Abstract:
Provided are an organic/inorganic composite electrolyte, an electrode-electrolyte assembly and a lithium secondary battery including the organic/inorganic composite electrolyte, and a manufacturing method of the electrode-electrolyte assembly. The porous organic/inorganic composite electrolyte, includes a first pore peak in a pore size range of about 100 nm to about 300 nm in a total pore distribution chart, and 50% or more of pores having a pore size range of about 100 nm to about 300 nm based on a total pore volume.
Abstract:
Provided are an all-solid secondary battery and a method of preparing the same, wherein the all-solid secondary battery includes a positive electrode layer, a negative electrode layer, and a solid electrolyte layer arranged between the positive electrode layer and the negative electrode layer, wherein a mixed layer having a thickness of 2 μm or less is included between the negative electrode layer and the solid electrolyte layer, the mixed layer includes a negative electrode layer material and a solid electrolyte layer material, a thickness ratio of the negative electrode layer to the mixed layer is 2:1 to 50:1, and a mixing volume ratio of the negative electrode layer to the solid electrolyte in the mixed layer is 2:1 to 1:1.
Abstract:
The present invention relates an all solid-state battery, the all solid-state battery comprising: a current collecting body; a negative electrode comprising a negative electrode layer disposed on one surface of the current collecting body; a positive electrode; and a solid electrolyte layer located between the negative electrode and positive electrode, wherein the negative electrode layer thickness (a) and solid electrolyte layer thickness (b) have the relationship expressed in formula 1.
Abstract:
An anode material, an anode layer including the same, an all-solid secondary battery including the anode layer, and a method of manufacturing the all-solid secondary battery, the anode material including a metal-carbon composite, wherein the metal-carbon composite includes a carbon material; and metal particles, and the metal particles are dispersed and complexed in the carbon material, between particles of the carbon material, on a surface of the carbon material, or in two or more locations thereof.
Abstract:
Disclosed are an anode layer for an all-solid-state secondary battery, an all-solid-state secondary battery including the same, and a method of preparing the all-solid-state secondary battery. The anode layer for an all-solid-state secondary battery includes an anode current collector and a porous metal-based anode active material sheet positioned on the anode current collector, wherein the porous metal-based anode active material sheet is capable of precipitating lithium into the sheet during charging and the porous metal-based anode active material sheet may have a porosity of 30% to 90%.
Abstract:
An anode layer for all-solid secondary batteries, an all-solid secondary battery, and a method of manufacturing an all-solid secondary battery, the anode layer including an anode current collector; and a first anode active material layer on the anode current collector, wherein the first anode active material layer includes a metal-carbon composite including a metal, carbon, and a polyol.
Abstract:
Provided are a negative electrode layer for an all-solid secondary battery, and an all-solid secondary battery including the same, the negative electrode layer comprising a negative electrode current collector and a first negative electrode active material layer including a carbon-based material, wherein the carbon-based material includes a mixture of amorphous carbon black and crystalline carbon black, and satisfies that the D peak to G peak intensity ratio of the amorphous carbon black, obtained by Raman analysis, is 1.5 or more, and the D peak to G peak intensity ratio of the crystalline carbon black, obtained by Raman analysis, is greater than 0.5 and less than 1.5.
Abstract:
The present invention relates to an all-solid-state battery including: an electrode assembly including a negative electrode, a positive electrode, and a solid electrolyte between the negative electrode and the positive electrode; and a case for accommodating the electrode assembly, wherein the negative electrode includes a negative electrode current collector and a negative electrode active material layer including a negative electrode active material and a binder, the negative electrode active material includes a carbon-based material and metal particles, the binder includes a first polymer of a butadiene rubber, and a second polymer selected from carboxy alkyl cellulose (wherein alkyl is a C1 to C6 alkyl), a salt thereof, and a combination thereof, and the first polymer and the second polymer are included in a weight ratio of 1:1 to 6:1.
Abstract:
An anode material, an anode layer including the same, an all-solid secondary battery including the anode layer, and a method of manufacturing the all-solid secondary battery, the anode material including a metal-carbon composite, wherein the metal-carbon composite includes a carbon material; and metal particles, and the metal particles are dispersed and complexed in the carbon material, between particles of the carbon material, on a surface of the carbon material, or in two or more locations thereof
Abstract:
An anode layer for all-solid secondary batteries, an all-solid secondary battery, and a method of manufacturing an all-solid secondary battery, the anode layer including an anode current collector; and a first anode active material layer on the anode current collector, wherein the first anode active material layer includes a metal-carbon composite including a metal, carbon, and a polyol.