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US 12,689,039 B2Granted
Electrical collector body of secondary battery and secondary battery
AssigneePrime Planet Energy & Solutions, Inc.
InventorsDaisuke Horikawa, Yohei Shindo
Life of this patent
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Abstract
The electrical collector body of the secondary battery includes a resin layer, and metal foils that cover both surfaces of the resin layer. On the metal foils, multiple holes are formed.
Claims7
An electrical collector body of a secondary battery, comprising:
- a resin layer;
- and
- metal foils that cover both surfaces of the resin layer, wherein
- multiple holes penetrate all the way through each of the metal foils,
- the metal foils comprise protrusions that are formed around at least some of the multiple holes and that protrude toward the resin layer,
- the protrusions protrude into the resin layer, and
- the resin layer enters into the multiple holes.
4 more elements
Dependencies are inferred from the claim text.