178results about "Cells with cell condition indications" patented technology

An electromechanical surgical system is provided and includes a hand-held surgical device. The surgical device includes a device housing defining a connecting portion for selectively connecting with an adapter assembly, the housing being configured to removably receive a battery therein; at least one drive motor supported in the device housing and being configured to rotate a drive shaft; and a circuit board disposed within the housing for controlling power delivered from a battery to the motor. The system includes a battery configured for disposition in the device housing, the battery being capable of powering the at least one drive motor, the battery including at least one display. The device housing is configured such that the at least one display of the battery is visible therethrough.

In an exemplary embodiment, a method of charging a battery includes supplying a charging current to the battery and measuring one or more battery parameters. The battery parameters may be, for example, temperature, voltage and / or charging current. The battery parameter measured is used to determine a charging current set point. The set point may be selected from a number of different set points stored in memory, where each set point corresponds to a respective battery parameter range. If the charging current being supplied to the battery is different from the charging current set point determined the charging current is adjusted to match the set point. This process is repeated for each of a plurality of time periods (e.g., sampling periods) during charging of the battery.

A storage battery includes a battery housing and a plurality of electrochemical cells in the battery housing electrically connected in series to a positive terminal of the battery and a negative terminal of the battery. A first connection is coupled to the positive terminal of the battery and a second connection is coupled to the negative terminal of the battery. A battery test module is mounted to the battery housing and electrically coupled to the positive and negative terminals through the respective first and second Kelvin connection. A display or other output is configured to output battery condition information from the battery test module.

An electrical storage device of the present invention is characterized in that a positive electrode, a negative electrode, a lithium electrode, and an electrolyte capable of transferring lithium ion is included, the lithium electrode is arranged to be out of direct contact with the negative electrode, and lithium ion can be supplied to the negative electrode by flowing a current between the lithium electrode and the negative electrode through an external circuit. With the above characteristic, problems such as non-uniform carrying of lithium ion to the negative electrode, shape-change of a cell, and temperature increase of an electrolytic solution under incomplete sealing of a cell and the like can be easily solved. A using method of the electrical storage device is characterized in that, by using the lithium electrode as a reference electrode, the positive electrode potential and negative electrode potential can be measured, and the potential of the positive or negative electrode can be controlled when the electrical storage device is charged or discharged. Therefore, the potentials of the positive electrode and negative electrode can be monitored, thereby it can be easily determined whether deterioration of the electrical storage device is caused by the positive electrode or the negative electrode. Also, it is possible to control the device with the potential difference between the negative electrode and reference electrode, that is, the negative potential. In addition, when characteristics deteriorate such as the internal resistance increase, an appropriate amount of lithium ion can be supplied to the negative electrode and / or positive electrode by the lithium electrode.

An apparatus for determining a condition parameter of a battery, receives measurement signals related to the battery, determines input data such as electrical impedance from the measurement signals, and provides the input data to a plurality of different prediction algorithms, wherein each prediction algorithm provides a condition parameter estimate. A plurality of condition parameter estimates are then provided to a decision fusion algorithm, allowing a more accurate prediction of the condition parameter.

Disclosed is a cartridge-type lithium ion polymer battery pack including: at least two lithium ion polymer batteries in which adjacent electrode tabs are connected to each other so as to form a predetermined series circuit with a desired instrument; and an upper plate and a lower plate disposed at the top and the bottom of the whole lithium ion polymer batteries, respectively, and coupled to each other so that each lithium ion polymer battery is partially covered with them. Multiple layers of the battery packs are laminated and fixed with ease so as to conform to the electric power requirement for a desired instrument.

A functionally improved battery is disclosed. The battery includes a flexible thin layer open liquid state electrochemical cell (10) and an electronic chip device (60) integrally formed on or within the electrochemical cell (10). The cell (10) includes a first layer of insoluble negative pole (14), a second layer of insoluble positive pole (16) and a third layer of aqueous electrolyte (12). The third layer (12) is disposed between the first (14) and second (16) layers. The third layer (12) includes a diliquescent material for keeping the cell wet, an electroactive soluble material for ionic conductivity and a watersoluble polymer for viscosity. The viscosity adheres the first (14) and second (16) layer to the third layer (12). The chip (60) serves to improve the functionality of the battery.

An auxiliary battery for portable devices that can be used for a variety of applications with high power capacity. The auxiliary battery includes a power input section for receiving electric power from an external power source, a power storage section having a secondary battery for receiving a charge current from the power input section, a power output section having one or more output terminals for producing electric power at output terminals, and an power switch circuit for selectively inputting electric power to the power output section either from the power input section or from the power storage section.

