Lg Energy Solution, Ltd.

Lg Chem, Ltd

Korea Advanced Institute of Science and Technology

Byoung Hyo Jung

Min Chul Jang

Doo Kyung Yang

In Sung Uhm

Suk Il Youn

Il Hong Kim

Yo Han Kwon

Sung Chul Lim

Ki Young Kwon

Charles Kiseok Song

Yeon Suk Hong

Jung Hun Choi

Chong Ook Park

Seong Eun Park

The present technology relates to a method of manufacturing a negative electrode, and the method includes: manufacturing a negative electrode having a negative electrode active material layer formed thereon by coating a negative electrode slurry including a negative electrode active material at least on one surface of a current collector; pre-lithiating the negative electrode; and forming an inorganic coating layer on a surface of the negative electrode active material layer by aging the pre-lithiated negative electrode under an COatmosphere.

Method of manufacturing negative electrode having inorganic coating layer formed thereon

A positive electrode active material includes a lithium transition metal oxide having a spinel crystal structure, and a coating layer positioned on the surface of the lithium transition metal oxide, wherein the coating layer has an orthorhombic structure, and includes an oxide represented by Formula 1. A method for producing the positive electrode active material, a positive electrode including the positive electrode active material, and a lithium secondary battery, the positive electrode active material.

Positive electrode active material for lithium secondary battery and method for producing the same

The present invention relates to an electrode for a lithium secondary battery, a method for preparing the same, an electrode assembly for a lithium secondary battery comprising the same, and a lithium secondary battery comprising the same, wherein the electrode comprises an electrode active material, an aqueous binder, a compound represented by Formula 1, and a compound represented by Formula 2. Formula 1 and Formula 2 are the same as set forth in the specification. The electrode for a lithium secondary battery improves the physical properties of the aqueous binder in a manner whereby a cross-linking reaction material is combined with the aqueous binder, so that the electrode can improve initial charge/discharge efficiency and the life span of a lithium secondary battery, preferably a lithium sulfur battery, and improve the area capacity of the electrode.

Electrode for lithium secondary battery, method for preparing same, electrode assembly for lithium secondary battery comprising same, and lithium secondary battery comprising same

Provided is a hydrogen measurement sensor capable of monitoring a content of hydrogen within molten metal in real-time using an aluminum or magnesium alloy casting method, and, more particularly, a hydrogen measurement sensor having a junction structure of a solid oxygen ion conductor and a solid hydrogen ion conductor in molten metal capable of measuring a content of hydrogen within aluminum-magnesium alloy-molten metal using a new method which generates a fixed concentration of oxygen gas from a solid reference material at a high temperature by replacing a reference material of a standard gas method which is difficult to handle with a solid reference material or external air which is easy to handle or has the same effect as that of the gas reference material by using a feature in which the external air contains a predetermined pressure (0.21 atm) of oxygen.

Hydrogen measurement sensor having junction structure of solid oxygen ion conductor and solid hydrogen ion conductor in molten metal

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Daejeon, South Korea

Byoung Hyo Jung