30 results about "Water-activated battery" patented technology

A leak detection apparatus includes one or more detection devices that envelope the various pipe joints of a liquid circulation cooling system. In one approach, the detection devices include a pair of conductors separated by a wicking material impregnated with a crystalline salt that provides a low resistance electrical path between the conductors in the presence of a leak. In another approach, the detection devices include a pair of dissimilar metal mesh electrodes separated by an electrolyte-impregnated wicking material to form a water-activated battery that energizes an alarm in the presence of a leak. In either case, the electrodes and wicking material may be encased with a water-activated sealing material that hardens in the presence of a leak to contain the leakage.

The invention discloses a magnesium alloy anode material for water activated batteries. Aluminum and gallium are added to melted and cast pure magnesium with the magnesium purity larger than 99.8 percent, wherein the content of the aluminum is from 1 percent to 7 percent, and the content of the gallium is from 0.5 percent to 4 percent. The material can be processed into different shapes by the metal material processing processes, such as casting, extruding, rolling, and the like, has excellent electrochemic property and can be used as a battery material by adopting water as (comprising acidulous water, neutral water and alkaline water) as an electrolyte, using magnesium alloy as an anode material and matching with different cathode materials so as to release needed electric energy. Either a sheet or a plate can be directly used as the magnesium alloy anode material for batteries, and the magnesium alloy anode material for batteries can also be manufactured by matching the extruding process with the rolling process so as to have evener performance and better discharge effect.

A water activated lithium battery cell having a thermal agent component for warming up cell components upon deployment. Also a water-activated battery system that is adapted to operate in and/or on the surface of a waterbody (i.e., a body of water including those which are natural or man made). In various embodiments the battery system comprises an operably breachable hermetic enclosure and at least one lithium battery cell having an open-cathode architecture, the lithium cell disposed inside the hermetic enclosure and therein maintained in an open ionic circuit condition (i.e., an inactive state) throughout battery system storage. Moreover, optionally, a thermal agent may be disposed inside the hermetic enclosure for warming up one or more battery cell components, the agent typically water activated, which is to mean that it (the thermal agent) evolves heat by reacting with water.

The invention discloses a magnesium alloy anode rolled board and a preparing method and application thereof. The preparing method comprises the steps that magnesium, aluminum, lead, zinc and manganeseare put into a graphite crucible, argon is led in, stirred melt is casted in a stainless steel crucible in the a furnace, and an as-cast zinc and manganese modified AP65 magnesium alloy is obtained;under the argon protective atmosphere, the as-cast zinc and manganese modified AP65 magnesium alloy is subject to homogenizing annealing and then water quenching; rollers are preheated and heated, andan AP65 board is subject to intermediate annealing between two adjacent rolling passes, multi-pass hot rolling is carried out, the rolling pressing amount is controlled, and the magnesium alloy anoderolled board is obtained. Through alloying and rolling deforming, the microscopic structure of the AP65 magnesium alloy is regulated and controlled, under the open-circuit electric potential, good corrosion resistance is achieved, hydrogen evolution can be evenly dissolved and restrained through large-current density discharge, the negative discharge potential and the higher current efficiency can be achieved, and the magnesium alloy anode rolled board is suitable for being used a high-power ocean activated battery and magnesium-air battery anode material.

A water detection and alarm system to monitor household plumbing fixtures for leaks. A wick attached to a water activated battery cell connects to a charge accumulator, pulse timer, and audio transducer. The wick draws water from the leak and transports it into the battery cell. A sponge inside the cell absorbs the water and expands, chemically activating the cell, and subsequently providing the electrical energy for the charge accumulator and timer. The timer utilizes the energy stored in the charge accumulator to generate a pulse that drives an audio transducer. No conventional battery is used or required; thus periodic battery replacement is not necessary nor is there a need for a battery monitoring circuit to test for battery depletion.

