Storage cell device and storage cell system
A battery device and battery technology, applied in battery circuit devices, circuit devices, different battery charging directions, etc., can solve the problems that the system cannot meet the battery capacity or output characteristics, secondary battery deterioration, resistance rise, etc.
Inactive Publication Date: 2016-06-01
KK TOSHIBA
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- Application Information
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Problems solved by technology
[0002] After the secondary battery is manufactured, it gradually deteriorates, resulting in a reduction in its capacity or an increase in its resistance.
In the case of large deterioration, the system becomes unable to meet the required battery capacity or output characteristics, and there is a risk of system shutdown
Method used
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Embodiment Construction
[0030] Embodiments will be described below using the drawings.
[0031] figure 1 It is a configuration block diagram showing an example of the configuration of the large-scale storage battery device in the embodiment.
[0032] use figure 1 , an overview of the entire system of the large-scale storage battery device according to the present embodiment will be described.
[0033] exist figure 1 Among them, 10-1, 10-2, ..., 10-n are storage battery devices (also called battery trays). These are sometimes collectively referred to as the storage battery device 10 . The storage battery devices 10 - 1 , 10 - 2 , . . . , 10 - n have the same configuration, and for example, 16 of them are prepared. The figure typically shows the internal structure of one storage battery device 10-1.
[0034] The storage battery device 10 - 1 has charge and discharge terminals 51 , 52 . For example, the charging and discharging terminal 51 is a positive terminal (plus terminal), and the charging ...
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A storage cell device, provided with: a plurality of assembled cell units (20), each of the assembled cell units (20) including a cell module circuit in which a plurality of cell modules (30), including a cell monitoring unit (32) for monitoring the voltage and temperature of a cell connected in series, are connected in series, a current sensor for detecting the current flowing through the cell module circuit, and a cell management device (44) into which monitoring data from the cell monitoring units and detected data from the current sensor are inputted; a barrier control device (60) for communicating with the cell management devices in the plurality of assembled cell units; and a measurement computer (90) connected to the barrier control device and the plurality of cell management devices, the measurement computer (90) calculating a characteristic value of each of the cells or cell modules on the basis of the detected data acquired at a first time interval from the cell management devices, and transmitting, to a control device (80), the calculated characteristic value or the detected data acquired every second time interval longer than the first time interval or when requested by the control device.
Description
technical field [0001] Embodiments of the present invention relate to a battery device and a battery system. Background technique [0002] After the secondary battery is manufactured, it gradually deteriorates, resulting in performance degradation such as a reduction in capacity or an increase in resistance. The deterioration of the battery affects the system using the battery. When the degradation is large, the system cannot satisfy the required battery capacity or output characteristics, and there is a possibility that the system will stop operating. Therefore, it is important to estimate the deterioration of the battery. That is, it is desirable for a system using a battery to be able to detect the life of the battery. It is known that the deterioration rate of the battery changes depending on how the battery is used (environmental temperature, charge / discharge range, etc.), and several methods of estimating the deterioration of the battery have been proposed. [0003...
Claims
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IPC IPC(8): H02J7/00H01M10/48H02J7/02
CPCH01M10/425H01M10/482H01M10/486H01M2010/4271G01R31/392G01R31/3842G01R31/371G01R31/389G01R31/396Y02E60/10H01M10/48H02J7/0013H01M2010/4278H02J7/0029H02J7/02H02J7/0047G01R31/3835
Inventor 小杉伸一郎关野正宏星野昌幸樱井宏昭森田朋和小林武则豊崎智广佐久间正刚山本幸洋
Owner KK TOSHIBA