The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 31, 2017
Filed:
Feb. 12, 2015
Dongguan Amperex Technology Limited, Dongguan, CN;
Ningde Amperex Technology Limited, NingDe, CN;
Wei Li, NingDe, CN;
Shao gang Li, Dongguan, CN;
Xue hui Wang, NingDe, CN;
Qiong Qu, Dongguan, CN;
Ru lai Cai, NingDe, CN;
Dongguan Amperex Technology Limited, Dongguan, CN;
Ningde Amperex Technology Limited, NingDe, CN;
Abstract
According to one embodiment of the present invention, a lithium ion battery having desirable safety performance is provided. The lithium ion battery includes a battery housing, a battery cover assembled to the battery housing, a pressure relief valve coupled to the battery housing and/or battery cover, and a safety device formed on the housing and/or battery cover and fixed to the pressure relief valve. The safety device includes a shielding plate facing the pressure relief valve, a side wall and an air flow channel structure. The side wall extends from the shielding plate and connects with the battery housing or the battery cover. The air flow channel structure is defined in the side wall.