Abstract: A method for manufacturing a humidity alarm device based on laser-induced graphene is performed as follows. Carbon-based films are coated with a hydroxide ion-containing solution and processed by a laser device to generate hydrophilic graphene layers. The hydrophilic graphene layers are peeled off from the carbon-based films, wetted, and respectively wrapped around shaping rods varying in diameter. The wrapped rods are heated and shaped by a drying oven to obtain curled graphene switches. Each curled graphene switch is connected in series with an alarm lamp to form an alarm component. The alarm components are connected in parallel, and then connected to a positive terminal and a negative terminal of a power supply to form the humidity alarm device.

Abstract: Various aspects include a circuit having a single-rail static-operation global data line of a synchronous random access memory (SRAM). The circuit can include one or more automatic three-state drivers coupled to the single-rail static operation global data line of the SRAM. The circuit can include one or more sense amplifiers coupled to the one or more automatic three-state drivers. The circuit can include a latch coupled to the single-rail static-operation global data line. Some embodiments can include a method for operating a global data line of a multi-array SRAM. The method can include connecting a single-rail static-operation global data line of the SRAM to one or more automatic three-state drivers of the SRAM, and operating the one or more automatic three-state drivers without a gating signal. The method can include operating the single-rail global data line of the SRAM with a static signal.

Abstract: A method for manufacturing a humidity alarm device based on laser-induced graphene is performed as follows. Carbon-based films are coated with a hydroxide ion-containing solution and processed by a laser device to generate hydrophilic graphene layers. The hydrophilic graphene layers are peeled off from the carbon-based films, wetted, and respectively wrapped around shaping rods varying in diameter. The wrapped rods are heated and shaped by a drying oven to obtain curled graphene switches. Each curled graphene switch is connected in series with an alarm lamp to form an alarm component. The alarm components are connected in parallel, and then connected to a positive terminal and a negative terminal of a power supply to form the humidity alarm device.

Abstract: The present disclosure provides a button cell and an electronic device. The button cell includes a case, a cell, a conductive member arranged on the case and connected to the case in an insulated manner, and a liquid injection port for injecting an electrolyte solution into an accommodating cavity. A cell is placed in an accommodating cavity of a bottom shell. A first tab is welded to an inner bottom wall of the bottom shell, and then the top cover having the conductive member is connected to the bottom shell in a sealed manner, with a second tab on the cell being electrically connected to the conductive member. Finally, an electrolyte solution is injected into the accommodating cavity. After the electrolyte solution is injected, a sealing member covers the liquid injection port, and the sealing member is connected to the liquid injection port in a sealed manner.

Abstract: The present application provides a lithium supplementing apparatus and a lithium supplementing method, which can efficiently perform lithium supplementing on a battery. The lithium supplement apparatus includes: a plurality of calendering devices for respectively transferring lithium on a plurality of lithium strips to a plurality of first regions distributed on a coating device in a first direction, the first direction being a width direction of a first electrode plate to be subjected to lithium supplementing; the coating device for respectively coating the lithium of the plurality of first regions onto a plurality of second regions corresponding to the plurality of first regions on the first electrode plate; and a segmenting device for segmenting the first electrode plate according to the plurality of second regions, so as to form a plurality of segmented second electrode plates.

Abstract: This application discloses a lithiation device for applying a lithium film on an electrode plate. The lithiation device includes: a rolling mechanism including a first roller and a second roller, the two rollers configured to roll the electrode plate and the lithium film to apply the lithium film on the electrode plate; an adjustment mechanism connected to the rolling mechanism and configured to adjust a gap and/or a rolling force between the first roller and the second roller; a first monitoring mechanism configured to monitor a length of the electrode plate after the electrode plate passes through the rolling mechanism; and a controller configured to control the adjustment mechanism based on a comparison result of the length monitored by the first monitoring mechanism and a target length so that the length of the electrode plate after the electrode plate passes through the rolling mechanism approximates to the target length.

Abstract: A negative electrode plate, a lithium-ion battery and an apparatus are disclosed. The negative electrode plate includes a negative electrode current collector, a negative electrode active material layer including a negative electrode active material and disposed on at least one surface of the negative electrode current collector, and a lithium-replenishing layer disposed on a surface of the negative electrode active material layer away from the negative current collector. The negative electrode plate can effectively ameliorate the problem of plate heating, and channels formed by the lithium-replenishing region and the gap region can enable the lithium-ion battery to be effectively impregnated with the electrolyte after electrolyte injection is performed to the lithium-ion battery, thereby improving the energy density of the battery while also improving the service life and kinetic performance of the battery.

Abstract: Disclosed are a route discovery method and apparatus, a device, and a storage medium. This method includes: receiving a route request packet that is broadcast to a current node; determining whether it is the first time that the current node receives the route request packet; if yes, evaluating, based on link overheads and retransmission overheads, performance of a real-time route and a historical route to obtain an evaluation result; and if the evaluation result indicates that the real-time route is better than the historical route, updating a reverse route of the current node based on the real-time route, to discover a route between a source node and a destination node based on the updated reverse route of the current node. Therefore, link overheads and retransmission overheads are considered in an AODV route discovery process, so that a discovered route has more balanced forward and reverse transmission performance.

