Abstract: Provided are a lithium secondary battery and a manufacturing method thereof capable of improving the lifespan properties and high-temperature storage properties of the lithium secondary battery, wherein the lithium secondary battery includes a positive electrode including a positive electrode active material layer containing a positive electrode active material and one or more additives selected from succinonitrile (SN), propane sultone (PS), and propene sultone (PRS). The lithium secondary battery further includes a negative electrode, a separator interposed between the positive electrode and the negative electrode, and a gel polymer electrolyte, wherein the additive is included in an amount of 0.2 parts by weight to 5.0 parts by weight based on 100 parts by weight of the positive electrode active material layer.

Abstract: An apparatus of a fuel cell system may perform a method comprising, based on entry into an idle operation state of a fuel cell stack of the fuel cell system after start-up of the fuel cell system, controlling airflow to the fuel cell stack such that a current of the fuel cell stack converges to a predetermined current, based on the current of the fuel cell stack converging to the predetermined current, controlling a voltage drop slope of a fuel-cell direct current DC-DC converter (FDC), and controlling, based on the controlled voltage drop slope of the FDC, an operation of the fuel cell stack.

Abstract: A battery cell, a battery module comprising the battery cell, and a method for manufacturing the battery cell are provided. The battery cell includes a cell case having an accommodation space; an electrode assembly comprising a plurality of electrode plates and separators alternately stacked, and accommodated in the accommodation space; an electrode tab extending outward from each of the electrode plates; a gel electrolyte disposed in the accommodation space and surrounding the electrode tab formed at one side of the electrode assembly; and a liquid electrolyte disposed in the accommodation space and surrounding the other side of the electrode assembly, at which the electrode tab is not formed.

Abstract: An electrode includes a first electrode and a second electrode alternately stacked with a separator therebetween. The first electrode a first-a electrode and a first-b electrode, in which electrode active material layers have thicknesses different from each other.

Abstract: Provided is an electrode for an all-solid-state battery, comprising an electrode active material, a solid electrolyte, and a conductive agent, wherein the electrode active material and the solid electrolyte are bonded through the binder, the conductive agent is interposed in pores between the electrode active material and the solid electrolyte, and the conductive agent, the solid electrolyte, and the electrode active material are simultaneously contacted.

Abstract: Provided is a positive electrode for a secondary battery, which has a multi-layer structure including a first positive electrode active material layer and a second positive electrode active material layer, wherein the first positive electrode active material layer includes a first lithium composite transition metal oxide containing nickel, cobalt, and manganese, the second positive electrode active material layer includes a second lithium composite transition metal oxide containing nickel, cobalt, and manganese, the first lithium composite transition metal oxide and the second lithium composite transition metal oxide have mutually different nickel contents, wherein the positive electrode active material layer including a lithium composite transition metal oxide having a relatively high nickel content includes an electrolyte additive, and the positive electrode active material layer including a lithium composite transition metal oxide having a relatively low nickel content does not include an electrolyte addit

Abstract: A method for manufacturing an electrode laminate includes preparing an electrode, applying an electrolyte solution onto the electrode, disposing an oxygen blocking member on the applied electrolyte solution, and curing the electrolyte solution impregnated inside the electrode and the electrolyte solution applied onto the electrode surface.

Abstract: An electrode, a method for manufacturing the same, and a lithium secondary battery including the same are provided. The electrode includes an electrode current collector; and an electrode active material layer disposed on at least one side of the electrode current collector, wherein the electrode active material layer includes an electrode active material and a gel polymer electrolyte, and the electrode has a rigidity of 2 kPa to 4 kPa. The method includes applying an electrode slurry containing an electrolyte solution on an electrode current collector, disposing an oxygen blocking member on the electrode slurry applied on the electrode current collector, and hot rolling the electrode slurry covered with the oxygen blocking member, wherein the electrolyte solution is heat cured through the hot rolling.

Abstract: A method for manufacturing a solid electrolyte-electrode composite includes: immersing an electrode in an electrolyte precursor composition comprising a photo-crosslinkable monomer comprising three or more acrylate groups, initiator, a lithium salt and an organic solvent; photocuring the electrode immersed in the electrolyte precursor composition to form a polymer electrolyte membrane; and thermal curing the electrode at which the polymer electrolyte membrane is formed, a solid electrolyte-electrode composite, not showing a peak in a wavenumber region of 1,700 cm?1 to 1,600 cm?1 by Fourier Transform Infrared Spectroscopic analysis, and an all-solid battery comprising the solid electrolyte-electrode composite.

Abstract: A fuel cell system and a method of controlling the same are disclosed. The fuel cell system includes a hydrogen pressure adjuster configured to adjust a hydrogen supply pressure of hydrogen supplied to a fuel cell stack, and a controller configured to determine whether or not a control mode for controlling the hydrogen supply pressure is required, based on a state of the fuel cell stack, and to control the hydrogen pressure adjuster to vary the hydrogen supply pressure in a predetermined pressure range based on a pressure increase rate or a pressure decrease rate, when the control mode is required.

