Yim, Daejeon
Byoungtak Yim, Daejeon KR
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20110065877 | ETHYLENE-PROPYLENE-DIENE COPOLYMER PRODUCTION METHOD - The present invention relates to a method for the production of an ethylene/propylene/diene copolymer by means of solution polymerisation, and more specifically one for a copolymer whose main components are ethylene, propylene and diene monomers using a catalyst of a transition metal coordination compound; the constituent components and characteristics of the copolymer being as follows. The catalyst composition provided by the present invention, which is used to produce a copolymer of which (a) the ethylene content is from 30 wt. % to 80 wt. %, (b) the propylene content is from 19.9% to 60 wt. % and (c) the diene content is from more than 0 wt. % to 15 wt. %, comprises a catalyst system using an activating agent of a compound of aluminium or boron, or aluminoxane together with a transition metal catalyst comprising at least one anionic ligand having an aryloxy group substituted with an aryl derivative in the ortho position and a cyclopentadiene derivative, and provides a highly active polymerisation method with outstanding reactivity with respect to ethylene, propylene and diene compounds. | 03-17-2011 |
Byoung Tak Yim, Daejeon KR
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20110152475 | ETHYLENE ALPHA OLEFIN POLYMER FORMED BY USE OF METALLOCENE CATALYST - There is provided a method for producing copolymer that is composed of ethylene and alpha-olefin by a solution polymerization, and more specifically, a method for producing copolymer that is composed of ethylene and aromatic monomer as main components by using a transition metal catalyst including a cyclopentadiene derivative, and one or more anionic ligand having aryloxy group in which an aryl derivative is substituted at an ortho-position | 06-23-2011 |
Cheol Ho Yim, Daejeon KR
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20120026999 | LOCAL AREA BROADCASTING SERVICE SYSTEM AND METHOD, AND WIRELESS TRANSMISSION DEVICE APPLIED THEREIN - Provided is a system and method for a local area broadcast service, and a wireless transmission apparatus applied to them. In the system, contents to be broadcasted in a predetermined local area are transmitted from a broadcast server to a wireless transmission apparatus through a wired network based on an Internet Protocol and the contents are then broadcasted from the wireless transmission apparatus to one or more user terminal devices. Therefore, according to the present invention, a server of a wired network can easily provide particular contents for each particular local area to one or more user terminal devices in the local area. Moreover, it is possible to reduce the load of the server, when the server provides multiple types of contents or provides contents to a plurality of user terminal devices. | 02-02-2012 |
20120163362 | PACKET TRANSMISSION SYSTEM BASED ON WIRELESS PERSONAL AREA NETWORK AND METHOD THEREOF - Disclosed is a network interworking system and method. That is, a header size is minimized through a fragment of an IPv4 packet based IP packet and a header compression and it is implemented such that the IPv4 is loaded in an IEEE 802.15.4 MAC/PHY packet having a small payload, so that it is possible to efficiently transmit an IPv4 packet by using an IEEE 802.15.4 based WPAN. Further, various applications can be executed using the IPv4 while using an IEEE 802.15.4 technology, which is a low power communication technology, in a mobile device. | 06-28-2012 |
20120163363 | SYSTEM AND METHOD FOR MINIMIZING SIGNAL INTERFERENCE BETWEEN BROADCASTING SIGNALS AND COMMUNICATION SIGNALS WITHIN LOCAL AREA AND APPARATUS APPLIED TO THE SAME - Disclosed is a system and a method for minimizing signal interference for a broadcasting and communication convergence section within a local area, and an apparatus applied to the same. The system has a construction of mounting a plurality of multi RF (Radio Frequency) channels within a local area wireless communication apparatus located in a local area and minimizing signal interference between mutually adjacent RF channels within the local area wireless communication apparatus in a standard for providing a broadcasting and communication convergence service. Accordingly, it is possible to remove the mutual channel effects affecting a communication signal without signal interference for adjacent channels due to a broadcasting signal and it is not necessary to enhance a filtering characteristic for the adjacent channels of a chipset, which corresponds to a broadcasting and communication convergence standard structure in a local area, so that there is an advantage of reducing network investment costs. | 06-28-2012 |
