Embodiments of the present disclosure disclose a low-cost alkaline secondary battery positive electrode material and a preparation method and application thereof, which belongs to the technical field of alkaline secondary battery. The positive electrode material includes a composite positive electrode material including manganese dioxide and partially oxidized layered hydroxide, etc. The composite positive electrode material prepared by the embodiments of the present disclosure has the advantage of a high discharge platform, or the like, with respect to a conventional manganese electrode, which significantly improves the cycling stability and reversibility of the zinc-manganese alkaline secondary battery.
The present disclosure provides a preparation method of a composite current collector for a zinc secondary battery, a negative electrode plate, and a zinc secondary battery. The preparation method of the composite current collector for the zinc secondary battery comprises: 1) disposing a layer of carbon cloth between two layers of zinc mesh, thermally pressing the two layers of zinc mesh with the carbon cloth, and rolling the two layers of zinc mesh with the carbon cloth to obtain a pressed zinc mesh; 2) soaking the pressed zinc mesh in a graphene dispersion, then taking out and drying the pressed zinc mesh after soaking; and 3) coating two surfaces of the dried pressed zinc mesh with a conductive paste and drying to obtain the composite current collector for the zinc secondary battery.
A low-cost alkaline secondary battery positive electrode material and a preparation method therefor and a use thereof, relating to the technical field of alkaline secondary batteries. The key point of the technical solution is: a low-cost alkaline secondary positive electrode active material is a composite positive electrode material composed of manganese dioxide and layered hydroxide, or a composite positive electrode material composed of manganese dioxide and partially oxidized layered hydroxide, or a composite positive electrode material composed of manganese dioxide and layered oxyhydroxide, or a composite positive electrode material composed of manganese dioxide, a conductive material and layered hydroxide or partially oxidized layered hydroxide or layered oxyhydroxide. Compared with conventional manganese electrodes, the prepared composite positive electrode material has the advantages of high discharge platform, high gram capacity, good cycle stability, etc., the cycle stability and reversibility of a zinc-manganese alkaline secondary battery are remarkably improved, and the cycle service life of the zinc-manganese alkaline secondary battery is prolonged.
H01M 4/36 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs
H01M 4/48 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs d'oxydes ou d'hydroxydes inorganiques
H01M 4/50 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs d'oxydes ou d'hydroxydes inorganiques de manganèse
H01M 4/52 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs d'oxydes ou d'hydroxydes inorganiques de nickel, de cobalt ou de fer
H01M 4/62 - Emploi de substances spécifiées inactives comme ingrédients pour les masses actives, p. ex. liants, charges
The present application relates to the technical field of batteries, and specifically relates to a conductive film for a zinc secondary battery and a preparation method therefor, a composite separator for a zinc secondary battery, and a zinc secondary battery. The conductive film for a zinc secondary battery of the present application comprises a porous polymer film, wherein pores of the porous polymer film are filled with a conductive composition; the conductive composition comprises the following components in parts by weight: 1-10 parts of a conductive agent and 0.1-1 part of an additive; the conductive agent is at least one of graphite, conductive carbon black, acetylene black, graphene, carbon nanotubes, and a copper powder; and the additive is at least one of a tin powder, a tin dioxide powder, a bismuth powder, a bismuth oxide powder, an indium powder, an indium oxide powder, a lead powder, a lead oxide powder, a cadmium powder, and a cadmium oxide powder. The composite separator for a zinc secondary battery of the present application encapsulates the periphery of a battery cell, such that the problem of it not being possible to weld an existing conductive tin-plated copper foil to a battery separator can be solved.
