Abstract: A vehicle refueling system and a vehicle refueling method are provided. The vehicle refueling system includes a plurality of refueling hoses connected with a plurality of nozzles fastened with a vehicle, a plurality of flow control valves installed in the plurality of refueling hoses, and a refueling controller that controls the plurality of flow control valves. The refueling controller determines any one of a plurality of refueling modes based on characteristic information of the vehicle and available information of the plurality of nozzles, determines a refueling speed and target pressure of a fuel tank of the vehicle based on the determined refueling mode, and adjusts opening rates of the plurality of flow control valves based on the determined refueling speed and the determined target pressure.

Abstract: The present invention relates to a secondary battery supporting the center part of an electrode assembly to enhance stability and reliability. For example, disclosed is a secondary battery comprising: an electrode assembly formed by winding a first electrode plate, a separator and a second electrode plate; a case for accommodating the electrode assembly; a current collection plate electrically connected to the first electrode plate and coupled to the upper part of the electrode assembly; and a core insulation member coupled to a winding center of the electrode assembly at the upper part of the current collection plate, wherein the core insulation member includes an insertion part having an inner hole, and a flange part extending in the horizontal direction from the upper end of the insertion part.

Abstract: Disclosed are a two-way hydrogen fueling communication process and a device using same, which can overcome the limitations and vulnerabilities of one-way communication and improve the safety, efficiency, and reliability of hydrogen fueling. The two-way hydrogen fueling communication process comprises the steps of: transmitting, to a dispenser, a request message containing a protocol list of communication protocols to be used for a fueling session of hydrogen fueling; and receiving, from the dispenser, a response message containing information about a common protocol selected by the dispenser, most preferred by a vehicle, and mutually supported by both the vehicle and the dispenser, wherein on the basis of the common protocol, the vehicle and the dispenser reach an agreement on the communication protocol to be used for fueling communication of hydrogen fueling.

Abstract: A communication method for hydrogen fueling, performed by a dispenser, comprises the steps of: identifying a communication protocol supported by a hydrogen fueled mobility and a communication protocol supported by a dispenser, based on a communication sequence performed by the hydrogen fueled mobility and information transferred by means of the communication sequence; and determining a communication protocol to be performed between the hydrogen fueled mobility and the dispenser, based on the communication protocol supported by the hydrogen fueled mobility and the communication protocol supported by the dispenser.

Abstract: A vehicle refueling system and a vehicle refueling method are provided. The vehicle refueling system includes a plurality of refueling hoses connected with a plurality of nozzles fastened with a vehicle, a plurality of flow control valves installed in the plurality of refueling hoses, and a refueling controller that controls the plurality of flow control valves. The refueling controller determines any one of a plurality of refueling modes based on characteristic information of the vehicle and available information of the plurality of nozzles, determines a refueling speed and target pressure of a fuel tank of the vehicle based on the determined refueling mode, and adjusts opening rates of the plurality of flow control valves based on the determined refueling speed and the determined target pressure.

Abstract: An embodiment of the present invention relates to a cylindrical secondary battery in which the current collecting structure has been improved. According to the present invention, an elastic part is provided integrally with or separably from a current collecting plate, and thus shocks from external vibration can be absorbed. Thus, the issue in which the substrate of an electrode assembly is squashed or compacted can be minimized.

Abstract: An embodiment of the present invention relates to a cylindrical secondary battery which may comprise: a cylindrical can; an electrode assembly accommodated in the can and formed by stacking a first electrode plate, a separator, and a second electrode plate and winding in a cylindrical shape, wherein a first electrode uncoated portion of the first electrode plate protruding at one end in the longitudinal direction and a second electrode uncoated portion of the second electrode plate protruding at the other end thereof; a cap assembly coupled to one side of the can in a state in which the electrode assembly is accommodated in the can; a first electrode current collector plate which is located between the first electrode uncoated portion and the can and electrically connected to the first electrode uncoated portion and the cap assembly; a second electrode current collector plate which is located between the second electrode uncoated portion and the cap assembly and electrically connected to the second electrode

Abstract: The present invention relates to a secondary battery having improved output and safety. In one embodiment, disclosed is a secondary battery comprising: an electrode assembly comprising a first electrode, a second electrode and a separator; a case for accommodating the electrode assembly; and a cap assembly coupled to the upper part of the case, wherein the first electrode comprises a first current collector, a first active material layer in which the first active material layer is applied onto the first current collector, a first uncoated area on which a first active material is not applied, and a first electrode tab electrically connected to the first current collector, and the first electrode tab comprises a current collection tab, which is a part of the first current collector, and a lead tab attached to the first current collector.

Abstract: The present invention relates to a secondary battery supporting the center part of an electrode assembly to enhance stability and reliability. For example, disclosed is a secondary battery comprising: an electrode assembly formed by winding a first electrode plate, a separator and a second electrode plate; a case for accommodating the electrode assembly; a current collection plate electrically connected to the first electrode plate and coupled to the upper part of the electrode assembly; and a core insulation member coupled to a winding center of the electrode assembly at the upper part of the current collection plate, wherein the core insulation member includes an insertion part having an inner hole, and a flange part extending in the horizontal direction from the upper end of the insertion part.

Abstract: A cylindrical secondary battery including a can including a circular bottom part and a cylindrical side part having an opened one end, an electrode assembly in which a first electrode plate, a second electrode plate, and a separator are wound and which is accommodated in the can, and a collecting plate arranged in a direction toward the first electrode plate. The first electrode plate and the collecting plate, and the second electrode plate and the bottom part are electrically connected to each other in a non-welding manner. According to the embodiment, since the electrode assembly and the collecting plate and also the electrode assembly and the can are electrically connected to each other without the welding, the electrode assembly may be prevented or reduced from being damaged by foreign substances generated during the welding, thereby improving stability of the secondary battery.