The invention provides a water-activated, deferred-action battery having a housing containing at least one cell, comprising at least one anode selected from the group consisting of magnesium, aluminum, zinc and alloys thereof; a cathode comprising a skeletal frame including conductive metal and having a portion of its surface area formed as open spaces, and further comprising a heat-pressed, rigid static bed of active cathode material encompassing the skeletal frame, the cathode material comprising basic copper sulfate, said cathode material being compacted and fused to itself and to the skeletal frame under pressure and/or heat, to form a heat-fused, conductive, electrochemically active phase; at least one cavity separating the cathode and the at least one anode, and at least one aperture leading to the at least one cavity for the ingress of an electrolyte-forming, aqueous liquid.

The invention belongs to the field of batteries and particularly provides a water activated battery for a sonde. The water activated battery for the sonde comprises a negative plate and an anode plate, wherein the negative plate is prepared in the way that conductive substances such as graphite acetylene black and the like are added into copper chloride powder and copper wires, or nickel wires, silver wires, titanium wires and the like are used for preparing current collectors, a positive pole leading-out wire is led out to be taken as a positive pole, the anode plate is made of magnesium or magnesium alloy, and a negative pole leading-out wire is led out to be taken as a negative pole; an electric conduction membrane is arranged between the negative plate and the positive plate, and the electric conduction membrane, the negative plate and the positive plate are all adhered together through a conductive adhesive, the negative plate is covered with a proton exchange membrane, the proton exchange membrane and the electric conduction membrane are combined onto the positive plate through seal gum, and the negative plate, the positive plate, the electric conduction membrane and the proton exchange membrane form a battery unit. Therefore, the water activated battery for the sonde, provided by the invention, has the advantages that the water activated battery is suitable for underwater detection equipment, outputs high energy, is pollution-free, good in stability, low in toxicity, and low in cost.

The invention discloses a novel sea-water activated battery. According to the sea-water activated battery, a magnesium alloy sheet serves as a negative pole, and conductive polyaniline serves as a positive pole. A method for rolling the magnesium alloy sheet comprises the steps of casting a sheet material by using AZ33m, carrying out pretreatment on the sheet material, starting up a heating roller kiln, carrying out kiln heating on stock, carrying out primary rolling at the rolling roller temperature of 150 DEG C to 200 DEG C after heating-up and heat insulation time which is 1.5 to 2 hours in all, carrying out heat preservation for 0.5 to 0.8 hour after rolling, lowering the temperature of the heating roller kiln by 5 DEG C to 10 DEG C after every rolling, carrying out cutting along a rolling direction after 3 to 6 times of rolling, carrying out melt-down heating, and carrying out rolling along a direction vertical to the rolling direction until the thickness of the sheet reaches 2mm to 5mm. The novel sea-water activated battery provided by the invention has the characteristics of high voltage and high current, thereby having an extremely extensive application prospect.

The invention relates to a water-activated battery capable of being directly contacted with human skin, which comprises a non-woven fabric base material, a current collector, a positive electrode, a negative electrode and a non-woven fabric packaging layer, wherein the current collector is arranged on the surface of one side of the non-woven fabric base material, the positive electrode and the negative electrode are arranged on the current collector, the positive electrode and the negative electrode are not contacted with each other, and the non-woven fabric packaging layer covers the upper layer. The invention also discloses a preparation method and an application method of the water-activated battery.

A water-activated cell comprises an acidic medium including an acidic substance and having a first electrode disposed therein, a basic medium including a basic substance and having a second electrode disposed therein, which basic medium is disposed adjacent to or near the acidic medium, a first reaction substance including a first active material that causes an oxidation reaction at the first electrode, a second reaction substance including a second active material that causes a reduction reaction at the second electrode, and a water-injecting device for injecting water or an aqueous solution into an area where the acidic medium, the basic medium, the first reaction substance, and the second reaction substance exist together, so as to initiate a discharging reaction by the acidic substance, the basic substance, the first active material, and the second active material.

The invention belongs to the technical field of road sign electronic equipment, and specifically provides an intelligent safety guide light, which includes a device body, a motor device, a water-activated battery, a water tank, a tank cover, an LED lamp post, a lamp tube, a battery, a water level sensor, a processor, There are two solar panels on the left and right sides of the water tank, which are respectively fixedly connected to the two ends of the water activation battery. The tank cover also has two left and right sides, and the tank cover is fixedly connected to the motor device located in the middle of the device body through the transmission device. Inside the tube, the motor device, water-activated battery, LED lamp post, battery, water level sensor, and solar panel are all electrically connected to the processor. The present invention arranges multiple devices on both sides of the road. Once the road is flooded, the rainwater activates the battery to generate Electric energy is connected to the LED lamp post to generate light beams and create a road sign to guide pedestrians, vehicles, etc. to safely pass through flooded areas to reduce traffic accidents caused by rainfall.

The invention discloses an aviation inflatable life jacket. The aviation inflatable life jacket comprises a water activated battery, a positioning lamp, a first pull rope, a first gas blow pipe, a first CO2 steel cylinder, a first airbag, a second airbag, a second CO2 steel cylinder, a second gas blow pipe, a second pull rope, a whistle, a waistcoat and a waterproof zipper. According to the aviation inflatable life jacket, the waistcoat made of a composite material replaces belts and belt buckles of a traditional life jacket, the waistcoat is soft in appearance and is integrally similar a traditional waistcoat, the waistcoat is more suitable for dressing concept of a person than the belts and the belt buckles, and the person unfamiliar with the life jacket can even rapidly wear the aviation inflatable life jacket correctly. The composite material contains polyurethane so that the waistcoat possesses very high elasticity, and therefore, a problem that an existing life jacket is difficult to wear is solved. When a user falls into water, the waistcoat can tightly coat the body of a drowning person by means of the elasticity of the composite material with high heat resistance so as tostop the heat from being transmitted from the human body to the water to be very great degree and protect the body temperature of the drowning person; and therefore, a problem that the existing life jacket cannot protect the body temperature of the drowning person is solved.

The invention discloses a water battery, comprising: a positive electrode plate, a negative electrode plate and water, the positive electrode plate and the negative electrode plate are arranged at intervals, atomized water is passed between the positive electrode plate and the negative electrode plate or the positive electrode plate and the negative electrode plate are immersed in water, The negative plate is a pure aluminum plate, the positive plate is a conductive mesh bonded with synthetic carbon paste, and both sides of the conductive mesh are coated with synthetic carbon paste. The water battery of the present invention ensures the high discharge efficiency of the battery through the treatment of the battery electrodes, has a good battery life, and is not easy to age. By canceling the separator structure and directly replacing it with water, the structure is simplified, the cost is reduced, and the capacity and specific power of the battery are improved. , to ensure a long service life of the battery and can be safely discarded without polluting the environment.

Systems and methods of the present disclosure include a vehicle water detection system that includes a housing configured to be disposed within a vehicle. The vehicle water detection system also includes a water-activated battery disposed within the housing and configured to produce an electrical voltage upon contact with water. The vehicle water detection system further includes an electronic circuitry disposed within the housing and configured to detect a water event occurring in the vehicle based at least in part on the electrical voltage.

A Water Activated Battery characterized by

a) At least one anode selected from the group consisting of magnesium, aluminum, zinc and alloys thereof;

b) A cathode comprising at least one basic copper salt comprising Cu(OH)₂ combined with a copper salt CuX (with (n−1) the molar ratio between the CuX and the Cu(OH)₂ in the basic copper salt), such that a discharge reaction in saline versus a Mg anode could be written nMg+Cu(OH)₂.(n−1)CuX=Mg(OH)₂+(n−1)MgX+nCu) on a skeletal frame, the cathode further comprising a non-hygroscopic soluble, ionically conductive material;

c) at least one cavity separating said cathode and said at least one anode; and

d) at least one aperture leading to said at least one cavity for the ingress of an electrolyte-forming, aqueous liquid.

The invention relates to a multi-working-condition design method of a gas-liquid separator for a water-activated battery. The method comprises the steps of determining the main geometric parameters ofthe gas-liquid separator through a corresponding calculation method, wherein the main geometric parameters comprise a liquid inlet diameter D1; the gas outlet diameter D2, the separator base circle diameter D3, the separator barrel length L1 and the like, and meanwhile, matching the installation depth of the flow guide disc and the barrel to adopt a small taper angle form, so that the stability of a gas cavity of the gas-liquid separator can be effectively improved, and the gas-liquid separation is more thorough. The prepared enterprise separator has the good gas-liquid separation performance, the energy loss in the separator can be effectively reduced through experimental verification, the pressure drop is small, and high separation efficiency is achieved under different flow working conditions.

