Abstract: A battery management apparatus according to one embodiment of the present disclosure includes a storage unit configured to store battery information including a voltage and current, and a control unit configured to calculate a capacity ratio of a battery for each of a plurality of voltage ranges based on the battery information, to compare the calculated capacity ratio for each of the plurality of voltage ranges with a preset reference capacity ratio, and to determine a state of the battery based on a comparison result.

Abstract: A battery diagnosing apparatus, a battery pack, an electric vehicle and a battery diagnosing method are provided. The battery diagnosing apparatus is provided for a battery array including first to mth batteries (m is a natural number of 3 or more) connected in series. The battery diagnosing apparatus includes voltage sensors configured to detect voltage of each of the first to mth batteries, and a controller configured to generate first to mth voltage profiles representing a voltage change history of each of the first to mth batteries during charging or discharging of the battery array. The controller diagnoses the battery array by comparing each of first to (m?1)th comparison voltage profiles with a criterion voltage profile. The criterion voltage profile is one of the first to mth voltage profiles, and the first to (m?1)th comparison voltage profiles are remaining (m?1) voltage profiles other than the criterion voltage profile.

Abstract: An apparatus for diagnosing a battery according to one aspect of the present disclosure may include a measuring unit configured to measure a voltage value of the battery at each predetermined cycle during a battery charging process; and a processor configured to calculate a resistance value of the battery based on the measured voltage value of the battery, determine a resistance change pattern by comparing the calculated plurality of resistance values with a preset criterion profile, and determine the state of the battery based on the determined resistance change pattern.

Abstract: A battery diagnosing apparatus includes a battery sensing unit configured to generate a voltage detection signal indicating voltage of a target battery and a current detection signal indicating current of the target battery. The battery diagnosing apparatus also includes a battery diagnosing unit configured to generate a measurement voltage profile representing the correspondence between an accumulated capacity and the voltage of the target battery in a period of interest by monitoring the voltage and current of the target battery while the target battery is being charged or discharged and diagnose abnormality of the target battery by comparing the measurement voltage profile with a criterion voltage profile.

Abstract: An electrode assembly comprises: a first unit electrode in which a plurality of first electrodes entirely made of a first electrode mixture having a solid shape are connected to each other; a second unit electrode in which a plurality of second electrodes entirely made of a second electrode mixture having a solid shape are connected to each other; a separator interposed between the first unit electrode and the second unit electrode; and an electrode tab comprising a plurality of first electrode tab provided on the first unit electrode and a plurality of second electrode tab provided on the second unit electrode.

Abstract: A method of diagnosing degradation of an electrode active material for a secondary battery including obtaining a first differential curve (dQ/dV) by differentiating an initial charge/discharge curve obtained by performing first charging and first discharging of the lithium secondary battery in a voltage range of 2.5 V to 4.2 V, and obtaining a second differential curve (dQ/dV) by differentiating a charge/discharge curve obtained by performing second charging and second discharging of the lithium secondary battery in a voltage range of 2.5 V to 4.2 V, and diagnosing whether a beta phase of the positive electrode active material has been formed by comparing maximum discharge peak values of the first differential curve and the second differential curve.

Abstract: A battery charge and discharge control device according to an embodiment of the present disclosure includes a state-of-charge (SOC) measurer measuring a SOC of a battery and a charge and discharge controller controlling a charging speed of the battery in response to the SOC of the battery being included in a preset SOC section, and the preset SOC section has change in resistance or a change in potential due to ions inserted into a material constituting the battery equal to or greater than a reference value.

Abstract: Disclosed is a battery diagnosing technology capable of effectively diagnosing a state of a secondary battery using a charge and discharge signal extracted from the secondary battery.

Abstract: An etching device includes a chamber; a stage disposed in the chamber and on which a target substrate is loaded; a gas distribution unit disposed to face the stage in the chamber; a plurality of plasma generation modules disposed above the chamber; a gas supply unit that supplies gas into the chamber; a gas line connecting the gas supply unit and the plurality of plasma generation modules; and a plurality of gas inlet pipes each including an end connected to the plasma generation module and another end connected to the gas distribution unit.

Abstract: Provided is a battery cell sealed container for preventing corrosion or damage in a process of moving battery cells. A battery cell sealed container of the present disclosure includes a first tray including a bottom surface and a side wall, wherein the bottom surface includes a plurality of lower end receiving portions in which lower ends of a plurality of battery cells are respectively accommodated and the side wall extends upward from the bottom surface, and a second tray configured to seal the first tray, the second tray including a top surface and a side wall, wherein the top surface includes a plurality of upper end receiving portions in which upper ends of the plurality of battery cells accommodated in the lower end receiving portions are accommodated and the side wall extends downward from the top surface.

Abstract: A secondary battery diagnosing technology capable of effectively diagnosing a state of a secondary battery using a charge and discharge signal of the secondary battery, including a memory unit configured to store a positive electrode reference profile and a negative electrode reference profile for charge or discharge of a reference battery, a voltage measuring unit configured to measure a voltage of a target battery during a charge or discharge process, and a processor configured to generate a charge and discharge measurement profile based on the voltage, compare a simulation profile obtained from the positive electrode reference profile and the negative electrode reference profile with the generated charge and discharge measurement profile, and determine a positive electrode adjustment profile and a negative electrode adjustment profile so that an error between the simulation profile and the charge and discharge measurement profile is within a predetermined level.

Abstract: A battery diagnosing technology capable of effectively diagnosing a state of a secondary battery using a charge and discharge signal extracted from the secondary battery, including memory to store a positive electrode reference profile and a negative electrode reference profile for charge or discharge of a reference battery, a voltage sensor to measure a voltage of a target battery during a charge or discharge process, and a processor to generate a plurality of charge and discharge measurement profiles based on voltages measured at a plurality of different time points, compare each of the generated charge and discharge measurement profiles with a simulation profile obtained from the positive and negative electrode reference profiles, and determine positive and negative electrode adjustment profiles for each of the generated charge and discharge measurement profiles so that an error between each charge and discharge measurement profile and the simulation profile is within a predetermined level.

Abstract: A secondary battery diagnosing technology capable of effectively diagnosing a state of a secondary battery using a charge and discharge signal of the secondary battery, including a memory unit configured to store a positive electrode reference profile and a negative electrode reference profile for charge or discharge of a reference battery, a voltage measuring unit configured to measure a voltage of a target battery during a charge or discharge process, and a processor configured to generate a charge and discharge measurement profile based on the voltage, compare a simulation profile obtained from the positive electrode reference profile and the negative electrode reference profile with the generated charge and discharge measurement profile, and determine a positive electrode adjustment profile and a negative electrode adjustment profile so that an error between the simulation profile and the charge and discharge measurement profile is within a predetermined level.

Abstract: A battery management apparatus includes: a voltage meter that measures voltages of a plurality of batteries connected in series to each other; and a controller that estimates State of Charges (SOCs) of the plurality of batteries based on the measured voltages, and control charge and discharge of the plurality of batteries to make the estimated SOCs of the plurality of batteries fall within a plurality of usable SOC bands preset to correspond to the plurality of batteries.

Abstract: The present invention provides antisense oligonucleotides for the treatment of various T-type calcium channel ?1G subunit-related disorders, and more specifically, antisense oligonucleotides for inhibiting expression of the gene encoding Cav3.1, targeting SEQ ID NO: 1, for the treatment of various neuropsychiatric disorders, including Parkinson's disease, epilepsy, essential tremor, depression, anxiety disorders, and unconsciousness.

Abstract: An apparatus and method for diagnosing a state of a battery in various aspects based on a differential profile respectively obtained in a situation where the battery is charged and discharged. Since the state of the battery is diagnosed by considering both the first differential profile related to the charging of the battery and the second differential profile related to the discharging of the battery, there is an advantage of diagnosing the state of the battery more accurately.

Abstract: An overvoltage characteristics evaluation apparatus for a battery includes a sensing unit to measure a current and a voltage of the battery, and a control unit to determine a measured capacity history and a measured voltage history of the battery during a discharge event executed subsequent to polarization-inducing pretreatment for the battery. The control unit determines a first measured voltage curve indicating a correlation between the measured capacity history and the measured voltage history, and a second measured voltage curve indicating a correlation between a depth of discharge history obtained by normalizing the measured capacity history to a total discharge capacity of the measured capacity history and the measured voltage history. The control unit determines a differential voltage curve by differentiating the measured voltage history.

Abstract: An apparatus for managing a battery according to one aspect of the present disclosure may include a profile obtaining unit configured to obtain a measurement full-cell profile indicating a corresponding relationship between voltage and capacity of a battery; a profile determining unit configured to determine whether or not to divide the measurement full-cell profile into a plurality of sections according to a predetermined reference, adjust a preset reference positive electrode profile and a preset reference negative electrode profile to correspond to the measurement full-cell profile or the plurality of sections according to whether the measurement full-cell profile is divided, and generate an adjusted positive electrode profile and an adjusted negative electrode profile according to the adjustment result; and a control unit configured to determine a diagnostic factor for the battery from at least one of the adjusted positive electrode profile and the adjusted negative electrode profile.

Abstract: An apparatus for determining a degradation state of a battery includes a sensing unit configured to output sensing information indicating a voltage and a current of the battery and a control unit. The control unit determines a degradation ratio of the battery and a measured Q-dV/dQ curve based on the sensing information. The measured Q-dV/dQ curve shows a relationship between a remaining capacity of the battery and a ratio of a change in voltage of the battery to a change in remaining capacity of the battery. The control unit detects a plurality of feature points from the measured Q-dV/dQ curve. The control unit determines a positive electrode degradation ratio, a negative electrode degradation ratio and a lithium ion loss ratio of the battery based on the degradation ratio, the plurality of feature points, a predetermined positive electrode Q-dV/dQ curve and a predetermined negative electrode Q-dV/dQ curve.

Abstract: The electrode comprises: a plurality of unit electrodes formed by connecting a plurality of electrodes made of an electrode mixture having a solid shape to each other; a separator interposed between the plurality of unit electrodes; and an electrode tab attached to the unit electrode, wherein the electrode tab comprises first and second electrode tabs, which are respectively attached to the unit electrodes and have different specific resistance.