A secondary battery electrode plate includes: a composite portion having an active material on at least one side of a substrate; a non-coated portion having no active material on the substrate; and a transparent insulating layer covering at least a portion of the composite portion and at least a…
Disclosed is a lithium ion battery. The lithium ion battery includes a positive electrode plate, a negative electrode plate and a separator. The positive electrode plate, the separator and the negative electrode plate are stacked successively and then wound from inside to outside. The positive…
Disclosed is a lithium ion battery. The lithium ion battery includes a positive electrode plate, a negative electrode plate and a separator. The positive electrode plate, the separator and the negative electrode plate are stacked successively and then wound from inside to outside. The positive…
A negative active material, including a first active material including a silicon core and a carbon coating layer on the core, a carbon second active material having an aspect ratio of about 4 to about 100, and a crystalline carbon third active material.
A binder, an electrode and a lithium secondary battery comprising the same are described, wherein the binder includes a first block including a polymer containing functional groups substitutable with lithium ions and a second block. The second block may include a polymer containing oxygen atoms in…
An electrode for a secondary battery includes a substrate and an active material layer. The active material layer is placed on a surface of the substrate. In a surface of the active material layer, one or more grooves are formed. The groove extends linearly in a direction perpendicular to a…
An electrode for a rechargeable lithium battery includes: a current collector, one surface of the current collector being partitioned into a first region and a second region spaced apart from the first region; a safety functional layer on the first region; an active material layer on the first…
A lithium-ion secondary battery includes an inorganic filler having a mean particle size of 1 μm to 10 μm. A ratio A/B is 14 to 28, where A is a weight ratio of a second binder and the inorganic filler (i.e., second binder/inorganic filler) in an insulating layer, and B is a weight ratio of a first…
An electrode group includes a positive electrode, a negative electrode, a separator interposed between the positive electrode and the negative electrode, and a positive electrode lead electrically connected to the positive electrode. The positive electrode includes a positive electrode current…
A main object of the present disclosure is to provide an all solid state battery wherein interface resistance between a current collector and an active material layer is low. In the present disclosure, the above object is achieved by providing an all solid state battery comprising: an electrode…
An apparatus comprises a reaction chamber and at least one negative electrode reservoir configured to contain a negative electrode material. An electrode material distribution system is configured to manage the transfer of fluid electrode material between the at least one negative electrode…
The herein disclosed nonaqueous electrolyte secondary battery includes an electrode assembly in which a positive electrode including positive electrode active layers, a negative electrode including negative electrode active layers, and a separator are provided. The negative electrode active…
A cathodic electrode of a lithium-based accumulator includes a basic structure, which is formed from fibers, flakes or grains. For this purpose, the fibers, flakes or grains are interspersed with channels, cavities or open pores.
Provided are an anode active material including carbon-based particles, silicon nanowires grown on the carbon-based particles, and a carbon coating layer on surfaces of the carbon-based particles and the silicon nanowires, and a method of preparing the anode active material. Since the anode active…
The present invention addresses the problem of providing an electrode-forming composition, which is used for the purpose of producing a secondary battery that has excellent charge and discharge cycle characteristics, and which exhibits excellent dispersibility of an active material and a conductive…
Provided is a cathode active material for a lithium secondary battery, which can achieve both of excellent rate characteristic and practically sufficient durability (cycle characteristic) in the lithium secondary battery. The cathode active material for a lithium secondary battery includes open…
A method for producing conductive carbon coated particles of an at least partially lithiated electroactive core material comprises the step of premixing an oxidant electroactive material with a metallated reductant followed by chemically reacting the oxidant electroactive material with the…
The present invention provides a positive electrode for lithium ion battery reducing a contact resistance of a battery and achieving an excellent output property. The positive electrode for lithium ion battery comprising a mixed layer comprising: metal forming a current collector, and positive…
The present invention provides an electrode for a nonaqueous electrolyte secondary battery that can sufficiently improve the power output characteristic of the nonaqueous electrolyte secondary battery. The electrode for the nonaqueous electrolyte secondary battery includes a current collector and…
The present invention relates to a technique for producing a cathode film having a thin and even thickness and having stable electrical characteristics at a high productivity by an extrusion molding method. That is, the present invention provides a compounding agent composition for a cathode film…
An object of the invention is to provide a negative electrode for a nonaqueous electrolyte secondary battery having a small surface film resistance and a high negative electrode strength. The present invention relates to a negative electrode for a nonaqueous electrolyte secondary battery, wherein…
A non-aqueous electrolyte secondary battery containing an alloy particle capable of absorbing and desorbing lithium in the negative electrode has a short cycle life and is insufficient in high-rate discharge characteristics, since the alloy particle is pulverized during charge/discharge cycles. In…
Disclosed is a positive electrode for a non-aqueous electrolyte secondary battery, comprising: a positive electrode mixture layer; and a positive electrode current collector which carries the positive electrode mixture layer, with the positive electrode mixture layer comprising: at least one…
An electrode for a rechargeable lithium battery which includes a thin film composed of active material that expands and shrinks as it stores and releases lithium, e.g., a microcrystalline or amorphous silicon thin film, deposited on a current collector, characterized in that said current collector…
Providing a galvanic cell with lithium-intercalating electrode(s), in which the electrochemically active material is applied to a metal foil conductor. In a galvanic cell with lithium-intercalating electrode(s), in which the electrochemically active material is applied to a metal foil conductor…
Wet chemical production of electrode foils for galvanic cells containing lithium-intercalating electrode(s), which consist of mixture of NOTLESS 2 different fluorinated polymers (I) and insoluble electrochemically active materials (II) finely dispersed in the polymer matrix. (I) is dissolved in…
The present invention relates to a negative electrode material for a non-aqueous lithium secondary battery comprising a metal material M consisting of solid phases A and B, a graphite material, and a carbonaceous material having a crystallinity lower than that of said graphite material, wherein…
A conventional battery has a problem that a large short-circuit current was generated with temperature rise due to internal short-circuit or the like, and therefore, the temperature of the battery further increases due to exothermic reaction to increase the short-circuit current. The present…