Lg Chem, Ltd

Lg Energy Solution, Ltd.

Byunggook Lyu

Seokhyun Yoon

Hosub Lee

Donghoon Suh

Dongjun Lee

Jongmin Roh

Hoyoung Kwak

A preparation method according to the present invention includes use of an amine-based coupling agent to prepare plate-type manganese dioxide nanoparticles. The plate-type manganese dioxide nanoparticles thus prepared can be suitably mixed with a carbon-based conductive material and are thus useful a positive electrode material for pseudo-capacitors.

Method for preparation of plate-type manganese dioxide nanoparticles

The present invention relates to a metal oxide coated with a conductive polymer, including: a metal oxide; and a coating layer which is formed on the surface of the metal oxide and includes a conductive polymer, wherein the conductive polymer is a polymer of protonated monomers.

Metal oxide coated with conductive polymer, electrode for electrochemical device comprising the same, and method of producing the metal oxide

The preparation method according to the present disclosure is to easily prepare hexagonal molybdenum oxide (h-MoO) having a nanorod shape even in a low temperature precipitation reaction at atmospheric pressure without applying hydrothermal synthesis under high temperature and high pressure conditions. The hexagonal molybdenum oxide (h-MoO) nanorods prepared therefrom can be properly mixed with carbon-based conductive materials such as carbon nanofiber, and thus can be usefully used as an anode material for a pseudocapacitor.

Preparation method of hexagonal molybdenum oxide nanorod

The present invention relates to a method for preparing a lithium manganese oxide-based material useful in applications such as for pseudocapacitors and lithium ions batteries. More specifically, by synthesizing manganese oxide nanoparticles and mixing them with lithium salts, and conducting stepwise heat treatment processes under optimized conditions, a lithium manganese oxide-based material with excellent specific capacitance, having a high surface area with a small size, can be prepared.

Method for producing lithium manganese oxide-based cathode active material

An anode material including a metal oxide-conductive inorganic material complex including a metal oxide and a conductive inorganic material bound to the metal oxide, wherein the complex is doped with one or more doping elements selected from the group consisting of transition metals and amphoteric metal elements, and a preparation method thereof, are provided.

Pseudocapacitor anode material and method for preparing the same

The present invention relates to an aqueous electrolyte capable of improving low temperature performance. More specifically, the present invention provides an aqueous electrolyte that is an aqueous solution including lithium trifluoromethanesulfonate at a predetermined concentration range without separate additives, and thus can prevent freezing and realize high performance even at a very low temperature of about &#x2212;30&#xb0; C. or less, and an energy storage device including the same.

Aqueous electrolyte and energy storage device comprising the same

The present invention relates to a method and a system to measure the specific surface area of a conductive material through electrochemical impedance spectroscopy.

Measurement method for specific surface area of conductive material

A method of preparing an anode active material for a pseudocapacitor is provided. According to the present invention, a method of preparing an anode active material for a pseudocapacitor, which enables expression of high specific capacitance and excellent output characteristics, is provided.

Process for preparing anode active material for pseudocapacitor

The present disclosure provides a method of preparing an anode active material having high specific capacitance in a simple and inexpensive process without applying high temperature and high pressure conditions by synthesizing urchin-shaped goethite iron oxide (alpha-FeOOH) using an aqueous solution containing thiosulfate ions and sulfate ions, followed by heat treatment to synthesize hematite iron oxide (alpha-FeO) having a nano-sized urchin-like structure, in order to provide an anode for a pseudocapacitor that is excellent in specific capacitance.

Growing community of inventors

Daejeon, South Korea

Byunggook Lyu