Abstract: The present invention relates to a three-dimensional structure electrode, a method for manufacturing same, and an electrochemical element including the electrode. The present invention is characterized by comprising: (a) an upper conductive layer and a lower conductive layer which have a structure constituting an assembly within which a conductive material and a porous nonwoven fabric including a plurality of polymeric fibers are three-dimensionally connected in an irregular and continuous manner, thereby forming a mutually connected porous structure; and (b) an active material layer forming the same assembly structure as the conductive layers and forming a three-dimensionally filled structure in which electrode active material particles are uniformly filled inside the mutually connected porous structure formed in the assembly structure, wherein the active material layer is formed between the upper conductive layer and the lower conductive layer.

Abstract: The present disclosure relates to a user recognition method and a user recognition apparatus using a two-dimensional (2D) electromyogram (EMG) spectrogram image. The user recognition method using a 2D EMG spectrogram image may include (a) acquiring a one-dimensional EMG signal for a user, (b) converting the acquired one-dimensional EMG signal to a 2D EMG spectrogram image including a temporal feature and a frequency feature, and (c) recognizing the user based on the 2D EMG spectrogram image.

Abstract: An uncertainty prediction apparatus includes an artificial neural network model trained based on deep learning, sampling models modeled by at least two weights obtained through sampling during a training process for the artificial neural network model, and an output generation unit configured to generate a result value reflecting an uncertainty degree by aggregating values output from the artificial neural network model and the sampling models after the same data is input to the artificial neural network model and the sampling models.

Abstract: The present disclosure relates to a user recognition method and a user recognition apparatus using a two-dimensional (2D) electromyogram (EMG) spectrogram image. The user recognition method using a 2D EMG spectrogram image may include (a) acquiring a one-dimensional EMG signal for a user, (b) converting the acquired one-dimensional EMG signal to a 2D EMG spectrogram image including a temporal feature and a frequency feature, and (c) recognizing the user based on the 2D EMG spectrogram image.

Abstract: There is provided an uncertainty prediction apparatus including an artificial neural network model trained based on deep learning, sampling models modeled by at least two weights obtained through sampling during a training process for the artificial neural network model, and an output generation unit configured to generate a result value reflecting an uncertainty degree by aggregating values output from the artificial neural network model and the sampling models after the same data is input to the artificial neural network model and the sampling models.

Abstract: Provided are an electrode for a rechargeable lithium battery including a current collector and an active material layer positioned on the current collector, the active material layer includes an electrode active material; binder; a composite material including an acrylonitrile-based resin and a carbon-based material positioned on the surface of the acrylonitrile-based resin; and a pore, and a rechargeable lithium battery including the same.

Abstract: In an aspect, a negative active material for a rechargeable lithium battery including surface modified silicon oxide particles is disclosed.

Abstract: A negative active material, a negative electrode, a lithium battery including the negative active material, and a method of preparing the negative active material. The negative active material includes a crystalline carbonaceous substrate; and metal oxide nanoparticles disposed on a surface of the crystalline carbonaceous substrate, wherein the metal oxide nanoparticles have a rutile structure. The negative active material may be used to improve high temperature stability and lifespan characteristics of a lithium battery.

Abstract: A negative active material, a method of preparing the same, and a lithium battery including the negative active material are disclosed. The negative active material includes a silicon-based nanocore and a first amorphous carbonaceous coating layer that is formed of carbonized organic material and that is uniformly and continuously formed on a surface of the silicon-based nanocore, whereby irreversible capacity losses due to volumetric expansion/contraction caused when a lithium battery is charged and discharged are compensated and cycle lifetime characteristics are enhanced.

Abstract: Provided is a lithium battery including: a positive electrode, a negative electrode, and an organic electrolytic solution, wherein the negative electrode has a metal/metalloid nanostructure, and the organic electrolytic solution includes a lithium sulfonimide-based compound.

