36results about "Silver accumulators" patented technology

The present disclosure relates to a battery system with adjustable heating rate and control method thereof, the battery system comprises a battery pack, a heating plate, a power control module, and a battery management system; when the temperature of the battery pack is lower than the preset self-heating switch-on temperature, the power control module is turned on, and the battery management system transmits the collected status information of the battery pack to the power control module, the power control module adjusting the current on-off time and switching frequency of the heating plate through a PWM signal to adjust the heating power and heating rate, to realize self-heating of the battery; when the temperature of the battery pack reaches the preset self-heating switch-off temperature, the power control module is turned off to stop heating; wherein, the power control module further includes a current adjustment module, a current acquisition module, and a heating control module. The present disclosure can realize the beneficial effects of fast heating rate, long driving range, and fast charging at low temperature of the power battery system.

Provided is a hydroxide ion-conducting separator excellent in alkali resistance and capable of further effectively suppressing short circuiting caused by zinc dendrites. The LDH compound separator includes a porous substrate made of a high molecular material and a layered double hydroxide (LDH) compound that seals the pores of the porous substrate. The average porosity of the central portion in the thickness direction of the LDH compound separator is lower than the average porosity of the portion near the surface of the LDH compound separator.

The present invention provides an alkaline button cell that has excellent load characteristics and high reliability.　An alkaline button cell which is obtained by having a positive electrode that has a positive electrode mixture layer containing silver oxide and a conductive assistant, a negative electrode that contains zinc particles, and an alkaline electrolyte solution contained in a battery container that is composed of an outer package can, a cover plate and a resin gasket, wherein: carbon black and graphite particles are contained as the conductive assistant in the positive electrode mixture layer; and the water content in the battery container is set to 0.63-1 g per 1 g of the zinc particles in the negative electrode.

A zinc battery 1 comprises an electrode group 10. The electrode group 10 comprises alternately layered negative electrodes 12 and positive electrodes 14. The negative electrodes 12 include negative electrodes A1–A3 as first through third negative electrodes counted from one end side in the layering direction of the negative electrodes 12 and the positive electrodes 14 of the electrode group 10, and the negative electrodes A1–A3 include negative electrode materials a11, a12, a21, a22, a31, and a32 that contain an active material that includes zinc, the mass of the active material of the negative electrode A2 being greater than the mass of the active material of the negative electrode A3.

Provided is a highly reliable button-shaped alkaline battery having excellent load characteristics. A button-shaped alkaline battery includes: a positive electrode having a positive electrode mixture layer containing a silver oxide and a conductive assistant; a negative electrode containing zinc particles; an alkaline electrolyte solution; and a battery container for accommodating the positive electrode, the negative electrode, and the alkaline electrolyte solution, the battery container including an outer can, a sealing plate, and a resin gasket. The positive electrode mixture layer contains carbon black and graphite particles as the conductive assistant, and an amount of water in the battery container is 0.63 to 1 g per 1 g of the zinc particles of the negative electrode.

The invention relates to the field of electrochemical generators, in particular alkaline generators, and more particularly to that of accumulators. It especially relates to secondary generators with a zinc anode. It relates in particular to a method for preparing an electrochemical generator, comprising the steps of: • assembling a hydrophobic membrane with a cathode and a zinc anode, and then • adding an electrolyte which is an alkaline aqueous solution comprising at least one wetting agent and at least one antifoaming agent. The invention also relates to an electrochemical generator obtained by the method according to the invention.

Provided is a highly reliable button-shaped alkaline battery having excellent load characteristics. A button-shaped alkaline battery includes: a positive electrode having a positive electrode mixture layer containing a silver oxide and a conductive assistant; a negative electrode containing zinc particles; an alkaline electrolyte solution; and a battery container for accommodating the positive electrode, the negative electrode, and the alkaline electrolyte solution, the battery container including an outer can, a sealing plate, and a resin gasket. The positive electrode mixture layer contains carbon black and graphite particles as the conductive assistant, and an amount of water in the battery container is 0.63 to 1 g per 1 g of the zinc particles of the negative electrode.

