US 12,451,535 B2
Can for secondary battery and secondary battery
Yoon Woo Park, Daejeon (KR); Eui Hoon Myung, Daejeon (KR); and Sang Ho Park, Daejeon (KR)
Assigned to LG Energy Solution, Ltd., Seoul (KR)
Appl. No. 17/798,445
Filed by LG Energy Solution, Ltd., Seoul (KR)
PCT Filed Mar. 8, 2021, PCT No. PCT/KR2021/002846
§ 371(c)(1), (2) Date Aug. 9, 2022,
PCT Pub. No. WO2021/182823, PCT Pub. Date Sep. 16, 2021.
Claims priority of application No. 10-2020-0030912 (KR), filed on Mar. 12, 2020.
Prior Publication US 2023/0066959 A1, Mar. 2, 2023
Int. Cl. H01M 10/613 (2014.01); H01M 10/64 (2014.01); H01M 10/6552 (2014.01); H01M 50/148 (2021.01); H01M 50/531 (2021.01)
CPC H01M 10/613 (2015.04) [H01M 10/64 (2015.04); H01M 10/6552 (2015.04); H01M 50/148 (2021.01); H01M 50/531 (2021.01)] 17 Claims
OG exemplary drawing
 
1. A can for a secondary battery, comprising:
a can body including an electrode assembly accommodation part to accommodate an electrode assembly, the can body including an opening on a first side thereof; and
a cover to cover the first side of the can body to seal the opening, the covering including a through-hole, an electrode lead of the electrode assembly extending through the through-hole,
wherein the can body comprises a body heat pipe that transfers heat,
wherein the body heat pipe comprises:
an inner wall adjacent the electrode assembly accommodation part;
an outer wall spaced a predetermined distance from the inner wall;
a partition block disposed between the inner wall and the outer wall to partition a space between the inner wall and the outer wall to form a plurality of body partition spaces; and
a volatile heat medium accommodated in the body partition spaces.