20120170579 | MULTICAST SYSTEM AND MULTICAST METHOD USING SHORTENED ADDRESS AND APPARATUS APPLIED TO THE SAME - Disclosed is a multicast system and a multicast method using a shortened address and an apparatus applied to the same. The multicast system using the shortened address according to the present disclosure has a address configuration for supporting a multicast in an IEEE 802.15.4 MAC (Medium Access Control) layer. Accordingly, when a device processes a multicast through an address configuration of the MAC layer, the device receives the multicast through a simple scheduling such as receiving a beacon signal of a coordinator device only when there is a broadcast of a group including the device. As a result, the device can efficiently perform the multicast in a power managing process or a power processing process. | 07-05-2012 |
Choon-Sik Yim, Daejeon KR
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20100034539 | APPARATUS FOR SYNCHRONIZING CLOCK IN REAL-TIME LOCATING SYSTEM AND METHOD THEREFOR - A highly precise clock synchronization apparatus in a real-time locating system (RTLS), includes an optical transmitting/receiving unit for receiving a clock information frame from a clock synchronization server, converting the received clock information frame in series-parallel, and transmitting/receiving the clock information data and the clock information; an offset estimation unit for detecting a preamble signal and a clock information signal from the series-parallel converted clock information frame, calculating a phase difference value by comparing the detected preamble signal with the detected clock information signal, and outputting an offset value based on the calculated phase difference value; and a clock synchronization unit for updating a local clock value to a time of the clock synchronization server based on the offset value and the clock information frame. | 02-11-2010 |
20120163256 | NETWORK SYSTEM AND USER DEVICE, CALL-PROCESSING DEVICE, AND NETWORK BRIDGE FOR THE SYSTEM - Disclosed is a network system including: a transmitting terminal dividing and transmitting data into a plurality of data pieces; a plurality of bridges each receiving the plurality of data pieces and transmitting the divided data pieces to the receiving terminal; and a call manager managing communication among the transmitting terminal, the receiving terminal, and the plurality of bridges, wherein the bridge uses the same identifier system as the transmitting terminal and the receiving terminal. | 06-28-2012 |
Eun Young Yim, Daejeon KR
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20100008998 | SUBMICRON NANOPARTICLE OF POORLY WATER SOLUBLE CAMPTOTHECIN DERIVATIVES AND PROCESS FOR PREPARATION THEREOF - The present invention relates to a nanoparticle composition comprising a camptothecin derivative, solid polyethyleneglycol and an anti-associative agent, and the process for preparing the same. Specifically, the present invention provides a composition comprising a nanoparticle of the camptothecin derivative, which is prepared by solid-dispersing the poorly water soluble camptothecin derivative in polyethyleneglycol and dissolving the solid dispersions in an aqueous solution containing an anti-associative agent. The composition of the present invention stabilizes the camptothecin derivative lactone form in body fluid for effective anticancer activity. | 01-14-2010 |
Gil-Jae Yim, Daejeon KR
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20120160751 | OXIDATION POND INCLUDING NEUTRALIZING AGENT FOR TREATING ACID MINE DRAINAGE - Provided is an oxidation pond for treating acid mine drainage discharged from an abandoned mine. The oxidation pond comprises: an inlet into which mine drainage is introduced; a retention pond in which the mine drainage introduced into the inlet resides; and an outlet through which the mine drainage is discharged from the retention pond, so that iron in the mine drainage is oxidized and precipitated during residence of the mine drainage in the retention pond, wherein a neutralizing agent that increases the pH of the mine drainage to accelerate the iron precipitation reaction is placed in the retention pond. | 06-28-2012 |
20120160752 | OXIDATION POND INCLUDING BAFFLES FOR TREATING ACID MINE DRAINAGE - Provided is an oxidation pond for treating acid mine drainage discharged from an abandoned mine. The oxidation pond comprises: an inlet into which mine drainage is introduced; a retention pond in which the mine drainage introduced into the inlet resides; and an outlet through which the mine drainage is discharged from the retention pond, so that iron in the mine drainage is oxidized and precipitated during residence of the mine drainage in the retention pond, wherein a neutralizing agent that increases the pH of the mine drainage to accelerate the iron precipitation reaction is placed in the retention pond. | 06-28-2012 |
Han Young Yim, Daejeon KR
