Abstract: Provided is a polymer including a constituent unit (1) based on a monomer represented by Formula (1), in which a content of a constituent unit based on a monomer having a polycyclic structure is 35 mol % or less. In Formula (1), R1 represents a hydrogen atom or a methyl group, A1 represents a linking group including an ester bond, or a single bond, where A1 has no tertiary carbon atom, and Z1 represents an atomic group forming a sulfur-containing cyclic hydrocarbon group having 3 to 6 carbon atoms, which includes a carbon atom bonded to A1, and —SO2—.

Abstract: The present disclosure relates to the technical field of semiconductors, and provides a method of processing a photoresist layer, and a photoresist layer. The method of processing a photoresist layer includes: forming a photoresist layer on a target layer, where the photoresist layer includes a first part away from the target layer and a second part close to the target layer; processing the photoresist layer by using a first process, such that a light absorption rate of the first part is less than a light absorption rate of the second part; performing first exposure processing on the photoresist layer to form an exposure image in the second part; and stripping the first part and performing first development processing on the photoresist layer, to pattern the second part into a photoresist pattern.

Abstract: Disclosed is a free-standing porous separator including a plurality of inorganic particles and a binder polymer positioned on the whole or a part of the surface of the inorganic particles to connect the inorganic particles with one another and fix them, wherein the binder polymer comprises a polyvinylidene fluoride (PVdF)-based binder polymer modified with an ester (COO)- or carboxyl (COOH)-containing monomer. An electrochemical device including the free-standing porous separator is also disclosed. It is possible to provide a porous separator which has a reduced dimensional change in an electrolyte, while showing improved tensile strength and/or elongation at the same time.

Abstract: A positive electrode active material includes a plurality of lithium nickel phosphate nanoparticles having an olivine structure and having an exposed surface that is a {111} crystal plane. The positive electrode active material can be used in a positive electrode for an electrochemical cell.

Abstract: Provided is a high-entropy positive electrode material, preparation method and application thereof. The high-entropy positive electrode material has a general formula as shown in the following formula: Li1+aAxByCzDbO2McNd, wherein A is a metallic element having a valence of +2, B is a metallic element having a valence of +3, C is a metallic element having a valence of +4, D is a metallic element having a valence of +5, M is an element having a valence of +7, and N is an element having a valence of +8; and 0?a<1, 0<x<1, 0<y<1, 0<z<1, 0<b<1, 0<c<1, d>0. This high-entropy positive electrode material is designed from the structure of the material itself. Compared with the conventional positive electrode materials, it has high specific discharge capacity and has a stable structure during the cycling without oxygen evolution.

Abstract: The present invention relates to a battery module comprising a particulate metal-dispersed thermal conductive resin, and a method and a system for inspecting same. The present invention can effectively inspect the degree of dispersion in the resin in a nondestructive manner and can detect a defect.

Abstract: A device has a plurality of battery cells (2) arranged parallel to one another with respect to a joining axis (1) and a contact plate (3) arranged between the battery cells (2) and having a plurality of recesses (4) for circumferentially enclosing the battery cells (2). The battery cells (2) of a battery module can be connected in parallel in groups, irrespective of serial contacting at the cell end sections, and the contact plate (3) has a plurality of contact plate legs (6), which enclose the battery cells (2) with a circumferential section (7) removed and are connected to one another at intersection points (5), for a respective circumferential section (7) of the battery cells (2).

Abstract: A main object of the present disclosure is to provide an all solid state battery in which occurrence of short circuit is inhibited. The present disclosure achieves the object by providing an all solid state battery including an anode including at least an anode current collector, a cathode, and a solid electrolyte layer arranged between the anode and the cathode; wherein a protective layer containing a Mg-containing particle that contains at least Mg, and also contains a polymer, is arranged between the anode current collector and the solid electrolyte layer; and a contacting area rate in an interface between the solid electrolyte layer and the protective layer is 50% or more.

Abstract: The present invention belongs to the technical field of solid-state lithium batteries, and particularly discloses a hybrid solid-liquid electrolyte lithium battery. The lithium battery includes a positive electrode plate, a negative electrode plate and a composite solid electrolyte sheet arranged between the positive electrode plate and the negative electrode plate, wherein the composite solid electrolyte sheet includes a solid electrolyte core layer and buffer adhesive layers arranged on both sides of the solid electrolyte core layer, wherein the solid electrolyte core layer is mainly formed by mixing a core layer inorganic solid electrolyte, an electrolyte polymer and an electrolyte additive, and the buffer adhesive layer mainly formed by mixing a buffer adhesive layer inorganic solid electrolyte, a buffer adhesive layer lithium salt and a buffer adhesive layer additive.

Abstract: In this secondary battery in which an electrode body having a positive electrode tab group at one end thereof is accommodated in a battery case, a positive electrode terminal and the positive electrode tab group are electrically connected via a second positive electrode current collector, the positive electrode tab group is connected to a tab connection part of the second positive electrode current collector in a bent state, and a tape as a fixing means is attached across a first main surface of the electrode body-the tab connection part of the second positive electrode current collector-a second main surface of the electrode body.

