摘要:
A membrane electrode includes a first electrode, a second electrode, and a proton exchange membrane sandwiched between the first electrode and the second electrode. The first electrode includes a first gas diffusion layer and a first catalyst layer. The second electrode includes a second gas diffusion layer and a second catalyst layer. The first catalyst layer or the second catalyst layer includes a carbon nanotube-metal particle composite including carbon nanotubes, polymer layer, and metal particles. The polymer layer is coated on a surface of the carbon nanotubes and defines a plurality of pores uniformly distributed; the metal particles are located in the pores. A fuel cell including the membrane electrode is also disclosed.
摘要:
A method for electrochemically converting a carbon dioxide gas into expected products includes using a member reactor. In the method, a membrane reactor includes a cavity, a solid electrolyte membrane separator, a cathode, an anode, and a fuel cell is provided. A cathode electrolyte and the carbon dioxide gas are passed through the cathode, and an anode electrolyte and an anode active material are passed through the anode chamber at the same time. An electrolytic voltage is applied to decompose the carbon dioxide gas into expected products. The expected products include a hydrogen gas and an oxygen gas which are fed back to the fuel cell to generate electric power.
摘要:
A membrane reactor used for electrochemically converting a carbon dioxide gas into an expected product includes a cavity, a solid electrolyte membrane separator, a cathode, an anode, and a power source. The solid electrolyte membrane separator is disposed in the cavity and divides the cavity into two chambers defined as a cathode chamber and an anode chamber. The cathode is disposed in the cathode chamber, and the anode is disposed in the anode chamber. The cathode is a trickle bed structure including a porous conductive layer and cathode particles disposed on the porous conductive layer. The power source is disposed outside the cavity to provide an electrolytic voltage.
摘要:
A membrane reactor used for electrochemically converting a carbon dioxide gas into an expected product includes a cavity, a solid electrolyte membrane separator, a cathode, an anode, and a fuel cell. The solid electrolyte membrane separator is disposed in the cavity and divides the cavity into two chambers defined as a cathode chamber and an anode chamber. The cathode is disposed in the cathode chamber, and the anode is disposed in the anode chamber. The fuel cell is disposed outside the cavity to provide an electrolytic voltage. The fuel cell includes a fuel inlet, an oxidant inlet, and a reaction product outlet. The expected product includes a hydrogen gas and an oxygen gas. The hydrogen gas used as a fuel is fed in the fuel inlet, and the oxygen gas used as an oxidant is fed in the oxidant inlet for the fuel cell to produce electrical power.
摘要:
A hybrid power supply system includes a number of power modules electrically connected with each other in series. Each power module includes a fuel cell unit and a lithium-ion battery unit. Each fuel cell unit includes at least two fuel cell monomers electrically connected with each other in series. Each lithium-ion battery unit includes one or more lithium ion battery monomers electrically connected with each other in parallel. Each fuel cell unit is electrically connected with each lithium-ion battery unit in parallel to directly charge the lithium-ion battery unit.
摘要:
A method for making a carbon nanotube based composite is provided. In the method, carriers, solution containing metal ions, and a carboxylic acid solution are mixed to form a mixed solution containing a complex compound. A reducing agent is added into the mixed solution. The metal ions are reduced to metal particles absorbed on the surface of the carriers. The carriers having the metal particles absorbed thereon are purified to obtain the carbon nanotube based composite.
摘要:
The instant disclosure illustrates a light distance-adjustable vehicle lamp including a lens unit, a light emitting group and a datum axis. The lens unit includes a first focus, a second focus, a lens focus and an optical axis. The light emitting group includes a first light emitting unit and a second light emitting unit. The first light emitting unit includes a first light source center, a first axis and a first light emitting surface, the first light emitting unit corresponds to the first focus of the lens unit. The second light emitting unit includes a second light source center, a second axis and a second light emitting focus. The datum axis passes through the lens focus and the second light emitting unit.
摘要:
The present invention provides microRNAs for assessing the status of pancreatic cancer in a subject, and provides methods, kits, and biochips for detecting said microRNAs.
摘要:
Technologies for generating composable library functions include a first computing device that includes a library compiler configured to compile a composable library and second computing device that includes an application compiler configured to compose library functions of the composable library based on a plurality of abstractions written at different levels of abstractions. For example, the abstractions may include an algorithm abstraction at a high level, a blocked-algorithm abstraction at medium level, and a region-based code abstraction at a low level. Other embodiments are described and claimed herein.
摘要:
A method and apparatus for acquiring a nanostructured coating on a metal surface by using an intense shock wave generated by continuous explosion of a laser-induced plasma is provided. The method comprises: irradiating a laser beam on a black paint surface of an upper opening of a high pressure resistant glass pipe having a black paint strip arranged therein; the black paint absorbing the light energy and producing a plasma; generating an initial plasma explosion shock wave; transmitting the initial plasma explosion shock wave in the high pressure resistant glass pipe; generating a plasma cloud reaching a lower opening of a glass catheter; and, the shock wave pressure outputted embedding nanoparticles into a surface of a workpiece. The apparatus comprises the high pressure-resistant glass pipe with a zigzagging switchback shape or a spiral and inverted cone shape.