Abstract: The present disclosure relates to an all-solid lithium secondary battery and a preparation method thereof, wherein the all-solid lithium secondary battery includes a positive electrode active material layer, a negative electrode active material layer, and a solid electrolyte layer disposed between the positive electrode active material layer and the negative electrode active material layer, wherein the negative electrode active material layer includes platelet carbon nanofibers (Platelet Carbon Nano Fiber, PCNF) and silver nanoparticles.

Abstract: The present disclosure relates to an all-solid lithium secondary battery and a preparation method thereof, wherein the all-solid lithium secondary battery includes a positive electrode active material layer, a negative electrode active material layer, and a solid electrolyte layer disposed between the positive electrode active material layer and the negative electrode active material layer, wherein the negative electrode active material layer includes a carbon structure and silver nanoparticles, the carbon structure includes a structure in which a plurality of graphene sheets are connected to each other, and the plurality of graphene sheets include two or more graphene sheets having different plane directions.

Abstract: The present disclosure relates to an all-solid lithium secondary battery and a preparation method thereof, wherein the all-solid lithium secondary battery includes a positive electrode active material layer, a negative electrode active material layer, and a solid electrolyte layer disposed between the positive electrode active material layer and the negative electrode active material layer, wherein the negative electrode active material layer includes a carbon structure and silver nanoparticles, the carbon structure includes at least one hollow-type particle, and the hollow-type particle includes a hollow and a carbonaceous shell surrounding the hollow.

Abstract: An all-solid lithium secondary battery and a preparation method thereof are proved. The all-solid lithium secondary battery comprises a positive electrode active material layer, a negative electrode active material layer including graphitized platelet carbon nanofibers and silver nanoparticles, and a solid electrolyte layer between the positive electrode active material layer and the negative electrode active material layer.

Abstract: A negative electrode for all-solid-state battery and a lithium secondary battery including the same are provided. The negative electrode includes a negative electrode current collector formed of an electrically conductive metal material, a coating layer formed on one surface or opposite surfaces of the negative electrode current collector, the coating layer including a lithiophilic material, and an ion transport layer formed on the coating layer, the ion transport layer including amorphous carbon configured to allow lithium ions to move therethrough.

Abstract: A negative electrode for all-solid-state batteries and an all-solid-state battery including the same are provided. The negative electrode includes a coating layer disposed on a surface of a negative electrode current collector, the coating layer having ionic conductivity and electrical conductivity, and is configured such that lithium dendrites are formed between the coating layer and the negative electrode current collector, thereby preventing microscopic short circuit.

Abstract: An electrode for a lithium secondary battery including a silicon-based alloy having an expansion coefficient of 10% or greater and an electrochemically inactive whisker, and a lithium secondary battery using the electrode for a lithium secondary battery.

Abstract: The present invention provides a method for synthesizing a Bi2TeySe3-y thermoelectric nanocompound (0<y<3), comprising the following steps: preparing a Bi—Te—Se solution by adding Bi, Te, and Se precursors to a solvent (step 1); preparing a hydrate by mixing the Bi—Te—Se solution prepared in step 1) with a base aqueous solution (step 2); preparing a Bi2TeySe3-y reactant by liquid phase reduction at room temperature after adding a reducing agent to the hydrate prepared in step 2) (step 3); aging the Bi2TeySe3-y reactant prepared in step 3) (step 4); and preparing Bi2TeySe3-y nanoparticles by filtering and drying the Bi2TeySe3-y reactant aged in step 4) (step 5). The Bi2TeySe3-y thermoelectric nanocompound synthesized by the method of the present invention via liquid phase reduction is composed of regular nanoparticles since the method does not need any additional heat-treatment to eliminate chemical additives and prevents particles from being over-grown.

Abstract: The present invention provides a method for synthesizing a BixSb2-xTe3 thermoelectric nanocompound (0<x<2), comprising the following steps: preparing a Bi—Sb—Te solution by adding Bi, Sb, and Te precursors to a solvent (step 1); preparing a Bi—Sb—Te hydrate by mixing the Bi—Sb—Te solution prepared in step 1) with a base aqueous solution (step 2); preparing a BixSb2-xTe3 reactant by liquid phase reduction at room temperature after adding a reducing agent to the Bi—Sb—Te hydrate prepared in step 2) (step 3); aging the BixSb2-xTe3 reactant prepared in step 3) (step 4); and preparing BixSb2-xTe3 nanoparticles by filtering and drying the BixSb2-xTe3 reactant aged in step 4) (step 5). The BixSb2-xTe3 thermoelectric nanocompound synthesized by the method of the present invention via liquid phase reduction is composed of regular nanoparticles since the method does not need any additional heat-treatment to eliminate chemical additives and prevents particles from being over-grown.

Abstract: A computer-implemented method and system for assigning yield and revenue values to web page content in real time. The method and system may comprise the steps of: providing a script component and an application server; prompting a user to embed the script component into a web page; analyzing the ad metadata of the web page; sending, based at least in part on the ad metadata and the visitor metadata, the event to the application server; analyzing the event; determining, based at least in part on the event, the one or more ads that would be displayed on the web page; and determining a revenue data based on the one or more ads. Each event may comprise: an ad name data, ad size data, ad keyword data, and an ad traffic source data. The visitor metadata may comprise: a location of the user, a device type of the user.

Abstract: An electrode for a lithium secondary battery including a silicon-based alloy having an expansion coefficient of 10% or greater and an electrochemically inactive whisker, and a lithium secondary battery using the electrode for a lithium secondary battery.

Abstract: The present invention provides a method for synthesizing a Bi2TeySe3-y thermoelectric nanocompound (0<y<3), comprising the following steps: preparing a Bi—Te—Se solution by adding Bi, Te, and Se precursors to a solvent (step 1); preparing a hydrate by mixing the Bi—Te—Se solution prepared in step 1) with a base aqueous solution (step 2); preparing a Bi2TeySe3-y reactant by liquid phase reduction at room temperature after adding a reducing agent to the hydrate prepared in step 2) (step 3); aging the Bi2TeySe3-y reactant prepared in step 3) (step 4); and preparing Bi2TeySe3-y nanoparticles by filtering and drying the Bi2TeySe3-y reactant aged in step 4) (step 5). The Bi2TeySe3-y thermoelectric nanocompound synthesized by the method of the present invention via liquid phase reduction is composed of regular nanoparticles since the method does not need any additional heat-treatment to eliminate chemical additives and prevents particles from being over-grown.

Abstract: The present invention provides a method for synthesizing a BixSb2-xTe3 thermoelectric nanocompound (0<x<2), comprising the following steps: preparing a Bi—Sb—Te solution by adding Bi, Sb, and Te precursors to a solvent (step 1); preparing a Bi—Sb—Te hydrate by mixing the Bi—Sb—Te solution prepared in step 1) with a base aqueous solution (step 2); preparing a BixSb2-xTe3 reactant by liquid phase reduction at room temperature after adding a reducing agent to the Bi—Sb—Te hydrate prepared in step 2) (step 3); aging the BixSb2-xTe3 reactant prepared in step 3) (step 4); and preparing BixSb2-xTe3 nanoparticles by filtering and drying the BixSb2-xTe3 reactant aged in step 4) (step 5). The BixSb2-xTe3 thermoelectric nanocompound synthesized by the method of the present invention via liquid phase reduction is composed of regular nanoparticles since the method does not need any additional heat-treatment to eliminate chemical additives and prevents particles from being over-grown.