Back to results
US 2026/0204698 A1Published application
Shell, battery cell, battery, and electric device
AssigneeContemporary Amperex Technology Co., Limited
InventorsKai WU, Xinxiang CHEN, Long CHEN, Yan LUO, Denghua LIN, Shoujun HUANG, Yulian ZHENG, Peng WANG
Life of this patent
Estimating the term…
Abstract
A shell, a battery cell, a battery, and an electric device. At least partial area of a shell 211 has a tensile strength Rm at a temperature of 25° C. At least part of the shell 211 comprises first shell walls 2112, the average thickness of the first shell walls 2112 is T, Rm and T satisfy the following: 250 MPa≤Rm≤2000 MPa, 0.05 mm≤T≤0.5 mm, and 60 mm·MPa≤T×Rm≤500 mm·MPa.
Claims20
A shell body, used for a battery cell, wherein:
- at least a partial region of the shell body comprises a first shell body wall, and a tensile strength Rm of the at least a partial region of the shell body at a temperature of 25° C. and an average thickness T of the first shell body wall satisfy that 250 MPa≤Rm≤2000 MPa, 0.05 mm≤T≤0.5 mm, and 60 mm·MPa≤T×Rm≤500 mm·MPa.
Dependencies are inferred from the claim text.