H01B 5/14 - Conducteurs ou corps conducteurs non isolés caractérisés par la forme comprenant des couches ou pellicules conductrices sur supports isolants
H01B 13/00 - Appareils ou procédés spécialement adaptés à la fabrication de conducteurs ou câbles
The present application relates to the technical field of secondary batteries, and particularly relates to a composite current collector for a zinc secondary battery, a preparation method therefor, a negative electrode plate and a zinc secondary battery. The composite current collector for a zinc secondary battery of the present application comprises a substrate and a conductive layer provided on the substrate, and comprises two metal layers and a carbon cloth layer sandwiched between the two metal layers; each metal layer comprises a zinc mesh, and mesh holes of the zinc meshes or carbon cloth are filled with tin; and the conductive layer comprises a conductive polymer and a conductive carbon material. According to the composite current collector for a zinc secondary battery of the present application, the metal layers are made by compositing the zinc meshes and tin, and the carbon cloth is sandwiched between the metal layers, so that corrosion of a zinc negative electrode during use of the battery is fundamentally reduced while ensuring the conductivity of the current collector, and the cycle performance of the battery is greatly improved.
09 - Appareils et instruments scientifiques et électriques
Produits et services
Pedometers; parking meters; face recognition device;
electricity meter; mutual inductor; switches, electric;
electric locks for vehicles; sports eyewear; accumulators,
electric; chargers for electric batteries; batteries for
electronic cigarettes; photovoltaic cells; chargers for
electronic cigarettes; solar batteries; wireless chargers;
rechargeable batteries; lithium-ion batteries; usb chargers;
car battery; audiphone batteries; batteries, electric, for
flashlights; rechargeable power batteries for eletric
vehicles; backup battery pack; battery charger for portable
computers; battery chargers for cellular phones; battery
charger for tablet computer; wireless charger for smart
phones; mobile power (rechargeable battery).
09 - Appareils et instruments scientifiques et électriques
Produits et services
(1) Pedometers; parking meters; face recognition device, namely, smart phones and portable computers; electricity meter; mutual electrical inductor; electric power switches; electric locks for vehicles; sports eyewear; electric accumulators for vehicles, electric; chargers for electric batteries for rechargeable zinc-nickel batteries; batteries for electronic cigarettes; photovoltaic cells; chargers for electronic cigarettes; solar batteries; wireless chargers for tablet computers; rechargeable zinc-nickel batteries; lithium-ion batteries; USB chargers; car battery; audiphone batteries; batteries, electric, for flashlights; rechargeable power batteries for electric vehicles; backup battery pack for use with smart phones and portable computers; battery charger for portable computers; battery chargers for cellular phones; battery charger for tablet computer; wireless charger for smart phones; rechargeable batteries for use with household appliances or medical devices.
09 - Appareils et instruments scientifiques et électriques
Produits et services
Anodes; Accumulator jars; Accumulators, electric; Accumulators, electric, for vehicles; Anode batteries; Batteries for electronic cigarettes; Batteries for lighting; Batteries, electric; Batteries, electric, for vehicles; Battery boxes; Battery jars; Chargers for electric accumulators; Chargers for electric batteries; Charging stations for electric vehicles; Galvanic cells; High tension batteries; Photovoltaic cells; Plates for batteries; Rechargeable batteries; Solar batteries
09 - Appareils et instruments scientifiques et électriques
11 - Appareils de contrôle de l'environnement
21 - Ustensiles, récipients, matériaux pour le ménage; verre; porcelaine; faience
28 - Jeux, jouets, articles de sport
Produits et services
