosed is a radiant heat plate and a battery cell module having the same. The radiant heat plate is interposed between battery cells. The radiant heat plate includes a high-thermal conductivity plate with excellent thermal conductivity and a composite sheet fixedly laminated on both surfaces of the high-thermal conductivity plate. Here, the composite sheet is formed of a thermoplastic elastomer composite filled with a high-thermal conductivity filler. | 08-08-2013 |
20130202925 | LIQUID ELECTROLYTE BATTERY WITH MIXING DEVICE - The invention relates to a liquid electrolyte battery having a mixing device ( | 08-08-2013 |
20130288090 | APPARATUS FOR MIXING ELECTROLYTE IN BATTERY - An electrolyte mixing apparatus mixes lower-specific-gravity electrolyte with higher-specific-gravity electrolyte using inertial force generated when a vehicle starts to move and stops. The electrolyte mixing apparatus thus prevents the electrolyte in the battery from being formed in lower- and higher-specific-gravity layers according to specific gravity. | 10-31-2013 |
20140065456 | Sodium-Halogen Secondary Cell - A sodium-halogen secondary cell that includes a negative electrode compartment housing a negative, sodium-based electrode and a positive electrode compartment housing a current collector disposed in a liquid positive electrode solution. The liquid positive electrode solution includes a halogen and/or a halide. The cell includes a sodium ion conductive electrolyte membrane that separates the negative electrode from the liquid positive electrode solution. Although in some cases, the negative sodium-based electrode is molten during cell operation, in other cases, the negative electrode includes a sodium electrode or a sodium intercalation carbon electrode that is solid during operation. | 03-06-2014 |
20140162095 | Internal Header Flow Divider for Uniform Electrolyte Distribution - The present disclosure details header flow divider designs and methods of electrolyte distribution. Internal header flow dividers may include multiple flow channels and may be built into flow frames. Flow channels within internal header flow dividers may divide evenly multiple times in order to form multiple flow channel paths and provide a uniform distribution of electrolytes throughout electrode sheets within electrochemical cells. Furthermore, uniform electrolyte distribution across electrode sheets may not only enhance battery performance, but also prevent zinc dendrites that may be formed in electrode sheets. The prevention of zinc dendrite growth in electrode sheets may increase operating lifetime of flow batteries. The disclosed internal header flow dividers may also be included within end caps of electrochemical cells. | 06-12-2014 |
20140162096 | Battery Flow Frame Material Formulation - Disclosed herein are formulation components for the manufacturing of a flow frame structure that can be integrated in flowing electrolyte batteries. These formulation components for manufacturing flow frames may include, but are not limited to, polypropylene, glass fiber, a coupling agent and an elastomer. A mixing and extrusion process may be employed to formulate the material and produce pre-formulated pellets for the manufacturing of flow frames. As flow frames may be integrated with electrodes (or membranes), the disclosed flow frame formulation may achieve a desired Melt Flow Index (MFI) range and may allow an improved bonding between electrodes (or membranes) and flow frame, therefore, simplifying manufacturing process and achieving higher performance and longer lifetime of flowing electrolyte batteries. | 06-12-2014 |
20140308551 | SERIES COOLED MODULE COOLING FIN - An automotive battery module with numerous battery cells and a series-based cooling fin arrangement placed in thermal communication with at least two of the battery cells. Heat generated within the battery cells by, among other things, electric current that can be used to provide motive power for the automobile, may be removed by the cooling fin that includes different portions tailored to remove relatively lesser or greater amounts of heat, depending on a potential temperature difference among the cells. The construction of the cooling fin is such that multiple heat transfer paths are established, each configured to convey heat away from the battery cells, as well as to keep temperature differences between adjacent series-cooled battery cells to a minimum. In one form, the multiple heat transfer paths may include a relatively laminar portion and a relatively turbulent portion, where in one form the increased turbulence may be obtained through numerous turbulators. Other such heat transfer paths may include an intermediate exhaust path, a discreet coolant channel or the like. Any or all of the turbulators, exhaust path or discreet coolant channel may be tuned in order to increase or decrease an amount of heat delivered to the cooling fin from the battery cells. | 10-16-2014 |
