摘要:
A composition of redox-reagent containing metal-containing complex and thionine or its derivative as electron transfer mediator for use in an electrochemical biosensor, and a biosensor containing the same are provided. With the increase in reaction rate between redox enzyme-thionine (or its derivative)-metal-containing complex in the composition of redox-reagent containing metal-containing complex and thionine or its derivative, glucose detection efficiency markedly increases, and the composition is hardly influenced from high humidity and interfering substances. Accordingly, the composition of redox-reagent is useful in fabricating an electrochemical biosensor for detecting glucose in blood.
摘要:
A composition of redox-reagent containing metal-containing complex and thionine or its derivative as electron transfer mediator for use in an electrochemical biosensor, and a biosensor containing the same are provided. With the increase in reaction rate between redox enzyme-thionine (or its derivative)-metal-containing complex in the composition of redox-reagent containing metal-containing complex and thionine or its derivative, glucose detection efficiency markedly increases, and the composition is hardly influenced from high humidity and interfering substances. Accordingly, the composition of redox-reagent is useful in fabricating an electrochemical biosensor for detecting glucose in blood.
摘要:
An electrode of an electrochemical battery includes: an electrode catalyst and a catalyst holding body for holding and confining the electrode catalyst by being entangled with the electrode catalyst. A fabrication method of the electrode is simple, and the electrode has a small volume, high flexibility and durability. A specific surface area of the electrode catalyst is large and an efficiency of the battery can be improved.
摘要:
In a structure for reducing internal circuit of a fuel cell including adjacently stacked unit cells; a fuel side distributing means for connecting each fuel side inflow path of the unit cells and insulating them; and an air side distributing means for connecting each air side inflow path of the unit cells, electric connection among the stacked plural unit cells by fuel as an electrolyte solution and electric leakage by additional parts can be minimized.
摘要:
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.
摘要:
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.
摘要:
Disclosed is a fuel cell system comprising: a fuel cell stack including an anode, a cathode, and an electrolyte membrane disposed therebetween; a fuel tank for supplying hydrogen-including fuel to the anode of the fuel cell stack; and an oxidant supplying unit for adding ozone to oxygen-including air and thereby supplying to the cathode of the fuel cell stack. According to this, ozone is supplied to the cathode of the fuel cell stack thus to accelerate a reaction speed in the fuel cell stack and thereby to obtain a relatively high current density.
摘要:
In a bipolar plate of a fuel cell and a fabrication method thereof, the bipolar plate of the fuel cell includes a plate; a fluid flowing space formed on both sides of the plate; a fluid guide mesh installed on the fluid flowing space; an inflow path formed on the plate to be connected with the fluid flowing space; and an outflow path formed on the plate to be connected with the fluid flowing space. Also, in the fabrication method, the bipolar plate is fabricated with a certain mold and by a processing method. Accordingly, it is possible to uniformize flux distribution and reduce flow resistance of fuel and air respectively flowing into a fuel electrode and an air electrode of a fuel cell. In addition, reaction area with a M.E.A and diffusion zone can be increased, and fabrication can be simplified and facilitated.
摘要:
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.
摘要:
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.