Abstract:
Provided are a bimolecular block polymer and an electrolyte and an electrical double layer capacitor containing the same. The bimolecular block polymer is suitable for an electrolyte of a capacitor, and is formed by polymerizing a first compound and a second compound. The first compound is represented by one of formula (A-1) to formula (A-4). The second compound is represented by one of formula (B-1) to formula (B-5). A molar ratio of the first compound to the second compound is between 5:1 and 1:5.
Abstract:
A microwave heating method and a microwave heating device are provided. The microwave heating method includes the following steps. An electric field mode distribution at each frequency point generated by the microwave outputted from each input port of the heating chamber is calculated. A frequency, phase, and power of the microwave outputted from each input port are changed to generate a corresponding electric field mode distribution. The electric field mode distributions generated by the input ports are synthesized into a synthesized electric field mode distribution. A power density distribution is calculated. It is calculated whether spatial uniformity of the power density distribution is greater than a target value. The controller heats the object to be heated through the microwave corresponding to the frequency, phase, and power emitted by the microwave transmitter corresponding to each input port.
Abstract:
An operating method of microwave heating device is provided, in which a holder is disposed in a heating chamber, and a plurality of microwave transmitters are arranged outside the heating chamber. A plurality of half-wave-rectified power supplies are provided to connect the microwave transmitters, and the half-wave-rectified power supplies have capacitances respectively. A plurality of longitudinal waveguides and a plurality of transverse waveguides are installed in between the heating chamber and the microwave transmitters. The capacitance of each of the capacitors of the half-wave-rectified power supplies is adjusted, such that the microwave power pulse bandwidth of the microwave transmitters are extended to produce a plurality of overlapped couplings, thereby multiplying microwave mode numbers. The half-wave-rectified power supplies supply power to the microwave transmitters, so that the microwaves are guided into the heating chamber by the longitudinal waveguides and the transverse waveguides for exciting multiple microwave modes in the heating chamber so as to achieve the goal of uniform microwave heating.
Abstract:
A modular microwave power supply comprises a plurality of microwave power supply modules and a plurality of isolating diodes. To upgrade the output power of the modular microwave power supply, the plurality of microwave power supply modules are connected isolatively in common to a magnetron load by the plurality of isolating diodes, such that power combining of the plurality of microwave power supply modules is achieved, and the efficiency as well as the accumulated-heat dissipating ability of the modular microwave power supply are as good as each of the plurality of microwave power supply modules.
Abstract:
A multi-mode microwave heating device includes a heating chamber, a plurality of microwave transmitters, a plurality of longitudinal-polarized rectangular waveguides, a plurality of transverse-polarized rectangular waveguides, and a plurality of half-wave-rectified power supplies. The heating chamber has a holder for holding a to-be-heated object. The holder is connected to a rotating and an elevating mechanism. The microwave transmitters are connected to the heating chamber through the longitudinal-polarized rectangular waveguides as well as connected to the transverse-polarized rectangular waveguides for transmitting microwaves into the heating chamber and to excite multiple cavity modes of the heating chamber, so as to achieve uniform microwave heating. An industrial three-phase alternating current (AC) power source offers multi-phased electricity to the half-wave-rectified power supplies, by which the microwave transmitters are powered, such that the multiple modes are decoupled and uniform microwave heating are achieved.
Abstract:
A method of repairing defect in a superconducting film, a method of coating a superconducting film, and a superconducting film formed by the method are prepared. The method of repairing defect includes detecting the superconducting film during a manufacturing process thereof. When a defect therein is detected, a repairing structure with superconductivity is formed on a position of the defect.
Abstract:
A method of manufacturing a current collector of an energy storage device includes the following. A substrate is provided. A modified layer is formed on the substrate using a microwave plasma chemical vapor deposition process. The modified layer includes nanographene and has a thickness of 1 nm to 500 nm. In the microwave plasma chemical vapor deposition process, a microwave frequency is 300 MHz to 300 GHz, a microwave power is 500 W to 75000 W, a temperature is 25° C. to 600° C., and a deposition time is less than 30 minutes. The microwave plasma chemical vapor deposition process includes the following. Inert gas or stable gas is passed in. Hydrocarbon gas and hydrogen are passed in. Microwaves are applied to generate plasma. The hydrocarbon gas and the hydrogen are ionized. Nanographene is formed on the substrate.
Abstract:
A graphene nanowalls (GNW), a manufacturing method thereof, an electrode and a supercapacitor are provided. The manufacturing method of a graphene nanowalls includes: placing a substrate in a microwave plasma apparatus; introducing a hydrocarbon gas and inert gas; and forming a graphene nanowalls on the substrate. The microwave plasma apparatus provides microwave frequency of less than 1 GHz.
Abstract:
Provided is a focalized microwave plasma reactor. The reactor utilizes a cylindrical microwave resonant cavity of the quasi-TM011 mode to focalize microwave power and to excite focalized microwave plasma for the processes of microwave plasma enhanced chemical vapour depositions.
Abstract:
A modular microwave power supply comprises a plurality of microwave power supply modules and a plurality of isolating diodes. To upgrade the output power of the modular microwave power supply, the plurality of microwave power supply modules are connected isolatively in common to a magnetron load by the plurality of isolating diodes, such that power combining of the plurality of microwave power supply modules is achieved, and the efficiency as well as the accumulated-heat dissipating ability of the modular microwave power supply are as good as each of the plurality of microwave power supply modules.