Samsung Electronics Co., Ltd.

Postech Academy-industry Foundation

Hyo Rang Kang

Hyun Seok Kim

Joon Seon Jeong

Jae Eun Kim

Bok Soon Kwon

Dong Jin Ham

Seung Jae Lee

Jae Sung Lee

In Hyuk Son

Jun Young Mun

Bo Kyung Jung

Da Hye Park

Chan Ho Pak

Gang Hong Bae

Sueng Hoon Han

Chang Hyun Kim

Sang Ho Park

Hyun-Seok Kim

Jin-hwan Park

Jin Hwan Park

Sung Soo Han

Hyo A Kang

Jung Im Han

Yoo Seong Yang

Myung Dong Cho

You Hwan Son

Ho Jung Yang

Joo Wook Lee

Sang Min Ji

A capacitive deionization apparatus may include at least one pair of porous electrodes and a spacer structure disposed between the at least one pair of electrodes. The at least one pair of porous electrodes may include an electrode material having a surface area for the electrostatic adsorption of feed ions. The spacer structure may include an electrically-insulating material with an ion exchange group on the surface thereof. The spacer structure provides a path for flowing a fluid therethrough.

Capacitive deionization apparatus and methods of treating fluid using the same

The present disclosure relates to a spacer structure that is configured to be disposed between a pair of electrodes in a capacitive deionization apparatus so as to provide a space for flowing a fluid therethrough. The spacer structure includes a copolymer prepared by copolymerizing a mixture of a polyurethane backbone including a carboxyl group or a sulfonic acid group, an ion conductive monomer including a carboxyl group and a cation exchange group, and a second polymer including a functional group that reacts with the carboxyl group or sulfonic acid group and forms a cross-linking bond with the polyurethane backbone.

Capacitive deionization apparatus and methods of treating a fluid using the same

A method of forming a carbon coating includes heat treating lithium transition metal composite oxide LiMM'NO, in an atmosphere of a gas mixture including carbon dioxide and compound CH[OH], or compound CH, wherein M and M&#x2032; are different from each other and are selected from Ni, Co, Mn, Mo, Cu, Fe, Cr, Ge, Al, Mg, Zr, W, Ru, Rh, Pd, Os, Ir, Pt, Sc, Ti, V, Ga, Nb, Ag, Hf, Au, Cs, B, and Ba, and N is different from M and M&#x2032; and is selected from Ni, Co, Mn, Mo, Cu, Fe, Cr, Ge, Al, Mg, Zr, W, Ru, Rh, Pd, Os, Ir, Pt, Sc, Ti, V, Ga, Nb, Ag, Hf, Au, Cs, B, Ba, and a combination thereof, or selected from B, F, S, and P, and at least one of the M, M&#x2032;, and N comprises Ni, Co, Mn, Mo, Cu, or Fe.

Methods of forming carbon coatings

A capacitive deionization electrode may include a conductive material and a polymer on a surface of the conductive material. The polymer may have at least one functional group in a single polymer chain.

Capacitive deionization electrodes, capacitive deionization apparatuses including the same, and production methods thereof

A method of forming a carbon coating includes heat treating lithium transition metal composite oxide LiMM'NO, in an atmosphere of a gas mixture including carbon dioxide and compound CH[OH], wherein n is 1 to 20 and a is 0 or 1, or compound CH, wherein n is 2 to 6, wherein 0&#x2266;a&#x2266;1.6, 0&#x2266;b&#x2266;2, 0&#x2266;c&#x2266;2, 0&#x2266;d&#x2266;2, b, c, and d are not simultaneously equal to 0, e ranges from 1 to 4, M and M&#x2032; are different from each other and are selected from Ni, Co, Mn, Mo, Cu, Fe, Cr, Ge, Al, Mg, Zr, W, Ru, Rh, Pd, Os, Ir, Pt, Sc, Ti, V, Ga, Nb, Ag, Hf, Au, Cs, B, and Ba, and N is different from M and M&#x2032; and is selected from Ni, Co, Mn, Mo, Cu, Fe, Cr, Ge, Al, Mg, Zr, W, Ru, Rh, Pd, Os, Ir, Pt, Sc, Ti, V, Ga, Nb, Ag, Hf, Au, Cs, B, Ba, and a combination thereof, or selected from Ti, V, Si, B, F, S, and P, and at least one of the M, M&#x2032;, and N comprises Ni, Co, Mn, Mo, Cu, or Fe.

A metal suboxide having a specific surface area of greater than or equal to about 1.5 m/g is prepared by preparing a metal suboxide precursor, and heat-treating the metal suboxide precursor.

Metal suboxide and methods of preparing same

A thermosensitive copolymer may include a first repeating unit having a temperature-sensitive oligomer and a second repeating unit having an ionic moiety and a counter ion to the ionic moiety. The temperature-sensitive oligomer may be an oligomer including a repeating unit derived from a unsaturated monomer with a moiety represented by Chemical Formula 1 or Chemical Formula 2, or an oligomer including a repeating unit derived from a heterocyclic compound having C, N, O, and a C&#x2550;N bond in its ring.*&#x2014;C(&#x2550;O)N(R)(R)&#x2003;&#x2003;[Chemical Formula 1]Rand Rmay each independently be hydrogen or a linear or branched C1 to C6 alkyl group, a C3 to C7 cycloalkyl group, or a C6 to C10 aryl group, Rand Rmay not both be hydrogen, and Rand Rmay be combined to form a nitrogen containing heterocycle. Rmay be a C2 to C5 alkylene group.

Thermosensitive copolymers, forward osmosis water treatment devices including the same, and methods of producing and using the same

A filter unit may include an electrode structure, a fluid-purifying flow path, and a pH adjusting chamber. The electrode structure may include a cathode, a cation exchange membrane, an anion exchange membrane, and an anode in that order. The fluid-purifying flow path may be at least one of a path in the cathode, between the cathode and the cation exchange membrane, between the anion exchange membrane and the anode, and in the anode. The fluid-purifying flow path may include an adsorption function. The pH adjusting chamber may be between the cation exchange membrane and the anion exchange membrane. The pH adjusting chamber may be configured to control the pH of the fluid in the fluid-purifying flow path.

Regenerable filter unit, regenerable filter system including the same, and method of operating regenerable filter system

A method of selectively modifying a structure including preparing a structure including a nano-sized through-pore, filling the nano-sized through-pore with a surfactant, removing a portion of the surfactant from both ends of the nano-sized through-pore to expose a portion of an internal surface of the nano-sized through-pore, modifying the exposed internal surface of the nano-sized through-pore with a first compound, removing the surfactant from the nano-sized through-pore having the internal surface modified with the first compound to expose an internal surface that remains unmodified with the first compound, and modifying with a second compound the exposed internal surface without being modified with the first compound, the second compound being different from the first compound.

Selectively modified nanoporous structure and production methods thereof

An ion exchanger according to a non-limiting embodiment may include an open cell polymer support and a microporous polymer matrix charged within the open cell polymer support. The microporous polymer matrix includes an ion conductive polymer. The ion conductive polymer may be obtained by polymerizing monomers having at least one ion exchange functional group and at least one cross-linkable functional group with a cross-linking agent having at least two cross-linkable functional groups.

Ion exchanger, method of manufacturing the same, and ion exchange filter device and electro-deionization device including the same

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Anyang-si, South Korea

Hyo Rang Kang