Samsung Sdi Co., Inc.

Kolon Industries, Inc.

Korea Institute of Industrial Technology

Sang-Il Han

Kah-Young Song

Woo-Cheol Shin

Hee-Tak Kim

Myoung-Ki Min

Sung-Yong Cho

Tae-Yoon Kim

Geun-Seok Chai

Tae-Hyun Bae

Jung-Yi Yu

Myung-Hwan Jeong

Moon-Sung Kim

Mi-Hyun Lee

Pavel Shatunov

Duck-Hyun Kim

Alexey Tereshchenko

Denis Chernyshov

E-Rang Cho

Sang-Hoon Kim

Jin-Hwa Lee

Eon-Mi Lee

Makhmut Khasanov

Vladimir Egorov

In-Haeng Cho

Ha-Rim Lee

Seung-Tae Lee

Dong-Myung Choi

In-Hyuk Son

Byung-Joo Chung

Jung-Hyun Nam

Sang-Geun Kim

In-hyuk Son

Chan-Gyun Shin

Ho-Jin Kweon

Seong-Jin An

Young-Mi Park

Chi-Seung Lee

Myung-Hoon Kim

Sung-Guk An

Jeong-Hye Lee

Chang-Bong Lee

Min-Ju Lee

Chan Kwak

Ki-Young Kim

Boris Aleksandrovich Trofimov

Si-Hyun Lee

Soon-Cheol Shin

Min-Kyu Song

Ho-Seok Yang

You-Mee Kim

Bong-Chull Kim

Min-Young Lee

Young-Hwan Park

Young Sam Park

Nina K Gusarova

Kie Hyun Nam

Byung-Hwa Kim

Guk-Hwan An

Dae-Young Lim

Jung-Nam Im

Pavel Alexandrovich Shatunov

Alexey Tereshenko

An electrolyte for a rechargeable lithium battery includes a lithium salt, an organic solvent, and an additive. The organic solvent includes a sulfur-containing compound represented by Chemical Formula 1 and a fluoroalkyl ether, and the additive includes a phosphazene compound represented by Chemical Formula 3. A rechargeable lithium battery including the electrolyte may have improved cycle-life characteristics and safety. 

Electrolyte for rechargeable lithium battery and rechargeable lithium battery including same

A membrane-electrode assembly for a fuel cell, the membrane-electrode assembly including an electrolyte membrane; an edge protective layer located at generally an edge of the electrolyte membrane; and a catalytic layer including a plate portion contacting the electrolyte membrane and a protruding portion protruding from the plate portion and contacting the edge protective layer.

Membrane-electrode assembly with a protective layer, and fuel cell stack and fabricating method of membrane-electrode assembly

In an aspect, a rechargeable lithium battery that includes a positive electrode including a composite positive active material; a negative electrode including a carbon-based negative active material; an electrolyte including an additive, and a lithium salt and an organic solvent, wherein a passivation film may be on a surface of the negative electrode of the rechargeable lithium battery.

Rechargeable lithium battery and negative electrode for same

In an aspect, a rechargeable lithium battery that includes a positive electrode; negative electrode; a separator interposed between the positive electrode and the negative electrode and including a porous substrate and a coating layer formed on at least one side of the porous substrate; and an electrolyte including a lithium salt, a non-aqueous organic solvent, and an additive is provided.

Rechargeable lithium battery and method of fabricating same

An electrolyte for a rechargeable lithium battery including a lithium salt, a non-aqueous organic solvent, and an additive, wherein the additive includes a compound represented by Chemical Formula 1 and a rechargeable lithium battery including the same.

Electrolyte and rechargeable lithium battery including same

An organic electrolyte solution and a lithium battery using the same are disclosed. The organic electrolyte solution includes a lithium salt, an organic solution, a thiophene-based compound and a nitrile-based compound.

Organic electrolyte solution including thiophene-based compound and nitrile-based compound and lithium battery comprising the same

An electrolyte for a rechargeable lithium battery includes a lithium salt, an organic solvent and an additive. The organic solvent includes a sulfur-containing compound represented by Chemical Formula 1, and the additive includes a phosphazene compound represented by Chemical Formula 2. A rechargeable lithium battery including the electrolyte may have improved performance and safety. In Chemical Formulae 1 and 2, the substituents are as defined in the detailed description.

