Entries |
Document | Title | Date |
20080199765 | NOVEL BUS BAR FOR ELECTRIC CONNECTION AND MIDDLE AND BATTERY MODULE COMPRISING THE SAME - Disclosed herein are a bus bar that simultaneously performs the electrical connection between a plurality of unit cells and the detection of voltage of the unit cells in a battery module having the unit cells mounted therein, wherein the bus bar includes: vertical bent parts formed by bending opposite ends of a strip-shaped bar body in the same direction, respectively, the vertical bent parts being provided with coupling grooves or protrusions; and a horizontal bent part formed by bending one of the vertical bent parts such that the horizontal bent part is parallel with the bar body, and a medium- or large-sized battery module including a plurality of unit cells, wherein the electrical connection between the unit cells and the detection of voltage of the unit cells are simultaneously performed using the bus bar. It is not necessary to use additional connecting members for detecting the voltage of unit cells when the bus bar according to the present invention is used in a battery module or a battery pack. Consequently, the battery module or the battery pack can be manufactured in a compact structure. Also, the electrical connection and the mechanical coupling are easily accomplished in spite of the compact structure. Furthermore, the electrical characteristics, such as electrical resistance at connected regions after the electrical connection, and the mechanical strength against external impacts or vibrations are excellent. In addition, it is possible to prevent occurrence of short circuits, which may be caused by a user or an operator, during a manufacturing process of the battery module or the battery pack or during a maintenance process of the battery module or the battery pack. | 08-21-2008 |
20090123817 | Battery Pack and Hand-Held Power Tool - The invention relates to a battery pack, especially for a hand-held power tool. Said battery pack comprises a battery housing ( | 05-14-2009 |
20090155674 | Battery Pack, Portable Device, Internal Short Detecting Method, and Internal Short Detecting Program - In a battery pack including a battery unit containing a plurality of secondary batteries, an occurrence of an internal short-circuit in the battery unit is detected based on a difference between a first voltage of the battery unit detected at a time a current flowing in the battery unit is below a predetermined current value and a second voltage of the battery unit detected at a time after a predetermined period has elapsed while the current flowing in the battery unit is below the predetermined current value. | 06-18-2009 |
20090208824 | POWER SOURCE HAVING A PARALLEL CELL TOPOLOGY - A power source with multiple cells connected in parallel to a common node or power supply point. The individual cells within the power source may also have a dedicated controller for each of the individual cells such that the dedicated controllers are connected on a one to one basis with each of the respective individual cells. | 08-20-2009 |
20090297928 | Battery packs - One aspect according to the present invention includes a battery pack having a device for electrically connecting between batteries and an electric circuit of the battery pack. The device includes a plural number of signal lines formed on or within a flexible base plate. | 12-03-2009 |
20090325044 | Battery assembly with enhanced properties - A battery assembly for use in an aircraft. The battery assembly may include a battery and a circuit configured to monitor the battery in situ. The circuit may include at least one sensor positioned to sense at least one property of the battery and a processor in communication with the sensor. The battery assembly may also include a battery housing, wherein the battery and the circuit are positioned within the battery housing. A method for evaluating a battery in an electric device. The method may include collecting operational information from the battery. The operational information may be collected without removing the battery from the electric device. The method may also include comparing the operational information to a degradation routine describing a property of the battery and calculating a capacity of the battery. | 12-31-2009 |
20100021802 | MIDDLE OR LARGE-SIZED BATTERY MODULE - Disclosed herein is a middle- or large-sized battery module including two or more unit modules each having one or more plate-shaped battery cells, as unit cells, surrounded by a high-strength sheathing member made of synthetic resin or metal, and separable upper and lower frame members coupled with each other in an assembly-type coupling structure such that the unit modules are vertically mounted in the upper and lower frame members. The present invention has the effect of easily mounting a sensing unit that is capable of minimizing the weight and size of battery cells while effectively reinforcing the low mechanical strength of the battery cells and sensing the operation state of the battery cells to a middle- or large-sized battery module. In addition, the present invention has the effect of manufacturing the battery module by a simple assembly process without using a plurality of members for mechanical coupling and electrical connection, thereby decreasing the manufacturing costs of the battery module, and effectively preventing the battery module from being short-circuited or damaged during the manufacture or the operation of the battery module. Furthermore, the present invention has the effect of manufacturing a middle- or large-sized battery system having desired output and capacity using the battery module as a unit body. | 01-28-2010 |
