Charge protocol inspection apparatus and operating method thereof
AssigneeLG Energy Solution, Ltd.
InventorsYeo Kyung Yoon, Jeong In Yu, Yong Jun Kim
Life of this patent
Estimating the term…
Abstract
A charge protocol inspection apparatus including an information obtaining unit is configured to obtain information about a charge protocol of a battery cell, an open circuit voltage (OCV) corresponding to a state of charge (SoC) of the battery cell, and a reference internal resistance of the battery cell, calculate an internal resistance of the battery cell during charge based on the information about the charge protocol and the OCV corresponding to the SoC of the battery cell, and compare the reference internal resistance of the battery cell with the internal resistance of the battery cell during charge.
Claims14
A charge protocol inspection apparatus comprising:
- memory storing instructions;
- and
- one or more processors configured to execute the instructions to:
- obtain information about a charge protocol of a battery cell, an open circuit voltage (OCV) corresponding to a state of charge (SoC) of the battery cell, and a reference internal resistance of the battery cell;
- calculate an internal resistance of the battery cell during charge based on the information about the charge protocol and the OCV corresponding to the SoC of the battery cell;
- compare the reference internal resistance of the battery cell with the calculated internal resistance of the battery cell during charge;
- and
- determine a suitability of the charge protocol for charging the battery cell based on the comparison.
A charge protocol inspection apparatus comprising:
- memory storing instructions;
- and
- one or more processors configured to execute the instructions to:
- obtain information about a charge protocol of a battery cell, an open circuit voltage (OCV) corresponding to a state of charge (SoC) of the battery cell, and a reference internal resistance of the battery cell, wherein the information about the charge protocol of the battery cell comprises a voltage corresponding to the SoC of the battery cell while the battery cell is charged according to the charge protocol;
- calculate an internal resistance of the battery cell during charge based on the information about the charge protocol and the OCV corresponding to the SoC of the battery cell;
- and
- compare the reference internal resistance of the battery cell with the calculated internal resistance of the battery cell during charge.
A charge protocol inspection apparatus comprising:
- memory storing instructions;
- and
- one or more processors configured to execute the instructions to:
- obtain information about a charge protocol of a battery cell, an open circuit voltage (OCV) corresponding to a state of charge (SoC) of the battery cell, and a reference internal resistance of the battery cell;
- calculate an internal resistance of the battery cell during charge based on the information about the charge protocol and the OCV corresponding to the SoC of the battery cell;
- compare the reference internal resistance of the battery cell with the calculated internal resistance of the battery cell during charge, wherein the one or more processors are further configured to calculate a respective internal resistance of the battery cell during charge for each of a plurality of charge protocols.
An operating method of a charge protocol inspection apparatus, the operating method comprising:
- obtaining, by one or more processors, information about a charge protocol of a battery cell, an open circuit voltage (OCV) corresponding to a state of charge (SoC) of the battery cell, and a reference internal resistance of the battery cell;
- calculating, by the one or more processors, an internal resistance of the battery cell during charge based on the information about the charge protocol and the OCV corresponding to the SoC of the battery cell;
- comparing, by the one or more processors, the reference internal resistance of the battery cell with the calculated internal resistance of the battery cell during charge;
- and
- determine a suitability of the charge protocol for charging the battery cell based on the comparison.
Dependencies are inferred from the claim text.