Abstract: A positive active material and a lithium battery including the positive active material. The positive active material includes a large diameter active material and a small diameter active material, wherein the small diameter active material includes a Ni-based lithium-transition metal composite oxide and a coating layer including a Mn-containing compound on at least a portion of the surface thereof.

Abstract: The present disclosure relates to a positive electrode active material including a lithium composite oxide represented by Formula 1, a method of preparing the positive electrode active material, and a lithium secondary battery including the positive electrode active material. LiaNixCoyM1-x-y-zAlzO2 ??[Formula 1] wherein in Formula 1, M may be at least one metal selected from manganese (Mn), magnesium (Mg), chromium (Cr), iron (Fe), titanium (Ti), zirconium (Zr), molybdenum (Mo), aluminum (Al), silicon (Si), and zinc (Zn), 1?a?1.3, x may be a number in a range of about 0.45 to about 0.6, y may be a number in a range of about 0.15 to about 0.3, and z may be a number in a range of about 0.003 to about 0.01.

Abstract: A cathode active material including: a lithium manganese oxide of which primary particles has a diameter of 1 ?m or more and which has a spinel structure in which an X-ray diffraction (XRD) peak intensity ratio of I(111)/I(311) is 1.0 or more; and a boron element disposed at least one position selected from the group consisting of inside the primary particles and on surfaces of the primary particles.

Abstract: A nickel composite hydroxide for a lithium secondary battery represented by Formula 1 below with a small compositional variation in M: Ni1-x-y-zCoxMyMnz(OH)2??(1), where, in Formula 1, M is aluminum (Al), zirconium (Zr), titanium (Ti), magnesium (Mg), silicon (Si), or zinc (Zn), x is a number from 0 to 0.5, y is a number from 0.01 to 0.2, and z is a number from 0 to 0.5.

Abstract: A positive active material, a method of preparing the same, and a lithium secondary battery including the positive active material.

Abstract: Provided are an ultrasound system and method for automatically activating an ultrasound probe based on motion of the ultrasound probe. The ultrasound system includes an ultrasound probe for transmitting an ultrasound signal to an object and receiving an ultrasound echo signal reflected from the object; a sensing unit for sensing the ultrasound probe and generating sensing information corresponding to motion of the ultrasound probe; and an automatic activation unit for activating the ultrasound probe based on the sensing information.

Abstract: A positive active material and a lithium battery including the positive active material. The positive active material includes a large diameter active material and a small diameter active material, wherein the small diameter active material includes a Ni-based lithium-transition metal composite oxide and a coating layer including a Mn-containing compound on at least a portion of the surface thereof.

Abstract: A positive active material for a lithium secondary battery is a compound represented by Formula 1 and is in a form of primary particles having a particle diameter in a range of 80 to 400 nm. Formula 1: LiaNixCoyMnzM1-x-y-zO2, wherein metal M is selected from the group of B, Cr, V, Ti, Fe, Zr, Zn, Si, Y, Nb, Ga, Sn, Mo, and W, 1.0?a?1.2, 0.9?x?0.95, 0.1?y?0.5, 0.0?z?0.7, and 0.0<1?x?y?z?0.3.

Abstract: An acoustic probe and an acoustic diagnostic system. The acoustic probe includes a housing; a transducer, which is arranged inside the housing, transmits an acoustic wave to a target object, and receives an acoustic echo signal from the target object; and a magnetic field generator, which is arranged inside the housing and generates a magnetic field to the target object.

Abstract: Disclosed herein is a portable ultrasonic diagnostic apparatus. The ultrasonic diagnostic apparatus includes a body part, a handle coupled to the body part and having a curved shape, and a display unit coupled to the handle. The handle has a curved shape to improve close contact feelings with an operator's palm, so that an operator does not experience palm fatigue even after extended use.

Abstract: A positive electrode including a current collector and a positive active material layer formed on the current collector, wherein the positive active material layer includes a positive active material, a conductive agent, and the boron-containing inorganic binder having a network structure; a method of manufacturing the same; and a lithium battery including the positive electrode.

Abstract: A medical instrument includes a main body including at least one of an operation part and a display part, and a detachable lever arranged on a rear portion of the main body, a cart including a desk on which the main body is positioned, a front detachable member disposed on the desk and adapted to attach and detach a front portion of the main body to/from the desk, and a rear detachable member disposed on the desk and adapted to attach and detach a rear portion of the main body to/from the desk and fix the main body to the desk by the detachable lever.

Abstract: A nickel composite hydroxide for a lithium secondary battery represented by Formula 1 below with a small compositional variation in M: Ni1-x-y-zCoxMyMnz(OH)2??(1), where, in Formula 1, M is aluminum (Al), zirconium (Zr), titanium (Ti), magnesium (Mg), silicon (Si), or zinc (Zn), x is a number from 0 to 0.5, y is a number from 0.01 to 0.2, and z is a number from 0 to 0.5.

Abstract: A green phosphor including a compound represented by Formula 1 (Y3-xMx) (Al5-yM?y)O12:Cez and a pigment. The green phosphor having the compound represented by Formula 1 and a pigment has a shorter decay time than conventional phosphors, and thereby confers excellent luminescence characteristics and color purity. A display panel including the green phosphor 1 is also provided herein.

Abstract: A blue phosphor, a display device including the same, and associated methods, the blue phosphor including BaMgAl10O17:Eu (BAM) phosphor particles having a surface component and an internal component, wherein an aluminum/barium (Al/Ba) molar ratio of the surface component of the phosphor particles is 1.1 to about 1.4 times the Al/Ba molar ratio of the internal component of the phosphor particles, and the Al/Ba molar ratios are continuously variable between the internal component and the surface component.

Abstract: A cathode active material including: a lithium manganese oxide of which primary particles has a diameter of 1 ?m or more and which has a spinel structure in which an X-ray diffraction (XRD) peak intensity ratio of I(111)/I(311) is 1.0 or more; and a boron element disposed at least one position selected from the group consisting of inside the primary particles and on surfaces of the primary particles.

Abstract: A phosphor composition including a first phosphor represented by Formula 1: Ba1-bMg1-aAl10O17:Mna,Eub??(1). In Formula 1, a and b satisfy the relations: 0.05?a?0.4, and 0.006?b<0.05.

Abstract: The phosphor composition including a first phosphor represented by Formula 1: Y3?x?kCekM?xAla?yM?yO(1.5a+4.5)??(1). In Formula 1, M? includes at least one of Sc, In, and La, M? includes at least one of Ga, Sc, and In, and x, y, k, and a satisfy the relations: 0.0?x<3.0, 0.0<y?7.0, 0.0<k<0.1, 4.0?a?7.0, a?y?0.0, and x+k?3.0.