20100047675 | BATTERY ACID STATUS INDICATOR AND METHOD FOR PRODUCTION THEREOF - An acid status indicator for a battery, in particular for a lead-acid rechargeable battery, having a sight glass and a holder for holding the sight glass and for attaching the acid status indicator to a housing of the battery, wherein the sight glass and the holder are produced by two-component injection molding, with the holder being produced by insert molding of the sight glass. | 02-25-2010 |
20100086836 | Battery Capacity Chromogenic Device - The present utility model provides a battery capacity chromogenic device that directly indicates the residual capacity of the lead acid battery. Said device comprises: a plurality of integrally formed indicating bars, fixing sleeves each provided on the upper end of respective indicating bars, supporting brackets each provided on the lower end of respective indicating bars, and color balls corresponding to the indicating bars in number, said supporting brackets are provided thereon with color ball passages corresponding to the indicating bars in number, said respective color ball passages are slantly disposed such that the vertical projections of the upper portions thereof and the vertical projections of the lower portions thereof are mutally staggered in the horizontal direction, and said respective color balls are increased in specific gravity successively and are respectively disposed in a certain order within said respective color ball passages. By disposing the color balls different in specific gravity below the plurality indicating bars in a certain order for a centralized indication, the current capacity of the battery is represented visually and accruately. The device is mainly used for indicating the capacity of the lead acid battery. | 04-08-2010 |
20100112421 | Battery - A battery includes a housing, a cathode and an anode within the housing, and a battery-life indicator including a fragrance that is released to indicate usage of the battery. | 05-06-2010 |
20100167110 | METHOD AND SYSTEM FOR BATTERY PROTECTION - A battery pack. The battery pack includes a housing, a plurality of terminals, a plurality of lithium-based battery cells, and a controller. The plurality of terminals electrically connect to an electrical device. The electrical device is able to support the battery pack. Each of the plurality of battery cells are individually tapped and have an individual state of charge. The plurality of terminals includes a sense terminal. The controller is operable to monitor a characteristic of each of the plurality of battery cells and to communicate the monitored characteristic of each of the plurality of battery cells to the electrical device via the sense terminal. | 07-01-2010 |
20100209748 | Battery System - A battery system includes: a battery unit formed by electrically connected in series a plurality of cell groups each made up with a plurality of battery cells electrically connected in series; a plurality of sensing lines for detecting voltages of respective battery cells in the battery unit; an integrated circuit provided to each of the cell group, to which the sensing lines for detecting voltages of respective battery cells in the cell group are connected; a case having housed therein a substrate at which a plurality of integrated circuits provided for the cell groups respectively are mounted; noise protection capacitors disposed between input terminals of the plurality of sensing lines; and at least one protection element against static electricity which is connected between the input terminals and the case. | 08-19-2010 |
20100255355 | CONNECTION-MEMBER FOR ELECTRICAL CONNECTION OF BATTERY CELLS - Disclosed herein are a connection member for electrically interconnecting a plurality of battery cells in a battery pack in which the battery cells are mounted, wherein the connection member includes at least two terminal contact parts, which are connected to electrode terminals of neighboring battery cells, and a connection part for interconnecting the terminal contact parts, and wherein the terminal contact parts are lower in height, by a size corresponding to the thickness of a pack case, than the connection part such that the connection member connects the electrode terminals of the battery cells while the connection member is mounted on the outer surface of the pack case, and a battery pack including the same. Consequently, the connection member according to the present invention has the effect of effectively interconnecting the electrode terminals of the battery cells through a simple assembly process. Also, the connection member according to the present invention can be directly mounted on the pack case without using an additional auxiliary member. | 10-07-2010 |
