US 11,955,651 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, Guangdong (CN)
Appl. No. 17/421,875
Filed by BYD COMPANY LIMITED, Guangdong (CN)
PCT Filed Jun. 21, 2019, PCT No. PCT/CN2019/092390
§ 371(c)(1), (2) Date Jul. 9, 2021,
PCT Pub. No. WO2020/143174, 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 2022/0118840 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)] 20 Claims
OG exemplary drawing
 
1. A power battery pack, configured to provide power for an electric vehicle and comprising:
a pack body;
a plurality of cells disposed in the pack body, each of the plurality of cells having a length L0, a width H0, and a thickness D0, wherein L0>H0≥D0, wherein;
when the power battery pack is placed on the electric vehicle, a length direction of each of the plurality of cells extends along a width direction or a length direction of the electric vehicle;
when the length direction of each of the plurality of cells extends along the width direction of the electric vehicle, the length L0 of each of the plurality of cells and a size W of a vehicle body of the electric vehicle in the width direction meet: 46%≤L0/W≤76%; or
when the length direction of each of the plurality of cells extends along the length direction of the electric vehicle, the length L0 of each of the plurality of cells and a size X of the vehicle body of the electric vehicle in the length direction meet: 40%≤L0/X≤76%.