This invention relates to a PbS-modified AgO cathode material, its preparation method, and a zinc-silver battery, belonging to the field of zinc-silver battery technology. The PbS content is 1% to 5% of the AgO cathode material's mass, and it is prepared by wet mixing and ball milling. Adding PbS to the AgO cathode material and ball milling it to generate PbSO4 not only inhibits the decomposition of AgO during ball milling but also inhibits the decomposition of AgO during aging. This cathode material can extend the battery's lifespan during long-term storage of zinc-silver batteries.

The invention relates to a CdS additive modified AgO positive electrode material, a preparation method and a zinc-silver battery, and belongs to the technical field of zinc-silver batteries. The mass of the CdS is 2-10% of the mass of the AgO positive electrode material, and the PbS and the AgO positive electrode material are used for inhibiting the decomposition of AgO and improving the conductivity after being ball-milled and mixed. By introducing CdS as an additive into the AgO positive electrode material, on one hand, the stability of AgO can be improved, and the decomposition of AgO in the storage period is slowed down, so that the zinc-silver battery has a longer storage life; on the other hand, the conductivity of the positive electrode material can be improved by introducing the additive, and electrode reaction kinetics can be improved.

The invention relates to the field of electrochemical generators, particularly alkaline generators, and more especially to batteries. It is specifically related to secondary generators with a zinc anode. It relates in particular to a method for preparing an electrochemical generator, comprising the steps of: assembling a hydrophobic membrane with a cathode and an anode, and then adding an electrolyte comprising at least one wetting agent and at least one antifoaming agent. The invention also relates to an electrochemical generator obtained by the method according to the invention. Figure for the abstract: Figure 3

To provide a zinc battery electrolyte capable of realizing an excellent life performance in a zinc battery.SOLUTION: A zinc battery electrolyte contains an alkali metal hydroxide and a chelator. The chelator includes at least one kind selected from a group consisting of aminocarboxylic acid based chelators, hydroxamic acid based chelators and phosphonic acid based chelators.SELECTED DRAWING: None

Provided is a secondary battery having a zinc negative electrode enhanced in charge / discharge continuity. The secondary battery 10 having a zinc negative electrode according to an embodiment includes a positive electrode 20 having a metal fiber sheet, a negative electrode 30 containing zinc, and an electrolytic solution 40 having at least one or more types of supporting electrolytes dissolved therein. The total concentration of the supporting electrolytes is 5 mass% or more and 50 mass% or less based on the entire electrolytic solution.

Disclosed herein are materials for use in battery separators. They include copolymers of a divinylbenzene and one or both of the monomers below (non-linked and linked). R is an n-alkylene group, and n is a positive integer. The copolymer made be made from tertiary amine monomers that are converted to quaternary amines. One battery includes a zinc anode, a silver cathode, and a tri-layer separator. The inner layer uses the linked monomer, and the outer layers use the non-linked monomer.

To provide an electrolyte for a zinc battery capable of obtaining excellent life performance in the zinc battery.SOLUTION: An electrolyte for a zinc battery includes an alkali metal hydroxide, and an organic compound having at least one selected from the group consisting of a carboxyl group, a carboxylic acid group, an ether group, and a hydroxy group (excluding polyoxyethylene octylphenyl ether and polyoxyethylene alkyl ether phosphate).SELECTED DRAWING: None

The description relates to a battery device comprising: - electrodes comprising an anode and a cathode; and - an electrolyte, between the electrodes, comprising a crystalline material having the composition M2B2O5.x(HOH).y(NOH), where M and N are alkaline elements or hydrogen, or mixtures of alkaline elements or hydrogen, B is titanium, O and H denote the elements oxygen and hydrogen, respectively, and x and y are between 0 and 4 and denote the presence of H+, OH-, N+ ions, which are capable of migrating into the crystalline material. In particular, at least one type of ion from among H+, OH-, N+ and M+ is movable so as to migrate into the crystalline material towards at least one of the electrodes, and the at least one of the electrodes is made of a material capable of carrying out a chemical interaction with at least one of the H+, OH-, M+ and N+ ions.

