5results about How to "Facilitate charge transfer" patented technology

The application discloses a kind of composite positive plate and lithium ion battery and preparation method.The composite positive plate includes positive current collector;Positive current collector surface is coated with positive active material layer;Positive active material layer surface is coated with solid electrolyte layer;Positive active material layer includes positive active material, oxide solid electrolyte, conductive agent, dispersing agent and binder and the mass ratio of these components is (91.9%~97.45%): (0.5%~5%): (1%~1.5%): (0.05%~0.1%): (1%~1.5%);Solid electrolyte layer includes oxide solid electrolyte, conductive agent, dispersing agent and binder and the mass ratio of these components is (13.9%~70.9%): (13.2%~49.2%): (0.6%~3.8%): (13.2%~49.2%);The application is conducive to guaranteeing battery thermal safety while significantly improving battery fast-charging capability.

The present invention relates to an n-type conjugated polymer blend, which is made from aromatic diketone with active methylene or an enolic transformation product thereof, and is obtained directly by polymerization reaction in the presence of an oxidant. The reaction described does not require precious metal catalysis and is insensitive to a reaction atmosphere. A process is simple and inexpensive and suitable for commercial applications. Meanwhile, the modulation of the conductivity of this n-type conjugated polymer can be achieved by ionic modification. This n-type conjugated polymer can be applied to an organic optoelectronic device to achieve an excellent photovoltaic effect.

The invention discloses a nano preparation for crossing a blood brain barrier as well as a preparation method and application of the nano preparation. The nano preparation comprises a newly designed BODIPY derivative. According to the novel BODIPY derivative, the photo-thermal and photodynamic performance is remarkably improved, after the BODIPY derivative and an amphiphilic polymer are prepared into a nano preparation, targeted enrichment of brain glioma can be achieved, an efficient and safe novel strategy is provided for treatment of in-situ glioblastoma, and the BODIPY derivative has wide application prospects.

The invention discloses an oxygen vacancy type Bi2O2CO3 / MIL-101-NH2 composite catalyst as well as a preparation method and application thereof, and belongs to the technical field of catalytic oxidation and the field of water environment treatment. According to the composite catalyst provided by the invention, MIL-101-NH2 is loaded on the surface of Bi2O2CO3, so that a heterojunction structure rich in oxygen vacancies is formed; the Bi2O2CO3 is of a cluster flower-shaped structure with the diameter of 2 to 3 [mu] m; the MIL-101-NH2 is of a fusiform particle structure with the length of 500-1000 nm, is rich in oxygen vacancies, and is dispersed and loaded in the stamens of the Bi2O2CO3. The composite catalyst provided by the invention shows relatively high catalytic oxidation performance in a test of treating an antibiotic water body by photocatalytic activation of peroxymonosulfate (PMS), can effectively remove antibiotics in water within a short time, and has excellent application potential in antibiotic treatment.

The invention relates to the field of oxygen evolution reaction electrocatalysts, and discloses an oxygen evolution reaction electrocatalyst and a preparation method and application thereof. The invention discloses a method for preparing an oxygen evolution reaction electrocatalyst. The method comprises the following steps: (1) carrying out electrodeposition on a metal salt solution or metal molten salt on the surface of a metal substrate; (2) carrying out heat treatment on the electro-deposition product in the step (1); (3) mixing a heat treatment product obtained in the step (2) with a sulfur-containing compound for vulcanization; wherein the heat treatment condition comprises the steps that the temperature is increased to 300 DEG C or above at the speed of 1-5 DEG C / min, and the temperature is maintained for 1-5 h. The self-supporting oxygen evolution reaction electrocatalyst is synthesized, rich oxygen vacancies and heterostructures are successfully introduced through the vulcanization process, charge transfer of the oxygen evolution reaction is jointly enhanced, lower overpotential is shown under the same current density, stable operation can be achieved, and time is long.