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20140105050 | METHOD AND APPARATUS FOR SEAMLESS HANDOVER OPERATION IN A WIRELESS COMMUNICATION SYSTEM - A method and apparatus for improving a mobile problem caused by a narrow handover region in a boundary region between virtual cells constructed by a plurality of small base stations are provided. A plurality of Virtual Cells (VCs) include a plurality of Distributed Base Stations (DBSs) whose VCs cooperatively communicate with each other. An Intermediate Distributed Base Station (I-DBS) is located in a region where adjacent at least two VCs among the plurality of VCs are superimposed, and belongs to a different VC according to a time division scheme. | 04-17-2014 |
Hoon Yim, Daejeon KR
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20120168746 | THIN FILM TRANSISTOR SUSBTRATE INCLUDING OXIDE SEMICONDUCTOR - The present disclosure relates to a thin film transistor substrate for flat panel display device including oxide semiconductor. The present disclosure suggests a thin film transistor substrate for flat panel display device comprising: a transparent substrate; a thin film transistor layer having an oxide semiconductor material disposed on the transparent substrate; a passivation layer disposed on the whole surface of the thin film transistor layer; a pixel electrode formed on the passivation layer and contact the thin film transistor layer through a contact hole formed at the passivation layer; and a first ultra violet light absorbing layer disposed on the whole surface of the pixel electrode. Absorbing all of ultra violet light and passing all of the visible light, the photo-thermal characteristic is enhanced and the transparency property is not degraded. | 07-05-2012 |
Hyeon Joo Yim, Daejeon KR
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20090298829 | MELANOCORTIN RECEPTOR AGONISTS - The present invention relates to a compound of the following formula 1, pharmaceutically acceptable salt and isomer thereof effective as agonist of melanocortin receptor, and an agonistic composition of melanocortin receptor comprising the same as active ingredient. | 12-03-2009 |
20100274013 | DIPEPTIDYL PEPTIDASE-IV INHIBITING COMPOUNDS, METHODS OF PREPARING THE SAME, AND PHARMACEUTICAL COMPOSITIONS CONTAINING THE SAME AS ACTIVE AGENT - Disclosed herein are novel compounds of Formula (1) as defined in the specification having excellent inhibitory activity against dipeptidyl peptidase-IV (DPP-IV), methods of preparing the same and pharmaceutical compositions comprising the same as an active agent. | 10-28-2010 |
Hyun-Jeong Yim, Daejeon KR
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20150288995 | METHOD AND APPARATUS FOR TRANSMITTING AND RECEIVING HYBRID BROADCASTING - A hybrid broadcasting transmitting apparatus generates signaling information including a stream type of a plurality of broadcasting programs and a transmitting network type of the plurality of broadcasting programs, transmits signaling information and a broadcasting stream corresponding to a portion of a plurality of broadcasting programs through the communication network, and transmits signaling information and a broadcasting stream corresponding to the remaining portions of a plurality of broadcasting programs through the broadcasting network. | 10-08-2015 |
20160105727 | METHOD AND DEVICE FOR RENDERING BROADCAST SERVICE - Disclosed is a method and device for providing a broadcasting service, including: acquiring signaling information from a broadcasting signal received from a broadcasting network; acquiring information on a hybrid broadcasting service based upon the signaling information; and determining whether a component to be received through a communication network exists based upon information on the hybrid broadcasting service. | 04-14-2016 |
Jae Ha Yim, Daejeon KR
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20130057060 | DEVICE FOR CANCELING UNDESIRABLE MAGNETIC FIELD AROUND ON-LINE ELECTRIC VEHICLE, METHOD OF MANUFACTURING THE SAME, AND ON-LINE ELECTRIC VEHICLE CAPABLE OF CANCELING UNDESIRABLE MAGNETIC FIELD - A method, for manufacturing a device for canceling an undesirable magnetic field around an on-line electric vehicle, the method comprising, calculating a primary magnetic field generated by a current flowing through a power line, calculating a first undesirable magnetic field, calculating a second undesirable magnetic field, obtaining an entire undesirable magnetic field by calculating a vector sum of the first and second undesirable magnetic fields, obtaining a number of turns of a coil to be wound around one end or both ends of the power acquisition device which maximally cancels the entire undesirable magnetic field, and winding the coil around the end or ends of the power acquisition device in accordance with the obtained number of turns, and short-circuiting each coil. | 03-07-2013 |
Jeong Il Yim, Daejeon KR
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20120155477 | MULTI HOP ROUTING APPARATUS AND MULTI HOP ROUTING METHOD - Disclosed is a multi hop routing apparatus, including: a receiving unit that receives multi hop routing messages; a parsing unit that parses the received multi hop routing messages; and a control unit that performs a control to determine a routing path using a hop count value and a link quality indicator (LQI) value included in the parsed multi hop routing message. | 06-21-2012 |
Jong Choul Yim, Daejeon KR
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20130166503 | FILE CLOUD SERVICE APPARATUS AND METHOD - Disclosed is a file cloud service apparatus that is not a file cloud system for simply sharing a file between users, but a social file cloud server that enables social information about a file shared within a group to be used by including a comment of a user or scores on a file in file metadata information in group sharing. The file cloud service apparatus may construct a single system together with a file cloud client apparatus by adding social information of the user on the file and thereby may provide an efficient social sharing service. The file cloud service apparatus becomes a base for providing a user-oriented file cloud service. | 06-27-2013 |
20140098786 | APPARATUS AND METHOD FOR CONTROLLING SESSION MOBILITY, AND APPARATUS AND METHOD FOR REGISTERING IP MULTIMEDIA SUBSYSTEM - An individual IMS terminal acquires address and place information of a service discovery server present in the local IP network from an AP. Next, the individual IMS terminal may query the service discovery server to find out an SIP URL address of a sharing IMS terminal. When the individual IMS terminal finds out the sharing IMS terminal, its own IMS subscription information is transmitted to the sharing IMS terminal. The sharing IMS terminal is dynamically registered in the IMS depending on the received IMS subscription information. When the process ends, the sharing IMS terminal has the same IMS subscription information as the individual IMS terminal, such that the session mobility control provided by the IMS may be applied as it is. | 04-10-2014 |
Joo Hyuk Yim, Daejeon KR
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20130074787 | STEAM GENERATION DEVICE FOR AUTOMATIC WATER SUPPLY USING SELF VAPOR PRESSURE - The present invention relates to a steam generation device for automatic water supply using self vapor pressure that continuously generates necessary steam while smoothly supplying water to a steam tank by using a self vapor pressure stored in the steam tank as well as minimizes heat loss in a process of generating steam to outside thereby reducing energy consumed in generating steam, and more particularly, to a steam generation device for automatic water supply using self vapor pressure that supplies water more smoothly through a control method of opening a water supply pressure tank only after the water supply pressure tank is supplied with sufficient vapor pressure. | 03-28-2013 |
20130284122 | AUTOMATIC WATER SUPPLY-TYPE STEAM GENERATOR USING VAPOR PRESSURE - The present invention relates to an automatic water supply-type steam generator using vapor pressure for creating the optimum vacuum pressure inside a pressurized water supply tank, and for smoothly providing water to the pressurized water supply tank by using the strong aspiration force that is created by means of the vacuum pressure while continuously generating steam. The present invention is characterized by allowing control of the vacuum pressure to the optimum state when creating the vacuum pressure inside the pressurized water supply tank by introducing an adequate amount of outside air from the atmosphere through an air vent. In addition, the present invention is characterized by providing a means for cooling the pressurized water supply tank so as to control the vacuum pressure inside the tank to the optimum state. | 10-31-2013 |
20140047841 | PUMPING DEVICE USING VAPOR PRESSURE FOR SUPPLYING WATER FOR POWER PLANT - The present invention relates to a pumping device using vapor pressure for supplying water for a power plant, which uses the vapor pressure that is stored in a vapor generator used in the power plant to more quickly and readily supply water to the vapor generator without separately using a high-capacity pump and a condenser. The present invention is characterized by significantly saving equipment cost, because various high-capacity pumps and condensers are not required at all, enhancing energy efficiency and operability by eliminating unnecessary power consumption that is used to operate same, reducing maintenance costs, and actively and efficiently preserving nature and the environment by fundamentally eliminating hot water and sewage, which are byproducts of nuclear or thermal power generation, that are discharged into the ocean without treatment. | 02-20-2014 |
20140199184 | ENERGY-SAVING PUMP AND CONTROL SYSTEM FOR THE PUMP - An energy-saving pump and control system comprises: a pump body to receive steam from a steam generator; a steam transfer means for opening/closing a pipeline between the pump body and the steam generator; and a water supply means for opening/closing a pipeline between the pump body and a water usage space, wherein the steam transfer means and the water supply means are opened to supply water to the water usage space. An alternative energy-saving pump and control system comprises: a pump body to receive steam from a steam generator; a steam transfer means for opening/closing a pipeline between the pump body and the steam generator; and a suction means for opening/closing a pipeline between the pump body and a water source, wherein the steam transfer means is closed to receive steam and then the suction means is opened to suction water from the water source. | 07-17-2014 |
Jo Ryeong Yim, Daejeon KR
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20090159753 | MOMENTUM MANAGEMENT SYSTEM FOR REACTION WHEEL BY USING NULL SPACE VECTOR AND METHOD - A reaction wheel momentum management method using a null space vector is provided. In accordance with this method, when any one of at least four reaction wheels used for triaxial control is made unavailable or degraded, a degraded wheel is used as long as possible for improving the mobility of the behavior of a satellite. The method provides momentum management for an N-number of reaction wheels W | 06-25-2009 |
Jun Ho Yim, Daejeon KR
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20160125572 | DEVICE AND METHOD TO GENERATE IMAGE USING IMAGE LEARNING MODEL - At least some example embodiments disclose a device and a method for generating a synthetic image and a different-angled image and eliminating noise. The method may include receiving input images, extracting feature values corresponding to the input images using an image learning model, the image learning model permitting an input and an output to be identical and generating a synthetic image based on the feature values corresponding to the input images using the image learning model. | 05-05-2016 |
Man Sung Yim, Daejeon KR
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20150376805 | ELECTROCHEMICAL DEVICE FOR RECOVERING URANIUM - The present invention relates to an electrochemical device, and more particularly, to an electrochemical device for recovering uranium from spent nuclear fuel, including: an electrolytic bath containing a molten salt electrolyte solution; a flow barrier which divides the electrolytic bath into two chambers and limits a flow of the electrolyte solution; a filter which filters particulates from the flow of the electrolyte solution; an anode which is inserted into the molten salt from one side of the electrolytic bath; and a cathode which is inserted into the molten salt from the other side of the electrolytic bath. | 12-31-2015 |
Sang-Wook Yim, Daejeon KR
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20160126531 | BATTERY PACK INCLUDING BUSHING FOR CONNECTING END PLATE - Disclosed is a battery pack including a bushing for connecting an end plate. The battery pack according to the present disclosure connects an upper housing and an end plate for a battery module assembly by the bushing. | 05-05-2016 |
Seong-Woo Yim, Daejeon KR
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20100110598 | LINE COMMUTATION TYPE FAULT CURRENT LIMITER - A line commutation type fault current limiter which can reduce manufacturing and maintenance costs, carry out line commutation by operating a cutoff switch by fault current energy, respond rapidly to a fault, be immediately restored to an original state, and perform either an active or a passive operation. The line commutation type fault current limiter includes a coupled inductor having a primary side connected to a main circuit and a secondary side matched with the primary side, a Zener diode switch electrically connected to the secondary side of the coupled inductor, a line commutation switch connected to the Zener diode switch as well as the primary side of the coupled inductor to form a bypass path in parallel with the primary side of the coupled inductor and to cut off the main circuit, when the Zener diode switch is turned on, and a current limiting unit electrically connected in parallel with the line commutation switch to limit a current flowing into the main circuit. | 05-06-2010 |
Sun Bin Yim, Daejeon KR
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20160083007 | ACTIVE FRONT STEERING SYSTEM FOR VEHICLE - An active front steering (AFS) system for a vehicle may include: a basic pinion angle generation unit configured to generate a basic pinion angle with respect to a steering angle of a driver, using an AFS gear ratio for vehicle speed; a compensating pinion angle detection unit configured to detect a compensating pinion angle which is preset for a steering angle speed; and a basic pinion angle adjusting unit configured to receive the basic pinion angle and the compensating pinion angle from the basic pinion angle generation unit and the compensating pinion angle detection unit, respectively, adjust the basic pinion angle using the compensating pinion angle, and output a final pinion angle. | 03-24-2016 |
Sung Bin Yim, Daejeon KR
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20140085444 | PORTABLE LATENT FINGERPRINT DEVELOPING APPARATUS - Disclosed is a portable latent fingerprint developing apparatus capable of visibly checking out an external shape of a finger print by using an UV LED lamp, after a fine spray of a fingerprint developing liquid is conducted by using a vibrator and providing the corresponding fingerprint image to an external terminal, after it is photographed by a camera. | 03-27-2014 |
Sung-Dae Yim, Daejeon KR
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20080252299 | Cell or stack for evaluating performance of fuel cell and method of evaluating performance of fuel cell using the same - The present invention provides a cell or stack for evaluating the performance of a fuel cell and a method of evaluating the performance of the fuel cell using the cell or stack, in which a semiconductor thermoelectric device, attached to the side surface of the unit cell or stack of the fuel cell, is provided so as to evaluate the performance of the fuel cell in an environment in which temperature is maintained at a uniform temperature. | 10-16-2008 |
20090186252 | ORGANIC-INORGANIC COMPOSITE POLYMER ELECTROLYTE MEMBRANE FOR FUEL CELLS AND ITS PREPARATION METHOD - The present invention relates to a preparing process an organic-inorganic composite polymer membrane for fuel cell by using sol-gel process. At this time, it is characterized in that when a sulfonated hydrocarbons polymer having ion conductivity is cast with film shape, sol-gel process which enables to distribute an inorganic matter having an excellent cation exchange and moisture holding capacity homogeneously is used. With homogeneous introduction of an inorganic matter into a polymer matrix by sol-gel process according to the present invention, it is possible to improve a phenomenon that an inorganic matter is partially concentrated at some position, thereby enabling to obtain an ion conducting organic-inorganic composite polymer membrane having an excellent ion conductivity. | 07-23-2009 |
20100236335 | INTEGRATED MULTI-MEASUREMENT SYSTEM FOR MEASURING PHYSICAL PROPERTIES OF GAS DIFFUSION LAYER FOR POLYMER ELECTROLYTE FUEL CELL WITH RESPECT TO COMPRESSION - Disclosed is an integrated multi-measurement system for measuring physical properties including thickness, electrical resistance and differential pressure of a gas diffusion layer for a polymer electrolyte fuel cell with respect to compression. The integrated multi-measurement system simultaneously measures changes in the physical properties of the gas diffusion layer depending on pressure upon measurement of the physical properties of the gas diffusion layer of the fuel cell and also measures through-plane permeability in which a gas is passed through a sample in a direction perpendicular to the sample and in-plane permeability in which a gas is passed through a sample in a direction parallel to the sample. | 09-23-2010 |
20110053030 | Fuel Cell with Gas Diffusion Layer having Flow Channel and Manufacturing Method Thereof - Provided are a fuel cell with a porous gas diffusion layer having a flow channel and a method for manufacturing the same. A metal separator without a flow channel is used, but a flow channel for providing a reaction gas is formed in a gas diffusion layer made of a porous material. This improves precision of stack manufacturing and allows free design of the cooling part. | 03-03-2011 |
20110081587 | Apparatus for Detecting Leak in Fuel Cells - Provided is an apparatus for detecting leak in fuel cells. The apparatus includes: a detection gas intake unit connected to a detection gas storage; a supply unit supplying detection gas to supply manifolds of the fuel cells; a recovering unit connected to exhaust manifolds of the fuel cells; and a measuring unit measuring pressure of the detection gas supplied to the fuel cells, wherein in the fuel cells, a product and cooling fluid are exhausted through the exhaust manifolds after cathode/anode reaction gas and cooling fluid are supplied to the inside through the supply manifolds to generate an electrochemical reaction. Accordingly, presence of leak and leaked portions of the entire fuel cells are detected by using an inert detection gas. | 04-07-2011 |
20110236774 | System for Pre-Activation of Polymer Electrolyte Fuel Cell (PEFC) - An apparatus for pre-activation of a polymer electrolyte fuel cell includes a first plate and a second plate hot pressing the unit cell stack, each having a flow channel supplying water vapor to opposing inner surfaces with the unit cell stack therebetween and including a resistor producing heat, a compressor, a temperature controller and a water vapor supplier connected to the flow channels of the plates. The apparatus for pre-activating a polymer electrolyte fuel cell may be used to prepare a prep-activated integrated body of a polymer electrolyte fuel cell membrane electrode assembly and gas diffusion layers by performing hot pressing while supplying water vapor to the unit cell stack to hydrate the polymer electrolyte membrane. And the apparatus for pre-activating a polymer electrolyte fuel cell is used to monitor physical damage of the membrane electrode assembly based on the change of degree of vacuum at a fuel electrode side and an air electrode side using, thereby detecting the leaking membrane electrode assembly in advance. | 09-29-2011 |
20110271742 | Quality Control Apparatus for Gas Diffusion Layer for Fuel Cells - A quality control apparatus for a gas diffusion layer includes a support, at least one first pressure device, a plate provided below the first pressure device and supporting the pressure applied to the gas diffusion layer sample, a first controller controlling the compression of the first pressure device, a thickness gauge measuring the thickness of the gas diffusion layer sample, a flow channel formed in the sample compressing portion to discharge a gas to the gas diffusion layer sample, a gas supply controller, a gas supply source, a pressure gauge, two fixing devices, a third controller controlling the compression of the fixing devices, two second pressure, a second controller controlling the compression of the second pressure device, a stopper, a protrusion, and a load cell. | 11-10-2011 |
20130253080 | METHOD FOR PREPARING A SULFONATED POLYARYLENE ETHER SULFONE COPOLYMER FOR FUEL CELLS - The present disclosure relates to a method for preparing sulfonated polyarylene ether sulfone copolymer used in fabricating an electrolyte polymer membrane which is core material, the method comprising: A) mixing monomers, 4,4′-dihydroxydiphenyl; bis(4-chlorophenyl)sulfone or bis(4-fluorophenyl)sulfone; and 3,3′-disulfonated-4,4′-chlorodiphenyl sulfone with K | 09-26-2013 |
20130288157 | ANION EXCHANGE COMPOSITE MEMBRANE FILLED WITH CROSSLINKED POLYMER ELECTROLYTES FOR FUEL CELLS AND METHOD FOR PREPARING THE SAME - An anion exchange composite membrane is filled with crosslinked polymer electrolytes for fuel cells. A method comprises, (A) preparing anion exchange electrolyte precursor solution, said anion exchange electrolyte precursor solution consisting of a electrolyte monomer of tetravalent ammonium salt having a cation, a bisacrylamide crosslinker having tertiary amine functional group, an initiator and water; (B) impregnating a porous polymer supporter into said electrolyte precursor solution; (C) forming primary anion exchange crosslink polymer electrolyte micropore filling membrane by laminating said polymer supporter and crosslinking within a film; (D) deriving quanternary ammonium of said crosslinker having tertiary amine functional group by immersing said primary anion exchange crosslink polymer electrolyte micropore filling membrane in Vinylbenzyl chloride monomer solution; and (E) preparing composite membrane filled with crosslinked polymer electrolytes by crosslinking after said ammonium deriving is complete, said crosslinking being radical polymerizing vinyl group of said electrolyte micropore filling membrane. | 10-31-2013 |
20140023952 | METHOD FOR PREPARING CATALYST LAYER BY IN-SITU SOL-GEL REACTION OF TETRAETHOXYSILANE IN NAFION IONOMER SOLUTION - Provided are a method for preparing a catalyst layer by an in-situ sol-gel reaction of tetraethoxysilane, and a fuel cell including the catalyst layer prepared thereby. Addition of silica mitigates specific adsorption of sulfonate groups contained in a Nafion ionomer on a Pt catalyst layer in a high-voltage region where the role of a catalyst predominates, resulting in improvement of ORR performance. | 01-23-2014 |
20140080022 | Apparatus and Method for Managing Fuel Cell Vehicle System - Provided are an apparatus and a method for managing a fuel cell vehicle system, and more particularly, an apparatus and a method for managing a fuel cell vehicle system capable of optimally maintaining a driving method based on environmental information and product information. | 03-20-2014 |