Saws [machines]; Mixing machines; Peeling machines; Juice extractors, electric; Wrapping machines; Dishwashers; Automatic dishwashers; Washing machines [laundry]; Mixers [machines]; Tin openers, electric; Can openers, electric; Blenders, electric, for household purposes; Kitchen machines, electric; Whisks, electric, for household purposes; Fruit presses, electric, for household purposes; Food processors, electric; Kitchen grinders, electric; Vegetable spiralizers, electric; Scissors, electric; Knives, electric; Hand-held tools, other than hand-operated; Electric hand drills; Screwdrivers, electric; Vacuum cleaners; 3D printers; Emergency power generators; Air pumps [garage installations]; Pulverisers [machines]; Atomisers [machines]; Spraying machines. Beard clippers; Hair clippers for personal use, electric and non-electric; Nail clippers, electric or non-electric; Manicure sets, electric; Garden tools, hand-operated; Hand tools, hand-operated; Punches [hand tools]; Instruments for punching tickets. Batteries, electric; Chargers for electric accumulators; Chargers for electrical accumulators; Batteries, electric, for vehicles; Accumulators, electric, for vehicles; Battery jars; Accumulator jars; Battery boxes; Accumulator boxes; Battery chargers; Plates for batteries; Batteries; Electrical batteries; Electric batteries; Anodes; Cathodes; Anode batteries; High tension batteries; Galvanic cells; Galvanic batteries; Accumulators, electric; Photovoltaic cells; Solar batteries; Solar panels for the production of electricity; Chargers for electronic cigarettes; Charging stations for electric vehicles; Batteries for electronic cigarettes; Pedometers; Quantity indicators; Parking meters; Vehicle parking meters; Time recording apparatus; Chronographs [time recording apparatus]; Electronic agendas; Electronic pocket translators; Notebook computers; Tablet computers; Security tokens [encryption devices]; Humanoid robots with artificial intelligence; Monitoring apparatus, other than for medical purposes; Baby monitors; Video baby monitors; Security surveillance robots; Locks, electric; Electric locks; Electrical locks; Door locks (Electric -); Theft prevention installations, electric; Anti-theft warning apparatus; Electric door bells; Door bells (Electric -); Electronic access control systems for interlocking doors; Telephone apparatus; Electro-dynamic apparatus for the remote control of signals; Video telephones; Global Positioning System [GPS] apparatus; Smartphones; Audio- and video-receivers; Sound transmitting apparatus; Electronic book readers; Virtual reality headsets; Loudspeakers; Cabinets for loudspeakers; Horns for loudspeakers; Microphones; Printers for use with computers; Scanners [data processing equipment]; Scanners; Slide projectors; Transparency projection apparatus; Video projectors; Projection screens; Digital photo frames; Mouse [computer peripheral]; Computer keyboards; Devices for the projection of virtual keyboards; Walkie-talkies; Balances [steelyards]; Lever scales [steelyards]; Steelyards [lever scales]; Alarms; Acoustic alarms; Sound alarms; Alarm bells, electric; Thermometers, not for medical purposes. Electric lamps; Lamps; Light bulbs; LED light bulbs; Light bulbs, electric; Sockets for electric lights; Light-emitting diodes [LED] lighting apparatus; Fairy lights for festive decoration; String lights for festive decoration; Cooking utensils, electric; Cooking stoves; Cookers; Cooking apparatus and installations; Hot plates; Autoclaves, electric, for cooking; Pressure cookers, electric; Kettles, electric; Electric cooktops; Air fryers; Refrigerators; Air conditioning; Air-conditioning apparatus; Air-conditioning installations; Fans [air-conditioning]; Hair dryers [for household purposes]; Hair driers; Air purifying apparatus and machines; Air sterilizers; Air sterilizers for household purposes; Air sterilisers; Extractor hoods for kitchens; Electric fans for personal use; Laundry dryers, electric; Laundry dryers, electric, for household purposes; Laundry driers, electric; Radiators [heating]; Showers; Electric showers; Steam facial apparatus [saunas]; Radiators, electric; Taps; Faucets. Corkscrews, electric and non-electric; Bottle openers, electric and non-electric; Toothbrushes, electric; Dustbins; Garbage cans; Refuse bins; Trash cans; Thermally insulated containers for food; Heat-insulated containers for beverages; Insulating flasks; Vacuum bottles; Refrigerating bottles; Heat-insulated containers; Water apparatus for cleaning teeth and gums; Floss for dental purposes. Apparatus for games; Portable games with liquid crystal displays; Toys; Toy vehicles; Remote-controlled toy vehicles; Drones [toys]; Toy robots; Skateboards.