20110033736 | Battery with a Plurality of Individual Cells - A battery comprises a plurality of individual cells whose poles are electrically interconnected with each other in series and/or in parallel and form a cell assembly. A sealing element is arranged at least in one edge region between the poles of adjacent individual cells. | 02-10-2011 |
20110045329 | POWER-SUPPLY DEVICE - The power-supply device includes: a battery assembly composed of a plurality of batteries each having a positive electrode at one end of the battery and a negative electrode at the other end of the battery, said batteries overlapped with each other in a manner that electrodes having the different polarities are adjacent to each other; a plurality of bus bars connecting the batteries in series by connecting the adjacent electrodes having the different polarities in the battery assembly; and a terminal having an electric contact part attached to each bus bar, and a wire connecting part continued to the electric contact part, and attached to an electric wire connected to a voltage measuring device for measuring a voltage of the battery. The electric contact part includes a pair of clipping pieces disposed with a gap from each other, and connected to the bus bar by press-inserting the bus bar into between the clipping pieces. | 02-24-2011 |
20110104534 | Battery Cell - A battery cell including: an anode configured to operate as a source of cations during discharge of the battery cell; and an electrolyte configured to transport the cations from the anode to the a cathode during discharge of the battery cell, wherein the cathode includes material that is configured to enable the reversible insertion of transported cations during discharge of the battery cell and that has optical properties that are dependent upon cation insertion and that is viewable by a user. | 05-05-2011 |
20110171506 | SECONDARY BATTERY PACK - Provided is a secondary battery pack that determines, as for protection and controlling, the state of connection based on information input from external interfaces and switches a protection and control mode from one setting to another according to connection targets and situations. Accordingly, the secondary battery pack of the present invention includes a secondary battery block | 07-14-2011 |
20110244283 | Electric Storage Module and Electric Storage Device - An electric storage module includes: a plurality of electric storage units; a casing that houses the plurality of electric storage units; a plurality of conductive members that electrically connect the plurality of electric storage units; and a voltage detection conductor that detects a voltage of each of the plurality of electric storage units, wherein: the casing includes a pair of resin side plates that hold and support at least the plurality of electric storage units from opposite sides, and the voltage detection conductor is formed so as to correspond to positions of the plurality of conductive members and placed on each of the side plates. | 10-06-2011 |
20110250478 | LITHIUM-ION CELL WITH AN ARRAY OF REFERENCE ELECTRODES - A cluster or array of reference electrode materials is prepared and used to monitor the state of charge of positive and negative active electrode materials of a lithium-ion cell. The reference electrode materials are composed so as to provide useful electrochemical potential values when placed in the same electrolyte in proximity with a positive or negative electrode. The array of reference electrodes includes at least two electrically discrete instances of reference electrode materials. Such duplication of reference material in the array permits confirmation of the present quality and activity of a reference material used for evaluation of positive and/or negative electrode material in a lithium-ion cell. | 10-13-2011 |
20120034503 | POSITIVE ELECTRODE MATERIAL FOR LITHIUM-ION SECONDARY BATTERY, LITHIUM-ION SECONDARY BATTERY AND SECONDARY BATTERY MODULE USING THE SAME - A positive electrode material for a lithium-ion secondary battery that can stably inhibit heat generation, a lithium-ion secondary battery comprising the positive electrode material for a lithium-ion secondary battery as a positive electrode material that is excellent in safety during charging, and a secondary battery module using the lithium-ion secondary battery are provided. The positive electrode material for a lithium-ion secondary battery of the present invention is characterized in that:
| 02-09-2012 |
20120094158 | MODULAR SYSTEM FOR AN ACCUMULATOR - An essentially cuboid-shaped accumulator is provided, comprising at least one voltage generating cell and at least two separate housing elements, each comprising maximally three side parts and together comprising at least four side parts, wherein each side part is provided for limiting one respective side of the cuboid-shaped accumulator. At least two of the housing elements are connected to one another through snap hooks. | 04-19-2012 |