Abstract: The present invention relates to a method of manufacturing an electrode of an all-in-one battery comprising the steps of mixing an electrode active material, a solid electrolyte and a first binder with a first solvent to prepare a primary slurry; drying the primary slurry to prepare a mixture powder; mixing the mixture powder, a conductive agent, and a second binder with a second solvent to prepare a secondary slurry; and coating the secondary slurry on a current collector.

Abstract: The present invention relates HMG-CoA reductase degradation inducing compounds. Specifically, the present invention relates a bifunctional compound in which a HMG-CoA reductase binding moiety and an E3 ubiquitin ligase-binding moiety are linked by a chemical linker. The present invention also relates a method for preparing the compounds, and a method for degradation of HMG-CoA reductase using the compounds, as well as use for prevention or treatment of HMG-CoA reductase related diseases using the compounds.

Abstract: A secondary battery according to an embodiment of the present disclosure may include an electrode assembly and a pouch-type batter. The battery case may include a cup part to accommodate electrode assembly. A sealing part may extend outward from an edge of the cup part and may be sealed. A venting device may be inserted into the sealing part through which a gas inside the cup part may be discharged to the outside. The sealing part may include a vent sealing portion into which the venting device may be inserted, and a weak sealing portion which may be positioned between the vent sealing portion and the cup part and sealed more weakly than the periphery thereof.

Abstract: An all-solid-state secondary battery according to the present invention includes a positive electrode, a negative electrode, and a solid electrolyte formed between the positive electrode and the negative electrode, wherein the negative electrode is formed through a pre-lithiation process in which a powder mixture configured to form the negative electrode contacts lithium metal before battery assembly. Irreversible capacity is removed through the pre-lithiation process, whereby initial efficiency of the battery is improved, and the process is simplified, whereby mass production is possible and cost is reduced.

Abstract: According to an aspect of the present invention, there is provided a method for manufacturing a secondary battery, the method including: preparing an electrode assembly in which electrodes and a separator are alternately laminated, and an adhesive is applied to the surface of at least one among the electrodes and the separator, thereby allowing the electrodes and the separator to adhere to each other; accommodating the electrode assembly in a battery case; injecting a gel polymer electrolyte composition into the battery case to impregnate the electrode assembly with the gel polymer electrolyte composition; and curing the gel polymer electrolyte composition, wherein the adhesive includes a first oligomer compound, the separator includes a porous substrate and ceramic coating layers disposed on both surfaces of the porous substrate, the ceramic coating layers include 92-100 wt % (exclusive of 100) of inorganic particles and 0-8 wt % (exclusive of 0) of a binder, and the gel polymer electrolyte composition inclu

Abstract: The system may comprise a fuel cell stack, a hydrogen supply line configured to be coupled to an anode side of the fuel cell stack and supply hydrogen to the fuel cell stack, a hydrogen supply valve, associated with the hydrogen supply line, configured to adjust an amount of hydrogen supplied to the fuel cell stack, and a controller configured to determine, based on a pressure boost request to boost a hydrogen supply pressure, a front-end hydrogen pressure at a front end of the hydrogen supply valve, determine, based on the determined front-end hydrogen pressure, an opening command value of the hydrogen supply valve, and control, based on the determined opening command value, an opening degree of the hydrogen supply valve to boost the hydrogen supply pressure.

Abstract: In the present invention, a slurry for a second cathode mixture is applied to both edge regions of an electrode sheet holing portion during storage of an electrode sheet having a high content of nickel, wherein the edge regions are vulnerable to moisture penetration and high in rolling reduction ratio and the slurry contains a cathode active material more resistant to rolling than that applied to the center region of the holding portion, whereby the reactivity of nickel and moisture is suppressed as much as possible to improve the lifespan characteristics of the battery.

Abstract: The present invention provides novel compounds that induce selective polo-like kinase 1 (PLK1) degradation. Specifically, the present invention provides a bifunctional compound in which a PLK1 binding moiety and an E3 ubiquitin ligase-binding moiety are linked by a chemical linker. The present invention provides the compound, a method for preparing the same, and the use thereof. The compounds may be effectively utilized for preventing or treating PLK1 related diseases.

Abstract: Disclosed is a method of manufacturing a negative electrode for all-solid-state batteries, the method including (a) preparing a powder mixture including a negative electrode active material, a solid electrolyte, and a conductive agent, (b) introducing the powder mixture into a reactor, (c) introducing an electrolytic solution into the reactor, and (d) forming a solid electrolyte interface (SEI) film while rotating the reactor, wherein the inner surface of the reactor is treated with lithium metal.

Abstract: Disclosed is an all-solid-state battery comprising an electrode assembly and a solid electrolyte, wherein the electrode assembly comprises a structure in which plate-shaped electrodes are stacked; and the electrodes include a relatively high heat-generating first electrode and a relatively low heat-generating second electrode, wherein the first electrode is disposed in a center of the electrode assembly, the all-solid-state battery with improved performance by increasing the temperature of the battery without adding additional members.