31results about How to "Strong charge acceptance" patented technology

The invention discloses positive lead plaster for a lead-acid storage battery and a preparation method of the positive lead plaster. The positive lead plaster is characterized by consisting of the following raw materials by weight percent: 7 to 10 percent of 1.4g / ml dilute sulfuric acid, 8 to 12 percent of deionized water, 5 to 20 percent of red lead, 0.1 to 0.4 percent of colloid graphite, 0.1 to 0.3 percent of stannous sulfate, 0.1 to 0.3 percent of anhydrous sodium sulfate, 0.2 to 0.5 percent of 4BS, 0.1 to 0.3 percent of diantimony trioxide, 0.05 to 0.2 percent of polyester short fibers, and the balance being lead powder. After the lead plaster which is prepared by utilizing the formula and the preparation method is prepared into the storage battery, the storage battery has the characteristics of high primary capacity, long service life, good low-temperature performance and good charging capacity.

The invention discloses a graphene lead-carbon battery negative electrode plaster board. The raw materials include: 0.3-0.5% of graphene, 6-10% of lignin, 0.55-0.65% of crude wood fiber, and 0.2% of polyester fiber in terms of mass percentage. ~0.6%, water-based acrylic resin 1~6%, curing agent 0.1~0.6%, carbon nanotubes and carboxylated double-walled carbon nanotubes 0.11~0.14%, diindium trioxide 0.01~0.03%, dispersant 0.2~1% , 10% to 15% of water, and the rest are sponge lead, and the sum of the mass percentages of all raw materials is 100%; the graphene is graphene nano-chips. The graphene lead-carbon battery negative electrode plaster board of the present invention has strong charging acceptance ability; the service life is long; and the graphene lead-carbon battery negative electrode plaster board of the present invention is simple to prepare, does not need high-temperature casting, etc., consumes less energy, and has higher production efficiency High, low comprehensive cost, and has broad market application prospects.

The invention relates to a high-temperature heavy-load negative lead paste for a start-stop battery and a preparation method of the negative lead paste, and belongs to the technical field of electrochemistry. The high-temperature heavy-load negative lead paste for the start-stop battery is prepared from the following components: dilute sulfuric acid with the density rho of 1.38g / mL, deionized water, a high-performance organic additive Expander 1, a high-performance organic additive Expander 2, a conductive polyester staple fiber, barium sulfate, a carbon material additive Carbon A and lead powder. The invention provides the high-temperature heavy-load negative lead paste for the start-stop battery with long service lifetime and deep discharge cycle performance under the partial state of charge and a preparation method of the negative lead paste. The negative electrode produced by the formula can significantly improve sulfation of the negative electrode under the partial state of charge, reduces the electrochemical polarization phenomenon of the battery in the high-temperature deep circulating charge and discharge processes, and improves the conductivity and the electrochemical property of the negative electrode and the thermodynamic structure stability, so that the high-temperature deep discharge cycle lifetime of the negative electrode under the partial state of charge is prolonged.

The invention provides an artificial large-scale cultivation device for porphyra haitanensis shell protonemata. The top of an ultrasonic cleaner is connected to a cover plate, wherein the cover plate is provided with a sprayer on the bottom surface. A storage battery and a power interface are connected to the bottom of a side of the ultrasonic cleaner. The ultrasonic cleaner is connected through a return pipe with a water tank which is connected with a pump through a suction pipe. The pump is connected with the ultrasonic cleaner through a flow pipe. A controlling panel with a display screen and a control switch is disposed on the outside surface of the ultrasonic cleaner. A batten is disposed on an upper end of the ultrasonic cleaner internal wall. The ultrasonic cleaner is connected through the batten with a wooden board provided with rectangle grooves evenly distributed on the surface. Ropes provided with evenly distributed shells are evenly distributed on the bottom surface of the wooden board. The bottom surface of the cover plate is provided with the evenly distributed sprayers whose positions are matched with the rectangle grooves on the wooden board surface. The device can clean shells with an excellent cleaning effect, has the storage battery with distinct performance, and possesses good aging and corrosion resistances.

The invention discloses an energy storage lead-acid battery life-extension liquid and a preparation method thereof. The energy storage lead-acid battery life-extension liquid comprises the following parts of raw materials by weight: 10-16 parts of fosetyl-aluminum, 16-27 parts of dithiothreitol, 6-14 parts of diallyl dimethyl ammonium chloride, 11-15 parts of sodium thioglycolate, 6-12 parts of chromium chloride, 5-10 parts of azelaic acid, and 45-60 parts of water. The energy storage lead-acid battery life-extension liquid of the present invention is compounded by fosetyl-aluminum, dithiothreitol, diallyl dimethyl ammonium chloride, sodium thioglycolate, chromium chloride, sebacic acid and water. The battery prepared by using the energy storage lead-acid battery life-extension liquid hasthe advantages of high cycle life, low capacity decay speed, strong charging acceptance, and the like, and has good social value and economic value; and the preparation method is simple and beneficialto realize industrial production.