65 results about "Electrolyte" patented technology

The invention provides a nonaqueous-electrolyte battery which has a positive electrode 3 including a positive active material, a negative electrode 4 including a negative active material having a lithium insertion/release potential higher than 1.0 V (vs. Li/Li⁺), and a nonaqueous electrolyte, wherein an organic compound having one or more isocyanato groups has been added to the nonaqueous electrolyte.

Provided is a process for producing a rope-shaped alkali metal battery, comprising: (a) providing a first electrode comprising a first conductive porous rod and a first mixture of a first electrode active material and a first electrolyte residing in the pores of the first porous rod; (b) wrapping or encasing a porous separator around the first electrode to form a separator-protected first electrode; (c) providing a second electrode comprising a second conductive porous rod and a second mixture of a second electrode active material and a second electrolyte residing in the pores of the second porous rod; (d) combining the separator-protected first electrode and second electrode to form a braid or a yarn having a twist or spiral electrode; and (e) wrapping or encasing a protective casing or sheath around the braid or yarn to form the rope battery.

The present invention provides a photocatalyst composite structure and a preparation method thereof. The photocatalyst composite structure has backbone-branch structural feature; the graphite type carbon nitride (g-C3N4) is the backbone, and carbon nanotubes(CNTs) grown in situ on the backbone chemical through vapor deposition (CVD) are the branches; and the nano photocatalyst coats on the entire backbone-branch complex structure surface. The invention has the advantages that the photocatalyst composite structure can degrade organic contaminants and realize photocatalytic water decomposition for hydrogen production under ultraviolet and visible light; in addition, the backbone-branch composite structure has large specific surface area, and can fully contact with organic pollutants and electrolyte solution to improve the photocatalytic efficiency.

A method and apparatus for use with an oxidizer assembly of a fuel cell system in which the oxidizer assembly has an oxidizing unit for oxidizing anode exhaust gas containing electrolyte particulates and is adapted or conditioned so as to enable the electrolyte particulates to be removable from the assembly and to be removed from the assembly, and wherein the conditioning and removing occur with the oxidizing unit retained in the oxidizer assembly. The fuel cell system is also adapted so that such conditioning and removing occur with the oxidizing assembly retained in the fuel cell system.

The invention discloses an acidic electroplating zinc-nickel alloy electrolyte, a preparation method and an electroplating method thereof; the electrolyte comprises a basic electrolyte and additives; the basic electrolyte is a weakly acidic solution which comprises zinc ions with mass concentration of 27-38g/L, nickel ions with mass centralization of 23-31g/L, chloride ions with mass concentration of 150-220g/L and boric acid with mass concentration of 25-35g/L at Ph value of 4.8-5.4 and at temperature of 28-35 DEG C; and the additives comprise a brightening agent of 1-12 ml/L, a walk agent of 3-30 ml/L and a disodium ethylenediamine tetraacetate complexant of 10-50 ml/L. The acidic electroplating zinc-nickel alloy electrolyte is rational in proportion and proper in matching; the galvanizing efficient is improved by 30-40% compared with the traditional acidic galvanizing; the corrosion resistance of a zinc-nickel coating can be improved remarkably and the service life of the coating is prolonged; the coating is high in hardness, corrosion resistance, abrasive resistance, pyro-oxidation resistance, compactness and comprehensive performance; the electrolyte does not need to the post-treatment technique, so that the adopted electroplating method is saved in cost, efficient and rapid, convenient in operation and far superior to the traditional alkaline zinc-nickel electroplating.

Provided is a microporous polyolefin membrane which has excellent oxidation resistance and electrolyte injection performance and further has excellent permeability and strength balance. The multilayer, microporous polyolefin membrane has a first microporous layer containing polypropylene. The electrolyte injection performance is 20 seconds or less, at least one surface layer is the first microporous layer, and the PP distribution in the first microporous layer is uniform in the in-plane direction.

