Abstract: Anodes and secondary batteries including the anodes are disclosed. In some embodiments of the disclosed technology, an anode includes: an anode current collector; and an anode mixture layer disposed on at least one surface of the anode current collector. The anode mixture layer includes a silicon-based active material, the anode current collector includes a tab connection portion, a shoulder portion, and a rounded portion located therebetween, the rounded portion has a radius of curvature satisfying a value R measured in millimeter (mm) in a range according to Equation expressed as: (p×A+q)?r<R?(p×A+q)+r, wherein A is a value corresponding to a weight ratio measured in weight percent (wt %) of the silicon-based active material to the anode mixture layer, p is a value ranging from 0.05 to 0.2, q is a value ranging from 0.1 to 1, and r is a value ranging from 0.1 to 1.

Abstract: A hydrogen supply method includes a two-side heat exchange mode in which both introducing a second fluid into a hydrogen storage part after the second fluid exchanges heat with a first fluid in a second heat exchanger in a state in which a compressor is driven to compress the first fluid and introducing the second fluid into the hydrogen storage part after the second fluid is heated or cooled in a thermal device are performed. The method also includes a one-side heat exchange mode in which one of introducing the second fluid into the hydrogen storage part after the second fluid exchanges heat with the first fluid in the second heat exchanger in a state in which the compressor is driven to compress the first fluid and introducing the second fluid into the hydrogen storage part after the second fluid is heated or cooled in the thermal device is performed.

Abstract: Provided is an operating method of a storage device. The method includes providing temperature information of each of a plurality of volatile memory devices in the storage device to a host device; and receiving a setting command related to a refresh operation of the plurality of volatile memory devices from the host device, wherein the plurality of volatile memory devices are classified into groups based on temperature information, and wherein the setting command indicates a number of rows of the plurality of volatile memory devices to be refreshed differently for each of the groups based on the temperature information.

Abstract: Provided is a brain-machine interface based intention determination device using a virtual environment, including: an input unit that receives a control mode; a training output unit that outputs training information; a collection unit that collects a brain signal; a first preprocessing unit that extracts time-frequency information; a second preprocessing unit that generates physical information; a learning unit that learns control information according to a pattern of physical information; a determination unit that determines control information; and a command output unit that outputs a control command matching the control information.

Abstract: A battery cell and a battery module including the same are disclosed. The battery cell includes a cell body including an electrode assembly and a pouch sheet wrapping the electrode assembly, the cell body extending from a lower end and leading to an upper end, the pouch sheet overlapping and contacting each other at the upper end; a pouch cover formed of the pouch sheet, the pouch cover extending from the upper end of the cell body and facing a lateral face of the cell body; and a heat transfer unit disposed between the cell body and the pouch cover.

Abstract: A rechargable battery, includes: an electrode assembly; an exterior material disposed to surround the electrode assembly and having both end portions thereof opened; and a cover member disposed on both end portions of the exterior material and having a connection structure for forming electrical connection between the electrode assembly and an external electrode, wherein the external material may include a laminate sheet formed of an aluminum material, the laminate sheet having a thickness of 100 ?m or more.

Abstract: An electrode structure for a secondary battery includes a current collector, a first active material layer formed on at least one surface of the current collector, a second active material layer on the first active material layer, and a conductive intermediate layer interposed between the first active material layer and the second active material layer. The conductive intermediate layer has a resistance lower than each resistance of the first active material layer and the second active material layer. A lithium secondary battery including the electrode structure is provided.

Abstract: An electrode for a secondary battery according to exemplary embodiments includes an electrode current collector; an electrode active material layer formed on the electrode current collector; and a coating layer formed on the electrode active material layer and including rod-shaped inorganic particles and spherical organic particles, wherein a ratio of a length of major axis of the rod-shaped inorganic particle to a length of diameter of the spherical organic particle may be 3 to 5.