Abstract: The present disclosure discloses a preview vehicle height control system and a method of controlling the same. The system includes a monitoring device configured to detect the road surface condition of a driving path of a vehicle, an active suspension configured to adjust a vehicle height, a memory configured to store a plurality of data maps distinguished based on a type of bump, each data map having a vehicle dynamic characteristic as an input and a tuning factor as an output, and a controller configured to derive the tuning factor based on a data map, among the plurality of data maps of the memory, corresponding to the bump detected by the monitoring device, derive a target vehicle height in a form of a Gaussian distribution by substituting the tuning factor, and control the active suspension to follow the derived target vehicle height.

Abstract: Provided is an in-vehicle operation button installation structure, including: a surface material in which a button operation unit is formed on a portion; and an operation button assembly attached to a back surface of the surface material and including a button corresponding to the button operation unit.

Abstract: A fuel cell system comprises: a fuel cell stack (100) where an anode (110) and a cathode (120) are arranged under a state that an electrolyte membrane is positioned therebetween; a fuel tank (300) for storing a fuel; a fuel circulation supply means (400) for circulation-supplying a fuel stored in the fuel tank (300) to the anode of the fuel cell stack; an air supply unit (200) connected to the cathode of the fuel cell stack (100) by an air supply line, for supplying oxygen, etc. to the cathode (120); a sensing unit (500) for measuring a concentration of at least one of fuels supplied to the anode (110) and a control unit for receiving a signal of the sensing unit (500) and informing replacement time of a fuel. According to this, a fuel usage is maximized by informing replacement time of a used fuel and a filter (450) for filtering impurity by detecting a fuel consumption degree and an impurity generation amount.

Abstract: A multi-unit fuel cell system that includes a common-use reforming unit configured to supply hydrogen to multiple fuel cell units that are installed in multiple units, such as apartments within an apartment building. In one example embodiment, a fuel cell system including a common-use reforming unit and multiple fuel cell units is disclosed. The common-use reforming unit is configured to supply hydrogen to the plurality of fuel cell units. Each fuel cell unit includes a stack unit, an air supplying unit, an integral heat exchange unit, a hot-water supplying unit, an auxiliary heat supplying unit, and an electric output unit.

Abstract: A method for purging a fuel cell system comprises detecting a signal for stopping an operation of a fuel cell system, cutting off an electricity output of the fuel cell system, driving a steam generator of a fuel supply unit of the fuel cell system for a certain time and thereby generating steam, certifying whether a purging operation of the fuel cell system has been completed or not, and stopping the fuel cell system, in which the fuel cell system is purged by using steam generated by the steam generator. Since an additional container for storing nitrogen is not required, a fabrication cost is reduced. Also, inconvenience caused by periodically containing nitrogen in the container is solved. Furthermore, when the fuel cell system is used at home, an additional space for installing the nitrogen container is not required and the fuel cell system can be easily installed.

Abstract: A fuel cell system comprises: a DBFC for generating a power by receiving a fuel; a PEMFC for generating a power by receiving hydrogen, a byproduct generated at an anode of the DBFC after a reaction, as a fuel; a supplementary power partially charged by a power generated at the DBFC and the PEMFC and discharging the charged power; a load sensing unit for sensing a load connected to the DBFC, the PEMFC, and the supplementary power; and a control unit for controlling a power of the DBFC, the PEMFC, and the supplementary power according to a load sensed by the load sensing unit and thereby selectively supplying to the load. According to this, hydrogen generated at the DBFC is recycled, and a load amount is sensed thus to stably correspond to a load variation, thereby maximizing a fuel usage efficiency and stably driving the system.

Abstract: A fuel cell system comprises: a fuel storage means for storing a fuel; a direct borohydride fuel cell (DBFC); a fuel circulation supply means for circulation and supplying a fuel to an anode of the DBFC from the fuel storage means; a polymer electrolyte membrane fuel cell (PEMFC) for receiving hydrogen generated at the anode of the DBFC as a fuel; a hydrogen control means for controlling hydrogen generated from the anode of the DBFC in correspondence to an amount required by the PEMFC and thereby supplying the hydrogen to the PEMFC; and an air supply means for supplying air to a cathode of the DBFC and an cathode of the PEMFC.

Abstract: A multi-unit fuel cell system that includes a common-use reforming unit configured to supply hydrogen to multiple fuel cell units that are installed in multiple units, such as apartments within an apartment building. In one example embodiment, a fuel cell system including a common-use reforming unit and multiple fuel cell units is disclosed. The common-use reforming unit is configured to supply hydrogen to the plurality of fuel cell units. Each fuel cell unit includes a stack unit, an air supplying unit, an integral heat exchange unit, a hot-water supplying unit, an auxiliary heat supplying unit, and an electric output unit.