The present invention discloses a preparation method of a high specific energy Zn / AgO small button secondary battery. First, the positive electrode material is synthesized by a chemical method, then an alkaline electrolyte with a low hydrogen evolution amount is prepared, and finally a mercury-free inhibitor zinc paste negative electrode is used. The AG3 type zinc-silver button battery is assembled using the above positive electrode, zinc paste negative electrode, alkaline electrolyte and separator. The Zn / AgO small button secondary battery prepared according to the method provided by the present invention has the advantages of high specific energy, long cycle life and simple preparation process.

The invention provides a zinc secondary battery which has good battery resistance and is capable of effectively suppressing electrolyte leakage caused by a creep phenomenon. This zinc secondary battery is provided with: a positive electrode plate including a positive electrode active material layer and a positive electrode current collector; a negative electrode plate including a negative electrode active material layer including at least one selected from the group consisting of zinc, zinc oxide, zinc alloys, and zinc compounds, and a negative electrode current collector; a hydroxide ion conduction separator which separates the positive electrode plate and the negative electrode plate in a hydroxide ion conduction manner; and an electrolyte solution. The electrolyte solution is an aqueous solution containing an alkali metal hydroxide, the alkali metal hydroxide containing at least sodium hydroxide, the total concentration of the alkali metal hydroxide in the electrolyte solution being 5.0-6.0 mol / L, and the concentration of sodium hydroxide in the electrolyte solution being 0.5-6.0 mol / L.

The invention relates to the field of electrochemical generators, particularly alkaline generators, and more especially to batteries. It is specifically related to secondary generators with a zinc anode. It relates in particular to a method for preparing an electrochemical generator, comprising the steps of: assembling a hydrophobic membrane with a cathode and an anode, and then adding an electrolyte comprising at least one wetting agent and at least one antifoaming agent. The invention also relates to an electrochemical generator obtained by the method according to the invention. Figure for the abstract: Figure 3

The alkaline battery of the present invention includes, as power generation components, a positive electrode containing silver oxide as a positive electrode active material, a negative electrode, a separator, and an alkaline electrolyte solution. At least one of the power generation components contains tellurium or a compound of tellurium. The total content of tellurium element contained in components housed in the battery is 0.4 parts by mass or more with respect to 100 parts by mass of the total amount of silver element in the positive electrode active material. The positive electrode is substantially free of cadmium.

The description relates to a battery device comprising: - electrodes including an anode and a cathode, and - an electrolyte, between the electrodes, comprising a crystalline material of composition M2B2O5.x(HOH).y(NOH), where M and N are alkali metals or hydrogen or mixtures of alkali metals or hydrogen, B is titanium, O and H denote the elements oxygen and hydrogen respectively, and x and y are between 0 and 4 and denote the presence of H+, OH-, N+ ions capable of migrating in the crystalline material. In particular, at least one type of ion among H+, OH-, N+, and M+ is mobile to migrate in the crystalline material towards at least one of the electrodes, and said at least one of the electrodes is made of a material capable of chemically interacting with at least one of the H+, OH-, M+, and N+ ions. Figure from the summary: Figure 5

The alkaline battery of the present invention includes, as power generation components, a positive electrode containing silver oxide as a positive electrode active material, a negative electrode, a separator, and an alkaline electrolyte solution. At least one of the power generation components contains tellurium or a compound of tellurium. The total content of tellurium element contained in components housed in the battery is 0.4 parts by mass or more with respect to 100 parts by mass of the total amount of silver element in the positive electrode active material. The positive electrode is substantially free of cadmium.

To provide a button-type alkaline battery with excellent battery characteristics such as discharge characteristics and storage characteristics. [Solution] The button-type alkaline battery of the present invention has a positive electrode containing silver oxide as a positive electrode active material, a negative electrode, and a separator that separates the positive electrode and the negative electrode, and is characterized in that the separator and an annular separator are arranged on top of each other at the periphery of the positive electrode.

Disclosed herein are materials for use in battery separators. They include copolymers of a divinylbenzene and one or both of the monomers below (non-linked and linked). R is an n-alkylene group, and n is a positive integer. The copolymer made be made from tertiary amine monomers that are converted to quaternary amines. One battery includes a zinc anode, a silver cathode, and a tri-layer separator. The inner layer uses the linked monomer, and the outer layers use the non-linked monomer.

