Abstract: This disclosure relates generally to battery cells, and more particularly, cathode active materials for use in lithium-ion battery cells.

Abstract: This disclosure relates to cathode active materials for use in lithium-ion battery cells.

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: A transformer includes a magnetic core and four windings. The magnetic core includes a first flange, a second flange and a middle core part. The first terminal of the first winding, the third terminal of the second winding, the fifth terminal of the third winding and the seventh terminal of the fourth winding are disposed on the first flange. The second terminal of the first winding, the fourth terminal of the second winding, the sixth terminal of the third winding and the eighth terminal of the fourth winding are disposed on the second flange. The first winding and the second winding are twisted with each other to dispose around the middle core part. The third winding and the fourth winding are twisted with each other to dispose around the middle core part, or the third winding and the fourth winding are disposed around the middle core part in parallel.

Abstract: Compounds, particles, and cathode active materials that include lithium, cobalt, manganese, nickel, aluminum, and other elements can be used in lithium ion batteries. The cathode active materials include compounds having the general Formula (I): compound represented by Formula (I): Li?CO1-x-y-zMewMnxNiyAlzO?, as well as Formula (II): Li?CO1-s-u-vMesMntNiuAlyO?.

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 transformer includes a drum core and a coil set wound on the drum core. The coil set includes a conductive member and an insulating layer wrapping around the conductive member. A diameter of the conductive member is between 0.07 mm and 0.2 mm, and a ratio of an outer diameter of the insulating layer to the diameter of the conductive member is between 1.35 and 2.5.

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: 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: Cathode active materials have composite particles each with a base particle having the following formula: Li?NixMyCozO2, wherein 0.95???1.5, 0.6?x?1.0, 0?y?0.5, 0?z?0.5; x+y+z=1; and M is one of Mn and Al, and coating particles coating each base particle, the coating particles having the following formula: LiaNibMncCodO2, wherein 0.95?a?1.5, 0?b?0.35, 0?c?1.0, 0?d?1.0 and b+c+d=1.

Abstract: Cathode active materials have composite particles each with a base particle having the following formula: Li?NixMyCozO2, wherein 0.95???1.5, 0.6?x?1.0, 0?y?0.5, 0?z?0.5; x+y+z=1; and M is one of Mn and Al, and coating particles coating each base particle, the coating particles having the following formula: LiaNibMncCodO2, wherein 0.95?a?1.5, 0?b?0.35, 0?c?1.0, 0?d?1.0 and b+c+d=1.

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: 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: 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: 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: A composite electrode and a lithium-based battery are disclosed, wherein the composite electrode comprises: a substrate and a conductive layer formed on the substrate, wherein the conductive layer comprises graphite powders, Si-based powders, Ti-based powders, or a combination thereof embedded in a conductive matrix and coated with diamond films, and the diamond films are formed of diamond grains. The novel electrodes of the present invention when used in the Li-based battery can provide superior performance including excellent chemical inertness, physical integrity, and charge-discharge cycling life-time, and exhibit high electric conductivity and excellent lithium ion permeability.

Abstract: A composite electrode and a lithium-based battery are disclosed, wherein the composite electrode comprises: a substrate and a conductive layer formed on the substrate, wherein the conductive layer comprises graphite powders, Si-based powders, Ti-based powders, or a combination thereof embedded in a conductive matrix and coated with diamond films, and the diamond films are formed of diamond grains. The novel electrodes of the present invention when used in the Li-based battery can provide superior performance including excellent chemical inertness, physical integrity, and charge-discharge cycling life-time, and exhibit high electric conductivity and excellent lithium ion permeability.

Abstract: A transformer module includes at least one first casing, at least one second casing and at least one transformer. The first casing has a first receptacle. A protrusion structure is formed on an inner wall of the first receptacle. The second casing is accommodated within the first receptacle. The second casing includes plural winding terminals and a second receptacle. An angle of at least one outer-corner of the second casing is non-right angle so that the protrusion structure and the outer-corner define foolproof structures for limiting the install direction of the second case. The transformer is accommodated within the second receptacle. The transformer includes a magnetic core and at least one coil wound on the magnetic core. Both terminals of the coil are connected to respective winding terminals.