# US 2013/0252104 A1 · Positive electrode for lithium ion secondary battery and lithium ion secondary battery including positive electrode > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2013/0252104 A1 - Document ID: US20130252104A1 - Status: Published application - Kind: A1 - Application number: 13/729,929 - Filed: 2012-12-28 - Published: 2013-09-26 - Earliest claimed: 2012-03-21 - Assignees: Samsung Corning Precision Materials Co., Ltd. - Applicants: Samsung Corning Precision Materials Co., Ltd. - Inventors: Sung Nim JO; Hae In CHO; Se Won KIM; Shin Jung CHOI - Web page: https://patentgrep.com/patent/US20130252104A1 ## CPC - H01M 4/131: Electrodes based on mixed oxides or hydroxides, or on mixtures of oxides or hydroxides, e.g. LiCoOx - H01M 4/13: Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof - H01M 4/136: Electrodes based on inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy - H01M 4/485: of mixed oxides or hydroxides for inserting or intercalating light metals, e.g. LiTi2O4 or LiTi2OxFy (H01M4/505, H01M4/525 take precedence) - H01M 4/505: of mixed oxides or hydroxides containing manganese for inserting or intercalating light metals, e.g. LiMn2O4 or LiMn2OxFy - H01M 4/525: of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy - H01M 4/5815: {Sulfides} - H01M 4/5825: {Oxygenated metallic salts or polyanionic structures, e.g. borates, phosphates, silicates, olivines} - H01M 10/0525: Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries - H01M 50/46: Separators, membranes or diaphragms characterised by their combination with electrodes - Y02E 60/10: Energy storage using batteries - H01M: PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY - Y02E: REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION ## Abstract Provided is a positive electrode for a lithium ion secondary battery sequentially including a positive electrode collector, a positive electrode active material layer able to insert/extract lithium ions, and a lithium ion conductive layer. ## Claims ### Claim 1 A positive electrode for a lithium ion secondary battery sequentially comprising: a positive electrode collector; a positive electrode active material layer for intercalation, deintercalation, or intercalation and deintercalation of lithium ions; and a lithium ion conductive layer. ### Claim 2 (depends on 1) The positive electrode for a lithium ion secondary battery as claimed in claim 1, wherein the lithium ion conductive layer comprises one or more selected from the group consisting of sulfides, oxides, and phosphates. ### Claim 3 (depends on 2) The positive electrode for a lithium ion secondary battery as claimed in claim 2, wherein the sulfides comprises one or more selected from the group consisting of Li2S—P2S5—Li4SiO4, Li2S—Ga2S3—GeS2, and Li3.25—Ge0.25—P0.75S4. ### Claim 4 (depends on 2) The positive electrode for a lithium ion secondary battery as claimed in claim 2, wherein the oxides comprises one or more selected from the group consisting of (La, Li)TiO3, Li3BO2.5N0.5, and Li9SiAlO5. ### Claim 5 (depends on 2) The positive electrode for a lithium ion secondary battery as claimed in claim 2, wherein the phosphates comprises one or more selected from the group consisting of Li1+xAlxGe2-x(PO4)3, LiTixZr2(PO4)3, LiAlZr(PO4)3, Li1+xTi2-xAlxSiyGe2-x(PO4)3-y, and Li0.8La0.6Zr2(PO4)3. ### Claim 6 (depends on 1) The positive electrode for a lithium ion secondary battery as claimed in claim 1, wherein the lithium ion conductive layer is a polymer layer having a lithium salt solvated in poly(ethylene oxide) added therein. ### Claim 7 (depends on 1) The positive electrode for a lithium ion secondary battery as claimed in claim 1, wherein a thickness of the lithium ion conductive layer is in a range of 100 nm or more to 1 μm or less. ### Claim 8 (depends on 1) The positive electrode for a lithium ion secondary battery as claimed in claim 1, wherein the positive electrode active material layer comprises one or more selected from the group consisting of LiMn2O4, LiMxMn2-xO4 (where M is one or more selected from the group consisting of nickel (Ni), zirconium (Zr), cobalt (Co), magnesium (Mg), molybdenum (Mo), aluminum (Al), and silver (Ag), and 0