20120141847 | BATTERY PACK AND METHOD FOR MANUFACTURING BATTERY PACK - The present invention has been made to provide a battery pack having multiple battery modules each housing a stacked body in which multiple secondary batteries are stacked, and a method of manufacturing such a battery pack, which are capable of reducing the number of voltage detection wires for detecting voltages of the respective secondary batteries housed in the battery modules forming the battery pack. The battery pack includes: multiple battery modules ( | 06-07-2012 |
20120263986 | LITHIUM RECHARGEABLE CELL WITH REFERENCE ELECTRODE FOR STATE OF HEALTH MONITORING - A battery management system includes one or more lithium ion cells in electrical connection, each said cell comprising: first and second working electrodes and one or more reference electrodes, each reference electrode electronically isolated from the working electrodes and having a separate tab or current collector exiting the cell and providing an additional terminal for electrical measurement; and a battery management system comprising a battery state-of-charge monitor, said monitor being operable for receiving information relating to the potential difference of the working electrodes and the potential of one or more of the working electrodes versus the reference electrode. | 10-18-2012 |
20130130082 | LAMINATED BATTERY - A bipolar battery ( | 05-23-2013 |
20130143086 | VOLTAGE SENSING ASSEMBLY AND BATTERY MODULE EMPLOYED WITH THE SAME - Disclosed is a voltage sensing assembly to detect voltages of battery cells having electrode terminals formed at an upper end or a lower end thereof in a state in which the voltage sensing assembly is mounted to a battery module, the voltage sensing assembly including (a) a block case, formed of an electrically insulative material, mounted to a front or rear of the battery module corresponding to electrode terminal connection parts of the battery cells, (b) conductive sensing parts connected to voltage sensing terminals located at one-side ends of bus bars electrically connected to the electrode terminal connection parts of the battery cells, and (c) a connector to transmit voltages sensed by the conductive sensing parts to a controller. | 06-06-2013 |
20130157093 | UNITARY ENERGY STORAGE AND SENSING BATTERIES - A battery apparatus having an electrochemical cell that includes an electrically insulating hollow mandrel, a pair of active materials wound on the mandrel, and a sensing unit located within the mandrel and coupled to the pair of active materials through a pair of contacts. The active materials are connected and separated by an electrolyte. The sensing unit is configured to monitor conditions of the cell and to generate a signal indicative of a sensed condition for communication to a battery management unit. | 06-20-2013 |
20130202930 | STORAGE SYSTEM AND OUTPUT CONTROLLER - A connection mode of a plurality of arbitrarily connected storage units is detected and the plurality of storage units is controlled according to the detected connection mode. | 08-08-2013 |
20130216877 | BATTERY FLUID LEVEL SENSOR - A liquid electrolyte battery incorporates level sensors sensing and providing an output indicative of the presence or absence of electrolyte or other liquid proximate the sensors. The sensors can be self-powered or powered by the battery or by a separate battery. | 08-22-2013 |
20130244070 | METHOD AND SYSTEM FOR BATTERY PROTECTION - An electrical combination. The combination comprises a hand held power tool, a battery pack and a controller. The battery pack includes a battery pack housing connectable to and supportable by the hand held power tool, a plurality of battery cells supported by the battery pack housing, each of the plurality of battery cells having a lithium-based chemistry, being individually tapped and having an individual state of charge. A communication path is provided by a battery pack sense terminal and a power tool sense terminal. The controller is operable to monitor a state of charge of a number of battery cells less than the plurality of battery cells and to generate a signal based on the monitored state of charge of the number of battery cells less than the plurality of battery cells, the signal being operable to control the operation of the hand held power tool. | 09-19-2013 |
20130252050 | BATTERY TERMINAL WITH CURRENT SENSOR - A battery terminal with current sensor includes: a battery terminal part that is formed by a conductive metal plate, and that includes a post part to be connected to a battery post of a battery; a current sensor that is integrated with the battery terminal part by a resin molding, and that includes a stud part to be connected to a load; and a sensor part that corresponds to an integrated part of the battery terminal part and the current sensor. The sensor part includes a penetration portion having a hole or slit shape that is formed at a part to be resin-molded of the battery terminal part, and a filling portion that is formed at a resin-molded part of the current sensor and fills the penetration portion. | 09-26-2013 |
