Patent ID: 9583783
Date: 2017-02-28
CPC Classifications: H01M,Y02E,Y02P

Claim:
1. A prismatic secondary battery, comprising: an electrode group including electrodes formed of positive and negative electrodes each having an active material layer coated on a surface of a metallic foil, the electrodes formed of positive and negative electrodes being flatly wound together with a separator intervening the positive and negative electrodes, the positive and negative electrodes being each formed with a metallic foil exposed section at one end in a direction of a winding axis; and a connection plate that electrically connects the electrode group and electrode terminals, wherein: the metallic foil exposed sections of the electrode group are press-joined to the connection plates; at least a portion of the press-joined sections constituted by the metallic foil exposed sections and the connection plates is covered with a resin material; and an interior surface of the resin material is in planar contact with a surface of the connection plate and wherein the connection plate directly contacts an adjacent metallic foil exposed section.