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US 6,275,006 B1Granted
Method for charging secondary battery
AssigneeMatsushita Electric Industrial Co., Ltd.
InventorsKiichi Koike, Harumi Murochi, Masahito Ishiwata, Hiroyuki Jimbo, Norio Saito
Life of this patent
Estimating the term…
Abstract
A method for charging a secondary battery by measuring the static/open circuit voltage and comparing it to a predetermined value includes: a first step of precharging the secondary battery; thereafter pausing a predetermined interval; a step of measuring a secondary battery voltage Vba1 after performing the pausing; and a step of charging the secondary battery based on the measurement of the secondary battery voltage Vba1.
Claims7
A method for charging a secondary battery, comprising:
- a step of precharging the secondary battery;
- a step of measuring a secondary battery voltage Vba1 after performing the precharging;
- and
- a step of charging the secondary battery based on the measurement of the secondary battery voltage Vba1.
1 more element
Dependencies are inferred from the claim text.