Abstract: A casing material for a power storage device, including a laminate that includes, in order, at least a base material layer, a barrier layer, and a heat-fusible resin layer. The heat-fusible resin layer includes a single layer or a plurality of layers. A first heat-fusible resin layer, among the heat-fusible resin layers, that constitutes the surface of the laminate has a logarithmic decrement ?E of no more than 0.20 in a rigid body pendulum measurement at 140° C.

Abstract: Discussed is a battery pack, the temperature of which is maintained within a certain range by a heating component or a heat dissipating component attached thereto. The battery pack includes an upper end cover provided above cylindrical cells to protect an inside of the battery pack, a first metal panel positioned below the upper end cover and jointed to the upper portion of the cylindrical cells, a second metal panel jointed to a lower portion of the cylindrical cells, a holder configured to surround and fix an outer side surface of the entire cylindrical cells and the lower portion of the second metal panel, and a lower end cover positioned below the second metal panel and the holder to form a lower end portion of the battery pack.

Abstract: A method for pre-lithiation and pre-sodiation of a negative electrode, including the steps of: interposing a first separator between a lithium ion-supplying metal sheet and a negative electrode to prepare a first simple cell. Then, dipping the first simple cell in an electrolyte for pre-lithiation. Next, carrying out a primary electrochemical charging of the first simple cell dipped in the electrolyte for pre-lithiation to obtain a pre-lithiated negative electrode. Then, interposing a second separator between a sodium ion-supplying metal sheet and the pre-lithiated negative electrode to prepare to prepare a second simple cell. Next, dipping the second simple cell in an electrolyte for pre-sodiation; and carrying out secondary electrochemical charging of the second simple cell dipped in the electrolyte for pre-sodiation to obtain a pre-lithiated and pre-sodiated negative electrode.

Abstract: The present disclosure relates to an electrode binder composition for a rechargeable battery and an electrode mixture comprising the same. The electrode binder composition for a rechargeable battery of the present disclosure not only has excellent properties in terms of binding strength, mechanical properties, and the like, but also can maintain structural stability of an electrode even after repeated charge/discharge cycles, thus improving rechargeable battery performances.

Abstract: Disclosed is a method of preparing a negative electrode which includes the steps of: forming a cell by sequentially stacking a preliminary negative electrode, a separator, and a lithium metal, immersing the cell in an electrolyte solution comprising a lithium salt and a solvent; applying a current after the cell is immersed in the electrolyte solution containing the lithium salt and the solvent, separating the preliminary negative electrode from the cell after removing the cell immersed in the electrolyte solution from the electrolyte solution, washing the separated preliminary negative electrode, performing a first drying on the washed preliminary negative electrode at room temperature, and performing a second drying on the first dried preliminary negative electrode at a temperature ranging from 30° C. to 70° C. in a vacuum state.

Abstract: A composition that contains an iridium complex and an isomer of the iridium complex, in which the amount of the isomer of the iridium complex is decreased. The iridium complex is a homo-N-trans (HNT) iridium complex having an iridium atom, and a first ligand, a second ligand, and a third ligand that are bonded to the iridium atom. The isomer has an iridium atom, a fourth ligand, a fifth ligand, and the third ligand. The composition ratio of the isomer relative to a total of the iridium complex and the isomer is 1.0% or less.

Abstract: An ion-lithium battery that may include an anode, a cathode, and at least one out of an anode related self-healing combination and a solid electrolyte interphase (SEI) self-healing combination; wherein the SEI related self-healing combination comprises a SEI self-healing additive, a SEI forming moiety and a first linker for linking the SEI self-healing additive to the SEI forming moiety; and wherein the anode related self-healing combination comprises an anode self-healing additive, an anode connection functional group, and a second linker for linking the anode self-healing additive to the anode connection functional group.

Abstract: To enhance lithium ion conductivity in an electrode for a power storage device, and at the interface between the electrode and another member. The power storage device electrode includes an oxide-based lithium ion conductive solid electrolyte, an active material, and an ionic liquid.

Abstract: To provide an air vehicle configured to stabilize the power output of a fuel cell by securing the generated water discharge property of the fuel cell. An air vehicle, wherein the air vehicle comprises two or more fuel cells; wherein each fuel cell comprises an anode outlet manifold; and wherein each fuel cell is disposed in the air vehicle so that water discharge directions of the anode outlet manifolds are different from each other.

Abstract: A battery pack includes a plurality of battery modules; a venting guiding frame disposed along an edge of the plurality of battery modules; and a housing which accommodates the plurality of battery modules and the venting guiding frame, in which the battery module includes a battery cell stack in which the plurality of battery cells is stacked and a module frame accommodating the battery, cell stack, and the battery cell includes an electrode assembly and a cell case accommodating the electrode assembly, sealing portions are formed at an edge of the cell case, and at least one venting guiding part having a smaller width than an average width of the sealing portions is formed in the sealing portion.