Method for charging a battery pack including a plurality of battery units
AssigneesMatsushita Electric Industrial Co., Ltd., Toyota Jidosha Kabushiki Kaisha
InventorsKeiichi Minamiura, Toshiaki Nakanishi, Kiwamu Inui, Yoshiaki Kikuchi
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Abstract
A method for charging a battery pack including a plurality of battery units includes: a first step of charging the battery units with a first electric current at a first rate until an internal pressure of at least one of the plurality of battery units begins to increase; and a second step of charging/discharging the battery units with a second electric current which is lower than the first electric current at a second rate which is lower than the first rate after the internal pressure of the at least one of the plurality of battery units has begun to increase.
Claims9
A method for charging a battery pack including a plurality of battery units, comprising:
- a first step of charging the battery units with a first electric current at a first rate until an internal pressure of at least one of the plurality of battery units begins to increase;
- and
- a second step of charging/discharging the battery units with a second electric current which is lower than the first electric current at a second rate which is lower than the first rate after the internal pressure of the at least one of the plurality of battery units has begun to increase.
Dependencies are inferred from the claim text.