Abstract: The inventive concept provides a substrate treating apparatus. The substrate treating apparatus includes a chamber having a treating space therein; a supply line having a first open/close valve installed thereon and configured to supply a treating fluid to the treating space; a heater installed on the supply line and configured to heat the treating fluid; an exhaust line having a second open/close valve installed thereon and configured to exhaust the treating space; and, a controller configured to control the first open/close value and the second open/close valve such that the treating fluid heated is supplied to and exhausted from the treating space before a treating process is performed on a substrate in the treating space.

Abstract: Disclosed is a positive electrode including: a positive electrode current collector; and a positive electrode active material layer disposed on at least one surface of the positive electrode current collector, wherein the positive electrode active material layer has a lower layer region facing the positive electrode current collector and containing a first positive electrode active material and a first binder polymer, and an upper layer region facing the lower layer region and containing a second positive electrode active material and a second binder polymer, and the Ni content of the second positive electrode active material in the upper layer region is larger than the Ni content of the first positive electrode active material in the lower layer region. Also disclosed is a lithium secondary battery including the positive electrode.

Abstract: A method for producing a composite conductive material having excellent dispersibility is provided. The method includes supporting a catalyst on surfaces of carbon particles; heat treating the catalyst in a helium or hydrogen atmosphere such that the catalyst penetrate the surfaces of the carbon particles and are impregnated beneath the surfaces of the carbon particles at a contact point between the carbon particles and the impregnated catalyst; and heating the carbon particles having the impregnated catalyst disposed therein in the presence of a source gas to grow carbon nanofibers from the impregnated catalyst to form a composite conductive material, wherein the source gas contains a carbon source, and wherein the carbon nanofibers extend from the contact point to above the surfaces of the carbon particles.

Abstract: The present invention provides an electrode assembly in which a negative electrode coated with a negative electrode active material on a surface of a negative electrode collector, a separator, and a positive electrode coated with a positive electrode active material on a surface of a positive electrode collector are repeatedly laminated, the electrode assembly comprising: monocells in which the positive electrode, the separator, the negative electrode, and the separator are laminated, wherein at least two or more monocells are laminated, wherein, in any one of the monocells, an expansion part extending lengthily to one side is formed on the separators, and the expansion part of the separator surrounds the monocells laminated to be disposed at the outermost layers to fix the laminated monocells.

Abstract: Provided is a positive electrode for a secondary battery, which has a multi-layer structure including a first positive electrode active material layer and a second positive electrode active material layer, wherein the first positive electrode active material layer includes a first lithium composite transition metal oxide containing nickel, cobalt, and manganese, the second positive electrode active material layer includes a second lithium composite transition metal oxide containing nickel, cobalt, and manganese, the first lithium composite transition metal oxide and the second lithium composite transition metal oxide have mutually different nickel contents, wherein the positive electrode active material layer including a lithium composite transition metal oxide having a relatively high nickel content includes an electrolyte additive, and the positive electrode active material layer including a lithium composite transition metal oxide having a relatively low nickel content does not include an electrolyte addit

Abstract: The present invention provides an electrode assembly in which a negative electrode coated with a negative electrode active material on a surface of a negative electrode collector, a separator, and a positive electrode coated with a positive electrode active material on a surface of a positive electrode collector are repeatedly laminated, the electrode assembly comprising: monocells in which the positive electrode, the separator, the negative electrode, and the separator are laminated, wherein at least two or more monocells are laminated, wherein, in any one of the monocells, an expansion part extending lengthily to one side is formed on the separators, and the expansion part of the separator surrounds the monocells laminated to be disposed at the outermost layers to fix the laminated monocells.

Abstract: The present invention relates to a negative electrode including a negative electrode collector, a first negative electrode active material layer disposed on the negative electrode collector, and a second negative electrode active material layer disposed on the first negative electrode active material layer, wherein the second negative electrode active material layer includes a second negative electrode active material and a second conductive agent, wherein the second negative electrode active material includes a silicon-based active material, the silicon-based active material includes SiOx (0?x<2), the second conductive agent includes a carbon nanotube structure in which 2 to 5,000 single-walled carbon nanotube units are bonded side by side, and the carbon nanotube structure is included in an amount of 0.01 wt % to 1.0 wt % in the second negative electrode active material layer, and a secondary battery including the same.

