232results about "Deferred-action cells" patented technology

A method for controlling a system including a heat pump, a space heater, a space cooler, a thermal battery, an electrical battery and a grid access system, the method including turning on at least one of discharging of the thermal battery and discharging of the electric battery, if a hot water demand exists; turning on at least one of the heat pump, charging of the thermal battery, charging of the electric battery and discharging of the electric battery, if a space heating demand exists; turning on charging of the thermal battery, if a space cooling demand exists; and backfeeding electricity from the electric battery to a grid through the grid access system, if electricity sale is desired.

The present invention provides a simulation method, a simulation device, and a simulation program. A method for simulating a cell in which the electrolyte is a molten salt, the simulation method involving simulating the behavior of the cell and including a process for raising the temperature of the molten salt.

The invention discloses an N-type gel ionic thermal battery, a quasi-solid gel electrolyte and a preparation method of the quasi-solid gel electrolyte, and belongs to the technical field of thermal regeneration batteries. The preparation method comprises the following steps: fully soaking polyacrylamide hydrogel in an electrolyte containing [Cu (NH3) 2] < + > / [Cu (NH3) 4] < 2 + > redox couple to obtain the quasi-solid gel electrolyte. And preparing the N-type gel ionic thermal battery by using the quasi-solid gel electrolyte. According to the prepared N-type gel ion thermal battery, the thermoelectric conversion performance such as thermoelectric potential and output power is remarkably improved through the synergistic effect of solvated structure entropy change generated by the oxidation-reduction reaction of the copper ammonia complex reaction couple and the quasi-solid gel electrolyte. The problems that research and development of an existing N-type gel ion thermal battery focuses on physical performance regulation and control of a gel matrix, thermoelectric contribution of an oxidation-reduction reaction cannot be effectively enhanced, and improvement of the Seebeck coefficient and the power density is limited can be effectively solved.

The invention provides a double-layer double-high type electrode, a reserve lithium battery and a preparation method thereof, the double-layer double-high type electrode comprises a current collector, a first active layer and a second active layer, the first active layer is located between the current collector and the second active layer, the first active layer contains an energy type active material, and the second active layer contains an energy type active material. The second active layer contains a pre-charged power type active material, and the open-circuit voltage difference between the energy type active material and the pre-charged power type active material is less than or equal to 0.5 V. The invention provides the double-layer double-high type electrode for the reserve lithium battery, which is quick in activation, high in energy density and good in rate capability, an efficient conductive network is constructed, and the discharge performance of the battery is improved; the porosity of the second material layer is regulated to be greater than that of the first material layer, and the seepage flow guide grooves are dug in the surface of the second material layer, so that the electrolyte infiltration rate of the electrode is improved, and the activation time is shortened.

The invention discloses an ion thermoelectric gel battery as well as a preparation method and application thereof. The ion thermoelectric gel battery comprises a metal electrode, ion gel and a carbon electrode which are arranged in sequence, the ionic gel comprises the following components: a gel matrix and an oxidation / reduction couple. According to the ion thermoelectric gel battery, the organic matrix is used as the gel matrix, the oxidation / reduction couple is added, and the concentration and proportion of the oxidation / reduction couple are adjusted, so that the thermoelectric chemical effect can be improved, and high ion thermoelectric potential and high output power density can be obtained. The metal carbon asymmetric electrodes are used, the in-situ micro primary battery effect and the coupling enhanced thermoelectric chemical effect are introduced, the output voltage, the current density and the output power density of the ionic thermal battery are improved, the output power density can reach 1.6 W m <-2 > under the temperature difference of 4K, and the ionic thermal battery has good thermoelectric conversion performance.

A device is configured to be administered via an oral route by a subject. The device includes an anode, a seal disposed on the anode, and a cathode. When exposed to a liquid or a hydrogel, an exposed surface of the anode undergoes galvanic oxidation dissolution to provide DC power to the device. As the exposed surface of the anode undergoes galvanic oxidation dissolution, the seal incrementally detaches from the anode, and a substantially constant surface area of the exposed surface is maintained.

The invention discloses an alloy negative electrode material, a preparation method thereof and a prepared fluorine ion thermal battery, rare earth metal and high-activity metal are alloyed through a metallurgical technology to obtain the uniform and stable alloy negative electrode material, and the alloy negative electrode material is applied to the fluorine ion thermal battery. In the obtained alloy material, through the synergistic effect of rare earth metal and active metal components, a fluorine ion rapid transmission network is constructed in situ in a metal negative electrode, the negative electrode ionic conductivity is improved, a passivation layer formed on a negative electrode electrolyte interface after single active metal is discharged is overcome, and the utilization rate of the metal negative electrode material is effectively improved; and the discharge performance of the fluorine ion thermal battery is further improved.