20130260198 | Battery System - A battery system in which delay in communication and processing is restrained even if the system is constructed with plural hierarchical structures. The system includes a battery module having plural battery cells and a battery module control unit that collects battery information of the plural cells; a battery pack having plural battery modules and a battery pack control unit, which collects information of the plural modules; and a battery block having plural packs and a battery block control unit that collects information of the plural packs. The module control unit and the pack control unit communicate via a first communication line. The pack control unit and the block control unit communicate via a second communication line. The module control unit and the block control unit have a communication line in which direction communication is carried out without having a relay of the pack control unit. | 10-03-2013 |
20130295424 | Electrolyte-Based Battery Cell, Method and System for Determining the State of Charge of Electrolyte-Based Batteries - An electrolyte-based battery cell, having a positive electrode active material layer formed adjacent to a positive electrode collector, a negative electrode active material layer formed adjacent to a negative electrode collector, a separator which has surfaces facing respective surfaces of said active material layers, an electrolyte kept within the separator, the active material layers and there between, and a conductivity measuring means for measuring an electric conductivity of the electrolyte. Also disclosed are a system, and method, for determining the state of charge of an electrolyte-based battery. | 11-07-2013 |
20130323554 | BATTERY MANAGEMENT SYSTEM FOR A BATTERY CELL WITH A PRESSURE-SENSITIVE FILM SENSOR - A battery management system is configured for use with a battery having at least one battery cell with a cell housing and an electrode winding arranged inside the cell housing. The battery management system includes a battery state detection mechanism. The electrode winding is covered at least partially by a pressure-sensitive film sensor. The battery state detection mechanism is configured to read in a measured value, provided by the pressure-sensitive film sensor, or a variable derived from this measured value. The battery state detection mechanism uses the measured value/variable as an evaluation parameter to determine the battery state. The battery state detection mechanism is configured to determine a swelling force from swelling of the electrode winding due to the state of charge thereof by using the measured value/variable. The swelling force is used to further determine the state of charge or state of health of the battery cell. | 12-05-2013 |
20130330584 | VOLTAGE SENSING ASSEMBLY AND BATTERY MODULE INCLUDING THE SAME - Disclosed is a voltage sensing assembly for sensing voltage of battery cells, each having electrode terminals formed at an upper or lower end thereof, in a state in which the voltage sensing assembly is mounted to a battery module, the voltage sensing assembly including (a) a block case formed of an electrically insulating material, the block case being mounted, horizontally within a space between electrode terminal connection parts of the battery cells, to the front or rear of the battery module, (b) wires connected respectively to voltage sensing terminals, each of the voltage sensing terminals being integrally formed at an upper or lower end of a corresponding one of bus bars electrically connected to the electrode terminal connection parts of the battery cells, and (c) a connector that transmits detected voltages of the wires to a controller. | 12-12-2013 |
20140079969 | ESTIMATING STATE OF CHARGE (SOC) AND UNCERTAINTY FROM RELAXING VOLTAGE MEASUREMENTS IN A BATTERY - Some embodiments of the present invention provide a system that estimates a state of charge for a battery. During operation, while the battery is relaxing toward a fully rested state, the system determines if a modified state of charge of the battery is substantially consistent with a predetermined decay pattern. If so, the system estimates the state of charge of the battery as a value of the modified state of charge determined at the time when the consistency is observed. Otherwise, the system continues monitoring the modified state of charge of the battery. In one embodiment, the predetermined decay pattern is a single exponential decay. After estimating the state of charge of the battery, the system may determine an uncertainty of the estimated state of charge. More specifically, the system can estimate the uncertainty as substantially equal to a fraction of the difference between the value of the modified state of charge and the value of the voltage-based state of charge at the time when the consistency is observed. | 03-20-2014 |
20140113168 | FRAME FOR AN ENERGY STORAGE DEVICE, BATTERY CELL WITH THE FRAME AND THE ENERGY STORAGE DEVICE, BATTERY WITH TWO OF THESE BATTERY CELLS AND ALSO METHOD FOR PRODUCING THE FRAME - A frame for an electrochemical energy storage device, which comprises two current conductors of different polarity, wherein the current conductors are used for exchanging electrical charge with the energy storage device,
