US 11,056,725 B2
Electrode and lithium secondary battery comprising same
Byoungkuk Son, Daejeon (KR); Minehul Jang, Daejeon (KR); Eunkyung Park, Daejeon (KR); and Junghun Choi, Daejeon (KR)
Assigned to LG CHEM, LTD., Seoul (KR)
Appl. No. 16/329,076
Filed by LG CHEM, LTD., Seoul (KR)
PCT Filed Nov. 8, 2017, PCT No. PCT/KR2017/012565
§ 371(c)(1), (2) Date Feb. 27, 2019,
PCT Pub. No. WO2018/093088, PCT Pub. Date May 24, 2018.
Claims priority of application No. 10-2016-0155234 (KR), filed on Nov. 21, 2016; and application No. 10-2017-0142400 (KR), filed on Oct. 30, 2017.
Prior Publication US 2019/0229380 A1, Jul. 25, 2019
Int. Cl. H01M 10/42 (2006.01); H01M 4/36 (2006.01); H01M 4/62 (2006.01); H01M 4/131 (2010.01); H01M 4/46 (2006.01); H01M 4/38 (2006.01); H01M 12/08 (2006.01); H01M 4/485 (2010.01); H01M 10/052 (2010.01); H01M 4/583 (2010.01); H01M 4/133 (2010.01); H01M 4/134 (2010.01); H01M 10/0525 (2010.01); H01M 10/0569 (2010.01); H01M 4/02 (2006.01)
CPC H01M 10/4235 (2013.01) [H01M 4/131 (2013.01); H01M 4/133 (2013.01); H01M 4/134 (2013.01); H01M 4/366 (2013.01); H01M 4/386 (2013.01); H01M 4/387 (2013.01); H01M 4/463 (2013.01); H01M 4/485 (2013.01); H01M 4/583 (2013.01); H01M 4/628 (2013.01); H01M 10/052 (2013.01); H01M 10/0525 (2013.01); H01M 10/0569 (2013.01); H01M 12/08 (2013.01); H01M 2004/027 (2013.01); H01M 2004/028 (2013.01); H01M 2220/10 (2013.01); H01M 2220/20 (2013.01); H01M 2220/30 (2013.01); Y02E 60/10 (2013.01)] 15 Claims
OG exemplary drawing
 
1. An electrode for a lithium secondary battery, comprising:
an electrode layer;
a pre-lithiation prevention layer formed on the electrode layer; and
a lithium layer formed on the pre-lithiation prevention layer,
wherein the electrode layer, pre-lithiation prevention layer, and lithium layer are sequentially stacked, and
wherein the pre-lithiation prevention layer includes at least one selected from the group consisting of polyethylene oxide, polypropylene oxide, polydimethylsiloxane, polyacrylonitrile, polymethylmethacrylate, polyvinyl chloride, polyvinylidene fluoride, polyvinylidene fluoride-co-hexafluoropropylene, polyethylene imine, polyphenylene terephthalamide, polymethoxy polyethylene glycol methacrylate, and poly 2-methoxyethyl glycidyl ether.