The invention relates to a power unit comprising a series of droplets, a method of producing such a power unit, a method of activating such a power unit, an active power unit obtainable from the power unit, a device comprising the power unit or active power unit, a method of generating electric current using the power unit or active power unit, and method of modulating the activities of one or more cells or tissues using the power unit or active power unit.

Systems and methods of the various embodiments may provide metal air electrochemical cell architectures. Various embodiments may provide a battery, such as an unsealed battery or sealed battery, with an open cell arrangement configured such that a liquid electrolyte layer separates a metal electrode from an air electrode. In various embodiments, the electrolyte may be disposed within one or more vessel of the battery such that electrolyte serves as a barrier between a metal electrode and gaseous oxygen. Systems and methods of the various embodiments may provide for removing a metal electrode from electrolyte to prevent self-discharge of the metal electrode. Systems and methods of the various embodiments may provide a three electrode battery configured to operate each in a discharge mode, but with two distinct electrochemical reactions occurring at each electrode.

The invention discloses an electrolyte, an N-type thermal battery based on the electrolyte and a preparation method of the N-type thermal battery, and relates to the technical field of thermal batteries. The invention provides an electrolyte. The electrolyte comprises deionized water, CuSO4, (NH4) 2SO4 and ethylenediamine, the concentration of CuSO4 in the electrolyte is 0.1 mol / L to 0.4 mol / L; the concentration of (NH4) 2SO4 in the electrolyte is 1 to 4 mol / L; the concentration of ethylenediamine in the electrolyte is 1-4 mol / L; the electrolyte is applied to a thermal battery with copper as an electrode, ethylenediamine in the electrolyte reacts with copper of an anode to generate a Cu (en) 22 + chelate, and a Cu / Cu (en) 22 + reaction couple is formed; the N-type thermal battery based on the Cu / Cu (en) 22 + reaction couple is obtained, the Seebeck coefficient of the N-type thermal battery reaches 2.31 mV K <-1 >, and the performance of the N-type ionic thermal battery is effectively improved.

The utility model provides an energy storage type thermal battery activation circuit which comprises a power supply module, a super capacitor C2 and a switch module which are connected in sequence, and the switch module and the super capacitor C2 are respectively connected with a control module. The power supply module is used for charging the super capacitor C2, the control module is used for controlling the switch module to be closed after the voltage at the two ends of the super capacitor C2 reaches a set threshold value, and activation current output by the super capacitor C2 is output to the igniter through the switch module to activate the thermal battery. According to the utility model, the super capacitor C2 is charged and stored in advance through the power supply module, and then the super capacitor C2 is instantly discharged to provide energy required by activation of the thermal battery, so that activation of the thermal battery is realized, the power of the power supply module can be greatly reduced, and the volume and the mass of the thermal battery activation device can be reduced; and the device is suitable for carriers with requirements on installation space or overall quality.

A moisture electric generating device comprising: a first electrode and a second electrode; and disposed between the first electrode and the second electrode and a functional layer which releases electrical charge carriers; the functional layer includes at least two sub layers; a first sub layer acting as a moisture reservoir to a second sublayer, to provide moisture to the second sublayer; the second sub layer which produces electrical charge carriers as a function of moisture available from the first sub layer.

A moisture power generation device includes: a first electrode and a second electrode; and a functional layer disposed between the first electrode and the second electrode, the functional layer releasing charge carriers; the functional layer comprises at least two sub-layers; a first sub-layer acting as a moisture reservoir to a second sub-layer to provide moisture to the second sub-layer; and a second sub-layer, the second sub-layer generating charge carriers according to moisture that can be obtained from the first sub-layer.

The invention discloses a bent-pipe-shaped thermal battery and an assembly method thereof, and belongs to the technical field of thermal batteries, the bent-pipe-shaped thermal battery comprises a battery cover, a battery shell bottom, a bent pipe shell and a special-shaped battery stack in the bent pipe shell, and is characterized in that the battery shell bottom and the bent pipe shell are welded into a whole, and a flexible insulation thermal insulation layer is assembled between the special-shaped battery stack and the bent pipe shell; an electric connection assembly, an igniter, a heat insulation pad and an ignition assembly are arranged outside the electric pile, the electric pile is formed by connecting single batteries in series and in parallel, and each single battery is formed by laying powder on a negative electrode, an electrolyte, a positive electrode and a heating medicine layer by layer in a one-time pressing mode. By the adoption of the technical scheme, the bent-pipe-shaped thermal battery can be matched with the inner cavity space of a weapon system, the proportion of active substances is increased on the premise that the space is limited, and the space utilization rate is increased.