| 04-24-2014 |
20140141302 | System and Method for Monitoring Electrolyte Levels in a Battery - A measuring device is used in conjunction with a programmable controller for monitoring electrolyte levels in the battery. According to one implementation, the measuring device is located in a battery and is configured to detect when the electrolyte level in the battery falls below a particular level. The controller is in electrical communication with the electrolyte detection device. The controller is configured to: (i) receive a signal from the electrolyte level detection device indicating when the electrolyte level in the battery has fallen below the particular level; (ii) introduce a wait-period after the signal is received; and (iii) enable an indicator to indicate that the electrolyte level in the battery should be refilled when the wait-period expires. | 05-22-2014 |
20140162101 | BATTERY MODULE - A battery module comprises a battery pack including a plurality of cells and a plurality of connectors to electrically connect adjacent cells respectively; a case housing the battery pack; and a sampling unit fixed to the case and including: a BIC module fixed onto the case; a wiring trough fixed onto the case; a signal sampling terminal; and a sampling wire disposed within the wiring trough and having a first end electrically connected to the BIC module and a second end electrically connected to the signal sampling terminal. | 06-12-2014 |
20140199569 | Predicted Sensor Information For A Battery - A computer-implemented method for predicting a value of a cell parameter is provided, wherein the cell is one of a plurality of cells of a battery pack. The method includes determining which other different conditions of the cell and which similar and/or different conditions of any other cell of the plurality of cells correlate with the cell condition, determining values of one or more parameters from the same cell or any other cell of the plurality of cells that correspond to the determined conditions that correlate with the cell condition, and predicting the value of the cell parameter based on the determined values. | 07-17-2014 |
20140272502 | Golf Cart Battery System - A battery includes an integrated or single case structure with internal through wall connections of all cells to provide the battery with an output voltage that is the full voltage required for a golf cart, e.g., about 36 to 72 volts. The integrated case may be made from plastic or similar material and includes lift features that permit replacement of the battery using a mechanical lift system. The battery may further include one or more filler tubes, each containing a float that can be seen though a cap on the tube when liquid is at a desired level and cannot be seen though the cap when liquid is at a low level. | 09-18-2014 |
20150111077 | LITHIUM BATTERY WITH REFERENCE ELECTRODE - A method of manufacturing a reference electrode for a lithium ion battery comprises charging the battery to a threshold state-of-charge, wherein the battery includes a neutral metal can and a negative electrode, and plating a reference electrode on an interior surface of the neutral metal can by electrically connecting the neutral metal can to the negative electrode, a neutral metal can potential being greater than a negative electrode potential. | 04-23-2015 |
20150349385 | Method and System for Predicting Useful Life of a Rechargeable Battery - System and method for predicting the remaining useful life (RUL) of a rechargeable battery, such as a lithium-ion rechargeable battery. In a method, the capacity of the battery is determined based on at least changes of state of charge values estimated at a first and second time and a net charge flow of the battery and applying a particle filter to a capacity degradation formula using the determined capacity to form a capacity degradation model and determining the RUL using the capacity degradation model using a pre-defined end of service threshold. The system and method may be used to predict the RUL of a rechargeable battery in an implantable medical device. | 12-03-2015 |
20150380697 | BATTERY PACK FOR A CORDLESS POWER TOOL - A battery pack includes a battery cell holder, where the battery cell holder includes multiple frames with each of the frames defining a cavity and adjacent frames connected to each other. The battery pack includes at least one pouch battery cell disposed in the cavity of each of the frames, where pouch battery cells disposed in adjacent frames are electrically connected to each other. The multiple frames are arranged in a stacked configuration. | 12-31-2015 |
20160156003 | PORTABLE BATTERY DEVICE | 06-02-2016 |
20170237091 | METHOD AND SYSTEM FOR MONITORING STATE OF CHARGE (SOC) OF FLOW BATTERY SYSTEM, FLOW BATTERY BASED ON REDUNDANCY DESIGN OF SOC DETECTION DEVICE, METHOD AND DEVICE FOR DETERMINING ACTUAL CAPACITY OF FLOW BATTERY, AND METHOD AND SYSTEM FOR ESTIMATING INPUT-OUTPUT CHARACTERISTIC OF ALTERNATING-CURRENT SIDE OF FLOW BATTERY | 08-17-2017 |