20140356663 | FLOW BATTERY SYSTEMS - Embodiments of the invention generally provide for flow battery cells and systems containing a plurality of flow battery cells, and methods for improving metal plating within the flow battery cell, such as by flowing and exposing the catholyte to various types of cathodes. In one embodiment, a flow battery cell is provided which includes a cathodic half cell and an anodic half cell separated by an electrolyte membrane, wherein the cathodic half cell contains a plurality of cathodic wires extending perpendicular or substantially perpendicular to and within the catholyte pathway and in contact with the catholyte, and each of the cathodic wires extends parallel or substantially parallel to each other. In some examples, the plurality of cathodic wires may have at least two arrays of cathodic wires, each array contains at least one row of cathodic wires, and each row extends along the catholyte pathway. | 12-04-2014 |
20150030896 | SODIUM-HALOGEN SECONDARY CELL - A sodium-halogen secondary cell that includes a negative electrode compartment housing a negative, sodium-based electrode and a positive electrode compartment housing a current collector disposed in a liquid positive electrode solution. The liquid positive electrode solution includes a halogen and/or a halide. The cell includes a sodium ion conductive electrolyte membrane that separates the negative electrode from the liquid positive electrode solution. Although in some cases, the negative sodium-based electrode is molten during cell operation, in other cases, the negative electrode includes a sodium electrode or a sodium intercalation carbon electrode that is solid during operation. | 01-29-2015 |
20150303412 | EMBEDDED FRAME FOR POUCH-TYPE SECONDARY BATTERY AND SECONDARY BATTERY HAVING EMBEDDED FRAME - The present invention relates to an embedded frame for pouch-type secondary batteries and a secondary battery having the embedded frame. The embedded frame is provided in a pouch casing for a secondary battery so as to maintain the external shape of the pouch casing and additionally protect an electrode assembly from an external shock. The embedded frame has a rectangular shape and makes close contact with an inner surface of the pouch casing. The electrode assembly is housed in the embedded frame. A plurality of pores is formed in the embedded frame. | 10-22-2015 |
20150311496 | BATTERY WITH ELECTROLYTE INTERMIXING DEVICE - The invention relates to a battery comprising liquid electrolyte, used in moving vehicles, wherein the battery includes a battery housing comprising side walls, a housing floor and a cover, a liquid electrolyte, the level of which is within predetermined tolerance limits, electrodes, a flow channel plate arranged at least on one side wall so as to form .a flow channel, wherein the upper end of said flow channel serves as exhaust port, a mixing vessel comprising a mixing vessel floor and mixing vessel side walls being arranged above the electrodes wherein the mixing vessel side wall adjoining the exhaust port is formed as an overflow the mixing vessel floor being located below the minimum level for the liquid electrolyte, which minimum level is provided for operational reasons, and at least one floor opening being provided in the mixing vessel floor. | 10-29-2015 |
20160126581 | RECHARGEABLE NANOELECTROFUEL ELECTRODES AND DEVICES FOR HIGH ENERGY DENSITY FLOW BATTERIES - Nanoelectrofuel compositions include a plurality of electroactive surface-treated or surface modified nanoparticles dispersed in an electrolyte or self suspended and exhibit fluid characteristics are provided. A Redox flow cell may employ the nanoelectrofuels compositions, wherein the redox flow cell includes a first inlet and a first outlet in fluid communication with a first half-cell body, a second inlet and a second outlet in fluid communication with a second half-cell body, a third cell body, and an ion-conductive membrane separating the first half-cell body from the second half-cell body and defining the second half-cell body. | 05-05-2016 |
20160149236 | FLOW BATTERY - A flow battery comprising a first tank for an anode electrolyte, a second tank for a cathode electrolyte, respective hydraulic circuits provided with corresponding pumps for supplying electrolytes to specific planar cells, provided with channels on the two mutually opposite faces for the independent conveyance of the electrolytes, mutually separated by electrolytic membranes and electrodes, the planar cells constituting a laminar pack, on at least one front of the laminar pack there being an end plate provided, on a first face, with at least one channel for the access of the electrolytes that arrive from the laminar pack, with at least one discharge channel for the conveyance of the electrolytes that originate from the access channel to at least one outlet that is connected to a respective tank, and at least one mixing channel. | 05-26-2016 |