Sealed prismatic battery and battery module
AssigneesMatsushita Electric Industrial Co., Ltd., Toyota Jidosha Kabushiki Kaisha
InventorsTakashi Asahina, Shinji Hamada, Toyohiko Eto
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Abstract
A sealed prismatic battery includes an electrode plate group having positive and negative electrode plates stacked upon one another with a separator interposed therebetween, collectors each connected to a lead portion on either side of the electrode plate group and having one or more connection bosses formed in a middle part thereof, and a battery case, generally rectangular in shape, for accommodating the electrode plate group connected with the collectors. The battery case has a through-hole for the connection boss of the collector to penetrate therethrough via a rubber seal. A battery module includes a plurality of the sealed prismatic batteries, the connection bosses of which are connected to each other.
Claims7
A sealed prismatic battery comprising:
- an electrode plate group having a positive electrode plate and a negative electrode plate stacked upon one another with a separator interposed therebetween;
- collectors each connected to a lead portion on either side of the electrode plate group and having one or more connection bosses formed in a middle part thereof;
- and
- a prismatic battery case for accommodating the electrode plate group connected with the collectors, said battery case having a through-hole for the connection boss of the collector to penetrate therethrough via a seal member.
Dependencies are inferred from the claim text.