Abstract: Disclosed is a method of predicting cycle life of a secondary battery comprising a carbon-based hybrid negative electrode, including: measuring a lattice d-spacing of a carbon based negative electrode active material of a target carbon-based hybrid negative electrode using an X-ray diffractometer during charging/discharging of a target secondary battery, and plotting a graph of changes in lattice d-spacing value as a function of charge/discharge capacity (X axis); calculating a target slope difference corresponding to a difference in slope value changed with respect to an inflection point of the graph during discharging in the plotted graph; comparing the target slope difference with a reference slope difference; and predicting if the cycle life of the target secondary battery is improved compared to the reference secondary battery from a result of the comparison.

Abstract: The technology relates to a negative electrode for a secondary battery, and a secondary battery including same. The negative electrode comprises a composite material layer having a double-layer structure, but includes silicon oxide and carbon nanotubes in only one layer, such that it is possible to increase the capacity of a battery while preventing structural deterioration of the negative electrode due to changes in electrode volume during charging and discharging.

Abstract: A negative electrode includes a negative electrode active material layer, wherein the negative electrode active material layer includes a negative electrode active material and a conductive material. The negative electrode active material includes SiOx (0?x<2) particles and the conductive material includes secondary particles in which a portion of one graphene sheet is connected to a portion of an adjacent graphene sheet and a carbon nanotube structure in which 2 to 5,000 single-walled carbon nanotube units are coupled to each other, wherein the oxygen content of the secondary particles is 1 wt % to 10 wt % based on the total weight of the secondary particles, the specific surface area of the secondary particles measured by a nitrogen adsorption BET method is 500 m2/g to 1100 m2/g, and the carbon nanotube structure is included in the negative electrode active material layer in an amount of an 0.01 wt % to 1.0 wt %.

Abstract: The proposed technology relates to an oxygen sensor for a vehicle, the oxygen sensor including a housing, a sleeve coupled to the housing, a sensor element configured to determine an oxygen concentration and provided within an inner space defined by the housing and the sleeve, a contact terminal connected to the sensor element, a contact bush including an upper bush and a lower bush, and a positioning unit coupled with the contact bush and maintaining a gap between a circumference of the contact bush and an inner side surface of the sleeve. In particular, the contact bush is coupled with the sensor element and the terminal at the center of the sleeve, and movement due to external impact is prevented.

Abstract: The present invention provides an electrode assembly in which a negative electrode coated with a negative electrode active material on a surface of a negative electrode collector, a separator, and a positive electrode coated with a positive electrode active material on a surface of a positive electrode collector are repeatedly laminated, the electrode assembly comprising: monocells in which the positive electrode, the separator, the negative electrode, and the separator are laminated, wherein at least two or more monocells are laminated, wherein, in any one of the monocells, an expansion part extending lengthily to one side is formed on the separators, and the expansion part of the separator surrounds the monocells laminated to be disposed at the outermost layers to fix the laminated monocells.

Abstract: A method for producing a composite conductive material having excellent dispersibility is provided. The method includes supporting a catalyst on surfaces of carbon particles; heat treating the catalyst in a helium or hydrogen atmosphere such that the catalyst penetrate the surfaces of the carbon particles and are impregnated beneath the surfaces of the carbon particles at a contact point between the carbon particles and the impregnated catalyst; and heating the carbon particles having the impregnated catalyst disposed therein in the presence of a source gas to grow carbon nanofibers from the impregnated catalyst to form a composite conductive material, wherein the source gas contains a carbon source, and wherein the carbon nanofibers extend from the contact point to above the surfaces of the carbon particles.