The invention discloses an automatic separating device and method for isolating rings, the device comprises a rack, a servo motor, a linear moving module, a linear moving module sliding block, a shifting piece, a conveying guide rail, a clamping ring and a support, the conveying guide rail comprises a material storage section and a separating section, the material storage section is a smooth cylinder, and the separating section is a screw rod with a certain screw pitch; the servo motor has positive and negative rotation functions and is detachably connected with the storage section; the A face of the shifting piece is fixedly connected with a linear moving module sliding block capable of horizontally moving, a round hole allowing the conveying guide rail to penetrate through is formed in the B face of the shifting piece, and the shifting piece can push the isolating ring from the storage section to the separation section. The isolating rings are separated one by one after entering the threads of the separation section. According to the separating device and method for the isolating rings, the isolating rings are separated one by one through rotation of the screw, the technical bottleneck that the isolating rings are difficult to separate due to the fact that the isolating rings are light in weight and prone to deformation is solved, and efficient and automatic separation of the isolating rings is achieved.

The invention belongs to the technical field of alloy powder preparation, and discloses aluminum-lithium alloy powder and a preparation method and application thereof. The preparation method of the aluminum-lithium alloy powder comprises the steps that metal lithium and elemental aluminum are heated to be molten, and molten aluminum-lithium alloy is obtained; and the molten aluminum-lithium alloy is sequentially atomized and graded, and the aluminum-lithium alloy powder is obtained. The aluminum-lithium alloy powder prepared through the preparation method is fine in granularity, D50 can be smaller than 70 microns, the prepared aluminum-lithium alloy powder is uniform in component and good in quality consistency, and higher specific power and specific energy can be provided for a thermal battery.

The invention discloses an ultrahigh-burning-speed double-layer ignition sheet in the technical field of thermal batteries, and the ultrahigh-burning-speed double-layer ignition sheet is prepared by the following steps: step 1, slurry preparation: using distilled water to immerse loose asbestos paper until the loose asbestos paper is soft, then crushing the loose asbestos paper, adding zirconium powder, and uniformly mixing to obtain a zirconium powder paper pulp solution; respectively adding barium chloride and potassium chromate into the zirconium powder paper pulp solution in a stirring state to obtain a turbid liquid containing the loose asbestos, the zirconium powder and the barium chromate, performing suction filtration to obtain a mixture containing the barium chromate, the zirconium powder and the loose asbestos, dispersing the mixture in an adhesive, and uniformly stirring to obtain slurry; wherein the mass ratio of the loose asbestos to the barium chloride to the zirconium powder to the potassium chromate is (1-10): (35-45): (15-20): (25-35); and secondly, the slurry prepared in the first step is sprayed on an ultra-high-burning-rate Al-Ni film, drying is conducted for 1.5-2.5 h under the condition of 120-180 DEG C in argon shielding gas, and the ultra-high-burning-rate double-layer ignition sheet is obtained. Compared with the prior art, the ultrahigh-burning-speed double-layer ignition sheet prepared by the invention is higher in burning speed.

The present invention relates to an enrollment assistance device (100), for facilitating initial biometric enrollment of a user of a smartcard (1) including a biometric arrangement (3). The enrollment assistance device (100) comprises an inactive cell (120) having an electrolyte carrier (122), wherein the cell (120) is activated in response to a liquid fluid being applied to the electrolyte carrier, such that the applied liquid fluid causes the electrolyte carrier to carry a liquid electrolyte.

The present invention discloses a high specific energy thermal battery single cell, which is composed of a heating layer, a first molten salt buffer current collector layer, a second molten salt composite positive electrode layer, a third molten salt separator layer, a negative electrode layer and a negative electrode current collector layer. The single cell has a directional pressure relief composite positive electrode layer, a dual heterogeneous thermal buffer material, and a triple heterogeneous functional ring. The first molten salt contains heavy metal element ions Ni that preferentially accept electrons 2+ , and the molar ratio of element F to Br is about 22:47, and the molar ratio n of Cl element is determined by the molar ratio m of cation Ni element, and its value n = 31c + m×2, where m = 1-10. The no-load single cell voltage of the battery is 2-2.6V, and it has strong load capacity in the later stage.

Single use and replaceable self-powered aircraft compartment thermal indicators that deliver a localized visually detectable signal that can be perceived by personnel at the exterior of an aircraft component and that can be activated on demand to signal the presence of a temperature within an aircraft compartment that exceeds a threshold temperature and that can be tested in situ, and methods of use are disclosed.