An electronic cigarette includes a cigarette housing, a cartridge received in the cigarette housing, a vaporizer, and an intelligent battery module. The intelligent battery module includes a battery casing, a battery supporting tray for accommodating at least one battery, a Printed Circuit Board (PCB) supported in the battery casing and is electrically connected to the battery supporting tray, a Main Control Unit (MCU) implemented on the PCB, and a resistance detection circuitry implemented on the PCB for detecting a resistance of the heating element. When the resistance of the heating element reaches a predetermined upper threshold, the MCU is configured to lower or cut off a voltage supplied to the heating element. When the resistance of the heating element reaches a predetermined lower threshold, the MCU is configured to supply a normal voltage to the heating element of the vaporizer.

A battery tester for use in combination with a portable lighting device such as a flashlight or lantern having a housing for retaining at least one battery including first and second terminals, each in electrical contact with an opposite pole of the battery, a conductor located on the exterior of the housing and having one end in electrical contact with the first terminal and an opposite end operably connectable to the second terminal. An indicator material overlies and is in responsive contact with the conductor to respond to and indicate a state that is present in the conductor. The indicator material is preferably a thermochromic ink responsive to heat changes in the conductor caused by a current flowing therethrough. The conductor and indicator material are preferably mounted on a flexible substrate imprinted with decorative ink and indicia and protected by a transparent protective layer.

The invention provides a battery box including a body (1) for housing a lead acid battery (2), the body having a base (3) and sides (4) extending from the base to define an open top (5). A lid (6) is applicable to the body to close the top. In use, the lid has at least one generally vertically oriented side (7). Each one of a plurality of relatively water sensitive electrical components is electrically connectable to the battery and housed substantially within the lid. The electrical components each have a user interface located on the vertically oriented side (7) thereby to inhibit damage to the electrical component as a result of water ingress.

PCT No. PCT / JP98 / 00697 Sec. 371 Date Oct. 23, 1998 Sec. 102(e) Date Oct. 23, 1998 PCT Filed Feb. 18, 1998 PCT Pub. No. WO98 / 38689 PCT Pub. Date Sep. 3, 1998A battery device includes a lithium ion battery in a flattened cylindrical form and a circuit board arranged on a side surface of the battery. A first connection member connects between the circuit board and a positive pole, while a second connection member connects between the circuit board and a negative pole. The first connection member and the second connection member are both of strip members. The strip member is formed is a plurality of partial cuts extending from a lateral end of the strip member in a width direction. When there is a variation in the connection length between the circuit board and the positive / negative pole, the plurality of the partial cuts are opened or closed to thereby absorb the variation of the connection length by the first connection member and the second connection member.

The invention comprises a method and assembly for determining the state of charge of a battery or batteries without disturbing them or removing them from their packaging, or from a device in which they are installed, or from an enclosure preventing direct physical contact with the battery terminals. The battery terminals are electrically insulated from all connections except connections to conductors extending away from the terminals. The state of charge can be determined by attaching a measuring device to the conductors. The conductors and insulators are easily removed, allowing the terminals to come into contact with a battery-powered device.

A reusable battery indicator includes a voltage sensor, a communication circuit communicatively connected to the voltage sensor, an antenna operatively coupled to the communication circuit, and a connection mechanism having a connector and a retainer. The connector and the retainer are electrically connected to the voltage sensor, and the connector is adapted to be removably connected to a first battery terminal, thereby providing an electrical connection between the voltage sensor and the first battery terminal. The retainer is adapted to removably secure the voltage sensor to a can of a battery, thereby providing an electrical connection between the voltage sensor and the can of the battery. An electrical circuit is completed between the voltage sensor and the first battery terminal and between the voltage sensor and the can. The connection mechanism includes part of an electrical lock and key assembly.

A battery includes a first terminal, a second terminal, an outer layer, and a power indicator apparatus. The power indicator apparatus comprises an electrical conductor and a mechanical switch. The electrical conductor is configured to be in continuous electrical communication with the first terminal. The mechanical switch is configured to be actuated by an application of pressure at a single location, and upon actuation, to place the electrical conductor in electrical communication with the second terminal such that the power indication apparatus can facilitate a reading of a potential energy stored in the battery. Methods of determining a potential energy stored in the battery are also provided herein.

