Publication number: 20200127321
Abstract: A lithium secondary battery including a cathode; an anode; and an electrolyte between the cathode and the anode, wherein the electrolyte includes a lithium salt; a non-aqueous solvent; and an isocyanate compound, and the cathode includes a cathode active material represented by Formula 1, below, LixNiyM1-yO2-zAz??<Formula 1> wherein, in Formula 1, x, y, and z satisfy the following relations: 0.9?x?1.2, 0.6<y?0.98, and 0?z<0.2, M is Al, Mg, Mn, Co, Fe, Cr, V, Ti, Cu, B, Ca, Zn, Zr, Nb, Mo, Sr, Sb, W, or Bi, and A is an element having an oxidation number of ?1 or ?2.
Type:
Application
Filed:
September 30, 2019
Publication date:
April 23, 2020
Inventors:
Soojin KIM, Pavel SHATUNOV, Huijung PARK, Junyong LEE, Taesik KIM
Publication number: 20190284701
Abstract: A pre-treatment composition for use before etching SiGe includes an acid, an alcohol, and a silane compound having a chemical formula R—Si(R1)n(OR2)3-n in which R is (C3-C20)alkyl, (C6-C12)aryl, (C6-C12)aryl(C3-C20)alkyl, or (C3-C20)alkyl(C6-C12)aryl, R1 is hydrogen, hydroxyl, halogen, (C1-C20)alkyl, halo(C1-C20)alkyl, (C6-C12)aryl, (C6-C12)aryl(C1-C20)alkyl, or (C1-C20)alkyl(C6-C12)aryl, R2 is hydrogen, (C1-C20)alkyl, halo(C1-C20)alkyl, (C6-C12)aryl, (C6-C12)aryl(C1-C20)alkyl, or (C1-C20)alkyl(C6-C12)aryl, n is an integer of 0 to 2, and the alkyl, aryl, arylalkyl, or alkylaryl of R, and the alkyl, haloalkyl, aryl, arylalkyl, or alkylaryl of R1 may be further substituted with at least one substituent selected from halogen, hydroxyl, —N(R11)(R12), and —S(R13), where each of the R11, the R12 and the R13 is independently hydrogen or (C1-C20)alkyl.
Type:
Application
Filed:
September 24, 2018
Publication date:
September 19, 2019
Applicant:
ENF TECHNOLOGY CO., LTD
Inventors:
Soojin KIM, Hyo-Sun LEE, Jung-Min OH, Hyosan LEE, Donghyun KIM, Haksoo KIM, Jung Jae OH, Myung Ho LEE