Battery
AssigneeSanyo Electric Co., Ltd.
InventorRyoichi WAKIMOTO
Life of this patent
Estimating the term…
Abstract
A battery includes an electrode body obtained by stacking a positive electrode plate and a negative electrode plate with a separator interposed therebetween, an exterior body having an opening and housing the electrode body, a sealing plate sealing the opening, and an external terminal attached to the sealing plate. A tab is provided at at least one of the positive electrode plate or the negative electrode plate, and is electrically connected to the external terminal via a current collector between the electrode body and the sealing plate. The tab is welded to the current collector. A covering member covers a welding point between the tab and the current collector.
Claims7
A battery comprising:
- an electrode body obtained by stacking a positive electrode plate and a negative electrode plate with a separator interposed therebetween;
- an exterior body having an opening and housing the electrode body;
- a sealing plate sealing the opening;
- and
- an external terminal attached to the sealing plate,
- a tab being provided at at least one of the positive electrode plate or the negative electrode plate and being electrically connected to the external terminal via a current collector between the electrode body and the sealing plate,
- the tab being welded to the current collector,
- a covering member covering a welding point between the tab and the current collector.
Dependencies are inferred from the claim text.