BATTERY PACK AND ELECTRIC VEHICLE

Title:

BATTERY PACK AND ELECTRIC VEHICLE

Document Type and Number:

WIPO Patent Application WO/2021/212795

Kind Code:

A1

Abstract:

A battery pack (10) and an electric vehicle (1). The battery pack (10) comprises a box body, and at least one structural beam (200) and a plurality of mutually and electrically connected pole core strings (401) that are located in the box body; the box body comprises a box main body (100); the box main body (100) comprises a top plate (120) and a bottom plate (130) that are provided opposite to each other along a first direction; the structural beam (200) is located between the top plate (120) and the bottom plate (130); the at least one structural beam (200) is connected to the top plate (120) and the bottom plate (130); the at least one structural beam (200) divides the interior of the box body into a plurality of accommodating cavities (300); at least one pole core string (401) is provided in at least one accommodating cavity (300); mounting parts (110) are provided on the box body; each mounting part (110) is used for being fixedly connected to an external load; each pole core string (401) comprises a plurality of pole core sets (400) that are sequentially arranged along a second direction and connected in series; the pole core sets (400) are packaged in a packaging film (500); and the length of the pole core string (401) is extended along the second direction.

Inventors:

SUN HUAJUN (CN)
LU ZHIPEI (CN)
PENG QINGBO (CN)
WAN LONG (CN)
ZHU YAN (CN)

Application Number:

PCT/CN2020/124749

Publication Date:

October 28, 2021

Filing Date:

October 29, 2020

Export Citation:

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Assignee:

BYD CO LTD (CN)

International Classes:

H01M50/112

Foreign References:

CN111293253A	2020-06-16
CN111312964A	2020-06-19
CN110828744A	2020-02-21
EP3528312A1	2019-08-21
CN110518174A	2019-11-29
CN206225434U	2017-06-06
CN209544439U	2019-10-25

Other References: