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260results about How to "Reduce overvoltage" patented technology
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Solar battery module for optical electrolysis device and optical electrolysis device
InactiveUS6198037B1Avoid Overvoltage ProblemsEasy to separateCellsElectrolysisElectrolysisElectrical battery
Partition member 34 is provided, which partitions the interior of glass container 31 into reduction reaction chamber 32 and oxidation reaction chamber 33 and which is made of a polymer electrolyte that conducts hydrogen ions; solar battery modules 35 are mounted on this partition member 34, for example in a matrix arrangement of five rows and three columns; a solar battery module 35 has a photocell array (photoelectromotive force: 2.0-2.4 V) consisting of four spherical solar battery elements (photoelectromotive force: 0.5-0.6 V) connected in series, anode 46, and cathode 48; solar battery modules 35 are mounted on partition member 34 so that anode 46 is in contact with the electrolyte of oxidation reaction chamber 33 and cathode 48 is in contact with the electrolyte of reduction reaction chamber 32; sunlight is shined on solar battery modules 35, and the photoelectromotive force electrolyzes the water and produces hydrogen gas from cathode 48 and oxygen gas from anode 46.
Owner:SPHELAR POWER
Gated electrodes for electrolysis and electrosynthesis
InactiveUS20080116080A1Good effectEnhanced charge transferCellsPhotography auxillary processesOvervoltageElectricity
A gated electrode structure for altering a potential and electric field in an electrolyte near at least one working electrode is disclosed. The gated electrode structure may comprise a gate electrode biased appropriately with respect to a working electrode. Applying an appropriate static or dynamic (time varying) gate potential relative to the working electrode modifies the electric potential and field in an interfacial region between the working electrode and the electrolyte, and increases electron emission to and from states in the electrolyte, thereby facilitating an electrochemical, electrolytic or electrosynthetic reaction and reducing electrode overvoltage / overpotential.
Owner:RGT UNIV OF CALIFORNIA
Low-voltage ride through control method for grid-connected photovoltaic power generation system capable of providing reactive support
ActiveCN104269878AImprove reactive supportImprove the ability of low voltage ride throughSingle network parallel feeding arrangementsReactive power adjustment/elimination/compensationEngineeringVoltage control
The invention discloses a low-voltage ride through control strategy for a grid-connected photovoltaic power generation system capable of providing the reactive support. The strategy comprises the steps of control over a preceding-stage DC / DC converter and control over a backward-stage grid side inverter. When grid faults occur, the backward-stage grid side inverter is controlled to provide needed reactive power for a power grid according to the voltage drop depth of the power grid; the feed-forward compensation dosage reflecting photovoltaic array output power and direct-current voltage fluctuation is added into a direct-current side voltage control ring of the inverter, and therefore over-voltage of the direct-current side of the inverter is reduced in the fault occurring process; a controller of the preceding-stage DC / DC converter controls a photovoltaic array to output active power according to the voltage drop depth and the rated capacity of the inverter, so that unbalanced energy in a photovoltaic system when the faults occur is reduced, and the purpose of reducing over-current and over-voltage in the photovoltaic system is achieved. According to the strategy, no hardware device is additionally arranged, the response speed is high, realizing is simple, the low-voltage ride through capacity of the photovoltaic system can be effectively improved, the reactive power can be provided for the power grid, and the voltage recovery of the power grid is supported.
Owner:XI AN JIAOTONG UNIV
Carbon dioxide reduction method, and carbon dioxide reduction catalyst and carbon dioxide reduction device used for the method
The carbon dioxide reduction method of the present invention is a method including steps of: bringing an electrode (working electrode) containing a carbide of at least one element selected from Group V elements (vanadium, niobium, and tantalum) into contact with an electrolytic solution; and introducing carbon dioxide into the electrolytic solution to reduce the introduced carbon dioxide by the electrode. The material contained in the electrode, that is, the material containing a carbide of at least one element selected from Group V elements (vanadium, niobium, and tantalum) is the carbon dioxide reduction catalyst of the present invention.
Owner:PANASONIC CORP
Cathodes for rechargeable lithium-ion batteries
ActiveUS20070082267A1Increase capacityImprove cycle lifeNon-aqueous electrolyte accumulator electrodesLi-accumulatorsActive polymerOxidation-Reduction Agent
The present invention includes an apparatus and method of making and using a composition that includes the replacement of electrochemically inactive additives with a conductive and electrochemically active polymer that is attached so as to make an electrical contract to the redox couples of the electrochemically active oxide particles into / from which Lithium is reversibly inserted / extracted in a battery discharge / charge cycle.
Owner:BOARD OF RGT THE UNIV OF TEXAS SYST
Electrode for use in hydrogen generation
InactiveUS20060231387A1Quality improvementReduce overvoltageCellsMachining electrodesOrganic acidHydrogen
An electrode for use in hydrogen generation comprising a conductive base and a coating layer formed thereon of a composition obtainable by thermally decomposing, in the presence of an organic acid, a mixture comprising at least one type of platinum compound.
Owner:ASAHI KASEI KK
Composite material used as lithium air battery positive electrode and preparation method thereof
InactiveCN102664277ALarge specific surface areaEvenly dispersedFuel and secondary cellsCell electrodesPtru catalystElectrical battery
The invention discloses a composite material used as a lithium air battery positive electrode and a preparation method thereof. The composite material comprises nanometer manganese dioxide (MnO2) and porous carbon which are compounded on the molecular level and are bonded by a hydrogen bond; and the molar ratio of the porous carbon to the nanometer MnO2 is 10:1 to 20:1. The porous carbon is uniform in aperture and large in specific surface area; the nanometer MnO2 is low in cost, non-toxic, high in average voltage and energy compatibility and extremely high in catalytic activity; and moreover, overpotential can be effectively reduced. The nanometer MnO2 used as a catalyst is deposited on the surface of the porous carbon material by a hydrothermal method or an oxidation-reduction method, so that precious metal salt is avoided, the cost is low, the practicability is high, the composite material is clean and environment-friendly, and the requirement on environment protection is met; and in addition, the method is simple and feasible, and complicated and harsh reaction conditions and side reaction are avoided.
Owner:SOUTHEAST UNIV
Electrolytic bath for aluminium electrolysis and electrolysis technology using same
Owner:INNER MONGOLIA UNITED IND
Mixed type three-pole direct current power transmission system and control method thereof
InactiveCN103401263AReduce overvoltageInhibit currentElectric power transfer ac networkThree-or-more-wire dc circuitsOvervoltageHybrid type
Owner:ZHEJIANG UNIV
Coordination control method for multi-terminal flexible DC power transmission system
ActiveCN104901301AStable powerSolve highDc network circuit arrangementsElectric power transfer ac networkPower stationPower flow
A method for coordinating and controlling a multi-terminal flexible direct current transmission system, the method comprising the following steps: (1) a sagging slope control regulated by direct current is added to a constant direct current voltage station in a multi-terminal flexible direct current transmission system; (2) the sagging slope control regulating direct current voltage is added to a constant active power station; (3) when interstation communication does not exist, two constant current voltage stations in a multi-terminal system are set as constant direct current voltage control stations, and the constant direct current voltage control stations serve as balancing nodes in a direct current network. When the system operation condition is out of the range adjusted by the direct current voltage sagging slope control, the method optimally adjusts the system direct current voltage and the power of each station, such that the direct current network can maintain the optimal voltage level after experiencing a major failure.
Owner:STATE GRID CORP OF CHINA +1
Large-scale aluminium electrolysis pre-baking tank
The large aluminum electrolyzing pre-roasting tank includes anode carbon block combination, anode bus, breaking and feeding unit, anode elevating mechanism, crossbeam and portal upright, tank sealing air exhaust system, tank casing, cathode structure and bottom heat insulating structure. It features the double anode structure comprising two anode carbon blocks assembled through aluminum rod and steel pawl; the elevator installed below the top surface of the crossbeam; the tank sealing air exhaust system set inside the crossbeam; and the cathode with surround casing, carbon block with bottom composite heat insulating layer, side silicon nitride to combine silicon carbide blocks and surrounding cast material. The present invention has improved structure resulting in raised fume collecting efficiency, reasonable gas flow distribution and smooth aluminum electrolyzing process.
Owner:NORTHEASTERN UNIV ENG & RES INST CO LTD
Packaging structure and packaging method for silicon carbide power device
ActiveCN105914185AReduce areaReduce parasitic inductanceSemiconductor/solid-state device detailsSolid-state devicesOvervoltageDBc
The invention discloses a packaging structure and a packaging method for a silicon carbide power device. The packaging structure comprises a direct bond copper (DBC) ceramic substrate, a silicon carbide power device, a PCB, leads and a shell and forms a half-bridge circuit structure formed by the silicon carbide power device. According to the packaging structure and the packaging method provided by the invention, the area of a power circuit can be effectively reduced, conductors with opposite current flowing directions are formed during a commutation process by a switch transistor, mutual inductance offset is used for reducing parasitic inductance of a commutation circuit, and overvoltage and oscillation during the switching process can be effectively reduced; driving signal leads adopt a Kelvin connection mode and are vertical to power leads, a role of effectively reducing coupling between a driving circuit and a power circuit is played, and driving stability is enhanced; the DBC substrate and the PCB are welded thoroughly, and packaging reliability is enhanced; and power terminals and signal terminals are directly included in the PCB, thereby reducing contact resistance and parasitic inductance brought by extra terminals and achieving effects of reducing the cost.
Owner:HUAZHONG UNIV OF SCI & TECH
Method and apparatus for controlling a converter
InactiveUS20130057227A1Improve system reliabilityMinimizes maintenance workGenerator control circuitsEmergency protective circuit arrangementsPower gridEngineering
An apparatus and method of controlling an electrical generating apparatus is provided. The apparatus includes an electrical generator configured to be connected to an electrical grid and a converter comprising an inverter connected to a rotor of the electrical generator. The apparatus also includes a shunt protection circuit connected to the inverter and the rotor of the electrical generator and a control unit configured to activate and deactivate the inverter and the shunt protection circuit. The control unit is configured to, in response to determining that an abnormal condition is occurring in the electrical generator or an electrical grid to which the electrical generator is connected, deactivate the inverter and activate the shunt protection circuit. Also, after it is determined that the abnormal condition has passed, the control unit is configured to activate the inverter before deactivating the shunt protection circuit.
Owner:INGETEAM POWER TECH
Magnesium alloy surface phosphorization treatment fluid and treatment method thereof
InactiveCN101148758APH value is stablePromote growthMetallic material coating processesLacquerPhosphoric acid
The present invention magnesium alloy material surface phosphatizing solution and its treating process. The surface phosphatizing solution consists of 85 % concentration phosphoric acid solution in 10-20 ml / l, zinc oxide in 1-5 g / l, sodium fluoride in 1-3 g / l, sodium nitrate in 0.1-0.4 g / l, hydrogen peroxide in 0.5-1 g / l and water for the rest. Hydrogen peroxide is adopted as the promoter to speed film formation and raise the corrosion resistance of the produced conversion film and adhesion of the lacquer film, and as the environment friendly oxidant. The surface phosphatizing solution has simple composition, easy control, stable technological process and low cost, and is suitable for industrial production.
Owner:HARBIN ENG UNIV
A multilevel converter with reduced ac fault handling rating
ActiveUS20180212533A1Reduce overvoltageSafe handlingAc-dc conversionReactive power adjustment/elimination/compensationFull bridgeFault handling
A multilevel converter converting between AC and DC includes a phase leg having a first and a second phase arm, the first phase arm being connected between a first pole having a first potential and a first AC terminal and the second phase arm being connected between the first AC terminal and a second potential, where the phase arms include half-bridge and full-bridge cells, where each cell includes at least one energy storage element for providing the voltage contribution and cell switching units with cell switches and anti-parallel diodes for controlling the voltage contribution, where the full-bridge cells include a bypass switch controllable to bypass the corresponding energy storage element, and when a phase-to-ground fault occurs the cell switches are blocked and the bypass switches activated with a delay in relation to the blocking.
Owner:HITACHI ENERGY SWITZERLAND AG
Electrode for electrolysis, electrolytic cell, and method for manufacturing electrode for electrolysis
The invention provides an electrode for electrolysis, an electrolytic cell, and a method for manufacturing the electrode for electrolysis. The electrode for electrolysis is capable of reducing overvoltage in the early period of electrolysis. The electrode for electrolysis comprises a conductive base material, a first layer formed on the surface of the conductive base material and a second layer formed on the surface of the first layer, wherein the first layer contains ruthenium oxide, iridium oxide and titanic oxide and the second layer contains the ruthenium element and does not contain the iridium element.
Owner:ASAHI KASEI KK
Electrode Catalyst, Method for Preparation Thereof, Direct Alcohol Fuel Cell
InactiveUS20070281200A1Increase current densityImprove the immunityFuel cells groupingFinal product manufacturePlatinumAlcohol
An anode is formed by a metal electrocatalyst including an element mixture made up of platinum and at least one of ruthenium and molybdenum as an active constituent which electrocatalyst is fabricated under vacuum using a vapor phase method, and in this way, the speed of electrode oxidation reaction of alcohol such as methanol, ethanol, and isopropyl alcohol may be substantially increased. Also, by using such an electrocatalyst as the anode, a direct alcohol fuel cell with a high output may be realized using alcohol that is not reformed as fuel.
Owner:RICOH KK
Circuit and method for regulating a DC voltage and power converter
ActiveUS20120147634A1Reduce overvoltageAvoid damageAc-ac conversionElectric generator controlElectricityControl signal
A circuit for regulating a DC voltage is provided. The circuit includes: a controllable switch system, a resistor, a first control circuit and a second control circuit. The controllable switch system includes a first terminal, a second terminal, a first control terminal, and a second control terminal. The controllable switch system is configured to establish an electrical connection between the first terminal and the second terminal, if a first control signal applied to the first control terminal satisfies a first criterion or if a second control signal applied to the second control terminal satisfies a second criterion; A A method for regulating a DC voltage and an AC-to-AC-converter are described.
Owner:SIEMENS AG
Short-circuit protection circuit for APF high-power IGBT
ActiveCN103346538AImprove reliabilityIncrease costArrangements responsive to excess currentOvervoltageCircuit reliability
The invention discloses a short-circuit protection circuit for an APF high-power IGBT. The short-circuit protection circuit comprises the working control circuit of the IGBT and the short-circuit protection circuit of the IGBT, the working control circuit of the IGBT is used for controlling the IGBT to work or not, and the short-circuit protection circuit of the IGBT is used for monitoring the short circuit currents of the IGBT and preventing the short circuit of the IGBT from causing overvoltages to damage the IGBT through a slowly lowered grid voltage circuit. The short-circuit protection circuit of the IGBT comprises the working control circuit of the short-circuit control circuit, the detecting circuit of the short-circuit protection circuit, the slowly lowered grid voltage circuit and a latch protecting resetting circuit, wherein the working control circuit is used for controlling the short-circuit protection circuit to work or not, the detecting circuit is used for detecting the voltage of the IGBT, the slowly lowered grid voltage circuit is used for slowly lowering grid voltages, and the latch protecting resetting circuit is used for protecting and locking a PWM, and completely turning off the IGBT. The short-circuit protection circuit for the APF high-power IGBT has the advantages of improving the reliability of the working circuit, and reducing the overvoltages in a turning off process by adopting the soft turn-off mode of slowly lowering IGBT grid voltages when a short circuit occurs.
Owner:STATE GRID CORP OF CHINA +1
Modular multilevel converter bridge arm short circuit fault protection method
ActiveCN103715658AReduce short circuit fault durationReduce overvoltageAc-dc conversionEmergency protective circuit arrangementsOvervoltageConverters
The invention relates to fault protection methods of converters, specifically to a modular multilevel converter bridge arm short circuit fault protection method. The method comprises the following steps of 1) setting a fault detection time gap [delta]t of modular multilevel converter bridge arm parallel protection switches; 2) setting a fault motion threshold value Q; 3) setting voltage threshold values Ulim.ac and Ulim.arm; 4) detecting voltage to ground Uac(t) of the alternating-current end of a modular multilevel converter and computing Q1=abs(aveage(Uac([delta]t)))-Ulim.ac; 5) detecting bridge arm voltage Uarm(t) of the modular multilevel converter and computing Q2= abs(aveage(Uarm([delta]t)))-Ulim.arm; 6) determining that a bridge arm short circuit fault occurs if Q2 x Q 1 > Q; and 7) trigging the bridge arm parallel protection switch of a sound phase when it is determined that the modular multilevel converter has the bridge arm short circuit fault. According to the invention, by employing the bridge arm parallel protection switches, the bridge arm short circuit fault time duration of the modular multilevel converter is shortened; the direct-current bias voltage borne by a transformer and the overvoltage borne by converter bridge arms are reduced; the equipment requirement and cost are lowered; and the economical efficiency and security are improved.
Owner:STATE GRID CORP OF CHINA +2
Wind power soft straight system with automatic fault ride-through capability and control method thereof
ActiveCN109830978ASave energyChange transfer pathSingle network parallel feeding arrangementsWind energy generationCurrent limitingPower grid
The invention discloses a wind power soft straight system with an automatic fault ride-through capability and a control method thereof. The system comprises a wind power plant, a wind field side converter station, a power grid side converter station and a dissipative module. The wind field side converter station and the power grid side converter station include a direct current basic controller and a fault ride-through controller and are used for realizing automatic current limiting control of alternating current and direct current faults. The dissipation module is used to protect an overvoltage of each converter station submodule from being lower than a rated value during a fault period. The method comprises the following steps of detecting voltage signals of alternating current and direct current ends and automatically identifying the alternating current and direct current faults; realizing the automatic current limiting control of the alternating current and direct current faults bycomparing the direct current basic controller and the fault ride-through controller; connecting a dissipative resistor in parallel to alternating current sides of the wind field side converter station and the power grid side converter station, and realizing dissipation through a switching criterion. Under the coordination effect of the automatic current limiting control and the dissipative resistor, a fault current, a voltage and MMC energy during an alternating current and direct current fault period is in a safe range so as to ensure the transient safe operation of the alternating current and direct current faults of the whole system.
Owner:HUAZHONG UNIV OF SCI & TECH
Method and filling system for filling bags
ActiveCN102046471AWaiting Time OptimizationReduce waiting timeSolid materialEngineeringPressure sensor
The invention relates to a filling system for filling valve bags, and to a method for operating a filling system, which comprises at least one rotating packing machine having a drive for rotating the packing machine, and a plurality of filling nozzles, which are distributed across the periphery of the rotating packing machine. The filling nozzles are provided for receiving the valve bags and can be fixed to the filling nozzles at an opening, and they may be filled with a pourable material through the filling nozzles. The valve bags are placed onto the filling nozzles at a defined insertion position and are automatically released at a defined release position. The invention provides a controller in order to control the filling process. A pressure sensor (10) is associated with at least one filling nozzle in order to determine a degree of the filling pressure of the valve bag disposed at the filling nozzle. The controller determines a representative characteristic pressure value for the filling pressure present at a predetermined position (51) in front of the release position by means of a pressure sensor, and adjusts a rotational speed of the packing machine to the speed of the drive by way of a control unit.
Owner:HAVER & BOECKER
Catalytic agent for lithium-air battery cathode and preparation method
InactiveCN103165912ALarge specific surface areaHigh catalytic efficiencyOrganic-compounds/hydrides/coordination-complexes catalystsCell electrodesOvervoltageLithium–air battery
The invention discloses a catalytic agent for a lithium-air battery cathode and a preparation method. The catalytic agent comprises a nano-manganese dioxide active component and a metal-organic frameworks (MOFs) carrier, and a molar ratio of the MOFs to the nano-manganese oxide is 5: 1-30: 1. The nano-manganese oxide is deposited on the surface of the MOFs material through a hydrothermal method or a redox process, so that the catalytic agent is prepared to be used on the lithium-air battery cathode. The catalytic agent has very good catalytic activity, the overvoltage of a battery is reduced, and therefore the charge-discharge efficiency of the lithium-air battery is improved. In addition, the preparation method of the catalytic agent is simple, practicable and pollution-free. Complex and strict reaction conditions do not need to be adopted.
Owner:HANGZHOU INST OF ADVANCED MATERIAL BEIJING UNIV OF CHEM TECH
Solid battery and method for regenerating the same
ActiveUS20130164571A1Improve interface resistanceReduce interface resistanceAlkaline accumulatorsPrimary cell maintainance/servicingOvervoltageAlkaline earth metal
Provided are a solid battery which can reduce overvoltage and a regeneration method thereof. The solid battery comprises: an anode capable of absorbing and releasing an alkali metal ion or alkaline earth metal ion; a solid electrolyte layer containing a solid electrolyte having ion conductivity and disposed in a manner to contact the anode; a cathode capable of releasing and absorbing the alkali metal ion or alkaline earth metal ion which moves between the anode and cathode; a heating device to heat the anode to a temperature at which it softens; and a fastening device capable of applying force to closely contact the solid electrolyte layer with the anode. The regeneration method comprises the steps of heating the anode to a temperature at which it softens, and compressing the softened anode, in a direction intersecting a face of the anode which contacts with the solid electrolyte layer.
