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30 results about "Electrode gel" patented technology

Methods for Reducing Discomfort During Electrostimulation, and Compositions and Apparatus Therefor

An electrode assembly for neuro-cranial stimulation includes an electrode, a conductive gel, and an adapter including an interior compartment for positioning the electrode relative to the adapter and for receiving and retaining the conductive gel. The conductive gel contacts the electrode along an electrode-gel interface. An orifice at one end of the interior compartment and adjacent to a positioning surface of the adapter for positioning the electrode assembly against a skin surface of a user enables the conductive gel is able to contact the skin surface of the user to define a gel-skin interface, such that a minimum distance between the electrode-gel interface and the gel-skin interface is maintained between 0.25 cm and 1.3 cm. An electrode assembly mounting apparatus is provided for adjustably positioning a plurality of electrode assemblies against target positions on the cranium.
Owner:RES FOUND THE CITY UNIV OF NEW YORK

Lithium ion battery and gel electrolyte and preparation method thereof

The invention provides a lithium ion battery and gel electrolyte and a preparation method of the lithium ion battery. The gel electrolyte of the lithium ion battery is arranged between a positive electrode piece and a negative electrode piece and comprises a positive electrode gel electrolyte layer and a negative electrode gel electrolyte layer, wherein one side of the positive electrode gel electrolyte layer is adjacently connected with the positive electrode piece, the positive electrode piece is provided with a high-potential positive electrode active material, and the oxidation potential of the positive electrode gel electrolyte layer is above 4.5V (vs Li / Li+); one side of the negative electrode gel electrolyte layer is adjacently connected with the negative electrode piece, and the other side of the negative electrode gel electrolyte layer is adjacently connected with the other side of the positive electrode gel electrolyte layer; the negative electrode piece has a low-potential negative electrode active material, and the reduction potential of the negative electrode gel electrolyte layer is below 0.2V (vs Li / Li+). The gel electrolyte of the lithium ion battery can improve the compatibility of the gel electrolyte and the positive and negative electrode pieces, can effectively improve the working voltage and can prolong the cycle life of the lithium ion battery.
Owner:CONTEMPORARY AMPEREX TECH CO +1

Delivery of electrode gel using cpr puck

An electrode assembly includes a first surface to be placed adjacent a person's skin and a second surface including a plurality of reservoirs of conductive gel. The plurality of reservoirs of conductive gel are disposed on sections of the electrode assembly that are at least partially physically separated and may move at least partially independently of one another to conform to contours of a body of a patient. The electrode assembly is configured to dispense an amount of the electrically conductive gel onto the first surface in response to an activation signal and to provide for a defibrillating shock to be applied to the patient through the amount of the to electrically conductive gel.
Owner:ZOLL MEDICAL CORPORATION

Electrode and enclosure for cardiac monitoring and treatment

A defibrillator electrode (10) and enclosure (23, 24) are described in which the electrodes are sealed to the inside of a rigid enclosure (23, 24). The enclosure is hinged to open and expose the electrodes for deployment. The electrode gel is sealed against moisture loss between the moisture impervious electrode backing and the inner surface of the enclosure. The enclosure may further include an electrical circuit for electrode self-testing, the circuit being broken when the enclosure is opened.
Owner:KONINKLIJKE PHILIPS ELECTRONICS NV

Air-metal secondary battery unit and air-metal secondary battery module including same

The present invention relates to an air-metal secondary battery unit and an air-metal secondary battery module including the same. The present invention provides an air-metal secondary battery module, comprising: one or more metal-air secondary battery units, each of which has a water intake part for taking an aqueous solution therein and a gas outlet port for discharging gas generated during charging; an aqueous solution storage unit which stores the aqueous solution; an aqueous solution supply unit which connects the one or more water intake parts to the aqueous solution storage unit; and a gas discharge unit which is connected to the one or more gas outlet ports to discharge the gas discharged from the gas outlet ports to the outside.; According to the present invention, it is possible to prevent hardening of a negative electrode gel due to the discharging and charging of one or more metal-air secondary battery units and to prevent the expansion of a battery case due to gas generation, so that the metal-air secondary battery can be modularized to be commercially used in various fields, for example, in a vehicle battery, in which high-capacity electric energy is required.
Owner:E M W ENERGY CO LTD

Preparation method of composite lithium battery negative electrode material based on copper oxide