The invention belongs to the technical field of thermal batteries, and particularly relates to a preparation method and application of a copper fluoride-based heterojunction thermal battery positive electrode material. According to the invention, fluorides with different phases and different band gaps are utilized to form a heterogeneous interface microcosmically, an electron circulation directional electric field is formed at the inhibition interface, migration of electrons and ions is accelerated, and the ion characteristics of the fluorides are improved. According to the thermal battery positive electrode material provided by the invention, the voltage of a unit battery can be remarkably increased, charge and ion transfer of the positive electrode material can be improved, so that the material can bear large pulse current and has relatively high specific capacity, and the material has good adaptability to existing electrolytes in the market at present and has a relatively high voltage platform and relatively high specific capacity. According to the invention, the conductivity of the reaction product is further enhanced by using the copper elementary substance generated by the preferential reaction of copper fluoride, and an ion transmission channel is constructed by using the copper elementary substance generated by the preferential reaction of copper fluoride as a support frame, so that the copper fluoride-based composite material has high-potential and high-power discharge capability.

The invention relates to an energy supply mechanism and an underground alarm, and the energy supply mechanism comprises a base body, a thermal battery assembly, and an excitation assembly. The thermal battery assembly is arranged in the base body; the induction structure and the triggering structure of the excitation assembly have a locking state and a triggering state, in the triggering state, the induction structure unlocks the triggering structure, and the triggering structure supplies energy to the thermal battery assembly so as to activate the thermal battery assembly to provide electric energy outwards. The triggering condition information is adapted through the arrangement of the sensing structure, and then the thermal battery assembly is activated through the triggering state to provide electric energy, so that the arrangement of laying a cable for connecting a circuit underground is avoided, and the arrangement of the thermal battery assembly provides a long-term and stable energy supply demand, and meets the demand of underground environment monitoring. The problems that in the prior art, an underground alarm needs cable laying for power supply, the cable laying process is complex, and the alarm fails due to line aging and the like are effectively solved.

This invention discloses a composite sheet in the field of thermal battery technology. The sheet comprises a heating powder, a positive electrode material, and a nano-diaphragm powder, which are laminated and pressed together. The heating powder is a mixture of micro-nano iron powder and potassium perchlorate in a weight ratio of 70-90:10-25. The positive electrode material comprises components and their usage ratios of disulfide: electrolyte: adsorbent: high-thermal-conductivity graphene in the order of 65-85:5-10:3-10:7-15, with the adsorbent being MgO or Al2O3. The nano-diaphragm powder is a mixture of electrolyte and MgO in a ratio of 50-65:35-50, heated and melted, and then formed into particles with a size of less than 10 μm. The composite sheet obtained by this invention can be used to prepare a novel fast-activation single-cell battery, shortening activation time by over 50% compared to conventional single-cell batteries.

A hydro-electrochemical power generator includes an interlayer having a first end and a second end opposite the first end, a first electrode in contact with the first end of the interlayer, wherein the first electrode includes a first material that is a corrodible metallic material, a second electrode in contact with the second end of the interlayer, wherein the second electrode includes a second material that is a corrodible metallic material, and at least one heat source coupled to one of the first electrode and the second electrode and configured to apply a temperature gradient across the first end and the second end of the interlayer, and wherein the first electrode and the second electrode are configured to output a non-zero electrical voltage in response to the application of the temperature gradient.

The present invention provides a p-n conversion method for an aqueous thermogalvanic cell based on the micelle self-assembly effect and an aqueous thermogalvanic cell, belonging to the technical field of thermoelectric cells. The p-n conversion type aqueous thermogalvanic cell based on the micelle self-assembly effect of the present invention comprises a mold, a filling liquid, a cold-side electrode, and a hot-side electrode; both ends of the mold are open; the mold contains the filling liquid, and the openings at both ends of the mold are respectively encapsulated with the cold-side electrode and the hot-side electrode; the temperature of the cold-side electrode is maintained at 15 °C; the filling liquid is a mixture of a KI / KI3 electrolyte solution and a polyethylene glycol-polyacrylate copolymer. By doping with a thermosensitive polymer, the concentration of I3 ‑ ions can be selectively regulated, and the n-type I ‑ / I3 ‑ system can be converted into a p-type. The original I ‑ / I3 ‑ redox couple has a negative thermopower and is defined as n-type, but it can be converted with the addition of a certain content of polyethylene glycol-polyacrylate copolymer and shows a p-type thermopower.

