Abstract: An anode active material for a secondary battery includes a plurality of composite particles. The composite particles include carbon-based particles containing pores therein. A silicon-containing coating layer is formed inside the pores or on a surface of the carbon-based particles. A surface oxide layer is formed on the silicon-containing coating layer. The surface oxide layer contains silicon oxide. A silicon oxidation number ratio of the composite particle is predefined.

Abstract: An anode active material for a lithium secondary battery based on some embodiments of the disclosed technology includes composite particles that include: carbon-based particles including pores; and a silicon-containing coating formed on a surface of the carbon-based particles, wherein a weight increase start temperature of the composite particle, measured by thermogravimetric analysis (TGA) at a heating rate of 10° C./min, is from 440° C. to 580° C.

Abstract: An anode active material for a lithium secondary battery based on some embodiments of the disclosed technology includes composite particles that include: carbon-based particles including pores; and a silicon-containing coating formed on a surface of the carbon-based particles, wherein a first Raman peak intensity ratio of the composite particle, defined by Equation 1 below, is 2.25 or more. First Raman peak intensity ratio=ID/IG??[Equation 1] wherein ID is a maximum peak intensity in a wavenumber range of 1330 cm-1 to 1380 cm-1 in the Raman spectrum of the composite particle, and IG is a maximum peak intensity in a wavenumber range of 1560 cm?1 to 1585 cm?1 in the Raman spectrum of the composite particle.

Abstract: An anode active material for a secondary battery includes a plurality of composite particles. The composite particles include carbon-based particles containing pores therein. A silicon-containing coating layer is formed inside the pores or on a surface of the carbon-based particles. A surface oxide layer is formed on the silicon-containing coating layer. The surface oxide layer contains silicon oxide. A silicon oxidation number ratio of the composite particle is predefined.

Abstract: An anode active material for a lithium secondary battery according to the embodiments of the present disclosure includes composite particles comprising carbon-based particles and silicon-containing particles including silicon and hydrogen disposed on the surface of the carbon-based particles and an H/Si ratio of the composite particles, defined by Equation 2, is 0.5% to 5.3%.

Abstract: An anode for a lithium secondary battery according to embodiments of the present disclosure includes an anode current collector, and an anode active material layer which is disposed on at least one surface of the anode current collector, includes a silicon-based active material, and has a Li/Si ratio of 0.03 to 0.06.

Abstract: An anode for a lithium secondary battery includes an anode current collector, and an anode active material layer disposed on at least one surface of the anode current collector. The anode active material layer includes an anode active material and a conductive material. An electrode peak intensity ratio obtained by a pair distribution function (PDF) analysis of the anode active material layer is in a range from 1.1 to 2.7.

Abstract: An anode active material for a lithium secondary battery includes a composite particle. The composite particle includes a carbon-based particle including pores, and a silicon-containing coating formed on a surface of the carbon-based particle. A particle peak distance of the composite particle measured by a pair distribution function (PDF) analysis is 0.6 ? or less.

Abstract: An anode active material for a lithium secondary battery according to embodiments of the present disclosure includes composite particles including carbon-based particles including pores, and a silicon-containing coating formed on a surface of the carbon-based particles, wherein the composite particles have an equivalent porosity of 5 to 25.1%, which is defined by Equation 1 below: Equivalent ? porosity ? ( % ) = ( 1 - W c ? a ? r ? b ? o ? n D c ? a ? r ? b ? o ? n + W S ? i D Si W c ? a ? rbon + W Si D P ) * 1 ? 0 ? 0 [ Equation ? 1 ] In Equation 1, Dcarbon is a density (g/cm3) of carbon, DSi is a density (g/cm3) of silicon, DP is a density (g/cm3) of the composite particles measured by a helium (He) pycnometer, WSi is a weight (g) of silicon included in the composite particles, and Wcarbon is a weight (g) of carbon included in the composite particles.

Abstract: An anode for a lithium secondary battery includes an anode current collector, a second anode active material layer disposed on the anode current collector and including a second anode active material that includes a graphite-based active material and composite particles, and a first anode active material layer disposed between the anode current collector and the second anode active material layer and including a first anode active material that includes a graphite-based active material and does not include the composite particles. Each of the composite particles includes a carbon-based particle including pores, a silicon-containing coating layer disposed on an inside of the pores of the carbon-based particle or on a surface of the carbon-based particle, and a surface oxide layer disposed on the silicon-containing coating layer and including a silicon oxide.

