Abstract: A reference electrode with a sulfonated polyether ether ketone/ionic liquid (SPEEK/IL) sandwich structure, and a preparation method and use thereof are provided. In the reference electrode, an end of a reference electrode main body is provided with the SPEEK/IL sandwich structure; the SPEEK/IL sandwich structure includes two layers of SPEEK/IL composite film and one layer of SPEEK film, and the SPEEK film is arranged at an outermost layer of the SPEEK/IL sandwich structure.

Abstract: An iridium/iridium oxide electrode for quantitatively detecting pH in a sulfide ion environment, and a preparation method and use thereof are provided. In the present disclosure, a sensitive layer of the iridium/iridium oxide electrode is coated with a sulfonated polyether ether ketone/ionic liquid (SPEEK/IL) sandwich structure. The SPEEK/IL sandwich structure includes two layers of SPEEK/SiOx/IL composite film and one layer of SPEEK film. The SPEEK film is arranged on an outermost layer. The SPEEK/IL sandwich structure covered on a surface of the electrode has an isolation effect on ions other than hydrogen ions, and especially shows a desirable isolation effect on sulfide ions with a smaller ion size. In this way, the electrode is not easily disturbed by redox substances in a complex aqueous environment.

Abstract: Compounds, particles, and cathode active materials that can be used in lithium ion batteries are described herein. Methods of making such compounds, powders, and cathode active materials are described.

Abstract: A cathode active material includes a plurality of cathode active compound particles and a coating disposed over each of the cathode active compound particles. The coating includes a lithium (Li)-ion conducting oxide containing lanthanum (La) and titanium (Ti).

Abstract: Cathode active materials are provided. The cathode active material can include a plurality of cathode active compound particles. A coating is disposed over each of the cathode active compound particles. The coating can include at least one of ZrO2, La2O3, a mixture of Al2O3 and ZrO2 or a mixture of Al2O3 and La2O3. The battery cells that include the cathode active material are also provided.

Abstract: Cathode active materials are provided. The cathode active material can include a plurality of cathode active compound particles. A coating is disposed over each of the cathode active compound particles. The coating can include at least one of ZrO2, La2O3, a mixture of Al2O3 and ZrO2 or a mixture of Al2O3 and La2O3. The battery cells that include the cathode active material are also provided.

Abstract: Disclosed are a sample generation method, a model training method, a trajectory recognition method, a device, and a medium. The method is: determining a code result of a training Chinese character according to a preset code library, where the preset code library is generated based on code characters in a five-stroke code corpus; taking the code result as a training label of the training Chinese character; and generating a training sample according to both a writing trajectory and the training label of the training Chinese character. The amount of information carried in the training sample is enriched.

Abstract: Compounds, particles, and cathode active materials that can be used in lithium ion batteries are described herein. Methods of making such compounds, powders, and cathode active materials are described. The particles have a particle size distribution with a D50 ranging from 10 ?m to 20 ?m.

Abstract: A compound represented by LiaCo(1-x-2y)Mex(M1M2)yO?, (Formula (I)) wherein Me, is one or more of Li, Mg, Al, Ca, Ti, Zr, V, Cr, Mn, Fe, Ni, Cu, Zn, Ru and Sn, and wherein 0?x?0.3, 0<y?0.4, 0.95???1.4, and 1.90???2.10 is disclosed. Further, particles including such compounds are described.

Abstract: Compounds, powders, and cathode active materials that can be used in lithium ion batteries are described herein. Methods of making such compounds, powders, and cathode active materials are described.

Abstract: Gene knockout method based on base editing and its application is provided. The gene knockout method comprises: selecting a 20 bp-NGG target sequence of the coding region of the gene to be knocked out, so that it contains a complete target codon CAA, CAG or CGA; and using sgRNA sequence to locate BE3 to the target sequence, to convert the target single-base C of the target codon into T and thus introduce a corresponding termination codon TAA, TAG orTGA in order to realize the knockout, wherein the target single-base C is located preferably on site 4-8 in the target sequence, the interval between the target codon and NGG is 12 to 14 bp, and the upstream base (H) near the target codon cannot be G; and the sgRNA sequence is a 20 bp sequence complementary to the target sequence.

Abstract: The disclosure provides a plurality of particles. Each particle may include a material comprising 0.95 to 1.30 mole fraction Li, at least 0.60 and less than 1.00 mole fraction Co, up to 10,000 ppm Al, 1.90 to 2.10 mole fraction O, and up to 0.30 mole fraction M, where M is at least one element selected from B, Na, Mg, P, Ti, Ca, V, Cr, Fe, Mn, Ni, Cu, Zn, Al, Sc, Y, Ga, Zr, Ru, Mo, La, Si, Nb, Ge, In, Sn, Sb, Te, and Ce. Each particle may also include a surface composition comprising a mixture of LiF and a metal fluoride. An amount of fluorine (F) is greater than 0 and less than or equal to 5000 ppm. The metal fluoride comprises a material selected from the group consisting of AlF3, CaF2, MgF2, and LaF2. The surface composition may also include a metal oxide comprising a material selected from the group consisting of TiO2, MgO, La2O3, CaO, and Al2O3. An amount of the metal oxide is greater than 0 and less than or equal to 20000 ppm.

Abstract: Compounds, particles, and cathode active materials that can be used in lithium ion batteries are described herein. Methods of making such compounds, powders, and cathode active materials are described.

Abstract: Compounds, particles, and cathode active materials that can be used in lithium ion batteries are described herein. Methods of making such compounds, powders, and cathode active materials are described.

Abstract: Compounds, particles, and cathode active materials that can be used in lithium ion batteries are described herein. Methods of making such compounds, powders, and cathode active materials are described. The particles have a particle size distribution with a D50 ranging from 10 ?m to 20 ?m.

Abstract: A cathode active material includes a plurality of cathode active compound particles and a coating disposed over each of the cathode active compound particles. The coating includes a lithium (Li)-ion conducting oxide containing lanthanum (La) and titanium (Ti).

Abstract: A compound represented by Li?Co(1-x-2y)Mex(M1M2)yO?, (Formula (I)) wherein Me, is one or more of Li, Mg, Al, Ca, Ti, Zr, V, Cr, Mn, Fe, Ni, Cu, Zn, Ru and Sn, and wherein 0?x?0.3, 0<y?0.4, 0.95???1.4, and 1.90???2.10 is disclosed. Further, particles including such compounds are described.

Abstract: A compound represented by Li?Co(1-x-2y)Mex(M1M2)yO?, (Formula (I)) wherein Me, is one or more of Li, Mg, Al, Ca, Ti, Zr, V, Cr, Mn, Fe, Ni, Cu, Zn, Ru and Sn, and wherein 0?x?0.3, 0<y?0.4, 0.95???1.4, and 1.90???2.10 is disclosed. Further, particles including such compounds are described.