Inventor

PARK HONG-KYU

KR140 patents

⚠️ This page may combine multiple inventors who share the name “PARK HONG-KYU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

PARK HONG-KYU

LG CHEMICAL LTD

Ni-based lithium transition metal oxide

Electrode active material powder with size dependent composition and method to prepare the same

Complex lithium metal oxides with enhanced cycle life and safety and a process for preparation thereof

Powdered lithium transition metal oxide having doped interface layer and outer layer and method for preparation of the same

Process of making cathode material containing Ni-based lithium transition metal oxide

Cathode active material for lithium secondary battery

Stoichiometric lithium cobalt oxide and method for preparation of the same

Method for preparing lithium manganese spinel complex oxide having improved electrochemical performance

Method of preparing inorganic particles and inorganic particles prepared using the same

Lithium secondary battery with improved cell characteristics

Battery system containing phase change material-containing capsules in interior configuration thereof

Electrode active material powder with size dependent composition and method to prepare the same

Composite precursor for aluminum-containing lithium transition metal oxide and process for preparation of the same

Cathode active material for lithium-sulfur battery and manufacturing method therefor

Carbon-coated lithium iron phosphate of olivine crystal structure and lithium secondary battery using the same

Lithium iron phosphate containing sulfur compound based upon sulfide bond and lithium secondary battery using the same

Method for preparing lithium manganese spinel oxide having improved electrochemical performance

Positive electrode active material for lithium secondary battery comprising lithium metal oxides having multilayered structure and positive electrode comprising the same

Precursor for the production of positive electrode active material comprising metal oxides having multilayered structure and positive electrode active material for lithium secondary battery produced using the same

Apparatus for preparing inorganic compound and method of preparing inorganic compound using the same

Hydrothermal synthesis device and method of preparing cathode active material using the same

Non-aqueous electrolyte additive for improving safety and lithium ion secondary battery comprising the same

Positive electrode active material for lithium secondary battery, method for preparing the same and lithium secondary battery including the same

Material for lithium secondary battery of high performance

LG ELECTRONICS INC

Bluetooth headset

Cellular phone

Mobile phone

Mobile phone

Mobile phone

Cellular phone

Mobile phone

Cellular phone

Cellular phone

Hinge unit and mobile terminal having the same

Cellular phone

CHANG SUNG KYUN

Cathode active material for lithium secondary battery

Cathode based upon two kinds of compounds and lithium secondary battery comprising the same

Additive for electrochemical element to improve safety

PARK HONG-KYU

Method of preparing material for lithium secondary battery of high performance

Material for lithium secondary battery of high performance

Material for lithium secondary battery of high performance

SHIN HO SUK

Precursor for the preparation of a lithium composite transition metal oxide

Precursor for preparation of lithium transition metal oxide

KOREA ADVANCED INST SCI & TECH

Process for preparing crystalline titania powders from a solution of titanium salt in a mixed solvent of water and alcohol

CHOY SANG HOON

Cathode active material for secondary battery and lithium secondary battery including the same

CHOI SEUNGDON

Battery system containing phase change material-containing capsules in interior configuration thereof

KIM SUN-KYU

Lithium secondary battery and method for producing the same

KAKAO CORP

Message service provision method for providing message service via open chat room corresponding to link information, and message server and terminal for executing same

KIM SUN KYU

Lithium manganese secondary battery

LG ENERGY SOLUTION LTD

Positive electrode active material for lithium secondary battery, method for preparing the same and lithium secondary battery including the same