Abstract: A device for supplementing an electrode sheet with lithium and a method for supplementing electrode sheet with the lithium. The device includes two first rolling wheels, a second rolling wheel, a lithium ribbon providing mechanism, a first transfer film conveying mechanism, a second transfer film conveying mechanism and an electrode sheet providing mechanism; the two first rolling wheels are opposite each other, and the second rolling wheel is adjacent to the first rolling wheel; the lithium ribbon providing mechanism is used for feeding a lithium ribbon between the second rolling wheel and the first rolling wheel; the first transfer film conveying mechanism is used for conveying a first transfer film carrying a first release agent and transferring the first release agent to the lithium ribbon; the electrode sheet providing mechanism is used for providing the electrode sheet.

Abstract: The present application provides a treatment method and device for a waste plastic. A first aspect of the present application provides a treatment method for a waste plastic, including: firstly subjecting the waste plastic to a first pre-treatment to remove impurity and grease on a surface of the waste plastic, then subjecting the waste plastics to a second pre-treatment to convert a solid waste plastic into one in flow state; and finally, subjecting the waste plastic in flow state to a first cracking treatment and a second cracking treatment in sequence. Through the method provided in the present application, while cracking the waste plastic, chlorine element in the waste plastic may be removed by a multi-stage adsorption, which reduces chlorine content in the cracked oil, reduces pressure and burden in subsequent refining, and meets the limitation of the chlorine content in cracked products in downstream processes.

Abstract: Embodiments of the present invention provide a housing assembly of button cell, a button cell and an electronic product. The housing assembly of button cell includes: a housing and a conductive part, the housing having a holding cavity that is capable of holding a cell of the button cell, the cell having a first tab and a second tab, the housing being provided with a through hole, the conductive part being positioned at and blocking the through hole, and the conductive part and the through hole being sealed and insulated; where, the number of the conductive part is one or two, and when the number of the conductive part is two, the housing is provided with two through holes, where the conductive parts correspond to the through holes one by one. It is beneficial to improving sealability of the housing assembly of button cell.

Abstract: Embodiments of the present invention provide a housing assembly of button cell, a button cell and an electronic product. The housing assembly of button cell includes: a housing and a conductive part, the housing having a holding cavity that is capable of holding a cell of the button cell, the cell having a first tab and a second tab, the housing being provided with a through hole, the conductive part being positioned at and blocking the through hole, and the conductive part and the through hole being sealed and insulated; where, the number of the conductive part is one or two, and when the number of the conductive part is two, the housing is provided with two through holes, where the conductive parts correspond to the through holes one by one. It is beneficial to improving sealability of the housing assembly of button cell.

Abstract: A water dispenser for pets includes a water tank for receiving a liquid, a drainage assembly arranged in the water tank, a fan blade rotatably received in the drainage assembly for driving the liquid in the water tank to flow out through the drainage assembly, and a driving assembly arranged outside the water tank and configured for driving the fan blade to rotate through magnetic force.

Abstract: The present application provides a composite current collector, including: an organic support layer having an air permeability greater than or equal to 50 s/100 mL; and an electrically conductive layer arranged on one surface of the organic support layer. In this way, the organic support layer can also be used as a separator, thereby increasing the volumetric energy density of a secondary battery using the composite current collector.

Abstract: Embodiments of the present invention provide a housing assembly of button cell, a button cell and an electronic product. The housing assembly of button cell includes: a housing and a conductive part, the housing having a holding cavity that is capable of holding a cell of the button cell, the cell having a first tab and a second tab, the housing being provided with a through hole, the conductive part being positioned at and blocking the through hole, and the conductive part and the through hole being sealed and insulated; where, the number of the conductive part is one or two, and when the number of the conductive part is two, the housing is provided with two through holes, where the conductive parts correspond to the through holes one by one. It is beneficial to improving sealability of the housing assembly of button cell.

Abstract: The lithium film forming mechanism includes a first separator providing mechanism, a second separator providing mechanism, a lubricating substance applying mechanism, a lithium ribbon providing mechanism and two rollers; the first separator providing mechanism provides a first separator for the two rollers; the second separator providing mechanism provides a second separator for the two rollers; the lithium ribbon providing mechanism locates a lithium ribbon between the first separator and the second separator and provides the lithium ribbon for the two rollers; the lubricating substance applying mechanism applies lubricating substances to surfaces, facing the lithium ribbon, of the first separator and/or the second separator before entering the space between the two rollers; and the two rollers roll the first separator, the lithium ribbon and the second separator, to roll the lithium ribbon into lithium foil and make the lithium foil adhere to the second separator to form the lithium film.

Abstract: An electrode plate forming apparatus includes an unwinding device, a lithium replenishment device, a plurality of winding devices and a protection device. The lithium replenishment device is configured to clad a lithium strip to a surface of a master electrode plate body and form a master electrode plate. A slitting device is configured to slit the master electrode plate into a plurality of electrode plates. The winding devices are configured to pull the electrode plates to travel, each of the winding devices winding one corresponding electrode plate. The slitting device is disposed in an accommodating cavity of the protection device. The protection device is configured to at least partially separate particles from an external environment in a case that the slitting device slits the master electrode plate and generates the particles.