Hyundai Motor Company

Kia Motors Corporation

Kia Corporation

University of Seoul Industry Cooperation Foundation

Korea Institute of Science and Technology

Seoul National University

Korea Institute of Energy Research

Inha-industry Partnership Institute

Ho Taek Lee

Yong Jun Jang

Ju Young Sung

Sam Ick Son

Kyoung Han Ryu

Jae Min Lim

Jun Ki Rhee

Yong Min Kim

Yun Seok Kim

Dong Hui Kim

Eun Ji Kwon

Ji Na Kim

Hong Chul Moon

Jae Seung Lee

Jong Ho Lee

Yong Woo Lee

Young Min Kim

Yoon Sung Lee

Heon Jung

Jin Soo Kim

Byung Ju Lee

Min Kyu Lee

Dong Hyun Chun

Won Keun Kim

Ji Chan Park

Jung Il Yang

Hyoung Chul Kim

Hun Gi Jung

Yong Sung Lee

Sung Jun Hong

Jong Chan Song

Ki Suk Kang

Jin Yong Shim

Soo Young Cho

Jong Yong Nam

Young Min Ko

Hong Chui Moon

In Seong Park

Tae Yub Kim

Yongsug Tak

Sung-Hyeon Baeck

Jinsub Choi

Charger for an electric vehicle

A polymer electrolyte includes an ionic liquid and a polymer matrix including a copolymer having a first repeating unit represented by Chemical Formula 1 and a second repeating unit represented by Chemical Formula 2 below:

Polymer electrolyte and method of preparing 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 polymer electrolyte includes a polymer matrix including a polymer having a repeating unit represented by the formula and an ionic liquid. Rto Rare each one of a substituted or unsubstituted C-Calkyl group, a substituted or unsubstituted aryl group, a substituted or unsubstituted heteroaryl group, or combinations thereof. Each Ris one of hydrogen, a halogen group, a nitrile group, a nitro group, an amine group, a substituted or unsubstituted C-Calkyl group, a substituted or unsubstituted C-Calkoxy group, a substituted or unsubstituted aryl group, a substituted or unsubstituted C-Cheteroaryl group, or combinations thereof. Substituents of Rto Rare each one of a halogen group, a cyano group, a nitro group, a C-Calkyl group, or combinations thereof, x is an integer of 1 to 8, and n is an integer of 60 to 3200.

The present disclosure relates to an ion gel having superior ion conductivity and mechanical strength, a polymer electrolyte including the same, and a manufacturing method thereof. The method of manufacturing the ion gel is capable of simply and effectively manufacturing a polymer matrix through a one-pot reaction, thus exhibiting simple processing steps to thereby manifest excellent processing efficiency and generate economic benefits. Moreover, the polymer electrolyte including the ion gel can exhibit superior ion conductivity and mechanical strength despite the low glass transition temperature (Tg) of the monomer contained in the polymer matrix.

Polymer electrolyte having superior ion conductivity and mechanical strength and method of manufacturing same

Disclosed are an electrolyte membrane for a lithium air battery having good durability, a method of manufacturing the same, and a lithium air battery including the same. The electrolyte membrane for a lithium air battery may include a reinforced membrane and an electrolyte solution and is thus nonvolatile and capable of ensuring sufficient physical strength.

Electrolyte membrane for lithium air battery having good durability, method of manufacturing same and lithium air battery including same

The present disclosure relates to garnet powder, a manufacturing method thereof, a solid electrolyte sheet using a hot press, and a manufacturing method thereof. In particular, the present disclosure provides a method for manufacturing LiLaZrO(LLZ) garnet powder including preparing a mixture by first dry mixing LiCO, LaO, ZrO, and AlO. The mixture is first calcinated for 5 to 7 hours in a temperature range of 800 to 1000&#xb0; C. The calcinated mixture is ground to a powder with an average particle size of 1 to 4 &#x3bc;m through dry grinding. A cubic-phased LLZ garnet powder is prepared by second calcinating the ground mixture for 10 to 30 hours in a temperature range of 1100 to 1300&#xb0; C.

