Electric storage device, manufacturing method of electric storage device, and bus bar used for electric storage device
AssigneeLithium Energy Japan
InventorsToshiki Yoshioka, Toshiki KUSUNOKI
Life of this patent
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Abstract
An electric storage device includes: electric storage elements including external terminals; and bus bars connected to the external terminals, wherein the bus bars include thin-walled portions, and the thin-walled portions and the external terminals are welded together.
Claims19
An electric storage device comprising:
- an electric storage element including an external terminal;
- and
- a bus bar connected to the external terminal,
- wherein the bus bar includes a thin-walled portion, and
- the thin-walled portion and the external terminal are welded together.
A manufacturing method of an electric storage device, which includes an electric storage element having an external terminal and a bus bar connected to the external terminal, the method comprising the step of welding a thin-walled portion, which is formed at the bus bar, and the external terminal.
A bus bar to be connected to an external terminal of an electric storage element having the external terminal,
- the bus bar comprising a thin-walled portion to be welded to the external terminal.
A bus bar for connecting external terminals of two electric storage elements respectively having the external terminals,
- the bus bar comprising thin-walled portions, to be welded to the external terminals of the two electric storage elements, at least at two portions.
Dependencies are inferred from the claim text.