57results about How to "High thermal and chemical stability" patented technology

The invention discloses a sulfonated polyether ether ketone-based blend ion exchange membrane for a flow battery, and a preparation method of the sulfonated polyether ether ketone-based blend ion exchange membrane; the ion exchange membrane takes sulfonated polyether ether ketone as a substrate, and is prepared by adding at least one partly-fluorinated high polymer material into the substrate and evenly blending. The invention also discloses the flow battery using the sulfonated polyether ether ketone-based blend ion exchange membrane, and a preparation method of the flow battery. The ion exchange membrane has low active substance permeability and high heat stability and high chemical stability, and effectively improves the performances of the applied flow battery.

The invention relates to conductive paint, in particular to a preparing method for polypyrrole / attapulgite conductive paint. The conductive paint is prepared through the following steps that firstly, a polypyrrole / attapulgite nanometer conductive composite is prepared; then, the obtained conductive composite is dispersed into waterborne hydroxyl acrylic emulsion, various assistants and hydrophilic modification polyisocyanate are added, and the double-component waterborne polyurethane conductive paint is obtained. The preparing method has the advantages that the technology is simple, and the product is high in cost performance, environmentally friendly and the like.

N-heterocyclic functionalized polymers and methods of use in fuel cells. Phenoxy-substituted polyphosphazenes and phosphazene trimers functionalized with azoles can provide polymer electrolyte membranes with high thermal stability coupled with a large number of proton binding sites per monomer unit.

An electrochemical half-cell, comprising an active anode and / or cathode material having at least one fullerene.

The invention belongs to the technical field of lead-acid storage batteries and in particular relates to a preparation method of lead-acid storage battery gel electrolyte, aiming at solving the problems in the prior art that gel electrolyte has a serious hydration and layering phenomenon, great resistance and short service life. The preparation method comprises the following steps: after mixing nano silicon dioxide and distilled water, dispersing; then adding methyltrimethoxysilane, and raising the temperature and reacting to obtain a mixed solution A; stirring and mixing sulfate, nano boron oxide, 1-allyl-3-methylimidazole chloride, sodium alcohol ether sulphate and the residual distilled water to obtain a solution B; adding dimethicone, lubricating grease and sulfuric acid into the mixedsolution B and mixing to obtain a mixed solution C; after mixing the mixed solution A and the mixed solution C, adding a stabilizing agent and uniformly mixing to obtain the lead-acid storage batterygel electrolyte. The preparation method provided by the invention has the advantages of simplicity, moderate preparation conditions and low cost; the prepared gel electrolyte has good thixotropic behaviors, small inner resistance, no acid leakage, no smoke, slow water loss speed and long service life and is worthy of being popularized.

The invention discloses a kind of benzophenanthroline derivative and application thereof in preparation in the field of organic electroluminescent display and illumination technology. The invention also provides an organic electroluminescent device, which comprises the benzophenanthroline derivative. Compared with an existing organic electroluminescent device, the organic electroluminescent deviceof the invention has better luminous performance, can be driven by a lower voltage, and has lower power consumption and longer service life.