Garnet powder, manufacturing method thereof, solid electrolyte sheet using hot press and manufacturing method thereof

The present invention relates to a method for producing liquid or solid hydrocarbons from a synthesis gas via Fischer-Tropsch synthesis which does not carry out a separate reduction pre-treatment for catalyst activation. The method for producing liquid or solid hydrocarbons from a synthesis gas using Fischer-Tropsch synthesis according to the present invention comprises: a first step of applying an iron-based catalyst for the Fischer-Tropsch synthesis in which the number of iron atoms in the ferrihydrite phase fraction equals 10 to 100% and the number of iron atoms in the hematite phase fraction equals 0 to 90%, with respect to 100% of the number of the number of iron atoms, to a Fischer-Tropsch synthesis reactor; and a second step of activating the catalyst for the Fischer-Tropsch synthesis by a synthesis gas which is a reactant under the conditions of the Fischer-Tropsch synthesis and carrying out the Fischer-Tropsch synthesis by means of the activated catalyst for the Fischer-Tropsch synthesis. As such, the present invention is capable of efficiently producing liquid or solid hydrocarbons from a synthesis gas via Fischer-Tropsch synthesis, even without a separate reduction pre-treatment.

Method of manufacturing iron-base catalysts and methods of manufacturing hydrocarbons using iron-base catalysts made by the method

A lithium air battery may include an electrolyte with a donor number of 10 to 40; and a quinone-based liquid catalyst which added to the electrolyte to induce a discharge in the solution.

Lithium air battery including quinone-based liquid catalyst inducing discharge in solution

Disclosed is a lithium ion-conductive sulfide-based solid electrolyte which includes nickel sulfide and, accordingly, the solid electrolyte can obtain a novel structure and performance. More particularly, the sulfide-based solid electrolyte includes lithium sulfide (LiS), diphosphorus pentasulfide (PS), and nickel sulfide (NiS) in a specific ratio by mol % and exhibits a novel crystal structure due to nickel (Ni). Accordingly, the sulfide-based solid electrolyte has greater lithium ion conductivity than an conventional sulfide-based solid electrolyte and a stable crystal structure.

Lithium ion-conductive sulfide-based solid electrolyte comprising nickel sulfide and all-solid state battery using the same

A method of manufacturing a sulfide-based solid electrolyte through a wet process is provided. The method includes preparing a slurry by adding a solvent to a mixture including lithium sulfide and a sulfide of a group 14 or group 15 element and amorphizing the mixture by milling the slurry. The slurry is dried in order to remove the solvent. The dried mixture is crystallized by heat-treating to form the sulfide-based solid electrolyte.

Method of manufacturing sulfide-based solid electrolyte through wet process

Provided herein is an anode for a lithium air battery with a long lifetime and high lithium ion conductivity and a method for preparing thereof. The anode includes a lithium metal and a protective layer disposed on one surface of the lithium metal, in which the protective layer includes an inorganic material-based solid electrolyte powder dispersed in a polymer matrix.

Anode for lithium air battery and preparation method thereof

The present invention provides a lithium-air hybrid battery and a method for manufacturing the same, which has a structure in which a liquid electrolyte electrode and a solid electrolyte electrode are stacked on both sides of an ion conductive glass ceramic. That is, disclosed is a lithium-air hybrid battery and a method for manufacturing the same, which has a structure in which a lithium metal negative electrode includes a liquid electrolyte and a porous air positive electrode comprising a carbon, a catalyst, a binder and a solid electrolyte are separately stacked on both sides of an impermeable ion conductive glass ceramic, and the liquid electrolyte is present only in the lithium metal negative electrode.

Li-air hybrid battery and method for manufacturing the same

Growing community of inventors

Seoul, South Korea

Ho Taek Lee