Provided are a positive electrode active material for a sodium secondary battery including: a sodium manganese-based oxide which includes at least sodium (Na), nickel (Ni), and manganese (Mn) and contains 55 mol % or more of manganese in all metals other than sodium, wherein the sodium…
A positive electrode active material may include a first positive electrode active material comprising a first lithium transition metal composite oxide and having an average particle diameter D50 from about 9 μm to about 20 μm and may comprise a second positive electrode active material comprising…
An electrode mixture including an active material and a solid electrolyte and exhibiting at least two peaks in a volume particle size distribution measured by laser diffraction particle size distribution analysis. In the volume particle size distribution, at least two peaks are preferably in the…
A positive active material for a rechargeable lithium battery, a preparing method thereof, and a rechargeable lithium battery including the same are provided. The positive active material for a rechargeable lithium battery includes a first positive active material including a first lithium…
The invention provides methods for providing composite particles with a carbon coating and the resulting core-shell particulate material. The process comprises subjecting a plurality of precursor composite particles to a heat treatment in contact with a pyrolytic carbon precursor such that an outer…
The present invention relates to a positive electrode active material and a lithium secondary battery including the same, and more particularly, to a bimodal-type positive electrode active material including a first lithium composite oxide as a small particle and a second lithium composite oxide as…
A positive electrode material is obtained by mixing a lithium manganese iron phosphate material and a ternary material. During mixing, a mass ratio n of the ternary material to the lithium manganese iron phosphate material in the positive electrode material is determined according to a range of a…
The present invention relates to a positive electrode active material for a lithium secondary battery, which includes two types of layered structure materials and may improve properties by controlling an optimum cation (lithium and transition metals) distribution capable of increasing activity of…
A nonaqueous electrolyte secondary battery provided with a positive electrode, a negative electrode and a nonaqueous electrolyte. An electrode mixture layer of the positive electrode contains: first lithium metal composite oxide particles that are non-aggregated particles which have a volume-based…
A positive electrode active material, a positive electrode plate, a secondary battery, and a power consuming apparatus are provided. The positive electrode active material includes (i) secondary particles and (ii) single-crystal or quasi-single-crystal particles. The secondary particles are mainly…
A positive electrode active material for a rechargeable lithium battery, a preparation method of the same, and a rechargeable lithium battery including the same are provided. A positive electrode active material includes a first particle including a compound represented by Formula 1 and having a…
Disclosed are a positive active material for a rechargeable lithium battery, a method of preparing the same, and a rechargeable lithium battery including the same. The positive active material includes a first positive active material in a form of secondary particles including a plurality of…
A positive electrode active material for a rechargeable lithium battery, a method for preparing the positive electrode active material, and a rechargeable lithium battery including the positive electrode active material are provided. The positive electrode active material includes first particles…
This application provides a positive electrode active material, a positive electrode plate, a secondary battery, a power consuming apparatus, and a preparation method. The positive electrode active material includes polycrystalline particles designated as the first active particles and…
Positive electrode active materials for a rechargeable battery, positive electrodes including the positive electrode active material, and rechargeable lithium batteries including the positive electrode are provided. A positive electrode active material includes first particles including a compound…
A lithium-ion battery may include a lithium-free cathode, a lithiated anode, and a separator/electrolyte between the lithium-free cathode and the lithiated anode. The lithium-free cathode may include FeOF and MnO. The FeOF may be in the form of nanorods, and the MnOmay be in the form of monolayer…
A secondary battery including a negative electrode plate. The negative electrode plate includes a negative electrode current collector and a negative electrode material layer disposed on at least one surface of the negative electrode current collector. The negative electrode material layer includes…
A negative electrode plate for a rechargeable lithium battery includes a negative electrode active material. The negative electrode active material includes a mixture of a first negative electrode active material, a second negative electrode active material and a third negative electrode active…
An electrode includes a current collector, a first active material layer on a first surface of the current collector, and a second active material layer on a second surface of the current collector, the second surface being opposite the first surface, wherein at least one of the first active…
Polymer derived ceramic (PDC) materials, compositions and methods of making high capacity, long cycle, long life battery anodes to improve the performance of batteries of all types, including but not limited to coin cell batteries, electric vehicle (EV) batteries, hybrid electric vehicle (HEV)…
This nonaqueous electrolyte secondary battery comprises a positive electrode, a negative electrode, and a nonaqueous electrolyte. The negative electrode includes a negative electrode core and a negative electrode mixture layer formed on at least one surface of the negative electrode core. The ratio…
Preparation of a silicon composite material, and a negative electrode plate containing same, relating to the field of silicon-based composite materials. The silicon composite material comprises silicon nanoparticles, carbon nanotubes, silicon oxide, lithium oxide, and lithium metasilicate. The…
Provided is a positive electrode active material which inhibits a decrease in discharge capacity while improving output in a low SOC region. The positive electrode active material includes: first particles that each consist of a first lithium transition metal composite oxide, the first lithium…
The present invention relates to a negative electrode active material for a lithium secondary battery, a method for preparing same, and a lithium secondary battery comprising same. More specifically, the negative electrode active material comprises one selected from LiTiOand a mixture in which…
Provided are a positive electrode material, a preparation method thereof, a positive electrode plate, a battery and an apparatus. The positive electrode material includes a positive electrode active substance, the positive electrode active substance including a first component and a second…
The present disclosure relates to a negative electrode slurry, a manufacturing method of the negative electrode slurry, and a negative electrode manufactured using the negative electrode slurry. The negative electrode slurry includes a first negative electrode active material including a silicon…
One embodiment of the present invention provides a secondary battery that can be used in a wide temperature range and is not susceptible to the ambient temperature. In addition, a highly safe secondary battery is provided. The secondary battery is manufactured with the use of three kinds or two…
Provided are: a negative electrode material for nonaqueous secondary batteries, which can yield a high-capacity nonaqueous secondary battery having excellent discharge rate characteristics; and a negative electrode for nonaqueous secondary batteries and a nonaqueous secondary battery. Also provided…
The present disclosure relates to an electrode for an electrochemical device, and more particularly, to a dry electrode and a method for manufacturing the same. According to an aspect of the present disclosure, there is provided a new method for manufacturing a dry electrode free of wrinkles in an…
A silicon-carbon (Si/C) composite anode material includes a carbon scaffold material of carbon particles having graphite sheets configured as generally hexagonally shaped cells interconnected to one another in a 3-D honeycomb-like structure of multiple cell arrays and having a plurality of pores…