Provided is rolled supercapacitor comprising an anode, a cathode, a porous separator, and an electrolyte, wherein the anode contains a wound anode roll of an anode active material having an anode roll length, an anode roll width, and an anode roll thickness, wherein the anode active material contains isolated graphene sheets that are oriented substantially parallel to the plane defined by the anode roll length and the anode roll width; and/or the cathode contains a wound cathode roll of a cathode active material having a cathode roll length, a cathode roll width, and a cathode roll thickness, wherein the cathode active material contains isolated graphene sheets that are oriented substantially parallel to the plane defined by the cathode roll length and the cathode roll width; and wherein the anode roll width and/or the cathode roll width is substantially perpendicular to the separator.

The invention relates to a Na<+> superionic conductor (NASICON) type lithium-ion solid electrolyte collaboratively doping with F<->, B<3+> and Y<3+> ions and a preparation method thereof. The stoichiometric equation of the solid electrolyte is Li<1+x+2y-z>Y<x>Zr<2-x>B<y>P<3-y>O<12-z>F<z>, wherein x is equal to 0.1 to 0.5, y is equal to 0.1 to 0.3, and z is equal to 0.1 to 0.2. The NASICON type lithium-ion solid electrolyte collaboratively doping with the F<->, B<3+> and Y<3+> ions is obtained by uniformly mixing Y(NO3)<3>.6H2O, B2O3, LiF, ZrOCl<2>.8H2O, (NH4)<2>HPO4 and LiNO3 according to a mole ratio of being (0.1-0.5):(0.05-0.15):(0.1-0.2):(1.5-1.9):(2.7-2.9):(1.1-2.0) and carrying out heating, stirring, drying, ball grinding, pressing and sintering. The normal-temperature lithium ion conductivity of a solid electrolyte slice prepared according to the method is more than 5*10<-4> S/cm.

Apparatuses and methods for toolless electrolytic deburring are disclosed in which a charged electrolyte stream flows through a hose and nozzle and can be selectively directed at a desired portion of an external or internal surface of a workpiece. The nozzle or the workpiece can be manipulated to vary the electrolytic deburring working gap so as to control the intensity of the electrolytic deburring and the portion of the workpiece that is electrolytically deburred. The electrolytic deburring is preferably performed in an enclosure having a glove which has an electrical contact that can be used to electrically connect the workpiece to the DC power supply anode simply by gripping the workpiece.

The invention relates to the field of energy storage materials, in particular to an electrolyte and a battery. The electrolyte is prepared from an organic solvent, an electrolyte body and additives, wherein the additives comprise an additive A and an additive B; the additive A is at least one selected from compounds shown as general formulae I, II and III in the description; the additive B is at least one selected from fluorophosphate compounds and fluorophosphite compounds. With the adoption of the electrolyte, high-temperature cycle performance and high-temperature storage performance of thebattery under high pressure can be improved remarkably.

An electrolyte membrane 16 is arranged inside first and second frames 13 and 14. The electrolyte membrane 16 has a first surface, on which an anode side electrocatalytic layer 17 is superimposed, and a second surface, on which a cathode side electrocatalytic layer 18 is superimposed. The electrocatalytic layer 17 has a surface on which an anode side gas flow path formation body 21 including a gas flow path 21c for supplying fuel gas is superimposed. Further, the electrocatalytic layer 18 has a surface on which a cathode side gas flow path formation body 22 including a gas flow path 22c for supplying oxidation gas is superimposed. The first and second gas flow path formation bodies 21 and 22 have surfaces on which first and second separators 23 and 24 are superimposed, respectively.

A non-aqueous organic high voltage electrolyte additive, a non-aqueous organic high voltage electrolyte and a lithium ion secondary battery. An embodiment of the invention provides a non-aqueous organic high voltage electrolyte additive with a chemical structural formula shown as a formula (I), wherein R1 and R2 are independently selected from the group consisting of H, metal ions, alkyl, alkylene, alkyne, halogenated alkyl, halogenated alkylene, halogenated alkyne, aromatic base and halogenated aromatic base; the number of carbon atoms alkyl and alkyl halide is 1-20, the number of carbon atoms in the alkylene, alkyne, halogenated alkyl, halogenated alkylene and halogenated alkyne is 2-20, and the number of carbon atoms in the aromatic base and halogenated aromatic base ranges from 6 to 20. The non-aqueous organic high voltage electrolyte additive is oxidized and decomposed in the charging process of the lithium ion secondary battery, promotes the formation of cathode material surface protection film, and can improve the cycle performance and the discharge capacity of the lithium ion secondary battery under high voltage.

