Abstract: Disclosed is a compound of formula (I) or a pharmaceutically acceptable salt, prodrug, tautomer or stereoisomer, and solvate thereof. The compound can be applied to treatment of cancers and inflammations of mammals. Further disclosed are a preparation method for the compound of formula (I) and a pharmaceutical composition containing the compound.

Abstract: A fast industrial CT scanning system and a method are provided. The scanning system includes X-ray sources, detectors, a rotating table, control boxes, and a control unit. The X-ray sources, the detectors, the rotating table, and the control boxes are all connected to the control unit. The rotating table is used for placing a specimen detected. Three X-ray sources are annularly and uniformly arranged at an interval of 120° by taking an axis of the rotating table as a center. Distances from the three X-ray sources to the specimen detected are equal. Each X-ray source is mounted in a corresponding control box. Three detectors are annularly and uniformly arranged at an interval of 120° by taking the axis of the rotating table as a center. Distances from the three detectors to the specimen detected are equal.

Abstract: A fast industrial CT scanning system and a method are provided. The scanning system includes X-ray sources, detectors, a rotating table, control boxes, and a control unit. The X-ray sources, the detectors, the rotating table, and the control boxes are all connected to the control unit. The rotating table is used for placing a specimen detected. Three X-ray sources are annularly and uniformly arranged at an interval of 120° by taking an axis of the rotating table as a center. Distances from the three X-ray sources to the specimen detected are equal. Each X-ray source is mounted in a corresponding control box. Three detectors are annularly and uniformly arranged at an interval of 120° by taking the axis of the rotating table as a center. Distances from the three detectors to the specimen detected are equal.

Abstract: The present disclosure provides a preparation method of a modified positive electrode active material preparation method, which comprising steps of: dispersing a positive electrode active material matrix into an alcohol solvent to form a positive electrode active material matrix suspension; dissolving an alcohol-soluble aluminum salt in an alcohol solvent to form an alcohol-soluble aluminum salt solution; dissolving an alcohol-soluble phosphorous compound in an alcohol solvent to form an alcohol-soluble phosphorous compound solution; mixing the alcohol-soluble aluminum salt solution and the alcohol-soluble phosphorous compound solution and heating to react, obtaining a liquid-phase coating solution which contains aluminum phosphate after the reaction is finished; mixing and stirring the positive electrode active material matrix suspension and the liquid-phase coating solution which contains aluminum phosphate, extraction filtrating and obtaining a filter cake after the stirring is finished, then drying and ba

Abstract: The present invention provides a method for preparing a positive active material for a secondary lithium battery. The method includes the steps of: synthesizing an intermediate product of a core represented by formula LixMyN1-yO2-?A?; adding P source into the intermediate product to obtain a phosphate which does not contain lithium; and adding lithium source into the mixture of the phosphate and LixMyN1-yO2-?A? and sintering to obtain the positive active material for secondary lithium battery. The method for preparing a positive active material for a secondary lithium battery of the present invention has the following advantages: 1) the P source can be dispersed on the surface of the core more uniformly; 2) the coating layer can be bonded to the core more tightly; and 3) the positive active material has higher rate discharge performance.

Abstract: The present invention provides a positive active material for use in a secondary lithium battery, a method for preparing the positive active material and a secondary lithium battery containing the positive active material. The positive active material includes a core of lithium transition metal oxide represented by Formula LixMyN1-yO2-?A? and a coating layer of lithium transition metal silicate represented by Formula x?Li2O.y?N?Oa.SiO2-?B?which in-situ formed on the core, wherein 0.8?x?1.3, 0.6?y?1.0, 0.01?x??2.1, 0.2?y??1.5, 0.1?a?3.0, 0???0.2, 0???0.4, 0???0.5, 0???0.5. The positive active material according to the present invention has high capacity, desirable cycling performance and safety performance, as well as desirable thermal stability.

Abstract: The present disclosure provides a preparation method of a modified positive electrode active material preparation method, which comprising steps of: dispersing a positive electrode active material matrix into an alcohol solvent to form a positive electrode active material matrix suspension; dissolving an alcohol-soluble aluminum salt in an alcohol solvent to form an alcohol-soluble aluminum salt solution; dissolving an alcohol-soluble phosphorous compound in an alcohol solvent to form an alcohol-soluble phosphorous compound solution; mixing the alcohol-soluble aluminum salt solution and the alcohol-soluble phosphorous compound solution and heating to react, obtaining a liquid-phase coating solution which contains aluminum phosphate after the reaction is finished; mixing and stirring the positive electrode active material matrix suspension and the liquid-phase coating solution which contains aluminum phosphate, extraction filtrating and obtaining a filter cake after the stirring is finished, then drying and ba

Abstract: The present application provides a positive electrode material, a method for preparing the same and a Li-ion battery containing the positive electrode material, wherein, the positive electrode material is represented as Li1+xNiaCobMncMdO2, in which M is selected from one or more of Mg, Ti, Zn, Zr, Al and Nb. The positive electrode material provided by the present application has a small crystal volume and a small Li—Ni synchysis degree. In addition, after the positive electrode material provided by the present application is applied to a Li-ion battery, the Li-ion battery possesses a better cycle performance, a higher initial charge-discharge efficiency and a better power property. Moreover, in the present application, a precursor is prepared by a coprecipitation method, and then the precursor is sintered together with a Li source and a metal oxide to obtain the positive electrode material.

Abstract: The present invention provides a method for preparing a positive active material for a secondary lithium battery. The method includes the steps of: synthesizing an intermediate product of a core represented by formula LixMyN1-yO2-?A?; adding P source into the intermediate product to obtain a phosphate which does not contain lithium; and adding lithium source into the mixture of the phosphate and LixMyN1-yO2-?A? and sintering to obtain the positive active material for secondary lithium battery. The method for preparing a positive active material for a secondary lithium battery of the present invention has the following advantages: 1) the P source can be dispersed on the surface of the core more uniformly; 2) the coating layer can be bonded to the core more tightly; and 3) the positive active material has higher rate discharge performance.

Abstract: The present invention provides a positive active material for use in a secondary lithium battery, a method for preparing the positive active material and a secondary lithium battery containing the positive active material. The positive active material includes a core of lithium transition metal oxide represented by Formula LixMyN1-yO2-?A? and a coating layer of lithium transition metal silicate represented by Formula x?Li2O.y?N?Oa.SiO2-?B?which in-situ formed on the core, wherein 0.8?x?1.3, 0.6?y?1.0, 0.01?x??2.1, 0.2?y??1.5, 0.1?a?3.0, 0???0.2, 0???0.4, 0???0.5, 0???0.5. The positive active material according to the present invention has high capacity, desirable cycling performance and safety performance, as well as desirable thermal stability.

Abstract: The present invention provides a positive active material for use in a lithium ion battery, a method for preparing the positive active material and a lithium ion battery containing the positive active material. The positive active material includes a core of lithium containing transition metal oxide represented by Formula LixMyN1-yO2-?A? and a coating layer of lithium containing transition metal phosphate represented by Formula LiaMbN?1-bPO4-?B? in situ formed on the core, wherein 0.9?x?1.2, 0.6?y?1.0, 0.9?a?1.1, 0.6?b?1.0, 0???0.2, 0???0.4, 0???0.5, 0???0.5. The positive active material for use in a lithium ion battery according to the present invention has high capacity, desirable cycling performance and safety performance, as well as desirable thermal stability.