This invention discloses an automated system and method for preparing zinc-silver battery positive electrode plates, belonging to the technical field of battery manufacturing equipment. Addressing the challenges in zinc-silver battery positive electrode plate preparation, such as powder stratification and agglomeration, plate fragility, long sintering cooling time, and low detection accuracy, this invention proposes the following innovations: Powder weighing utilizes a combined rotary screw and belt feeding system, achieving non-extrusion and flipping conveying and low-drop-height flat laying, avoiding cold welding of silver powder and silver-carbon stratification; preheating the mold before pressing improves density uniformity; sintering employs a double-layer circulating tunnel furnace with an air-cooled outlet unit, shortening cooling time; the robotic arm end uses a flexible suction cup and S-curve acceleration / deceleration control to achieve damage-free transfer of fragile plates; and integrated detection includes weighing, five-point coaxial thickness measurement, and deep learning appearance recognition, significantly improving detection accuracy. This invention achieves full-process automation, increasing production efficiency, reducing labor costs, lowering scrap rates, and significantly improving product consistency and reliability.

The description relates to a battery device, comprising: - electrodes comprising an anode and a cathode, and - an electrolyte, between the electrodes, comprising a crystalline material of composition M2B2O5.x(HOH).y(NOH), where M and N are alkali or hydrogen elements or mixtures of alkali or hydrogen elements, B is titanium, O and H denote respectively the elements oxygen and hydrogen, and x and y are between 0 and 4 and denote a presence of H+, OH-, N+ ions, capable of migrating in the crystalline material. In particular, at least one type of ion among H+, OH-, N+ and M+ is mobile to migrate in the crystalline material towards at least one of the electrodes, and said at least one of the electrodes is made of a material capable of operating a chemical interaction with at least one of the H+, OH-, M+ and N+ ions. Abstract Figure: Figure 5

The invention relates to the field of electrochemical generators, in particular alkaline generators, and more particularly to the field of storage batteries. The invention relates in particular to a secondary generator employing a zinc anode. The preparation method of the electrochemical generator comprises the following steps: assembling a hydrophobic membrane, a cathode and a zinc anode; an electrolyte comprising at least one wetting agent and at least one defoaming agent is added. The invention also provides an electrochemical generator obtained by the method of the invention.

Provided is a secondary battery having a zinc negative electrode enhanced in charge / discharge continuity. The secondary battery 10 having a zinc negative electrode according to an embodiment includes a positive electrode 20 having a metal fiber sheet, a negative electrode 30 containing zinc, and an electrolytic solution 40 having at least one or more types of supporting electrolytes dissolved therein. The total concentration of the supporting electrolytes is 5 mass % or more and 50 mass % or less based on the entire electrolytic solution.

To provide a zinc battery electrolyte capable of realizing an excellent life performance in a zinc battery.SOLUTION: A zinc battery electrolyte contains an alkali metal hydroxide, and a compound represented by a general formula (1) in the figure excluding polyoxyethylene octylphenyl ether. [In the formula (1), n represents an integer from 1 to 10; and R1 and R2 each independently represent an organic group, a hydrogen atom or a metal atom, where if n=1 then at least one of R1 and R2 represents an organic group.]SELECTED DRAWING: None

The present specification relates to a battery device comprising:-electrodes comprising an anode and a cathode, and-an electrolyte between the electrodes comprising a crystalline material having the composition M2B2O5. X (HOH). Y (NOH), where M and N are alkali metals or hydrogen or mixtures of alkali metals or hydrogen, B is titanium, O and H represent the elements oxygen and hydrogen, respectively, and x and y are 0 to 4 and represent the presence of H +, OH-, N + ions capable of migrating in the crystalline material, in particular at least one of H +, OH-, N + and M + ions is movable to migrate within the crystalline material to at least one electrode, and the at least one electrode is made of a material adapted to chemically interact with at least one of the H +, OH-, N + and M + ions.