A secondary battery comprising a heat-sensitive indicator on the outer surface of the battery is disclosed. The color of the heat-sensitive indicator changes according to battery temperature. The heat-sensitive indicator may comprise a sheath. When the internal temperature of the battery increases rapidly, the heat-sensitive indicator changes color to alert the user that the battery is abnormally hot.

Improvements in the performance of lithium electrochemical cells comprising a first cathode active material of a relatively high energy density but of a relatively low rate capability, for example CFx, contacted to one side of a current collector and with a second cathode active material having a relatively low energy density but of a relatively high rate capability, for example SVO, contacted to the opposite current collector side are described. An exemplary cathode has the configuration: SVO / first current collector / CFx / second current collector / SVO, and wherein the anodic coulombic capacity does not exceed the total coulombic capacities of the SVO and CFx by greater than 25%. Manganese oxide (MnO2) is another typically used cathode active material in lieu of SVO, and the present invention is applicable to lithium cells of that system as well.

An apparatus (1) for activation of at least one element is disclosed. The apparatus (1) comprises at least one activation layer (20), at least one migration layer (40) arranged at the at least one activation layer (20) and being permeable to a fluid (70). The fluid (70) causes in use a change of doping level in the at least one activation layer (20) which activates the at least one element. The element may comprise an electrochromic display element (220), an electrical switch, a time controlled resistor, a galvanic element (210) or any combination thereof.

The invention is directed toward a battery including an on-cell indicator. The battery including an on-cell indicator includes at least one electrochemical cell; at least one on-cell indicator; and a printed circuit board. The at least one electrochemical cell includes a first terminal and a second terminal. The at least one on-cell indicator includes at least one on-cell indicator terminal. The printed circuit board includes at least one on-cell indicator contact and at least one electrochemical cell contact. The at least one electrochemical cell contact is in electrical connection with the first terminal of the at least one electrochemical cell. At least one conductive trace includes an on-cell indicator interconnect and a printed circuit board interconnect. The on-cell indicator interconnect is in electrical connection with the at least one on-cell indicator terminal. The printed circuit board interconnect is in electrical connection with the at least one on-cell indicator terminal.

A battery strength indicating and switch means on a battery which is coupled across the terminals of the battery and which is provided with an indicating means to indicate the strength of the battery and in addition, the battery strength indicating means is also provided with an in-line switch which can easily be depressed to complete the circuit so as to place the indicator means across the terminals of the cell and display the charge of the battery.

There is provided manufacturing method of battery comprising adhering process (S1) to adhere fluorescent material (leakage indicator including fluorescein) which emits fluorescence in response to predetermined light (ultraviolet radiation) irradiated under condition that electrolyte exists, to at least one portion of a surface on a battery case, and leakage detecting process (S2 through S9) to detect presence / absence of electrolyte leakage with fluorescence which an adhered portion emits in response to the predetermined light (ultraviolet radiation) irradiated on at least the adhered portion which has adhesion of the fluorescent material (leakage indicator including fluorescein), out of the surface on the battery case.

An electrical device includes a memory storing a value indicative the remaining available rated capacity of one or more batteries. The stored value is changed in use to reflect reducing capacity. The initial stored value is chosen so that there is a very high (e.g. >99.9%) confidence that the one or more batteries will provide at least the capacity indicated by the initial stored value. This reduces the chance of failure during emergency procedures. The one or more batteries may be integral to the electrical device. An override facility is provided.

A battery electrolyte level indicator constructed for substitution of a battery cap on a multi-cell battery. The electrolyte level indicator has an outer housing construction in the shape of a cap to be screw mounted into the open upper end of the port leading into the battery cell. A probe extends from the housing or cap, into the battery electrolyte. A light indicator, such as a light emitting diode, is mounted on the exterior of the cap housing and will become automatically energized in a fail-safe condition if the electrolyte is at a sufficient level within the cell. However, if the level of the electrolytes should drop below the depth of the probe, then the indicator light will be deenergized, thereby immediately providing an advisory signal to the operator of an unsafe battery condition. The probe is constructed so as to operate as an anode in combination with a cathode of the battery. Moreover, the probe is formed of a material which, when connected in this arrangement, is highly resistant to corrosion.

The invention relates to a device for classifying a battery produced by assembling electricity-accumulating elements (1, 2, 3, 4, 5) divided into groups. In the device, a component (22) is provided for evaluating the degrees of ageing, each of which is associated with a distinct group, and for allocating, to the battery, in accordance with statistical distribution parameters of the evaluated degrees of ageing, a classification level that is representative of the potential performances of the battery during use.