Abstract: The present invention provides a composite conductive material having excellent dispersibility and a method for producing the same. In an embodiment, the method includes supporting a catalyst on surfaces of carbon particles; heat treating the catalyst in a helium or hydrogen atmosphere such that the catalyst penetrate the surfaces of the carbon particles and are impregnated beneath the surfaces of the carbon particles at a contact point between the carbon particles and the impregnated catalyst; and heating the carbon particles having the impregnated catalyst disposed therein in the presence of a source gas to grow carbon nanofibers from the impregnated catalyst to form a composite conductive material, wherein the source gas contains a carbon source, and wherein the carbon nanofibers extend from the contact point to above the surfaces of the carbon particles.

Abstract: The present invention provides a composition for forming a positive electrode of a secondary battery which includes a positive electrode active material, a conductive material, and a dispersing agent, in which the conductive material includes a carbon-based material having a specific surface area of 130 m2/g or more and an oil absorption number of 220 ml/100 g or more at 0.1 wt % to 2 wt % with respect to the total weight of the composition for forming a positive electrode, and the dispersing agent is introduced into the conductive material to form a conductive material-dispersing agent composite, and the conductive material-dispersing agent composite has a particle size distribution D50 of 0.8 ?m to 1.2 ?m, a positive electrode for a secondary battery and a secondary battery, which are manufactured using the same.

Abstract: A negative electrode including: a current collector; a first negative electrode active material layer positioned on at least one surface of the current collector for a negative electrode and containing a first carbonaceous active material; and a second negative electrode active material layer positioned on a surface of the first negative electrode active material layer and containing a silicon-based active material and carbon nanotubes. A lithium secondary battery including the negative electrode is also disclosed.

Abstract: The present invention provides a composition for forming a positive electrode of a secondary battery which includes a positive electrode active material, a conductive material, and a dispersing agent, in which the conductive material includes a carbon-based material having a specific surface area of 130 m2/g or more and an oil absorption number of 220 ml/100 g or more at 0.1 wt % to 2 wt % with respect to the total weight of the composition for forming a positive electrode, and the dispersing agent is introduced into the conductive material to form a conductive material-dispersing agent composite, and the conductive material-dispersing agent composite has a particle size distribution D50 of 0.8 ?m to 1.2 ?m, a positive electrode for a secondary battery and a secondary battery, which are manufactured using the same.

Abstract: The present invention provides a composite conductive material having excellent dispersibility and a method for producing the same. In an embodiment, the method includes supporting a catalyst on surfaces of carbon particles; heat treating the catalyst in a helium or hydrogen atmosphere such that the catalyst penetrate the surfaces of the carbon particles and are impregnated beneath the surfaces of the carbon particles at a contact point between the carbon particles and the impregnated catalyst; and heating the carbon particles having the impregnated catalyst disposed therein in the presence of a source gas to grow carbon nanofibers from the impregnated catalyst to form a composite conductive material, wherein the source gas contains a carbon source, and wherein the carbon nanofibers extend from the contact point to above the surfaces of the carbon particles.

Abstract: The proposed technology relates to an oxygen sensor for a vehicle, the oxygen sensor including a housing, a sleeve coupled to the housing, a sensor element configured to determine an oxygen concentration and provided within an inner space defined by the housing and the sleeve, a contact terminal connected to the sensor element, a contact bush including an upper bush and a lower bush, and a positioning unit coupled with the contact bush and maintaining a gap between a circumference of the contact bush and an inner side surface of the sleeve. In particular, the contact bush is coupled with the sensor element and the terminal at the center of the sleeve, and movement due to external impact is prevented.

Abstract: An apparatus for coating electrode active material slurry includes: a transfer unit continuously transferring an electrode current collector in a predetermined process direction; and a coating die which is reciprocally movable in the process direction or an opposite direction to the process direction and coats the active material slurry on a predetermined coating area of the electrode current collector transferred by the transfer unit, wherein the coating die stands by at a predetermined coating start position and, when a balcony region corresponding to a leading end of the coating area reaches the coating start position, coats the active material slurry on the balcony region while moving from the coating start position to a main coating position that is spaced apart from the coating start position by a predetermined distance in the opposite direction.