An electrode for a rechargeable battery includes a current collector having a first region and a second region. A dry electrode film is positioned on at least one surface of the first region and not positioned on the second region. Each of the first region and the second region includes a plurality…
An anode for a lithium secondary battery according to embodiments of the present disclosure includes: an anode current collector; and an anode active material layer disposed on at least one surface of the anode current collector, wherein the anode active material layer includes a first anode active…
Non-graphitizable carbon, a negative electrode for a lithium-ion secondary battery, and a lithium-ion secondary battery are disclosed. In the non-graphitizable carbon, a strain ε determined by a method in which an X-ray diffraction pattern is subjected to Rietveld analysis to obtain a profile and…
A class of cathode materials and secondary ion batteries containing these materials are provided. These cathode materials at least include a cathode active substance comprising a first active substance and a carrier. The first active substance is selected from alkali metal halide or alkali metal…
The present disclosure relates to a negative electrode for a rechargeable lithium battery, a wound-type electrode assembly including the negative electrode, and a rechargeable lithium battery including the negative electrode. The present disclosure relates to a negative electrode for a lithium…
An anode for a lithium secondary battery includes an anode current collector and an anode composite layer disposed on at least one surface of the anode current collector and including a graphite-based anode active material, wherein the anode composite layer includes a first anode composite layer…
Disclosed is a negative electrode composition for a lithium ion secondary battery, a negative electrode slurry including the negative electrode composition for the lithium ion secondary battery, a negative electrode for the lithium ion secondary battery, and the lithium ion secondary battery. The…
Hard carbon with sieving closed-pore structure and its preparation method are disclosed. Biomass mixture such as cotton, farm biowaste, or a mixture with 70-90% cellulose, 9-20% hemicellulose, and 1-10% lignin, etc., is applied as the raw material. This mixture is subjected to calcination at…
Disclosed is a positive electrode for all-solid-state battery and an all-solid-state battery comprising same. More specifically, the positive electrode active material layer of the positive electrode comprises a positive electrode active material, a sulfide-based solid electrolyte, and a conductive…
A sulfur electrode and a method for manufacturing the same are disclosed. The method for manufacturing the sulfur electrode includes: growing carbon fibers on a surface of stainless steel; connecting the stainless steel on which the carbon fibers are grown to a cathode of a current controller in an…
An anode material having 0.8≤0.06×(Dv50)−2.5×Dv50+Dv99≤12, where Dv50 represents a numerical value of a particle size measured at a cumulative volume of 50% in a volume-based particle size distribution of the anode material, and Dv99 represents a numerical value of a particle size measured at a…
A battery including a positive electrode assembly and a negative electrode assembly with a porous matrix of graphite-based active material, and lithiophilic nanoparticles occupying pores defined by the porous matrix, is presented. The negative electrode assembly may be formed by loading nickel…
A method for manufacturing the negative electrode of a lithium-ion battery. The method involves the use of silicon nanoparticles bonded with carbon atoms to create a robust three-dimensional network, such Si—C bonding enhances the mechanical strength of the battery anode, mitigating expansion…
An anode electrode is provided. The anode electrode includes an anode current collector and an anode active material layer disposed on the anode current collector. The anode active material layer includes an electrochemically active material, a dispersant polymer binder, an adhesive polymer binder…
The present invention relates to nanostructured materials (including nanowires) for use in batteries. Exemplary materials include carbon-comprising, Si-based nanostructures, nanostructured materials disposed on carbon-based substrates, and nanostructures comprising nanoscale scaffolds. The present…
A negative electrode plate includes: a negative electrode current collector, and a negative electrode film layer located on at least one surface of the negative electrode current collector and including first and second negative electrode active material particles. The first negative electrode…
A graphite composite negative electrode material, a preparation method therefor and an application thereof. A coating layer formed by mixing a plurality of substances is coated on the surface of graphite, the high theoretical specific capacity of titanium niobate is utilized, and carbon nanotubes…
A negative electrode plate comprising a substrate, which comprises a current collector and negative electrode active material bonded on the current collector; first lithium bands arranged on a front surface of the substrate; second lithium bands arranged on a back surface of the substrate; the…
A positive electrode containing a sulfur-carbon composite and a lithium secondary battery including the same are discussed. More specifically, a network-shaped coating layer including a conductive polymer on a surface of the sulfur-carbon composite, and thus the conductivity of the sulfur-carbon…
A negative electrode for a secondary battery includes: a current collector; a first negative electrode active material layer formed on the current collector and containing a first active material; and a second negative electrode active material layer formed on the first negative electrode active…
The present disclosure relates to a method for preparing a porous carbon material including: (1) a step of centrifugally milling a porous carbon material; and (2) a step of filtering the centrifugally milled porous carbon material through a sieve, wherein a mesh size of the sieve is 2.8 to 4 times…
A method can include providing a first pre-mix that includes a first population of solid particles of a first material for lithiation in an electrode of a lithium-ion cell and a second population of solid particles for a second material for lithiation in the electrode of the lithium-ion cell…
Provided are a secondary battery, a battery module, a battery pack and an electric device. The secondary battery includes an electrode assembly and an electrolytic solution configured to infiltrate the electrode assembly, wherein the electrode assembly includes a negative electrode plate, a…
A hard carbon. A total quantity of adsorbed nitrogen under a relative pressure P/Pof nitrogen between 10and 0.035 is Vcm(STP)/g and a total quantity of adsorbed nitrogen under a relative pressure P/Po of nitrogen between 0.035 and 1 is Vcm(STP)/g in a nitrogen adsorption isotherm determined at a…
This application discloses a negative-electrode active material and a preparation method thereof, a secondary battery, and a battery module, a battery pack, and an apparatus that include such secondary battery. The negative-electrode active material includes a core and a coating layer covering at…
An electrode for power storage devices includes: a resin layer; a conductive layer containing copper and being disposed on the resin layer; and an active material layer containing graphite and being disposed on the conductive layer, wherein when measured by an X-ray diffraction method from a…
A negative electrode plate may comprise a negative electrode current collector and a negative electrode film layer provided on at least one surface of the negative electrode current collector; the negative electrode film layer may comprise a first region and a second region along the width…
An anode material having 0.8≤0.06×(Dv50)−2.5×Dv50+Dv99≤12 (1); and 1.2≤0.2×Dv50−0.006×(Dv50)+BET≤5 (2), where Dv50 represents a value in the volume-based particle size distribution of the anode material that is greater than the particle size of 50% of the particles, Dv99 represents a value in the…
A negative active material for a rechargeable lithium battery and a rechargeable lithium battery including the same, the negative active material including a rod-shaped crystalline carbon; and a silicon-carbon composite.
A negative active material for a rechargeable lithium battery and a rechargeable lithium battery including the same, the negative active material including a rod-shaped crystalline carbon; and a silicon-carbon composite.