Title:
BATTERY PACK AND ELECTRIC VEHICLE
Document Type and Number:
WIPO Patent Application WO/2021/212794
Kind Code:
A1
Abstract:
The present invention provides a battery pack and an electric vehicle. The battery pack comprises a sealed box body, and at least one structural beam and multiple pole core strings electrically connected to one another located in the box body; the box body comprises a box main body, the box main body comprises a top plate and a bottom plate which are oppositely disposed along a first direction, the structural beam is located between the top plate and the bottom plate, the at least one structural beam divides the interior of the box body into multiple accommodating cavities, the at least one structural beam is connected to the top plate and the bottom plate, and at least one pole core string is provided in at least one accommodating cavity; the air pressure of the accommodating cavity is lower than that outside the box body; a mounting portion is provided on the box body and is used for being connected and fixed to an external load; each pole core string comprises multiple pole core groups which are sequentially arranged along a second direction and are connected in series; the pole core groups are packaged in packaging films; the length direction of the pole core strings extends along the second direction.
More Like This:
| WO/2018/087681 | BATTERY PACK WITH GAS DISCHARGING PASSAGE |
| JP2021190246 | LAMINATE TYPE POWER STORAGE DEVICE |
| WO/2021/070927 | SOLID-STATE BATTERY |
Inventors:
SUN HUAJUN (CN)
LU ZHIPEI (CN)
PENG QINGBO (CN)
WAN LONG (CN)
ZHU YAN (CN)
LU ZHIPEI (CN)
PENG QINGBO (CN)
WAN LONG (CN)
ZHU YAN (CN)
Application Number:
PCT/CN2020/124746
Publication Date:
October 28, 2021
Filing Date:
October 29, 2020
Export Citation:
Assignee:
BYD CO LTD (CN)
International Classes:
H01M50/10; H01M50/105
Foreign References:
| CN111312964A | 2020-06-19 | |||
| CN111293253A | 2020-06-16 | |||
| CN110190211A | 2019-08-30 | |||
| EP3528312A1 | 2019-08-21 | |||
| CN104527449A | 2015-04-22 | |||
| CN110190212A | 2019-08-30 | |||
| CN209776139U | 2019-12-13 | |||
| CN110828746A | 2020-02-21 |
Other References:
See also references of EP 4142024A4
Attorney, Agent or Firm:
TSINGYIHUA INTELLECTUAL PROPERTY LLC (CN)
Download PDF: