摘要:
A prismatic electric power cell has two flat current conductors, which project substantially perpendicular from one of the outer surfaces of the cell and which are arranged substantially plane-parallel to each other. The current conductors each have at least one hole in the direction of the surface normal thereof, wherein the hole pattern of one current conductor is mirror-symmetrical to the hole pattern of the other current conductor. The invention further relates to an electric power unit which has a plurality of the electric power cells.
摘要:
The present invention relates to an accumulator with extended durability. The invention is described in relation to a lithium-ion-accumulator for supplying a motor vehicle drive. However, it should be noted that the invention will also be applicable for batteries without lithium and/or independent from motor vehicles.
摘要:
The invention relates to a battery system comprising at least one battery. According to the invention, provisions are made that said battery system comprises at least one Peltier element, which is used for cooling and/or for heating at least one battery.
摘要:
The galvanic cell according to the invention comprises at least one current conductor and a casing. Said casing at least partially surrounds said galvanic cell. A contact area is assigned to said casing. The casing is at least partially materially engaged with the current conductor via the contact area. The casing comprises at least one first layer and one second layer. The materials of said first layer and said second layer of the casing are different in respect to at least one chemical material.
摘要:
The galvanic cell according to the invention comprises at least one current conductor and a casing. Said casing at least partially surrounds said galvanic cell. A contact area is assigned to said casing. The casing is at least partially materially engaged with the current conductor via the contact area. The casing comprises at least one first layer and one second layer. The materials of said first layer and said second layer of the casing are different in respect to at least one chemical material.
摘要:
The invention relates to a battery management system (10) for monitoring and controlling of at least one device (14, 14′), which works according to galvanic principles, in particular a lithium-ion accumulator with at least one lithium-ion cell (14a, 14b, 14c, . . . ; 14a′, 14b′, 14c′, . . . ). The system (10) comprises: A central control device (16), a program storage device (18) in operational connection with the central control device (16), at least one data storage device (20) in operational connection with the central control device (16), at least one sensor interface device (22) operationally connected to the central control device (16) for monitoring of such function parameters of at least one lithium-ion cell of the device (14), which works according to galvanic principles, and configured for operationally connecting with at least one external sensor device (26a, 26b, 26c, . . . ) for measuring at least one function parameter of a respective lithium-ion cell, at least one import device (44a, 44b, 44c, . . . ) in operational connection with the central control device (16) and configured for importing of at least one operation parameter of an assigned lithium-ion cell (14a, 14b, 14c, . . . ; 14a′, 14b′, 14c′, . . . ). According to the invention, the central control device (16), the at least one program storage device (18), the at least one data storage device (20), the at least one sensor interface device (22) and the at least one import device (44a, 44b, 44c, . . . ) are integrated into one integrated circuit (12).
摘要:
An electrical energy storage device includes at least one galvanic cell partly surrounded by a cell sheath, at least one heat-conducting device effectively connected to the galvanic cell, the heat-conducting device being suitable for supplying heat energy to the cell and/or conducting heat energy from the cell, a cell holding device enclosing an interior space at least partially with a wall, the interior space being suitable for accommodating each galvanic cell, and the cell sheath being at least partly effectively connected to the wall, at least one first measurement device suitable for acquiring a temperature at a prespecified position of the galvanic cell, and a control device suitable for evaluating a signal of each first measurement device that is present and/or for controlling the heat-conducting devices, heat-conducting apparatus being situated between the cell sheath and at least one of the wall of cell holding device and an additional cell sheath.
摘要:
A method of making an electrode for a device operating according to galvanic principles, in particular a lithium-ion cell, comprises the steps of: (i) making a sheet-like electrode (2), (ii) detecting where one or more imperfections (4, 4′, 4″) exist on said sheet-like electrode, and (iii) with respect to a respectively detected imperfection (4, 4′, 4″), correcting a surrounding area (6, 6′) of the imperfection (4, 4′, 4″) including said imperfection. Based on the result of detection step (ii), at least a portion (8, 8′, 8″) of the laminar electrode may be provided that has no imperfection.In an electrode made according to the method, in particular cathode or anode, for a device operating according to galvanic principles, in particular a lithium-ion cell comprising an electrode material that is arranged in a sheet-like manner, the electrode material is composed of at least a first, in particular slat-like portion (22-1), which is free from imperfections, and a second, in particular slat-like portion (22-2), which is free from imperfections.A device operating according to galvanic principles, in particular a lithium-ion cell, comprises the following layers, which are arranged one upon the other: a first electrode (32), which is free from imperfections, which comprises at least two assembled portions, which are free from imperfections, a separator layer (50) comprising a separator material (16) that is developed in a sheet-like manner, and a second electrode, which is free from imperfections, which consists of a one-piece portion or which comprises at least two assembled portions, which are free from imperfections, and which is complementary to the first electrode.
摘要:
In accordance with the invention, an accumulator comprises at least two galvanic cells that are electrically connected. The accumulator furthermore comprises a control device and at least one measuring device. The measuring device is suitable to determine at least one reading for at least one first functional parameter of a galvanic cell. The accumulator comprises a memory device which is assigned to the control device. The memory device is suitable for storing at least one target value of a first functional parameter. The accumulator furthermore comprises a computing unit. The computing unit is suitable for assigning at least two measured values and one pertinent target value to a first computed result. The measured values are the measured first functional parameters, respectively of at least two galvanic cells of the accumulator. The target value is a predetermined value in respect to the first functional parameter. The control device is suitable for initiating a predetermined action as a function of the first computed result.
摘要:
The device according to the invention for storing electrical energy comprises at least one galvanic cell. The same is at least partially surrounded by a casing. Furthermore, the device comprises a cell holding unit comprising an internal space. The at least one galvanic cell is arranged in the internal space. Furthermore, the cell holding unit comprises a wall, which at least partially delimits said internal space. Therein, the wall of the cell holding unit and/or the at least one galvanic cell comprise at least one hollow space. The at least one hollow space is at least partially filled with a first heat conducting means.