The present application relates to the technical field of battery thermal management, in particular to a preparation method of a thermal activation battery with silicon-aluminum alloy high-temperature phase change material; in the preparation method, a certain amount of aluminum powder and silicon powder are selected as raw materials and mixed to obtain a liquid alloy by heating, the liquid alloy is defoamed and degranulated, and finally the bulk alloy is cooled to obtain a block alloy, the block alloy is sliced according to the size to obtain a sheet material, and the sheet material is assembled into the battery body in a layer insertion manner; the alloy phase change material prepared by the present scheme has high thermal conductivity, suitable phase change temperature and phase change enthalpy value, thereby having strong thermal management efficiency, being beneficial to regulating and controlling the surface temperature of the battery and prolonging the service life of the battery; in the present scheme, the alloy phase change material is cut and assembled into the thermal activation battery, and has the advantages of low cost, simple operation, good use effect and the like.

The invention discloses a molten salt electrolyte, a high-voltage thermal battery monomer and a preparation method. The molten salt electrolyte comprises a base electrolyte and at least one additive, wherein the basic electrolyte is prepared from LiF and Li2SO4; the additive is selected from any one or more than two of KF, NaF, CsF, KCl, NaCl, CsCl, Li2O, LiClO4, NaClO4, KClO4, CsClO4, K2SO4, Na2SO4, Cs2SO4, LiKSO4, LiNaSO4, LiCsSO4, K2CO3, Na2CO3, Cs2CO3, KPO3, NaPO3, CsPO3, Na3PO4, K3PO4 and Cs3PO4, and the additive is selected from any one or more than two of KF, NaF, CsF, KCl, NaCl, CsCl, Li2O, LiClO4, NaClO4, KClO4, CsClO4, K2SO4, Na2SO4, Cs2SO4, LiKSO4, LiNaSO4, LiCsSO4, K2CO3 The electrolyte is suitable for a high-voltage electrochemical system of a thermal battery, and has excellent high-temperature stability and compatibility with a high-potential positive electrode material.

The invention relates to the technical field of thermal batteries, in particular to a high-specific-energy long-endurance thermal battery composite positive electrode material and a preparation method and application thereof.The composite positive electrode material is formed by compounding a high-capacity cobalt-based multi-component composite positive electrode material A and a high-conductivity cobalt-based multi-component composite positive electrode material B. Compared with traditional FeS2 and CoS2 positive electrode materials, the composite positive electrode material has the advantages that the specific energy of the composite positive electrode material is greatly improved; the material has the advantages of high pyrolysis temperature, good conductivity and high specific energy, and is suitable for high-specific-energy long-endurance thermal batteries.

The invention discloses a low-melting-point high-transference-number electrolyte material for a fluorine ion thermal battery and a preparation method thereof.The preparation method comprises the steps that lithium fluoride, sodium fluoride and potassium fluoride are mixed in proportion and subjected to first calcination treatment for 4-6 h at the temperature of 500-600 DEG C, an obtained product is rapidly cooled, and powdery ternary fluoride eutectic salt is obtained; mixing cesium fluoride with the ternary fluoride eutectic salt in proportion, performing secondary calcination heat treatment for 4-6 hours at the temperature of 600-700 DEG C, and then quickly cooling to obtain powdery quaternary fluoride eutectic salt; and mixing the quaternary fluoride eutectic salt with magnesium oxide of which the mass is 0.8-1.2 times that of the quaternary fluoride eutectic salt, carrying out third calcination treatment at 400-600 DEG C for 3-5 hours, and then rapidly cooling and crushing. By adding the high-atomic-number cation salt, the fluorine ion transference number of the fused salt is improved, the multi-element eutectic salt is obtained, the salt melting point is reduced, the working temperature range of the fluorine ion thermal battery is widened, and the specific energy of the battery is improved.

The utility model relates to the field of battery clamps, and discloses a combined clamp which comprises a base and a pressing plate, a penetrating through hole is formed in the surface of the pressing plate, a pressing rod is fixedly connected in the through hole, a buffering assembly is arranged between the base and the pressing plate, and the buffering assembly comprises a fixing cylinder. The fixing barrel penetrates through and is fixedly connected to the bottom face of the pressing plate, a sleeve is fixedly connected to the bottom face of the fixing barrel, a sliding rod is slidably connected to the interior of the sleeve, a round rod is fixedly connected to the bottom end of the sliding rod and fixedly connected to the surface of the base, and the outer wall of the round rod is sleeved with a buffer spring. And one end of the buffer spring is fixedly connected to the bottom end of the sleeve. According to the utility model, due to the existence of the buffer assembly, the pressure applied to the battery by the pressing plate does not directly act on the battery, but part of the pressure is absorbed through the compression of the buffer spring, so that the battery is protected from being damaged.