20140080023 | Apparatus and Method for Managing Stationary Fuel Cell System - Provided are an apparatus and a method for managing a stationary fuel cell system, and more particularly, an apparatus and a method for managing a stationary fuel cell system capable of optimally maintaining a driving method based on environmental information and product information. | 03-20-2014 |
20140236535 | APPARATUS AND METHOD FOR SOFTSENSING FUEL CELL SYSTEM - Provided are an apparatus and a method for soft-sensing a vehicle or stationary fuel cell system capable of predicting a quality variable based on a process variable and providing the predicted quality variable in real time. | 08-21-2014 |
20140315115 | ANION BINDER FOR SOLID ALKALINE FUEL CELL, METHOD OF PREPARING THE SAME AND MEMBRANE-ELECTRODE ASSEMBLY - The present invention concerns the preparation of an anion binder for a solid alkaline fuel cell which enhances durability to electrochemical reactions and makes the production of electrode slurry easy. A method of preparing an anion binder for a solid alkaline fuel cell includes: (A) mixing an electrolytic monomer of quaternary ammonium salts having a cation group, a bisacrylicamide crosslinking agent having a tertiary amino group, and water together by stirring; (B) mixing the mixture with a photoinitiator; (C) interposing the solution between polyethylene terephthalate films and irradiating the solution with ultraviolet light for crosslinking and polymerization; and (D) pulverizing crosslinked polymerized resin to a nano size. | 10-23-2014 |
20140315119 | HIGHLY CONDUCTIVE ANION-EXCHANGE COMPOSITE MEMBRANE WITH CROSSLINKED POLYMER ELECTROLYTE FOR ALKALINE FUEL CELL AND METHOD FOR PREPARING THE SAME - Disclosed are a new method for preparing a highly conductive anion-exchange composite membrane with a crosslinked polymer electrolyte for an alkaline fuel cell and a composite membrane prepared by the same. The method includes (A) mixing (vinylbenzyl)trimethylammonium chloride, 1,3,5-triacryloylhexahydro-1,3,5-triazine, and a mixed solution of deionized water and dimethyl formamide at a weight ratio of 1:1 together by stirring at a weight ratio of 60˜75:5˜16:20˜25; (B) mixing 100 parts by weight of the mixed solution with 0.5 to 2 parts by weight of a photoinitiator; (C) impregnating a porous polymer support with the solution so that a monomer solution soaks into the support; (D) interposing an electrolyte-impregnated membrane between polyethylene terephthalate (PET) films and irradiating the electrolyte-impregnated membrane with ultraviolet (UV) light having an energy of 30 to 150 mJ/cm | 10-23-2014 |
20150278704 | METHOD FOR OPTIMIZATION OF FUEL CELLS OPERATING CONDITIONS USING HYBRID MODEL - Provided is a method for optimization of fuel cells operating conditions using a hybrid model, and more particularly, a method for optimization of fuel cells operating conditions using a hybrid model which generates a life prediction model determined by time and temperature based on a theoretical performance model and an empirical durability model and estimates an optimal operation temperature in a target life based on the life prediction model. | 10-01-2015 |
20160036077 | Apparatus and Method for Managing Fuel Cell Vehicle System - Provided are an apparatus and a method for managing a fuel cell vehicle system, and more particularly, an apparatus and a method for managing a fuel cell vehicle system capable of optimally maintaining a driving method based on environmental information and product information. | 02-04-2016 |
Yong Hyeon Yim, Daejeon KR
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20150346221 | QUANTIFICATION METHOD FOR SULFUR-CONTAINING ORGANIC COMPOUND - Provided is a quantification method for a sulfur-containing organic compound. The quantification method may quantify the sulfur-containing organic compound without limitation. Preferably, the quantification method is more effective for quantifying organic compounds of which quantification is difficult to perform, such as a macromolecule such as a biomaterial, or the organic compound having a hygroscopic property or being present in a hydrated form, and significantly effectively quantifying high purity standard materials of peptide or protein among the biomaterials. | 12-03-2015 |
20150348768 | COMBUSTION PRETREATMENT-ISOTOPE DILUTION MASS SPECTROMETRY - Provided is a combustion pretreatment-isotope dilution mass spectrometry measuring concentration of a target element for detection contained in a target sample for detection by using an isotope dilution mass spectrometry, including: pretreating the target sample for detection by combustion during an isotope dilution mass spectrometry, to thereby stabilize an isotope and further improve analysis ability, and therefore, the present invention is expected to be utilized as an element analysis method surpassing accuracy of the existing mass spectrometry method. | 12-03-2015 |