Abstract: A breast cancer diagnosis system includes a probe that sequentially outputs light of a plurality of wavelengths of a near-infrared area to a target object, receives reflected light, and sequentially processes the reflected light; a central control device that receives optical data of the reflected light sensed by the probe, calculates a concentration of chromophore of the target object for each chromophore, and generates an image of the chromophores indicating a distribution of the concentration value of each chromophore; and a display that outputs the image, in which in the probe, one or more channel signal processing units including one or more light irradiation modules and light collection modules may be disposed, and each of the channel signal processing units sequentially operates so that each of the channel signal processing units may generate the optical data of the reflected light.

Abstract: The electrolyte for a lithium secondary battery includes: a lithium salt; a solvent; and a functional additive, wherein the functional additive includes 1,2-bis(maleimido)ethane, represented by the following formula 1:

Abstract: Disclosed are, inter alia, a positive electrode slurry containing reduced content of a binder, a method of preparing the positive electrode slurry, a positive electrode made from the slurry and a lithium secondary battery including the positive electrode.

Abstract: A lithium ion secondary battery includes: an anode including an anode current collector and an anode coating layer coating a region of the anode current collector; a cathode including a cathode current collector, a cathode coating layer coating a region of the cathode current collector, and an inactive coating layer disposed on a surface of a region of the cathode current collector on which the cathode coating layer is not disposed, the inactive coating layer extending from one or more of both end portions of the cathode coating layer toward an end portion of the anode; and a separation membrane arranged between the cathode and the anode.

Abstract: Disclosed herein is a positive electrode material for a lithium (Li) secondary battery. The positive electrode material includes a positive electrode active material including Li—[Mn—Ti]-M—O containing transition metal M to allow reversible intercalation and reversible deintercalation of Li, and the positive electrode active material is coated with Li3PO4 to form a coating layer on a surface thereof.

Abstract: A method for preparing a positive electrode active material and a positive electrode active material prepared by the method are provided. The method includes preparing a lithium composite transition metal oxide represented by Formula 1, and washing the lithium composite transition metal oxide with a cleaning liquid containing cleaning water and a surfactant. The cleaning liquid contains cleaning water in an amount of no less than 50 parts by weight and less than 400 parts by weight based on 100 parts by weight of the lithium composite transition metal oxide.

Abstract: Disclosed are an electrolyte solution and an additive thereof, which may increase electrochemical properties of a lithium secondary battery.

Abstract: Disclosed are an electrolyte solution and an additive thereof, which may improve electrochemical properties of a lithium secondary battery.

Abstract: Disclosed is a positive electrode material for a lithium secondary battery. The positive electrode material includes a positive electrode active material formed of Li—[Mn—Ti]-M-O-based material including a transition metal (M) to enable reversible intercalation and deintercalation of lithium and molybdenum oxide.

Abstract: Disclosed are an electrolyte solution for lithium secondary batteries capable of increasing the lifetime of the lithium secondary batteries and a lithium secondary battery including the same. Provided is an electrolyte solution for lithium secondary batteries including a lithium salt, a solvent and allyl(4-nitrophenyl) carbonate.

Abstract: A method of preparing a positive electrode active material for a secondary battery is provided, which includes preparing a lithium composite transition metal oxide, and mixing the lithium composite transition metal oxide and a metal borate compound and performing a heat treatment to form a coating portion on surfaces of particles of the lithium composite transition metal oxide. The positive electrode active material prepared includes lithium composite transition metal oxide particles, and a coating portion formed on surfaces of the lithium composite transition metal oxide particles, wherein the coating portion includes lithium (Li)-metal borate.

Abstract: Disclosed is an additive for improving the electrochemical properties of a lithium secondary battery.

Abstract: Disclosed is an additive for increasing the electrochemical properties of lithium secondary batteries.

Abstract: A method of preparing a positive electrode active material includes forming a tungsten-doped lithium transition metal oxide, and washing the lithium transition metal oxide, wherein, in the washing, a hydroxide-based compound is added to a washing liquid during the washing, a positive electrode including a positive electrode active material prepared according to the method, and a lithium secondary battery including the positive electrode.

Abstract: Disclosed are a method for preparing an active material, the surface of which is modified, using a surface treatment solution and an active material prepared thereby, and more particularly, an active material in which the amount of impurities on the surface thereof is reduced and on the surface of which a metal oxide configured to cut off direct contact with an electrolyte is uniformly disposed by collectively performing both a washing process and a surface treatment process using a surface treatment solution having a novel composition.

Abstract: Disclosed herein is a positive electrode material for a lithium secondary battery, which has a high energy density with only a single positive electrode material, and a lithium secondary battery including the same. A positive electrode active material is made of Li—[Mn—Ti]—O-based material and doped with Al.

Abstract: Disclosed are an electrolyte solution for lithium secondary batteries and a lithium secondary battery including the same.

Abstract: The electrolyte solution for a lithium secondary battery includes: a lithium salt; a solvent; and an anode additive including 1-benzyl-5-(4-nitrophenyl)-1H-1,2,3-triazole-4-carbonitrile represented by Chemical Formula 1 below:

Abstract: The electrolyte solution for a lithium secondary battery includes: a lithium salt; a solvent; and an anode additive including 5-(4-cyanophenyl)-1-(4-fluorobenzyl)-1H-1,2,3-triazole-4-carbonitrile represented by Chemical Formula 1 below:

Abstract: The electrolyte for a lithium secondary battery comprises: a lithium salt; a solvent; and a functional additive, wherein the functional additive comprises naphthalen-1-yl sulfurofluoridate, represented by the following formula 1: