Abstract: A secondary battery includes: a can having an accommodation space therein; an electrode assembly accommodated in the accommodation space in the can; and a cap assembly sealed with the can. The can has a beading part recessed into a side wall of the can at a region below where the cap assembly is accommodated, and the beading part has an acute angle with respect to the side wall of the can.

Abstract: Provided are a hole transport material composite including a lead-free perovskite (Cs2SnI6), a liquid ionic conductor and a solvent that is a solid at a room temperature, a solar cell, and a method of manufacturing the lead-free perovskite-based hole transport material composite.

Abstract: A method of analyzing fines migration in a multiphase flow in a sediment layer using X-ray computed tomography (CT) image includes, preparing an X-ray CT image analysis sample; analyzing an X-ray CT image during a depressurization process; calibrating and calculating a fines content; and estimating a fines migration analysis result.

Abstract: A method of analyzing fines migration in a multiphase flow in a sediment layer using X-ray computed tomography (CT) image includes, preparing an X-ray CT image analysis sample; analyzing an X-ray CT image during a depressurization process; calibrating and calculating a fines content; and estimating a fines migration analysis result.

Abstract: A geological storage system of carbon dioxide according to an exemplary embodiment of the present invention includes: an injection pipe that extends to a carbon storage reservoir that includes a plurality of rock grains and brine, from the ground surface, and supplies an injection material that includes carbon dioxide (CO2) to the carbon storage reservoir; a plurality of pores that are disposed between the plurality of rock grains; and a storage structure that is connected with a part of the plurality of pores and where the carbon dioxide reaches through the plurality of pores and then stored.

Abstract: A geological storage system of carbon dioxide according to an exemplary embodiment of the present invention includes: an injection pipe that extends to a carbon storage reservoir that includes a plurality of rock grains and brine, from the ground surface, and supplies an injection material that includes carbon dioxide (CO2) to the carbon storage reservoir; a plurality of pores that are disposed between the plurality of rock grains; and a storage structure that is connected with a part of the plurality of pores and where the carbon dioxide reaches through the plurality of pores and then stored.

Abstract: Provided are a hole transport material composite including a lead-free perovskite (Cs2SnI6), a liquid ionic conductor and a solvent that is a solid at a room temperature, a solar cell, and a method of manufacturing the lead-free perovskite-based hole transport material composite.

Abstract: Provided is a method of preparing a heteroatom-doped carbon nanomaterial. The method includes preparing a dispersion solution by dispersing a carbon nanomaterial in a solvent, forming first droplets by spraying the dispersion solution via an ultrasonic spray nozzle, and forming second droplets including a heteroatom-doped carbon nanomaterial by supplying a gas to the first droplets to dope the first droplets with an element included in the gas.

Abstract: Provided is a method of preparing a heteroatom-doped carbon nanomaterial. The method includes preparing a dispersion solution by dispersing a carbon nanomaterial in a solvent, forming first droplets by spraying the dispersion solution via an ultrasonic spray nozzle, and forming second droplets including a heteroatom-doped carbon nanomaterial by supplying a gas to the first droplets to dope the first droplets with an element included in the gas.

Abstract: Disclosed is a liquid crystal driving device, which is without a gate PCB, having improved uniformity of screen, and a driving method thereof. The liquid crystal driving device comprises: a sequence recognition means for recognizing sequence of a pertinent gate driver IC by a pulse width of a vertical start signal inputted in synchronization with a vertical synchronous signal, and generating a Carry signal and location data of the pertinent gate driver IC; and gate-off voltage generation means for receiving a first gate-off voltage and the location data of the pertinent gate driver IC, and outputting a second gate-off voltage which is generated by subtracting a voltage attenuation quantity corresponding to the location data of the gate driver IC from the first gate-off voltage.

Abstract: Disclosed are a luminescence biotin-transition metal complex conjugate and a method of amplifying signals using the same. More particularly, disclosed herein are a luminescence biotin-transition metal complex conjugate comprising an energy acceptor and biotin, and optionally an energy donor and a method of amplifying signals using the biotin-transition metal complex conjugate using intramolecular energy transfer. The luminescence biotin-transition metal complex conjugate using a transition metal probe provides a phosphorescence detection system capable of improved sensitivity.

Abstract: Disclosed is a liquid crystal driving device, which is without a gate PCB, having improved uniformity of screen, and a driving method thereof. The liquid crystal driving device comprises: a sequence recognition means for recognizing sequence of a pertinent gate driver IC by a pulse width of a vertical start signal inputted in synchronization with a vertical synchronous signal, and generating a Carry signal and location data of the pertinent gate driver IC; and gate-off voltage generation means for receiving a first gate-off voltage and the location data of the pertinent gate driver IC, and outputting a second gate-off voltage which is generated by subtracting a voltage attenuation quantity corresponding to the location data of the gate driver IC from the first gate-off voltage.

Abstract: Disclosed is a liquid crystal driving device, which is without a gate PCB, having improved uniformity of screen, and a driving method thereof. The liquid crystal driving device comprises: a sequence recognition means for recognizing sequence of a pertinent gate driver IC by a pulse width of a vertical start signal inputted in synchronization with a vertical synchronous signal, and generating a Carry signal and location data of the pertinent gate driver IC; and a gate-off voltage generation means for receiving a first gate-off voltage and the location data of the pertinent gate driver IC, and outputting a second gate-off voltage which is generated by subtracting a voltage attenuation quantity corresponding to the location data of the gate driver IC from the first gate-off voltage.

Abstract: Disclosed are a luminescence biotin-transition metal complex conjugate and a method of amplifying signals using the same. More particularly, disclosed herein are a luminescence biotin-transition metal complex conjugate comprising an energy acceptor and biotin, and optionally an energy donor and a method of amplifying signals using the biotin-transition metal complex conjugate using intramolecular energy transfer. The luminescence biotin-transition metal complex conjugate using a transition metal probe provides a phosphorescence detection system capable of improved sensitivity.

Abstract: Provided are organic metal compounds in which compounds for host and compounds for dopant are connected, organic electroluminescence display devices using the compounds and a method for preparation of the devices. Also provided are organic metal compounds in which compounds for host and compounds for dopant where connected to make energy transmission between host and dopant possible at a molecular level, an organic electroluminescence display device using the same and a preparation method thereof.

Abstract: Organic metal compounds in which compounds for host and compounds for dopant are connected, organic electroluminescence display devices using the compounds and a method for preparation of the devices are disclosed. Also disclosed are organic metal compounds in which the compounds for host and the compounds for dopant are connected to make energy transmission between host and dopant possible in a molecular level, organic electroluminescence display devices using the same and a preparation method thereof.

Abstract: Disclosed is a liquid crystal driving device, which is without a gate PCB, having improved uniformity of screen, and a driving method thereof. The liquid crystal driving device comprises: a sequence recognition means for recognizing sequence of a pertinent gate driver IC by a pulse width of a vertical start signal inputted in synchronization with a vertical synchronous signal, and generating a Carry signal and location data of the pertinent gate driver IC; and a gate-off voltage generation means for receiving a first gate-off voltage and the location data of the pertinent gate driver IC, and outputting a second gate-off voltage which is generated by subtracting a voltage attenuation quantity corresponding to the location data of the gate driver IC from the first gate-off voltage.