US 12,244,035 B2
Battery assembly
Ji San Kim, Daejeon (KR); Yun Kyung Min, Daejeon (KR); Seo Roh Rhee, Daejeon (KR); and Jong Chan Lee, Daejeon (KR)
Assigned to SK ON CO., LTD., Seoul (KR)
Filed by SK ON CO., LTD., Seoul (KR)
Filed on Apr. 24, 2024, as Appl. No. 18/645,002.
Claims priority of application No. 10-2023-0055132 (KR), filed on Apr. 27, 2023; and application No. 10-2024-0044613 (KR), filed on Apr. 2, 2024.
Prior Publication US 2024/0363952 A1, Oct. 31, 2024
Int. Cl. H01M 50/293 (2021.01); H01M 10/653 (2014.01); H01M 50/211 (2021.01); H01M 50/242 (2021.01)
CPC H01M 50/293 (2021.01) [H01M 10/653 (2015.04); H01M 50/211 (2021.01); H01M 50/242 (2021.01)] 20 Claims
OG exemplary drawing
 
1. A battery assembly comprising:
a battery housing including at least one housing plate;
a battery cell assembly located in the battery housing and structured to include a plurality of battery cells electrically connected to each other; and
a heat dissipation resin layer placed between the at least one housing plate and the battery cell assembly,
wherein the heat dissipation resin layer has an adhesive shear strength of at least 0.2 MPa as measured in accordance with ASTM D1002 and satisfies the following Equation 1:

OG Complex Work Unit Math
wherein A is a softness index of the heat dissipation resin layer, E is a modulus of elasticity at a tensile speed of 5 mm/min in accordance with ASTM D638-14, Type 4, and L is an elongation at a tensile speed of 5 mm/min in accordance with ASTM D638-14, Type 4, and
wherein the elongation of the heat dissipation resin layer is in a range from 50% to 450% as measured in accordance with ASTM D638-14.