The invention belongs to the field of preparation of a lithium battery negative electrode material, and in particular relates to a preparation method of a composite lithium battery negative electrodematerial based on copper oxide. For the problem that the performance of a prepared battery is unstable due to poor performance of the existing lithium battery negative electrode material, the following scheme is proposed. The method comprises the steps that stirring and ball milling are carried out on copper oxide powder and graphite powder, drying is carried out; the mixture is carbonized, and aweighed conductive agent and binder are added into the mixture for mixing; relevant raw materials are added into a thickener solution and mixed to acquire a mixture B; and a mixture A, the mixture B and weighed polyvinylidene fluoride are mixed and stirred to aquire a negative electrode gel-like mixture. The preparation method has the advantages of simple preparation process, low preparation cost,sufficient mixing and agglomeration of various components, full effect of each component and improved performance of the negative electrode material. The battery made of the negative electrode material has the advantages of stable performance, high energy density and the like.
Owner:徐州硕祥信息科技有限公司

Ink direct-writing 3D printing conductive polymer-based miniature supercapacitor and preparation method thereof

The invention discloses an ink direct-writing 3D printing conductive polymer-based miniature supercapacitor and a preparation method thereof, and belongs to the technical field of electrochemical energy storage. The miniature supercapacitor comprises a substrate, a current collector, an interdigital electrode, a gel electrolyte and a packaging layer, and the electrode material is PEDOT: PSS / MXene composite hydrogel. PEDOT: PSS is subjected to phase separation through ethylene glycol, a conductive PEDOT phase is formed, and the conductivity of the material is improved. Through electrostatic interaction of MXene and PEDOT: PSS, aggregation is prevented, and it is guaranteed that the ink has excellent printability; meanwhile, the loose and porous structure is beneficial to transmission of electrolyte ions, and excellent electrochemical performance is obtained. The conductive polymer-based miniature supercapacitor has high area capacitance, rate capability, energy density, power density and excellent low temperature resistance, and has huge potential in the field of flexible energy storage.
Owner:JIANGNAN UNIV

Thickener for alkaline battery and alkaline battery

A thickener for use in an alkaline battery provides a gel viscosity ratio (N1h / N12h) of 0.7 to 1.3, the gel viscosity ratio (N1h / N12h) being a ratio of a viscosity (N1h) of a gel after being left to stand for one hour to a viscosity (N12h) of the gel after being left to stand for twelve hours (where the gel viscosity is a viscosity of a gel composed of 2.0 parts by weight of the thickener, 200 parts by weight of zinc powder, and 100 parts by weight of 37 wt% aqueous solution of potassium hydroxide, measured at 40 DEG C according to JIS K7117-1: 1999). An alkaline battery having a negative electrode gel in which the thickener of the present invention is used is provided. The alkaline battery exhibits improved long-term retention of discharge characteristics (discharge amount and discharge time), and improved impact resistance.
Owner:SANYO CHEM IND LTD

Electrode-gel electrolyte assembly comprising a porous carbon material and obtained by radical polymerisation

The invention concerns a method for preparing an electrode-gel electrolyte assembly made from porous carbon material comprising radical trapping sites comprising: - a step of forming a link between the radical trapping sites of the carbon material (1) and functionalising molecules (5), - a step of preparing a solution (S) comprising at least one monofunctional monomer and at least one polyfunctional monomer, one ion-conductive electrolyte and one radical initiator, - a step of impregnating the solution (S) of said monomers into the pores (2, 3, 4) of the carbon material (1), and - a step of in situ radical polymerisation of said monomers.
Owner:THALES SA

Flexible electrogenerated variable emissivity device and preparation method thereof

The invention discloses a flexible electrogenerated variable emissivity device and a preparation method thereof. The flexible electrogenerated variable emissivity device sequentially comprises a working electrode, a gel electrolyte layer and a counter electrode from top to bottom, wherein the working electrode comprises a flexible polymer film and a metal film, the flexible polymer film is a surface-modified film and / or a film of which a lower side is plated with a transition layer, and the metal film is deposited on the surface-modified film or the transition layer; the electrolyte layer comprises a porous diaphragm and an electrolyte, and the electrolyte is soaked in the porous diaphragm; wherein the electrolyte comprises an electrochromic material containing metal ions and a solvent, the metal ions are metal ions capable of realizing reversible electrodeposition and dissolution, and the metal of the metal ions is different from the metal for the metal film. The preparation method comprises the steps of respectively preparing the working electrode, the gel electrolyte layer and the counter electrode and assembly. The device provided by the invention is flexible and uniform in change; and the preparation method provided by the invention is simple in process and short in preparation period, and can be used for industrial production.
Owner:NAT UNIV OF DEFENSE TECH

