BATTERY PACK, ENERGY STORAGE SYSTEM INCLUDING BATTERY PACK, AND METHOD OF CHARGING BATTERY PACK
First Claim
1. A battery pack comprising:
- a battery comprising at least one battery cell;
at least one temperature sensor configured to detect a temperature of the battery;
a cell voltage measuring unit configured to measure a cell voltage of the at least one battery cell and to generate cell voltage data comprising at least one cell voltage value;
a temperature measuring unit coupled to the at least one temperature sensor, the temperature measuring unit being configured to generate temperature data comprising at least one temperature value corresponding to the temperature of the battery detected by the at least one temperature sensor; and
a control unit configured to determine a maximum charging current value (MCCV) of a charging current for charging the battery based on the cell voltage data and the temperature data wherein the control unit is configured to transmit the MCCV to a charging apparatus configured to supply the charging current to the battery pack, andwherein the charging apparatus is configured to control the charging current supplied to the battery pack to have a value below the MCCV.
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Accused Products
Abstract
A battery pack including: a battery including a battery cell; a temperature sensor for detecting a temperature of the battery; a cell voltage measuring unit for measuring a cell voltage of the battery cell and generating cell voltage data including a cell voltage value; a temperature measuring unit coupled to the temperature sensor, the temperature measuring unit being for generating temperature data including a temperature value corresponding to the temperature of the battery detected by the temperature sensor; and a control unit for determining a maximum charging current value (MCCV) of a charging current for charging the battery based on the cell voltage data and the temperature data. The control unit is for transmitting the MCCV to a charging apparatus for supplying the charging current to the battery pack. The charging apparatus is for controlling the charging current supplied to the battery pack to have a value below the MCCV.
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Citations
16 Claims
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1. A battery pack comprising:
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a battery comprising at least one battery cell; at least one temperature sensor configured to detect a temperature of the battery; a cell voltage measuring unit configured to measure a cell voltage of the at least one battery cell and to generate cell voltage data comprising at least one cell voltage value; a temperature measuring unit coupled to the at least one temperature sensor, the temperature measuring unit being configured to generate temperature data comprising at least one temperature value corresponding to the temperature of the battery detected by the at least one temperature sensor; and a control unit configured to determine a maximum charging current value (MCCV) of a charging current for charging the battery based on the cell voltage data and the temperature data wherein the control unit is configured to transmit the MCCV to a charging apparatus configured to supply the charging current to the battery pack, and wherein the charging apparatus is configured to control the charging current supplied to the battery pack to have a value below the MCCV. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. An energy storage system comprising:
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a battery system comprising a battery comprising at least one battery cell and a battery management unit configured to control charging and discharging of the battery; and a power conversion system (PCS) comprising a power converting apparatus configured to convert power between a power generation system, a grid, and the battery system and an integrated controller configured to control the power converting apparatus, wherein the battery management unit comprises; a cell voltage measuring unit configured to measure a cell voltage of the at least one battery cell and to generate cell voltage data comprising at least one cell voltage value; a temperature measuring unit configured to generate temperature data comprising at least one temperature value corresponding to a temperature of the battery detected by at least one temperature sensor in the battery; and a control unit configured to determine a maximum charging current value (MCCV) of a charging current for charging the battery based on the cell voltage data and the temperature data and to transmit the MCCV to the integrated controller, wherein the integrated controller is configured to receive the MCCV from the battery management unit and control the power converting apparatus to supply the charging current having a value below the MCCV to the battery system. - View Dependent Claims (12, 13, 14)
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15. A method of charging a battery pack comprising a battery comprising at least one battery cell, the method comprising:
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measuring a cell voltage of the at least one battery cell; generating cell voltage data comprising at least one cell voltage value corresponding to the cell voltage; generating temperature data comprising at least one temperature value corresponding to a temperature of the battery measured by at least one temperature sensor; determining a maximum charging current value (MCCV) of a charging current for charging the battery based on the cell voltage data and the temperature data transmitting the MCCV to a charging apparatus coupled to the battery pack; and supplying the charging current having a value below the MCCV from the charging apparatus. - View Dependent Claims (16)
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Specification