A Water Activated Battery characterized by

• • a) At least one anode selected from the group consisting of magnesium, aluminum, zinc and alloys thereof;
  • b) A cathode comprising at least one basic copper salt comprising Cu(OH)₂ combined with a copper salt CuX (with n−1 the molar ratio between the CuX and the Cu(OH)₂ in the basic copper salt), such that a discharge reaction in saline versus a Mg anode could be written nMg+Cu(OH)_2.(n-1)CuX=Mg(OH)₂+(n−1)MgX+nCu) on a skeletal frame, the cathode further comprising a soluble, ionically conductive material;
  • c) at least one cavity separating said cathode and said at least one anode; and
  • d) a housing surrounding said at least one anode, cathode and cavity;
  • (e) a lower aperture at the base of the housing for ingress of water and for expelling of heavier than water products of post immersion reaction, and
  • (f) an upper aperture located near top of the housing for venting hydrogen generated by the post immersion reaction,
  • wherein the upper aperture is positioned below the top of housing to create a cavity to provide a void for trapping hydrogen, so that hydrogen is only expelled from the cavity via the upper aperture after a quantity has accumulated, and is expelled in bubbles having a diameter of at least one millimeter.

Provided is a preparation method of a bimetallic strip of a magnesium alloy and a silver-plated copper foil. By using the method, a thicker magnesium alloy plate and the silver-plated copper foil canbe firmly welded, so that the problem of short discharging time of a battery caused by reaction hole etching of a magnesium alloy negative electrode of the water-activated battery is solved. Accordingto the preparation method of the bimetallic strip of the magnesium alloy and the silver-plated copper foil, the magnesium alloy is welded to the silver-plated copper foil at the welding temperature of 380-400 DEG C; the welding temperature provides proper energy for atomic diffusion, atomic diffusion is sufficient, large-grain grain boundaries migrate out of an initial connection position, commoncrystal grains are generated between the connecting grain boundaries, the good diffusion welding joint tissue is generated, welding is firm, the grain growth and diffusion are uniform under the temperature, the magnesium alloy is uniform in surface reaction when used as the negative electrode, battery failure due to hole etching is avoided, and the battery can be discharged for a long time, so that the working time of the long-service-life seawater battery is prolonged to 9 h from the original 5h.

The invention relates to an underwater energy guarantee device, which comprises a remote communication module, a path analysis module, a power consumption identification module, a shelter identification module, an ocean current judgment module and a target selection module which are arranged in a ground intelligent management system, the long-distance communication module is used for establishing long-distance communication connection with the unmanned underwater vehicle and the underwater preset energy shelter; the plurality of underwater preset energy shelters are respectively put at different underwater positions, and the underwater preset energy shelters comprise various water-activated batteries with different capacities; and the target selection module is used for selecting a matched underwater preset energy shelter for the unmanned underwater vehicle in a power shortage state. According to the invention, a hierarchical selection mechanism can be adopted to select the underwater preset energy shelter with electric quantity information matching, positioning information matching and ocean current information matching for each unmanned underwater vehicle in a power shortage state, so that the individual charging demand of the power shortage unmanned underwater vehicle and the overall energy-saving demand of the underwater energy guarantee device are both considered.

The invention discloses a powder mixture for a water activated battery. The powder mixture for the water activated battery is prepared from the following raw materials in parts by mass: 60 to 75 partsof manganese dioxide, 5 to 15 parts of acetylene black, 10 to 20 parts of zinc chloride, 1 to 5 parts of barium sulfate, and 1 to 5 parts of CMC. The powder mixture for the water activated battery has the beneficial effects that (1) an electrode material of the water activated battery manufactured by the invention can be beneficial to improving the storage life of the water activated battery, andreducing the occurrence rate of the phenomena of liquid leakage and failure caused by self-loss of the battery; (2) meanwhile, the powder mixture is convenient to produce and manufacture without generating pollutants, and easy to recycle; (3) a power supply performance is stable.