Lithium ion battery and gel electrolyte and preparation method thereof

The invention provides a lithium ion battery, its gel electrolyte and a preparation method thereof. The lithium-ion battery gel electrolyte is used to be spaced between the positive pole piece and the negative pole piece, including: a positive gel electrolyte layer, one side of which is adjacent to the positive pole piece, and the positive pole piece has a high potential positive electrode active material, The oxidation potential of the positive electrode gel electrolyte layer is above 4.5V (vs Li / Li+); the negative electrode gel electrolyte layer, one side is adjacent to the negative electrode sheet and the other side is connected to the other side of the positive electrode gel electrolyte layer, and the negative electrode sheet It has a low-potential negative electrode active material, and the reduction potential of the negative electrode gel electrolyte layer is below 0.2V (vs Li / Li+). The lithium ion battery gel electrolyte provided by the invention can improve the compatibility between the gel electrolyte and positive and negative electrodes, and can effectively improve the working voltage and cycle life of the lithium ion battery.
Owner:CONTEMPORARY AMPEREX TECH CO +1

Novel patch type electrocardiograph

The invention provides a novel patch type electrocardiograph which comprises a base and an upper shell. A sealed space is formed between the base and the upper shell. Components of the electrocardiograph are installed in the sealed space, and include electrode gel, a main control chip, a wireless communication module and a power supply. The electrode gel is used for collecting electrocardiosignalsand connected with the main control chip through an analog-digital conversion circuit. The main control chip is connected with an upper computer through the wireless communication module. Two electrode gel installation holes are formed in the base. An annular installation groove is formed in the upper surface of the base. By means of the wireless design, the novel patch type electrocardiograph can be flexibly worn; by means of a material easily fitting a human body, through multiplex fixation, the novel patch type electrocardiograph can easily fit the skin of the human body without falling and can be installed and carried about.
Owner:乐普智芯(天津)医疗器械有限公司

Balanced charge waveform for transcutaneous pacing

ActiveUS8027721B2Minimizes hydrolysisMinimizing hydrolysisHeart stimulatorsExternal pacemakersElectrode location
External pacemaker systems and methods deliver pacing waveforms that minimize hydrolysis of the electrode gel. Compensating pulses are interleaved with the pacing pulses, with a polarity and duration that balance the net charge at the electrode locations. The compensating pulses are preferably rectangular for continuous pacing, and decay individually for on-demand pacing.
Owner:PHYSIO CONTROL INC

A preparation method based on copper oxide composite lithium battery negative electrode material

The invention belongs to the field of preparation of a lithium battery negative electrode material, and in particular relates to a preparation method of a composite lithium battery negative electrodematerial based on copper oxide. For the problem that the performance of a prepared battery is unstable due to poor performance of the existing lithium battery negative electrode material, the following scheme is proposed. The method comprises the steps that stirring and ball milling are carried out on copper oxide powder and graphite powder, drying is carried out; the mixture is carbonized, and aweighed conductive agent and binder are added into the mixture for mixing; relevant raw materials are added into a thickener solution and mixed to acquire a mixture B; and a mixture A, the mixture B and weighed polyvinylidene fluoride are mixed and stirred to aquire a negative electrode gel-like mixture. The preparation method has the advantages of simple preparation process, low preparation cost,sufficient mixing and agglomeration of various components, full effect of each component and improved performance of the negative electrode material. The battery made of the negative electrode material has the advantages of stable performance, high energy density and the like.
Owner:徐州硕祥信息科技有限公司

Flexible supercapacitor

The invention provides a flexible supercapacitor which is formed by attaching a microcrystalline fiber positive electrode gel thin film with a graphene surface and a microcrystalline fiber negative electrode gel thin film with a zinc-based surface. The graphene surface and the zinc-based surface both face outwards. Edge covering and laminating are then conducted on a microcrystalline fiber composite current-collecting gel thin film with an aluminum film surface, and the laminated gel thin film is pressed on the protective film through a dry film laminator, thereby obtaining the positive electrode gel thin film which is obtained by organically compounding ionic liquid modified microcrystalline cellulose and hydroxylated graphene through a hydrogen-bond interaction. The microcrystalline cellulose is modified by the ionic liquid and then is compounded with the aluminum film and the zinc film in an electro-deposition manner, and the microcrystalline cellulose is combined with hydroxylated graphene through hydrogen bond interaction and is horizontally oscillated to form a graphene layer, so that the positive electrode, the negative electrode and the current collector are endowed with good bending performance; therefore, the foldable performance and the durability of the supercapacitor are improved.
Owner:深圳市宏卓远电子科技有限公司

