Back to results
US 10,541,389 B2Granted
Battery, battery pack, electronic device, electric vehicle, electric storage device and electric power system
AssigneeMurata Manufacturing Co., Ltd.
InventorsMitsuhiro Ue, Yoshihiro Dokko, Takaaki Matsui
Life of this patent
Estimating the term…
Abstract
A battery is provided. The battery includes a power generation element having a through hole; and a cylindrical can housing the power generation element and having at least one thin wall part on a circumferential surface of the cylindrical can. A ratio of a hole diameter of the through hole to an outer diameter of the power generation element is 17% or less. The thin wall part is provided in one or both of regions in a range from 0% to 30% and a range from 70% to 100% from one end of the circumferential surface.
Claims20
A battery comprising:
- a power generation element having a through hole;
- and
- a cylindrical can housing the power generation element and having at least one thin wall part on a circumferential surface of the cylindrical can,
- wherein a ratio of an average hole diameter of the through hole to an average outside diameter of the power generation element is 17% or less, and
- wherein the thin wall part has a thickness less than the cylindrical can, and wherein the thin wall part is provided in at least a region in a first range from 0% to 30% and a second range from 70% to 100% of the circumferential surface, and wherein 0% represents a first position on an end of the circumferential surface and 100% represents a second position on an opposite end of the circumferential surface.
2 more elements
Dependencies are inferred from the claim text.