The present disclosure relates to an electrode for a rechargeable lithium battery, containing an electrode current collector, and a multi-layered active material layer. The multi-layered active material layer includes a first active material layer, a second active material layer, and a third active…
A disclosed positive electrode is a positive electrode for a nonaqueous electrolyte secondary battery. The positive electrode includes a positive electrode current collector and a positive electrode mixture layer disposed on the positive electrode current collector. The positive electrode mixture…
A non-aqueous electrolyte secondary battery comprises an electrode body and an exterior body, and has a volumetric energy density of 600 Wh/L or more. The positive electrode includes: a positive electrode core body; and a positive electrode mixture layer containing a positive electrode active…
According to one approach, provided is a secondary battery (100) including a positive electrode (5) containing a positive electrode active material, a negative electrode (3) containing a negative electrode active material, a separator (4) between the positive electrode (5) and the negative…
Described are a coated particulate material for use in an electrode of an electrochemical cell and a process for preparing said coated particulate material, an electrode comprising said coated particulate material for use in an electrochemical cell, an electrochemical cell comprising said coated…
This electrode for a nonaqueous electrolyte secondary battery comprises a current collector, an active material layer formed on the current collector, and a filler particle aggregate present in an island shape on a surface of the active material layer, wherein said filler particles are compound…
The present disclosure relates to a positive electrode active material for rechargeable lithium ion batteries and a method of preparing the positive electrode active material, in which a compound including sulfur is used as an additive in a wet treatment process to remove residual lithium…
An all-solid-state battery has a positive electrode layer, a separator layer and a negative electrode layer. The all-solid-state battery satisfies relationships of “Formula (1): 0.99≤S/S≤1.01,” “Formula (2): 1.00≤S/S≤1.13,” and “Formula (3): 0.93≤S/S≤1.02.” Sindicates an area of the positive…
An electrode material may include an active material particle containing: a niobium-titanium composite oxide having an average composition in which a molar ratio of niobium to titanium (M/M) is greater than 2; and at least one element A selected from the group consisting of potassium, iron and…
A positive electrode active material includes a lithium transition metal oxide and a coating element M-containing coating layer formed on a surface of the lithium transition metal oxide, wherein Mcomprises at least one of Al, Ti, Mg, Zr, W, Y, Sr, or Co, wherein the lithium transition metal oxide…
An electrochemical device includes a cathode, a separator and an anode. The cathode includes a cathode current collector, a first cathode active material layer including a first cathode active material, a second cathode active material layer including a second cathode active material, and an…
An electrode for a lithium secondary battery includes an electrode current collector, an electrode active material layer formed on at least one surface of the electrode current collector and including electrode active material particles, and a lithium salt-containing coating formed on at least…
An electrode material may include an active material particle containing: a niobium-titanium composite oxide having an average composition in which a molar ratio of niobium to titanium (M/M) is greater than 2; and at least one element A selected from the group consisting of potassium, iron and…
In a method of manufacturing a cathode active material for a lithium secondary battery, a preliminary lithium metal oxide particle is prepared. The preliminary lithium metal oxide particle is cleaned using a boron compound cleaning solution. A cathode active material for a lithium secondary…
A cathode for a lithium secondary battery includes a cathode current collector, and a cathode active material layer on the cathode current collector. The cathode active material layer includes a plurality of a lithium-metal oxide particle that has a shape of a single particle. An activation energy…
Silicon oxide based materials, including composites with various electrical conductive compositions, are formulated into desirable anodes. The anodes can be effectively combined into lithium ion batteries with high capacity cathode materials. In some formulations, supplemental lithium can be used…
A positive electrode active material includes a lithium transition metal oxide, which is doped with doping element M, wherein Mincludes at least one of Al, Ti, Mg, Zr, W, Y, Sr, Co, F, Si, Na, Cu, Fe, Ca, S, or B, and contains nickel in an amount of 60 mol % or more based on a total number of moles…
A cathode material comprising: a cathode active material of formula LiNiMnCoOor NaNiMnCoOand having a partial or whole particle concentration gradient, wherein at least two or three elements concentration gradually change in the part or whole particle from the center part to the surface part of the…
A porous reduced silica fiber material has a diameter of about 0.1 to about 20 microns and a surface area of about 5 m/g to about 400 m/g. The porous reduced fiber material may be used to form an electrode having a high capacity and improved cycle life over comparable commercial silicon electrodes.
A lithium secondary battery includes a cathode including a cathode current collector, and a first cathode active material layer and a second cathode active material layer sequentially formed on the cathode current collector, an anode, and a separation layer interposed between the cathode and the…
The cathode active material for a lithium secondary battery according to embodiments of the present invention includes lithium-transition metal composite oxide particles including a plurality of primary particles, and the lithium-transition metal composite oxide particles have a…
An electrochemical device includes a cathode, a separator and an anode. The cathode includes a cathode current collector, a first cathode active material layer including a first cathode active material, a second cathode active material layer including a second cathode active material, and an…
A lithium battery includes: a positive electrode having a positive active material; a negative electrode including lithium metal; and a solid electrolyte disposed therebetween. The solid electrolyte contains at least one oxide represented by LiMM′O(Formula 1), LiM″OA′(Formula 2), or LiM′″O(Formula…
The present disclosure provides a stretchable and flexible sweat-activated graphene-coated Ni foam-based Mg—Obattery capable of powering an intelligent and flexible electronics for health monitoring purposes with different biosensors.
Disclosed is a negative electrode active material which includes: a silicon oxide composite including i) Si, ii) a silicon oxide represented by SiO (0 < x ≤ 2), and iii) magnesium silicate containing Si and Mg; and a carbon coating layer positioned on the surface of the silicon oxide composite and…
The positive electrode active material has high capacity and high output and exhibiting excellent cycle characteristics when being used for a positive electrode of a non-aqueous electrolyte secondary battery. A positive electrode active material for a lithium ion secondary battery contains: a…
A powder for use in a negative electrode of a battery, said powder comprising particles, wherein the particles comprise a carbonaceous matrix material and silicon-based domains dispersed in the carbonaceous matrix material, wherein the particles further comprise pores wherein at least 1000…
A lithium secondary battery comprises a cathode, an anode, a separator and a nonaqueous electrolyte solution. The cathode includes a first cathode active material in which at least one of metals included in the first cathode material has a concentration gradient region between a central portion and…
The cathode active material for a lithium secondary battery according to embodiments of the present invention includes lithium-transition metal composite oxide particles including a plurality of primary particles, and the lithium-transition metal composite oxide particles have a…
A solid-state ion conductor includes a compound of Formula (I): LiMMM″OXX Formula (I) wherein, Mis a cationic element having an oxidation state of +2 or +3; Mis a cationic element having an oxidation state of +4 or +5; M″ is a cationic element having an oxidation state of γ, wherein γ is less than…