Battery pack and method of managing the battery pack
First Claim
1. A battery pack comprising:
- a lithium air battery configured to receive air and discharge a discharge gas, the lithium air battery comprisinga cell module configured to generate electricity based on oxidation of a lithium metal and reduction of oxygen; and
a battery management unit configured to control charging and discharging of the lithium air battery,wherein the battery management unit comprisesa measurement unit configured to measure a carbon composition ratio of the discharge gas, measure a current, and to generate discharge gas data and current data;
a capacity estimation unit configured to estimate a present capacity of the lithium air battery based on the discharge gas data and the current data and to generate a present capacity data; and
a state of health estimation unit configured to estimate a state of health of the lithium air battery based on the present capacity data.
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Accused Products
Abstract
A battery pack including: a lithium air battery configured to receive air and discharge a discharge gas, the lithium air battery including a cell module configured to generate electricity based on oxidation of a lithium metal and reduction of oxygen; and a battery management unit configured to control charging and discharging of the lithium air battery, wherein the battery management unit includes a measurement unit configured to measure a composition ratio of the discharge gas, measure a current, and to generate discharge gas data and current data; a capacity estimation unit configured to estimate a present capacity of the lithium air battery based on the discharge gas data and the current data and to generate a present capacity data; and a state of health estimation unit configured to estimate a state of health of the lithium air battery based on the present capacity data.
13 Citations
12 Claims
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1. A battery pack comprising:
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a lithium air battery configured to receive air and discharge a discharge gas, the lithium air battery comprising a cell module configured to generate electricity based on oxidation of a lithium metal and reduction of oxygen; and a battery management unit configured to control charging and discharging of the lithium air battery, wherein the battery management unit comprises a measurement unit configured to measure a carbon composition ratio of the discharge gas, measure a current, and to generate discharge gas data and current data; a capacity estimation unit configured to estimate a present capacity of the lithium air battery based on the discharge gas data and the current data and to generate a present capacity data; and a state of health estimation unit configured to estimate a state of health of the lithium air battery based on the present capacity data. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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Specification