US 12,261,301 B2
Manufacturing method for electrode binder and electrode assembly comprising same electrode binder
Seong Keun Jang, Daejeon (KR); Woo Ha Kim, Daejeon (KR); Sang Hoon Choy, Daejeon (KR); In Seong Kim, Daejeon (KR); and Sung Pil Yoon, Daejeon (KR)
Assigned to LG ENERGY SOLUTION, LTD., Seoul (KR)
Appl. No. 17/600,492
Filed by LG ENERGY SOLUTION, LTD., Seoul (KR)
PCT Filed Jul. 3, 2020, PCT No. PCT/KR2020/008726
§ 371(c)(1), (2) Date Sep. 30, 2021,
PCT Pub. No. WO2021/010629, PCT Pub. Date Jan. 21, 2021.
Claims priority of application No. 10-2019-0085287 (KR), filed on Jul. 15, 2019.
Prior Publication US 2022/0173402 A1, Jun. 2, 2022
Int. Cl. H01M 4/60 (2006.01); H01B 1/20 (2006.01); H01M 4/62 (2006.01); H01M 4/02 (2006.01)
CPC H01M 4/623 (2013.01) [H01B 1/20 (2013.01); H01M 2004/021 (2013.01)] 14 Claims
OG exemplary drawing
 
1. A method for manufacturing an electrode binder, comprising: dissolving granulated polyvinylidene fluoride (PVDF) in a solvent,
wherein the granulated polyvinylidene fluoride (PVDF) is in a form of granulated powdery particles,
an average diameter of the granulated powdery particles is in a range between 2 and 3 mm, and
the solvent comprises N-methyl-2-pyrrolidone (NMP)
a content of the granulated polyvinylidene fluoride (PVDF) dissolved in a solvent is in a range between 20 and 25% (w/w) with respect to a total weight of the solvent including the granulated polyvinylidene fluoride (PVDF).