An electrode (100, 200, 300, 400, 500, 600, 700) includes a current collector (110, 210, 310, 410, 510, 610, 710), a first active material layer (120, 220, 320, 420, 520, 620, 720) on a first surface of the current collector (110, 210, 310, 410, 510, 610, 710), and a second active material layer…
Provided is an anode for a secondary battery according to the inventive concept, wherein the anode includes an anode current collector, and a conductive nanostructure on the anode current collector, wherein the conductive nanostructure includes a core region including a core structure, and a first…
An electrode film roll made of a mixture containing an active material and a binder, said electrode film roll satisfying (1) to (3) below. (1) The rupture strength found by the following measurement method is 0.2 MPa or more. Measurement method: Rupture strength is defined as the strength at 75% of…
A negative electrode active material for a rechargeable lithium battery and a rechargeable lithium battery including the negative electrode active material are provided. The negative electrode active material includes natural graphite containing secondary particles in which primary particles are…
A negative electrode plate for a rechargeable lithium battery and a rechargeable lithium battery including the same are disclosed. A negative electrode plate for a rechargeable lithium battery includes a negative electrode active material including a mixture of a first negative electrode active…
A negative electrode active material for a rechargeable lithium battery and a rechargeable lithium battery including the negative electrode active material are provided. The negative electrode active material includes natural graphite containing secondary particles in which primary particles are…
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 dry negative electrode plate for a rechargeable lithium battery and a rechargeable lithium battery including the same are disclosed. A dry negative electrode plate for a rechargeable lithium battery includes a negative electrode active material and a binder, and the negative electrode active…
An exemplary embodiment of the present invention provides a spiral-wound electrode assembly including: a negative electrode and a positive electrode, each of which is configured to include a substrate, and a first composite material and a second composite material formed on opposite surfaces of the…
This invention discloses an anode film comprising: a processing aid having a number average particle size of less than 5 microns, anode active material, optionally a conductive carbon, and a fluoropolymer binder comprising PVDF and PTFE. The anode film is free of residue solvent. The anode film is…
A carpet of carbon nanotubes (CNTs) extends from a conductive substrate. The CNTs are bundled, and the bundles are bonded to the substrate to create low-resistance connections. A polymeric adhesive around the bases of the bundles binds the CNTs to the substrate without interfering with the…
An anodeless all-solid-state battery includes an anode current collector, a composite structure layer positioned on the anode current collector, a solid electrolyte positioned on the composite structure layer, and a cathode positioned on the solid electrolyte, in which the composite structure layer…
Provided an electrode for a rechargeable lithium battery and a rechargeable lithium battery including the same, the electrode including a current collector and a first active material layer disposed on the current collector and including a first active material, and a second active material layer…
An electrode assembly for lithium-ion batteries is presented. The electrode assembly includes a metal foil current collector with a laminated active material layer adhered to it and an aligned active material layer on top. The laminated layer maintains adhesion with the current collector during…
A negative electrode for a secondary battery includes a current collector and a negative electrode active material layer provided on at least one surface of the current collector. The negative electrode active material layer includes a first region corresponding to 50% of a total thickness of the…
A negative electrode for a lithium secondary battery in which lithium precipitation is suppressed. The negative electrode has a form in which a high degree of alignment of a carbon-based active material contained in a sliding portion of the negative electrode active layer is realized. Accordingly…
The present disclosure relates to a multi-electrode electrochemical apparatus. In one embodiment the apparatus has a first beam-like structure having a first material coating, with the first beam-like structure forming a first electrode. A second structure is included which has a second material…
A negative electrode includes: a negative electrode current collector and a negative electrode active material layer located on at least one surface of the negative electrode current collector. The negative electrode active material layer includes a negative electrode active material, where the…
An anodeless all-solid-state battery includes an anode current collector, a composite structure layer positioned on the anode current collector, a solid electrolyte positioned on the composite structure layer, and a cathode positioned on the solid electrolyte, in which the composite structure layer…
In an aspect, a Li-ion cell may comprise a densified electrode exhibiting an areal capacity loading of more than about 4 mAh/cm. For example, the densified electrode may a first electrode part arranged on a current collector and a second electrode part on top of the first electrode part, the second…
Provided an electrode for a rechargeable lithium battery and a rechargeable lithium battery including the same, the electrode including a current collector and a first active material layer disposed on the current collector and including a first active material, and a second active material layer…
A negative active material for a rechargeable lithium battery includes a composite of silicon and crystalline carbon, wherein the silicon has an average particle diameter (D50) of about 10 nm to about 150 nm, and the crystalline carbon has an average particle diameter (D50) of about 5 μm to about…
A secondary battery in which graphite that is an active material can occlude and release lithium efficiently is provided. Further, a highly reliable secondary battery in which the amount of lithium inserted and extracted into/from graphite that is an active material is prevented from varying is…
An electrode assembly that includes an electroactive material layer and a protective layer disposed on or adjacent to the electroactive material layer is provided. The protective layer includes a carbonaceous matrix formed from a fluoropolymer, where lithium fluoride and a nitrate salt are…
A negative active material for a rechargeable lithium battery and a rechargeable lithium battery including the same are disclosed, and the negative active material includes a primary particle of a crystalline carbon-based material and secondary particle that is an assembly of the primary particles…
A lithium-ion battery includes an electrode with a plurality of channels formed at least partially through its thickness. Each channel has a diameter in a range from 5 μm to 100 μm and/or is spaced apart from another channel by a distance in a range from 10 μm to 200 μm as measured between…
In an aspect, a Li-ion cell may comprise a densified electrode exhibiting an areal capacity loading of more than about 4 mAh/cm. For example, the densified electrode may a first electrode part arranged on a current collector and a second electrode part on top of the first electrode part, the second…
A lithium-ion battery anode layer, comprising an anode active material embedded in pores of a solid graphene foam composed of multiple pores and pore walls, wherein (a) the pore walls contain a pristine graphene material having essentially no (less than 0.01%) non-carbon elements or a non-pristine…
A secondary battery includes a cathode; an anode (1) including a plurality of carbon particles and a plurality of non-carbon particles, (2) the carbon particles containing graphite, (3) the non-carbon particles containing a material including, as a constituent element, one or more of silicon (Si)…