Battery charging method and apparatus
AssigneeSamsung Electronics Co., Ltd.
InventorsDuk Jin Oh, Young Hun Sung, Ju Wan Lim, Daeryong Jung
Life of this patent
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Abstract
A battery charging method includes acquiring a functional relationship of a differential value of an amount of charge or a state of charge (SOC) with respect to a voltage of a battery based on the voltage or the SOC, determining charging steps for charging of the battery by analyzing the functional relationship, and generating a charging profile comprising charging currents for each of the charging steps to charge the battery.
Claims31
A processor-implemented battery charging method comprising:
- acquiring a functional relationship of a battery, wherein the functional relationship is a rate of change of charge amount in the battery as a function of voltage of the battery;
- determining charging steps for charging of the battery and a charging current associated with each of the charging steps by analyzing the functional relationship;
- and
- generating a charging profile comprising the respective charging current for each of the charging steps to charge the battery.
A processor-implemented battery charging method comprising:
- determining charging steps for each of main electrochemical reactions changes in response to a battery being charged;
- determining charging current ratios for each of the charging steps based on electrochemical characteristics corresponding to the charging steps;
- and
- generating a charging profile comprising charging currents for each of the charging steps based on the charging current ratios, wherein a first of the charging steps with a first of the charging current ratios precedes a second of the charging steps with a second of the current charging that is greater than the first second of the charging current ratios.
A battery charging apparatus comprising:
- a processor configured to:
- acquire a functional relationship of a battery, wherein the functional relationship comprises a mapping between rates of change of charge amount in the battery and voltages of the battery;
- determine charging steps for charging of the battery and a charging current associated with each of the charging steps by analyzing the functional relationship;
- and
- generate a charging profile comprising the respective charging current for each of the charging steps to charge the battery.
A battery charging apparatus comprising:
- a processor configured to:
- determine charging steps for each of main electrochemical reactions that change in response to a battery being charged;
- determine charging current ratios for each of the charging steps based on electrochemical characteristics corresponding to the charging steps;
- and
- generate a charging profile comprising charging currents for each of the charging steps based on the charging current ratios, wherein a first of the charging steps with a first of the charging current ratios precedes a second of the charging steps with a second of the current charging that is greater than the first second of the charging current ratios.
A processor-implemented battery charging method comprising:
- acquiring a functional relationship of a battery, wherein the functional relationship corresponds to a relationship between rate of change of charge within the battery relative to voltage of the battery;
- determining charging steps for charging of the battery and a charging current associated with each of the charging steps by analyzing the functional relationship;
- setting a charging time;
- and
- generating a charging profile based on the charging time and an amount of charge to manage the battery.
Dependencies are inferred from the claim text.