Westerman, Hattori, Daniels & Adrian, LLP
Secondary battery including insulating member with grooves
A conductive member (61) is disposed near a side of the sealing plate (2) facing the inside of a battery with a first insulating member (10) disposed therebetween. The conductive member (61) has a conductive-member opening portion (61f) at a side facing the electrode assembly. An inserting portion (7b) of a positive electrode terminal (7) is inserted through a third terminal-receiving hole (61c) in the conductive member (61) and connected to the conductive member (61). The conductive-member opening portion (61f) of the conductive member (61) is sealed by a deformation plate (62), and the deformation plate (62) is connected to a first positive-electrode current collector (6a), which is electrically connected to positive electrode plates. The conductive member (61) includes a pressing projection (61e) that projects toward the first insulating member (10) from a portion thereof that faces the first insulating member (10).
SANYO Electric Co., Ltd.
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Hiroyuki Ryoichi
Yamada Wakimoto