Cylindrical alkaline battery

In a cylindrical alkaline battery (10) which uses a mercury-free alloy with zinc as the main ingredient as an active material of its anode gel (18) and copper or an alloy with copper as the main ingredient as its anode electron collector (25), the surface of the anode electron collector (25) is electroless-plated with Sn to form an electroless plate film (251) of 0.05 to 0.095 m in thickness.To improve the liquid leakage resistance, especially liquid leakage resistance at over discharge, of cylindrical alkaline battery in which an alloy composed mainly of mercury-free zinc is used as an active material of negative electrode gel. [MEANS FOR SOLVING PROBLEMS] There is provided cylindrical alkaline battery (10) comprising negative electrode gel (18) in which an alloy composed mainly of mercury-free zinc is used as an active material and negative electrode current collector (25) constituted of copper or an alloy composed mainly of copper, wherein an electroless plating of Sn is applied to the surface of the negative electrode current collector (25), the electroless plating (251) having a thickness of 0.05 to 0.095 m.
Owner:FDK ENERGY CORP

High energy gel static vanadium battery

The invention relates to a high-energy gel static vanadium battery, which uses a positive electrode gel state electrolyte and a negative electrode gel state electrolyte. The concentration range of the active material is between 3.0-7.0M, and the acidity range of the sulfuric acid in the positive gel electrolyte is 3.0-6.0M; the concentration range of the vanadium active material in the negative gel electrolyte is 3.0-7.0M, and the negative gel electrolyte The sulfuric acid concentration range of the liquid is 3.0-5.7M, wherein, the positive electrode gel electrolyte contains 1-10wt% gelling agent, and the negative electrode gel state electrolyte contains 1-5wt% gelling agent. The invention improves the energy density of the battery, improves the crystallization phenomenon of the electrolyte, relieves the osmotic pressure difference between the positive and negative electrodes, and prolongs the life of the battery.
Owner:湖南汇锋高新能源有限公司

Delivery of electrode gel using CPR puck

An electrode assembly includes a first surface to be placed adjacent a person's skin and a second surface including a plurality of reservoirs of conductive gel. The plurality of reservoirs of conductive gel are disposed on sections of the electrode assembly that are at least partially physically separated and may move at least partially independently of one another to conform to contours of a body of a patient. The electrode assembly is configured to dispense an amount of the electrically conductive gel onto the first surface in response to an activation signal and to provide for a defibrillating shock to be applied to the patient through the amount of the electrically conductive gel.
Owner:ZOLL MEDICAL CORPORATION

Method for recycling agglomerated or hardened jelly formed in positive electrode gel preparation process

The invention provides a method for recycling jelly formed in a positive electrode gel making process, which comprises the following steps of: (1) crushing the jelly formed in the positive electrode gel making process to obtain small jelly blocks; (2) mixing the small blocks of jelly with NMP and an alcohol regulator, stirring and dispersing to obtain a glue solution; and (3) adjusting the solid content of the glue solution, and carrying out filtration treatment and iron removal treatment to obtain the glue solution for later use, the method solves the problem of waste caused by PVDF agglomeration or hardening in the glue preparation process, and the recovered agglomerated or hardened jelly can be directly prepared into the glue solution with NMP and PVDF to be used in the pulping process.
Owner:HUBEI JINQUAN NEW MATERIALS CO LTD

Preparation method of alkaline battery negative gel and alkaline battery negative gel

ActiveCN104844755BImprove the uniformity of crosslinkingImprove reaction stabilityCell electrodesCross-linkFiltration
The invention discloses an alkaline battery negative electrode gel preparation method which specifically comprises the following steps: 1) under the protection of nitrogen, adding unsaturated carboxylic acid monomer, organic solvent and dispersing agents to a reactor, stirring the mixture and heating the mixture to the temperature of 55-80 DEG C; 2) adding a solution comprising an initiator and a solution comprising a cross-linking agent to a reaction system in the step 1) in a dropping manner, and conducting reacting for 2-10 hours; and 3) after the reaction is finished, carrying out suction filtration and drying, and thus the alkaline battery negative electrode gel is obtained. The obtained alkaline battery negative electrode gel is uniform in crosslinking. Meanwhile, the invention also provides the alkaline battery negative electrode gel obtained by using the preparation method. When the alkaline battery negative electrode gel is applied to the negative electrode of an alkaline battery, the obtained gel negative electrode suspension zinc powder is strong in capability and good in impact resistance of the alkaline battery. Meanwhile, by using the alkaline battery negative electrode gel, the production process of the battery is allowed to be simper, and the battery processing difficulty is reduced.
Owner:GUANGZHOU TINCI MATERIALS TECH