Abstract: An anode active material. The anode active material includes a core including SiOx (0.5?x?1.7), and a coating layer formed on the core at least partially. The coating layer includes metal unreactive toward lithium.

Abstract: A negative active material includes a conductive unit bound in island-like form to silicon-based nanowires on a carbonaceous base. Such negative active material may improve the electrical conductivity of the silicon-based nanowires, and suppress separation of the silicon-based nanowires caused from volume expansion, and thus may improve lifetime characteristics of a lithium battery.

Abstract: A negative active material and a lithium battery including the negative active material. The negative active material includes a non-carbonaceous nanoparticle capable of doping or undoping lithium; and a crystalline carbonaceous nano-sheet, wherein at least one of the non-carbonaceous nanoparticle and the crystalline carbonaceous nano-sheet includes a first amorphous carbonaceous coating layer on its surface, and thus an electrical conductivity thereof is improved. In addition, a lithium battery including the negative active material has an improved efficiency and lifetime.

Abstract: Disclosed are a negative active material for a rechargeable lithium battery, a method of preparing the same, and a rechargeable lithium battery including the same. The negative active material includes a composite particle including a silicon particle and a carbon coating layer coated on the surface of the silicon particle and a porous space formed by the entangled carbon nanofibers, the composite particle contacting the external surface of the carbon nanofibers in the porous space of the carbon nanofiber structure, and the carbon nanofibers have a larger diameter than that of the composite particle and a diameter ranging from about 100 nm to about 2000 nm.

Abstract: In one aspect, an anode active material is provided. The anode active material may include a crystalline carbon-based material that includes a core having a lattice spacing d002 of about 0.35 nm or more, and titanium-based oxide particles.

Abstract: A rechargeable lithium battery that includes a negative electrode including a silicon-based negative active material; a positive electrode including a positive active material being capable of intercalating and deintercalating lithium; and a non-aqueous electrolyte, wherein the silicon-based negative active material includes a SiOx (0<x<2) core including Si grains and a continuous or discontinuous coating layer including Ag, the coating layer being disposed on the core.

Abstract: The present disclosure relates to an adhesive including a functional coating layer formed by mixing three or more materials such as carbon, ceramics, and a transparent pressure sensitive adhesive (PSA) at a predetermined ratio, in which a pigment material and a metal oxide are mixed, and a colorable heat ray screening carbon-ceramic film using the adhesive. According to one embodiment, the adhesive includes 20 to 90 wt % of a pigment material adhesive and 10 to 80 wt % of a metal oxide adhesive with respect to the total weight of the adhesive.

Abstract: Provided are an electrode for a rechargeable lithium battery including a current collector and an active material layer positioned on the current collector, the active material layer includes an electrode active material; binder; a composite material including an acrylonitrile-based resin and a carbon-based material positioned on the surface of the acrylonitrile-based resin; and a pore, and a rechargeable lithium battery including the same.

Abstract: Disclosed is a negative electrode for a rechargeable lithium battery that includes a current collector and a negative active material layer on the current collector, the negative active material layer having an active mass density in a range of about 1.6 g/cc to about 2.1 g/cc and including graphite and a pore-forming agent.

Abstract: Provided are a negative active material, a method of preparing the same, and a lithium battery including the negative active material, wherein the negative active material includes a carbonaceous material that has a peak with respect to a surface (002) at a Bragg angle 2? of 26.4°±0.1° in an X-ray diffraction spectrum, has a full width at half maximum of the peak with respect to the surface (002) of about 0.2° to about 0.6°, has an interlayer spacing (d002) of the surface (002) measured by X-ray diffraction of about 3.36 ? to about 3.37 ?, and has a crystallite size measured from the full width at half maximum of the peak with respect to the surface (002) of about 10 nm to about 45 nm, wherein the carbonaceous material includes a core; and an amorphous carbon layer disposed on a non-cracked surface portion of the core.