The present invention relates to a method of producing a porous composite comprising single-atom metal catalysts and nitrogen atoms by using a hierarchical carbon material from a carbon dioxide-containing gas. According to the present invention, a composite material is produced by producing a…
A battery includes an electrode assembly and a packaging bag. The electrode assembly includes an electrode plate and a separator. The separator includes a porous substrate. A first coating layer is disposed on at least one surface of the porous substrate. The first coating layer includes a first…
The present invention relates to a carbon material for a negative electrode active material comprising coke with an average porosity of less than 2%, a negative electrode active material using the same, and a lithium secondary battery.
An anode material comprising: a carbon material having pores therein, wherein a total pore volume of pores with a pore size of 3 nm or more and 1,000 nm or less, measured by mercury intrusion porosimetry is V1, and 0
An anode material includes a core and a coating layer. The coating layer is located on a surface of the core, the core includes natural graphite and first amorphous carbon filled in pores of the natural graphite, and the coating layer includes second amorphous carbon. A Raman spectrum of the anode…
The present application discloses a secondary battery comprising a negative electrode plate, an apparatus including the secondary battery, an artificial graphite and a preparation method thereof, the negative electrode plate comprising a negative active material, wherein the negative active…
The present disclosure relates to the technical field of batteries, and in particular relates to a negative electrode plate and a battery. The negative electrode plate comprises a negative electrode current collector and a negative electrode active coating layer on a surface of at least one side of…
A positive electrode and a method for manufacturing a positive electrode are provided. The method for manufacturing a positive electrode includes: forming a positive electrode active material including a carbon coating layer, and an aggregate; forming a slurry including the positive electrode…
A negative electrode active material for a rechargeable lithium battery and a rechargeable lithium battery including the same are disclosed. A negative electrode active material includes a mixture of a first negative electrode active material and a second negative electrode active material, the…
The present invention relates to a negative electrode plate for a rechargeable lithium battery and a rechargeable lithium battery including the same, wherein the negative electrode plate includes a negative electrode active material that includes a mixture of a first negative electrode active…
A carbon material may include granulated particles made of a carbonaceous material and satisfying (2L), wherein X is a volume-based average particle diameter determined by laser diffraction, and Xis an equivalent circular diameter determined from a cross-sectional SEM image, which is a reflected…
Provided is a negative electrode active material for a secondary battery including an active material in a bimodal form including small particles and large particles, in which the small particles are primary particles, and the large particles are secondary particles formed by granulating the…
A negative electrode material, including graphite, where the negative electrode material has an I-order lithium intercalation plateau potential P1 of 30 mV to 75 mV and an II-order lithium intercalation plateau potential P2 of 90 mV to 110 mV. The use of the negative electrode material of this…
The preparation method for a silicon-carbon anode material based on organosilicon-derived waste silicon powder includes: performing rapid annealing treatment on organosilicon-derived waste silicon powder, and mixing the rapidly annealed waste silicon powder with an acid solution for acid leaching…
The negative electrode includes a negative electrode current collector, and a negative electrode active material layer supported by the negative electrode current collector. The negative electrode active material layer includes a first layer existing on a side of a surface layer part and a second…
The present embodiments relate generally to stable cycling of metallic lithium under high current densities and realistic cell conditions based on a flower-like nanostructured hard carbon host (CF). In embodiments, CF is both intercalated with lithium ions and plated with lithium metal to render a…
The present disclosure provides a battery cell and a battery, wherein the battery cell comprises a battery cell body and a film casing. The film casing is wrapped around the exterior of the battery cell body. The battery cell body comprises a negative electrode plate. The negative electrode plate…
A pitch-based graphite composite material, a preparation method therefor and an application thereof are provided. The graphite is coated with pitch gel spheres, and a core-shell composite structure of pitch carbon microsphere coated graphite is obtained through pyrolysis and carbonization, so that…
Anode material, preparation method thereof, and battery. Anode material includes graphite and carbon layer located on at least part of surface of graphite. Particle surface and particle section of anode material are respectively tested by Raman spectroscopy, peak area ratio of D characteristic peak…
This invention relates generally to the field of energy storage, batteries, cathodes, and anodes. This invention also relates to anode materials and/or cathode materials and methods to make said materials.
The present disclosure relates to an anode material and a battery, the anode material comprises graphite, an interior and/or a surface of the graphite has pores, a pore volume of the anode material is V (cm/kg), a specific surface area is S (m/g), a tap density is T (g/cc), wherein, 2≤V*S/T≤10. By…
A negative electrode for a lithium secondary battery includes a negative electrode active layer and a negative electrode current collector. The negative electrode active layer includes a center region, an edge region, and a sliding region on the current collector, and has the advantage of…
The present application provides a carbon material, a method for preparing the same, and a secondary battery and an electrical device comprising the same. The carbon material includes an external region and an internal region disposed on the inside of the external region, the external region being…
This invention relates generally to the field of energy storage, batteries, cathodes, and anodes. This invention also relates to anode materials and/or cathode materials and methods to make said materials.
Disclosed herein are silicon-carbon composite mixtures containing a first silicon-carbon composite material including a porous carbon scaffold containing micropores and mesopores and a total pore volume no less than 0.5 cm/g, a silicon content from 30% to 70% and a plurality of particles having a…
The disclosure relates to the technical field of lithium ion batteries, and provides an MOF-derived carbon aerogel, a preparation method thereof and an application in lithium ion batteries. According to the method, [Cd(tppa)Cl] is first prepared. The MOF-derived carbon aerogel according the…
A negative active material for a rechargeable lithium battery and a rechargeable lithium battery that includes the negative active material. The negative active material includes a first active material, which includes tertiary particles of natural graphite in which secondary particles are…
Disclosed are an anode active material for an all-solid-state battery in which a lithophilic material is deposited inside and on particles.
An embodiment is directed to an electrode composition for use in an energy storage device cell. The electrode comprises composite particles, each comprising carbon that is biomass-derived and active material. The active material exhibits partial vapor pressure below around 10torr at around 400 K…
The invention relates to a process for the preparation of carbon-deposited alkali metal oxyanion and the use thereof as cathode material in lithium secondary batteries wherein the process comprises synthesis of partially reacted alkali metal oxyanion, a wet-based nanomilling step, a drying step and…