Owner:TOYOTA JIDOSHA KK
Phase-controlled arc-extinguishing coil fault detecitng method
ActiveCN101071146AAccurate judgmentReduce ground misjudgmentEarth resistance measurementsEmergency protective arrangements for limiting excess voltage/currentPower gridGround system
This invention discloses an electrical technology Phased - Petersen coil fault detection method. This invention will first Phased - Petersen coil system to the power grid system and then use Petersen coil controller neutral point of the voltage and current system, if detected elevated to neutral voltage settings, the control of its calculated system grounding resistance, the preliminary determination grounding system running state controller set for final adoption grounding type criterion determine the grounding system operating state control Phased - Petersen coil winding of the second on - SCR Kok change Petersen coil operations, if finally found a permanent grounding system, so that Petersen coil running away from the resonance point, and issued warning notice. The invention introduces discriminant grounding resistance auxiliary methods, giving full consideration to the system over-voltage neutral point of the various situations so that the types of fault detection more accurate.
Owner:SIEYUAN ELECTRIC CO LTD
Active energy control method under alternating current fault of offshore wind power flexible direct current grid-connected system
ActiveCN111934330AGuaranteed uptimeContinuous operationElectric power transfer ac networkSingle network parallel feeding arrangementsCapacitanceOvervoltage
The invention discloses an active energy control method for an offshore wind power receiving end AC fault through a flexible DC grid-connected system, and the method comprises the steps: controlling aDC voltage station to carry out the passive energy recovery, enabling a capacitor in the station to be passively charged to a first preset value and kept, controlling an AC switch to be switched offand switched on during the period, and controlling an energy consumption device to be switched on and off; controlling the direct-current voltage station to release energy, so that the capacitance energy of the direct-current voltage station is reduced to a rated value; in the passive energy recovery period of the direct-current voltage station, controlling the alternating-current voltage stationto perform active energy recovery, so that a capacitor in the station is actively charged to a second preset value and kept; and when the capacitance energy of the direct-current voltage station is reduced to a rated value, the capacitance energy of the alternating-current voltage station being reduced to the rated value. According to the method, the problem of power surplus caused by the receiving end alternating current fault of the offshore wind power flexible direct current grid-connected system can be solved with low economic cost, direct current overvoltage is restrained, and meanwhile the technical requirements for a communication system and an energy consumption device are greatly reduced.
Owner:HUAZHONG UNIV OF SCI & TECH
Electrode for generation of hydrogen
InactiveUS7122219B2Quality improvementReduce overvoltageCellsMultiple component coatingsOrganic acidHydrogen
An electrode for use in hydrogen generation comprising a conductive base and a coating layer formed thereon of a composition obtainable by thermally decomposing, in the presence of an organic acid, a mixture comprising at least one type of platinum compound.
Owner:ASAHI KASEI KK
Oxygen gas diffusion cathode for sodium chloride electrolysis
InactiveUS7914652B2Improve conductivityImprove stabilityActive material electrodesElectrode shape/formsElectrolysisPalladium
Owner:DE NORA PERMELEC LTD
Positive electrode for alkaline water electrolysis and method for producing positive electrode for alkaline water electrolysis
ActiveCN108779563AReduce overvoltageWon't peel offCellsHeterogenous catalyst chemical elementsPtru catalystCobalt
Provided are: a positive electrode for alkaline water electrolysis, which is obtained at low cost and is capable of achieving low overvoltage; and a method for producing a positive electrode for alkaline water electrolysis. A positive electrode for alkaline water electrolysis, which is characterized by forming, on the surface of a conductive base 1 that is formed from nickel or a nickel-based alloy, electrode catalyst layers 2, 3 that are formed from a first catalyst component comprising a nickel cobalt spinel oxide or a lanthanoid nickel cobalt perovskite oxide and a second catalyst componentcomprising at least one of iridium oxide and ruthenium oxide; and a method for producing this positive electrode for alkaline water electrolysis.
Owner:DE NORA PERMELEC LTD +1
Oxygen gas diffusion cathode for sodium chloride electrolysis
InactiveUS20080116063A1Improve conductivityImprove stabilityActive material electrodesElectrode shape/formsElectrolysisPalladium
Owner:DE NORA PERMELEC LTD
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