Electrolyte for rechargeable lithium battery and rechargeable lithium battery including the same

An additive, the additive being for an electrolyte for a lithium secondary battery and represented by Chemical Formula 1: Rto Reach independently being hydrogen or a non-polar hydrocarbon group, is disclosed. An electrolyte, the electrolyte being for a lithium secondary battery and including: a non-aqueous organic solvent; a lithium salt; and the additive is also disclosed. A lithium secondary battery including: a positive electrode; a negative electrode facing the positive electrode; and a separator between the positive electrode and the negative electrode, the separator being impregnated with an electrolyte including the additive, is also disclosed.

Additive for electrolyte and electrolyte and lithium secondary battery

Rechargeable lithium battery and method of fabricating the same

A catalyst layer composition for a fuel cell includes an ionomer cluster, a catalyst, and a solvent including water and polyhydric alcohol; and an electrode for a fuel cell includes a catalyst layer comprising an ionomer cluster having a three-dimensional reticular structure, and a catalyst, a method of preparing a electrode for a fuel cell includes a catalyst layer comprising an ionomer cluster having a three-dimensional reticular structure, and a catalyst, and a membrane-electrode assembly for a fuel cell including the electrode and a fuel cell system including the membrane-electrode assembly.

Catalyst layer composition for fuel cell, electrode for fuel cell, method of preparing electrode for fuel cell, membrane-electrode assembly for fuel cell, and fuel cell system using the membrane-electrode assembly

Disclosed is an electrolyte for a rechargeable lithium battery including an organic solvent; a lithium salt; a flame retardant; and at least one acrylate compound having a fluorinated alkyl group. The electrolyte for a rechargeable battery may provide a rechargeable lithium battery having flame-retardant characteristics without decrease of cycle-life and battery performance.

Electrolytes for rechargeable lithium battery and rechargeable lithium battery comprising same

An electrode for a fuel cell is disclosed. The electrode may include an electrode substrate with a conductive substrate, carbon particles, and a catalyst layer disposed on the electrode substrate. The electrode substrate may include a pore having an average diameter of about 20 &#x3bc;m to about 40 &#x3bc;m and porosity of about 30 volume % to about 80 volume % based on the total volume of the electrode substrate. A membrane-electrode assembly including the electrode and a fuel cell system including the membrane electrode assembly are also disclosed.

Electrode for fuel cell, and membrane-electrode assembly and fuel cell system including same

An electrolyte additive represented by the following Chemical Formula 1, an electrolyte, and a rechargeable lithium battery are disclosed: In Chemical Formula 1, Rto Rand Lto Lare the same as defined in the detailed description.

Additive for electrolyte and electrolyte and rechargeable lithium battery

An electrolyte for a rechargeable lithium battery that includes a lithium salt and a non-aqueous organic solvent, wherein the non-aqueous organic solvent includes a fluoro-based solvent represented by the following Chemical Formula 1, and a rechargeable lithium battery including the same.R&#x2014;O&#x2014;R'&#x2003;&#x2003;Chemical Formula 1In Chemical Formula 1, R and R&#x2032; are independently a substituted or unsubstituted C1 to C6 alkyl group, or a substituted or unsubstituted C1 to C6 fluoroalkyl group, wherein at least one of R and R&#x2032; is the substituted or unsubstituted C1 to C6 fluoroalkyl group, and a substitution ratio of fluoro in the fluoro-based solvent represented by the Chemical Formula 1 may range from more than about 0% to less than or equal to about 50%.

A fuel cell separator and a fuel cell system including the same. The separator includes a main body including a plurality of cell barriers and a flow channel disposed between the cell barriers, and a hydrophilic surface-treatment layer disposed on the bottom surface of the flow channel of the main body. The hydrophilic surface-treatment layer disposed on the bottom surface of the flow channel has a contact angle less than a contact angle of a side surface of at least one of the cell barriers by approximately 10&#xb0; to approximately 60&#xb0;.

Separator for fuel cell, and fuel cell system including same

Growing community of inventors

Yongin-si, South Korea

Sang-Il Han