The invention discloses a preparation method of an anti-wrinkle battery diaphragm, a battery diaphragm and a battery. The preparation method of the anti-wrinkle battery diaphragm comprises a casting step, a heat treatment step, a stretching step and an internal stress release step. The internal stress release step comprises the sub-steps of standing the whole roll of the diaphragm wound after stretching to release the internal stress, and putting the whole roll of the diaphragm in an oven to release the internal stress again after the standing so as to finally obtain the anti-wrinkle battery diaphragm, wherein the temperature of the oven is 40-120 DEG C, and the treatment time is 4-12 hours. The preparation method of the anti-wrinkle battery diaphragm creatively introduces the internal stress release step into the existing process production, releases the internal stress through standing and re-baking, reduces the deformation of the diaphragm in an electrolyte, reduces wrinkles of thediaphragm after liquid injection, improves the smoothness of the battery and also reduces the adverse effects caused by the wrinkles to the battery, thereby laying a foundation for the preparation ofthe high-quality battery diaphragm and battery.

The cross-linked polyaminocarboxylates for the removal of metal ions from aqueous solutions of the present invention are cross-linked anionic polyelectrolytes CAPE 6 and CAPE 9, containing pH-responsive amino acid residues. The cross-linked anionic polyelectrolytes have been synthesized via cycloco-polymerization and ter-polymerization of a diallylammonioethanoate monomer (90 mol %) and a cross-linker, 1,1,4,4-tetraallylpiperazinium dichloride (10 mol %) in the absence of SO2 (CAPE 6) and in the presence of SO₂ (CAPE 9), respectively. For the sorbents CAPE 6 and CAPE 9, the efficiency of Cu²⁺ removal at an initial metal concentration of 200 ppb was found to be 77.5% and 99.4%, respectively. Treatment of real wastewater samples spiked with Cu²⁺ ions showed the excellent ability of the cross-linked anionic polyelectrolytes to adsorb metal ions.

A method and device for cooling the electrolyte of aqueous battery cells such as lead acid batteries. The method includes the steps of delivering non-saturated gas to the electrolyte of in the battery cell, contacting said non-saturated gas with said electrolyte so that water from said electrolyte evaporates and thereby cools said electrolyte, and allowing the gas to escape from said battery cell, thereby removing heat from the electrolyte. An apparatus for carrying out the method is also provided. A fluid conduit is positioned to deliver the cooling air to the electrolyte within the cell. At least one pump delivers the air to the fluid conduit.

The invention discloses a kit for detecting the content of a KAPPA light chain.The kit comprises a reagent R1, a reagent R2 and a KAPPA light chain calibration material, wherein the reagent R1 comprises a first buffer solution, a first electrolyte, a surface active agent, a first stabilizer, a macromolecule accelerant and a first preservative, the reagent R2 comprises a second buffer solution, an anti-human KAPPA light chain antibody, a second electrolyte, a second stabilizer and a second preservative, and the C1 inhibitor calibration material comprises a third buffer solution, a third stabilizer, a third preservative, an antioxidant and a KAPPA light chain antigen.The invention further discloses the application of the kit for detecting the content of the KAPPA light chain and a method for detecting the content of the KAPPA light chain using the kit.By the adoption of the kit and the detection method, the content of the KAPPA light chain can be detected easily and quickly.

The invention discloses an electrochemical ozonizer comprising at least one cell, each consisting of an anode, a cathode and an interposed full-area, cation-conducting membrane which is chemically stable to ozone as a solid electrolyte, is characterized in that the membrane conductively connects the anode and the cathode while forming flow channels for water that are separated from one another as anode and cathode chambers.