Abstract: An anode active material for a secondary battery according to an embodiment of the disclosed technology includes an anode current collector, a first anode active material layer on at least one surface of the anode current collector and including a graphite-based active material and a silicon-based active material doped with a metal element, and a second anode active material layer on the first anode active material layer and including a porous structure. The porous structure includes a carbon-based particle having pores and a silicon-containing coating formed inside the pores or on a surface of the carbon-based particle.

Abstract: An anode active material for a secondary battery according to an embodiment includes a plurality of a silicon-based active material particle being doped with a metal element and including pores. An average of porosity values measured for each of 10 different silicon-based active material particles among the plurality of the silicon-based active material particle is in a range from 0.2% to 9.0%.

Abstract: An anode active material for a secondary battery includes a plurality of composite particles. The composite particles include carbon-based particles containing pores therein. A silicon-containing coating layer is formed inside the pores or on a surface of the carbon-based particles. A surface oxide layer is formed on the silicon-containing coating layer. The surface oxide layer contains silicon oxide. A silicon oxidation number ratio of the composite particle is predefined.

Abstract: A phase-cut dimming control system according to the embodiment includes a phase angle detector configured to detect a phase angle of an input voltage generated by phase-cut dimming, a feedback signal generator configured to generate a first reference signal corresponding to the detected phase angle, and generate an initial feedback signal based on a detection signal corresponding to power supplied to a load and the first reference signal, a feedback signal modulator configured to modulate the initial feedback signal and generate a feedback signal, a power transmission controller configured to generate a control signal which controls power transmission according to the feedback signal, and a power transmission circuit configured to transmit power to the load according to the control signal.

Abstract: A phase-cut dimming control system according to the embodiment includes a phase angle detector configured to detect a phase angle of an input voltage generated by phase-cut dimming, a feedback signal generator configured to generate a first reference signal corresponding to the detected phase angle, and generate an initial feedback signal based on a detection signal corresponding to power supplied to a load and the first reference signal, a feedback signal modulator configured to modulate the initial feedback signal and generate a feedback signal, a power transmission controller configured to generate a control signal which controls power transmission according to the feedback signal, and a power transmission circuit configured to transmit power to the load according to the control signal.

Abstract: A phase-cut dimming control system according to the embodiment includes a phase angle detector configured to detect a phase angle of an input voltage generated by phase-cut dimming, a feedback signal generator configured to generate a first reference signal corresponding to the detected phase angle, and generate an initial feedback signal based on a detection signal corresponding to power supplied to a load and the first reference signal, a feedback signal modulator configured to modulate the initial feedback signal and generate a feedback signal, a power transmission controller configured to generate a control signal which controls power transmission according to the feedback signal, and a power transmission circuit configured to transmit power to the load according to the control signal.

Abstract: A phase-cut dimming control system according to the embodiment includes a phase angle detector configured to detect a phase angle of an input voltage generated by phase-cut dimming, a feedback signal generator configured to generate a first reference signal corresponding to the detected phase angle, and generate an initial feedback signal based on a detection signal corresponding to power supplied to a load and the first reference signal, a feedback signal modulator configured to modulate the initial feedback signal and generate a feedback signal, a power transmission controller configured to generate a control signal which controls power transmission according to the feedback signal, and a power transmission circuit configured to transmit power to the load according to the control signal.

Abstract: Disclosed is a trip device of a circuit breaker, the device including: a rectifying unit converting an AC (Alternating Current) voltage applied to the circuit breaker to a DC (Direct Current) voltage; a smoothing unit connected to the rectifying unit in parallel to mitigate ripples of the converted DC voltage; and a trip coil connected to the smoothing unit in parallel to determine whether to trip the circuit breaker.

Abstract: Disclosed is a trip device of a circuit breaker, the device including: a rectifying unit converting an AC (Alternating Current) voltage applied to the circuit breaker to a DC (Direct Current) voltage; a smoothing unit connected to the rectifying unit in parallel to mitigate ripples of the converted DC voltage; and a trip coil connected to the smoothing unit in parallel to determine whether to trip the circuit breaker.