Thickener for alkaline battery and alkaline battery

The present invention provides a thickener for alkaline batteries, and an alkaline battery using the thickener in negative electrode gel. The ratio (N1h / N12h) of the gel viscosity after 1 hour (N1h) to the gel viscosity (N12h) after 12 hours (N1h / N12h) of the thickener was 0.7 to 1.3. Wherein, the gel viscosity is the gel composed of 2.0 parts by weight of thickener, 200 parts by weight of zinc powder and 100 parts by weight of 37% by weight potassium hydroxide aqueous solution according to JIS K7117-1:1999 Measured viscosity at 40°C; an alkaline battery using the thickener of the present invention can be an alkaline battery in which long-term discharge properties (discharge amount and discharge time) are maintained and impact resistance is improved.
Owner:SANYO CHEM IND LTD

Graphene bracelet combined with original acupoint stimulation

The invention discloses a graphene bracelet combined with original acupoint stimulation. The bracelet comprises a bracelet body and a bracelet electric control assembly fixed at the top of the bracelet body, and has the effects of enhancing metabolism, enhancing blood circulation and the like when a graphene heating layer is adopted to act on a human body; original acupoints on a wrist correspond to a plurality of fixed traditional chinese medicine extract electrode gels on a bottom-layer cloth of the bracelet respectively, and the electric control assembly is adopted to realize electric stimulation, so that the permeation treatment effect of traditional chinese medicine is improved; a top-layer cloth and the bottom-layer cloth of the bracelet are made of flexible skin-friendly clothes, so that the use comfort of a user is improved; and the bracelet is provided with a bonding piece, so that the tightness of the bracelet after being worn can be fixed and adjusted. The bracelet is worn on the wrist for original acupoint stimulation, traditional chinese medicine gel medicine is guided into skin, and therefore the functions of treating diseases and regulating the internal organs are achieved.
Owner:GUANGDONG HOSPITAL OF TRADITIONAL CHINESE MEDICINE

Shower electrode based evoked potential detector

The invention discloses a shower electrode based evoked potential detector, which comprises an electrode fixing device for fixing electrodes to a human head. At least one shower electrode in contact with scalp is mounted on the electrode fixing device and is connected with a receiving device through a transmission cable. The area of contact of the electrodes of the detector with human scalp can be increased, the detector is easier to contact with the scalp through human hair, the electrodes are guaranteed to stably contact with the human scalp through a plurality of contact teeth, impedance reduction and signal quality improvement are achieved by the aid of circular electrodes compared with the shower electrodes of the detector, no electrode gel is not needed, and accordingly service cost is reduced, use convenience is improved and the scalp cannot be dirtied after detection. Noninvasive detection can be achieved by the aid of the shower electrodes compared with pin electrodes, and a user feels no pain when using the detector.
Owner:珠海益瑞科技有限责任公司

Electrode-gel electrolyte assembly comprising a porous carbon material and obtained by radical polymerisation

A process for producing an electrode-gel electrolyte assembly based on porous carbonaceous material comprising radical-trapping sites comprises: a step of forming a bond between the radical-trapping sites of the carbonaceous material and functionalizing molecules, a step of preparing a solution comprising at least one monofunctional monomer and at least one polyfunctional monomer, an ionically conductive electrolyte and a radical initiator, a step of impregnating the solution of the monomers into the pores of the carbonaceous material, and a step of in situ radical polymerization of the monomers.
Owner:THALES SA

An all-solid continuous fiber lithium-ion battery structure and its 3D printing forming method

An all-solid-state continuous fiber lithium-ion battery structure and its 3D printing forming method. The concentric multi-layer composite single-bundle lithium-ion battery is formed by 3D printing. The innermost layer of the concentric multi-layer composite single-bundle lithium-ion battery is a metal wire and a continuous fiber. Composite negative electrode composed of fibers, the outer surface of the composite negative electrode is an insulating solid electrolyte layer, the outer surface of the solid electrolyte layer is a conductive positive electrode, and the outer surface of the positive electrode is a viscous insulating packaging layer; the 3D printing method is to prepare metal wire and continuous fiber first. The composite single-bundle is corroded and dried, and then the positive electrode gel is wrapped to prepare a concentric multi-layer composite single-bundle lithium-ion battery. According to the printing method of continuous fiber composite materials, a lithium-ion battery of the desired shape is obtained; in the concentric composite single-bundle lithium-ion battery The negative electrode and the positive electrode of the ion battery are distributed to lead out a wire to obtain an all-solid continuous carbon fiber lithium ion battery; the invention has low cost and high efficiency, and can manufacture composite material parts with complex shapes.
Owner:XI AN JIAOTONG UNIV
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