US 12,068,492 B2
Power battery pack and electric vehicle
Long He, Shenzhen (CN); Huajun Sun, Shenzhen (CN); Wenfeng Jiang, Shenzhen (CN); Zhipei Lu, Shenzhen (CN); Weixin Zheng, Shenzhen (CN); Jianglong Tang, Shenzhen (CN); Yan Zhu, Shenzhen (CN); Xinyue Wang, Shenzhen (CN); and Kefeng He, Shenzhen (CN)
Assigned to BYD COMPANY LIMITED, Shenzhen (CN)
Appl. No. 17/421,895
Filed by BYD COMPANY LIMITED, Guangdong (CN)
PCT Filed Jun. 21, 2019, PCT No. PCT/CN2019/092393
§ 371(c)(1), (2) Date Jul. 9, 2021,
PCT Pub. No. WO2020/143177, PCT Pub. Date Jul. 16, 2020.
Claims priority of application No. 201910020925.5 (CN), filed on Jan. 9, 2019; application No. 201910020967.9 (CN), filed on Jan. 9, 2019; application No. 201910021244.0 (CN), filed on Jan. 9, 2019; application No. 201910021246.X (CN), filed on Jan. 9, 2019; application No. 201910021247.4 (CN), filed on Jan. 9, 2019; and application No. 201910021248.9 (CN), filed on Jan. 9, 2019.
Prior Publication US 2022/0118841 A1, Apr. 21, 2022
Int. Cl. B60K 1/04 (2019.01); B60L 50/60 (2019.01); B60L 50/64 (2019.01); H01M 10/052 (2010.01); H01M 10/42 (2006.01); H01M 10/613 (2014.01); H01M 10/625 (2014.01); H01M 10/647 (2014.01); H01M 10/6551 (2014.01); H01M 10/6554 (2014.01); H01M 50/103 (2021.01); H01M 50/119 (2021.01); H01M 50/209 (2021.01); H01M 50/244 (2021.01); H01M 50/249 (2021.01); H01M 50/271 (2021.01); H01M 50/317 (2021.01); H01M 50/342 (2021.01); H01M 50/35 (2021.01); H01M 50/383 (2021.01); H01M 50/531 (2021.01); H01M 50/543 (2021.01); B60L 58/26 (2019.01)
CPC H01M 50/209 (2021.01) [B60K 1/04 (2013.01); B60L 50/64 (2019.02); B60L 50/66 (2019.02); H01M 10/052 (2013.01); H01M 10/425 (2013.01); H01M 10/613 (2015.04); H01M 10/625 (2015.04); H01M 10/647 (2015.04); H01M 10/6551 (2015.04); H01M 10/6554 (2015.04); H01M 50/103 (2021.01); H01M 50/119 (2021.01); H01M 50/244 (2021.01); H01M 50/249 (2021.01); H01M 50/271 (2021.01); H01M 50/317 (2021.01); H01M 50/342 (2021.01); H01M 50/3425 (2021.01); H01M 50/35 (2021.01); H01M 50/383 (2021.01); H01M 50/531 (2021.01); H01M 50/543 (2021.01); B60K 2001/0405 (2013.01); B60K 2001/0438 (2013.01); B60L 58/26 (2019.02); H01M 2010/4271 (2013.01); H01M 2220/20 (2013.01)] 33 Claims
OG exemplary drawing
 
1. A power battery pack, comprising:
a pack body having an accommodating space and a middle cross beam, and the middle cross beam dividing the accommodating space into at least two accommodating chambers; and
a plurality of cells disposed in the accommodating chambers, wherein each cell of the plurality of cells has a first end portion and a second end portion opposite the first end portion along a length direction of the cell and at least one cell is arranged in each accommodating chamber to form a cell array,
a first side beam disposed on a first side of the accommodating space; and
a second side beam disposed on a second side of the accommodating space opposite the first side beam;
wherein each of the cells of the plurality of cells is disposed in one of the accommodating chambers with one of the first and second end portions of the cell supported by one of the side beams and the other of the first and second end portions of the cell supported by the middle cross beam.