Hyundai Motor Company

Kia Motors Corporation

Kia Corporation

Industry-University Cooperation Foundation Hanyang University

Samsung Electronics Co., Ltd.

Korea Institute of Science and Technology

Korea Electronics Technology Institute

Jae Min Lim

Yong Jun Jang

Young Jin Nam

Sang Heon Lee

Hong Seok Min

Yong Seok Choi

Sa Heum Kim

Ju Young Sung

Yong Sub Yoon

Sang Wan Kim

Ho Taek Lee

Yun Sung Kim

Ju Yeong Seong

Sang Mo Kim

Seong Wook Jeong

Dae Yang Oh

Yoon Seok Jung

Young Jin Baek

Jang Beom Yang

Sun Il Jin

Hong Suk Choi

Sung Ho Cho

Sang Shin Lee

Sun Choi

So Young Kim

Chang Ho Son

Hyun Ki Kim

Jin Soo Kim

In Woo Song

Yong Kim

Sung Hoo Jung

Hyoung Chul Kim

Hun Gi Jung

Jung Won Park

Eu Deum Jung

Sung Man Cho

Seong Hyeon Choi

Soon Chul Byun

Seong Chan Gim

Min Ho Kim

Kyung Su Kim

Pil Gun Oh

Woo Suk Cho

Sung Jun Choi

Eun Su Lee

Chang Hern Lee

Goo Jin Jeong

Tae Young Kwon

Hoon Seok

Kyu Tae Kim

Bin Na Yoon

Jae Yu Seo

Ki Yeon Kim

Suk Bok Lee

Young Ho Jang

Hyun Woo You

Seong Uk Pyung

Hyeng Kyun Kim

Ji Sang Yu

Myoung Kyou Lee

Seong Oh Kwak

Seon Hwa Kim

A method of manufacturing a composite electrode for an all-solid-state battery includes: preparing a precursor solution by mixing at least one solid electrolyte precursor and at least one polar solvent; stirring the precursor solution; preparing an electrode slurry by adding an active material to the stirred precursor solution; and heat-treating the electrode slurry and obtaining the composite electrode for the all-solid-state battery, wherein the composite electrode for the all-solid-state battery includes: the active material; and a coating layer disposed on the active material and including a solid electrolyte.

Method of manufacturing composite electrode for all-solid-state battery, and composite electrode for all-solid-state battery manufactured thereby

Disclosed are an all-solid-state battery that may have uniform deposition of lithium and have excellent durability, and a method of manufacturing the same.

All-solid-state battery with improved durability and method of manufacturing the same

An all solid state battery includes a cathode active material layer disposed in contact with a predetermined area of a cathode current collector, a solid electrolyte layer disposed on the cathode active material layer, and including a central part disposed on the cathode active material layer based on a stack direction of the all solid state battery, and a peripheral part extending from the central part and contacting the cathode current collector while surrounding side surfaces of the cathode active material layer, an anode layer disposed on the solid electrolyte layer and having an area greater than an area of the cathode active material layer but less than an area of the solid electrolyte layer, and a spacer disposed on the solid electrolyte layer and in contact with side surfaces of the anode layer.

All solid state battery with improved durability and method for manufacturing the same

The present disclosure relates to an all-solid-state battery with improved lifetime and an operating method thereof. Specifically, the all-solid-state battery includes a laminate including a unit cell provided with an anode, a cathode, and a solid electrolyte layer interposed between the anode and the cathode, and an expansion layer positioned on at least one surface of the laminate, and expanded by at least any one change in voltage and temperature.

All-solid-state battery with improved lifetime by applying expansion layer and operating method thereof

A method of manufacturing an all-solid-state battery electrode, an all-solid-state battery electrode manufactured by the method, and an all-solid-state battery including the electrode are disclosed. In the method, a specific type of binder included in the electrode is prepared in a fiber form by applying pressure to the binder under specific conditions, so that the fiber-form binder thus prepared has an average fineness that satisfies a specific range. Therefore, the all-solid-state battery including the electrode has an advantage of having high capacity even in the case of electrode thickening for high loading.

Method of manufacturing an all-solid-state battery electrode and an all-solid-state battery electrode manufactured thereby

The present disclosure relates to a binder solution having lithium ion conductivity for an all-solid-state battery and an electrode slurry including the same. Specifically, the binder solution includes a first binder having high binding force, a second binder having higher lithium ion conductivity than that of the first binder, a lithium salt, and an organic solvent that dissolves the lithium salt.

Binder solution having lithium ion conductivity for all-solid-state battery and electrode slurry comprising same

An all-solid-state battery includes: an anode current collector; a lithium storage layer including a first layer located at an electrolyte-layer side and a second layer located at an anode current collector side, having a higher porosity than the first layer, and including an interface portion and a core portion, which is a remaining portion other than the interface portion; an electrolyte layer; and a cathode layer, wherein the anode current collector, the lithium storage layer, the electrolyte layer, and the cathode layer are sequentially laminated, and the interface portion is in contact with the first layer and has a higher binder content per unit volume than the core portion.

All-solid-state battery comprising lithium storage layer having multilayer structure and method of manufacturing same

A sulfide-based solid electrolyte contains a nickel (Ni) element and a halogen element. For example, a sulfide-based solid electrolyte can include, with respect to 100 parts by mole of a mixture of lithium sulfide (LiS) and diphosphorus pentasulfide (PS), 5 parts by mole to 20 parts by mole of nickel sulfide (NiS), and 5 parts by mole to 40 parts by mole of lithium halide.

Sulfide-based solid electrolyte and preparation method thereof

A composite negative electrode for an all-solid-state battery is provided. The composite negative electrode includes a negative electrode current collector, and a negative electrode active material layer formed on the negative electrode current collector, wherein the negative electrode active material layer includes unit cells arranged with a gap therebetween, and wherein the unit cells include a solid electrolyte and a carbon material dispersed in the solid electrolyte.

Composite negative electrode for all-solid-state battery

The present disclosure relates to a binder solution for all-solid-state batteries. The binder solution includes a polymer binder, a first solvent, and an ion-conductive additive, wherein the ion-conductive additive includes lithium salt and a second solvent, which is different from the first solvent.

Binder solution for all-solid-state batteries, electrode slurry including the binder solution, and method of manufacturing all-solid-state battery using the electrode slurry

A method for preparing a solid electrolyte for an all-solid state battery, may include obtaining a slurry by dispersing a first raw material comprising lithium sulfide; and a second raw material selected from the group consisting of silicon sulfide, phosphorus sulfide, germanium sulfide, boron sulfide, and a combination thereof in a solvent; and drying the slurry.

Method for preparing solid electrolyte and all solid state battery including the same

Disclosed are an all-solid-state battery having high energy density and a method for manufacturing the same. One battery structure is pressed instead of pressing each cell unit, an amount of first or second electrode current collectors consumed is reduced, and insulating members are used, thereby simplifying a manufacturing process of the all-solid-state battery and allowing the all-solid-state battery to have high energy density and a stable structure.

High energy density all-solid-state battery and method for manufacturing the same

A method of manufacturing an all-solid-state battery includes preparing a solid electrolyte layer, providing lithium metal to the solid electrolyte layer to prepare a stack, and radiating ultrasonic waves or sound waves to the stack. The method provides an all-solid-state battery with a stable interface between an anode formed of lithium metal and a solid electrolyte layer.

Method of manufacturing all-solid-state battery with stable interface of lithium anode

Growing community of inventors

Suwon-Si, South Korea

Jae Min Lim