Abstract: In a MEA (membrane electrode assembly) of a fuel cell including an electrolyte membrane as an ion transfer medium arranged between a bipolar plate having a fuel side open groove in which fuel flows and a bipolar plate having an air side open groove in which air flows so as to form a fuel path with the fuel side open groove and form an air path with the air side open groove; and a catalyst electrode inserted into the fuel side open groove so as to be separated from the electrolyte membrane in order to form a fuel path with both sides thereof and induce electrochemical oxidation with the fuel, by activating action occurred on the fuel electrode in which fuel is supplied and the air electrode in which air is supplied, current generating efficiency can be improved.

Abstract: A fuel cell system is provided which produces improved reaction speed and performance. The fuel cell system includes a fuel cell stack including an anode, a cathode, and an electrolyte membrane disposed therebetween. A fuel tank supplies hydrogen-based fuel to the anode of the fuel cell stack, and an oxidant supplying unit adds ozone to oxygen- including air supplies it to the cathode of the fuel cell stack. The ozone supplied to the cathode of the fuel cell stack accelerates a reaction speed in the fuel cell stack, thereby producing a relatively high current density and improving fuel cell performance.

Abstract: A fuel cell system comprises: a fuel storage means (100) for storing a fuel; a DBFC (200); a fuel circulation supply means (300) for circulation-supplying a fuel to an anode of the DBFC from the fuel storage means (100); a PEMFC (400) for receiving hydrogen generated from the anode of the DBFC as a fuel; a hydrogen control means (500) for controlling hydrogen generated from the anode of the DBFC in correspondence to an amount required by the PEMFC and thereby supplying the hydrogen to the PEMFC (400); and an air supply means (600) for supplying air to a cathode of the DBFC and a cathode of the PEMFC.

Abstract: A fuel cell system comprises: a fuel cell stack (100) where an anode (110) and a cathode (120) are arranged under a state that an electrolyte membrane is positioned therebetween; a fuel tank (300) for storing a fuel; a fuel circulation supply means (400) for circulation-supplying a fuel stored in the fuel tank (300) to the anode of the fuel cell stack; an air supply unit (200) connected to the cathode of the fuel cell stack (100) by an air supply line, for supplying oxygen, etc. to the cathode (120); a sensing unit (500) for measuring a concentration of at least one of fuels supplied to the anode (110) and a control unit for receiving a signal of the sensing unit (500) and informing replacement time of a fuel. According to this, a fuel usage is maximized by informing replacement time of a used fuel and a filter (450) for filtering impurity by detecting a fuel consumption degree and an impurity generation amount.

Abstract: A fuel cell system comprises: a DBFC for generating a power by receiving a fuel; a PEMFC for generating a power by receiving hydrogen, a byproduct generated at an anode of the DBFC after a reaction, as a fuel; a supplementary power partially charged by a power generated at the DBFC and the PEMFC and discharging the charged power; a load sensing unit for sensing a load connected to the DBFC, the PEMFC, and the supplementary power; and a control unit for controlling a power of the DBFC, the PEMFC, and the supplementary power according to a load sensed by the load sensing unit and thereby selectively supplying to the load. According to this, hydrogen generated at the DBFC is recycled, and a load amount is sensed thus to stably correspond to a load variation, thereby maximizing a fuel usage efficiency and stably driving the system.

Abstract: A fuel cell system includes a stack unit which generates electricity by an electrochemical reaction between air and hydrogen. A fuel supply unit supplies hydrogen to the stack unit, and an air supply unit supplies air to the stack unit. A load corresponding unit measures an amount of electricity drawn from the stack unit by a load, and controls an amount of electricity generated by the stack unit based on the measurement.

Abstract: A system for supplying energy to a plurality of building units includes a plurality of fuel cells installed in a plurality of building units, a common reformer which generates hydrogen from fuel, a pipe system which supplies hydrogen generated by the common reformer to each of the plurality of fuel cells, and a plurality of converters which convert electricity generated by the plurality of fuel cells into electricity which is supplied to each of the plurality of building units.

Abstract: Disclosed are a fuel cell system and a control method thereof. The fuel cell system comprises: a main fuel cell stack (6) that an anode (2) and a cathode (4) are arranged in a state that an electrolyte membrane is interposed therebetween; a fuel supplying unit connected with the anode of the main fuel cell stack (6) by a fuel supplying line (16) for supplying hydrogen-including fuel to the anode; an air supplying unit (10) connected to the cathode of the main fuel cell (6) stack by an air supplying line (20) for supplying oxygen-including air to the cathode (4); and a sub fuel cell stack (14) for using hydrogen generated at the anode (2) during reaction as fuel. According to this, energy efficiency of a fuel cell can be increased and danger due to exhaustion of hydrogen generated at the fuel cell stack (6) can be decreased.