Abstract: A flexible printed circuit board according to an embodiment includes: a substrate; a circuit pattern disposed on the substrate; and a protective layer on the circuit pattern, wherein the circuit pattern includes a first circuit pattern and a second circuit pattern connected to a chip in a chip mounting region, a first direction that is a direction in which the circuit pattern extends and a second direction perpendicular to the first direction are defined in the substrate, the substrate includes first and second ends facing each other in the first direction and third and fourth ends facing each other in the second direction, the protective layer includes fifth and sixth ends spaced apart from ends of the substrate and facing in the first direction and seventh and eighth ends spaced apart from ends of the substrate and facing in the second direction, and an outer pattern disposed adjacent to the third end and the fourth end on the substrate, wherein the outer pattern includes: a first outer pattern and a second

Abstract: A system can include a calendaring device. The calendar device can include a first roller and a second roller. The calendaring device can apply a force to a material between the first roller and the second roller to form a web. The system can include a notching device to cut the web to form a tab. The web can be provided from the calendaring device to the notching device.

Abstract: At least one aspect is directed to a system. The system can include a slot die coating system to apply an electrode material to a current collector material at a coating opening. The system can further include a vacuum device to apply a vacuum pressure at the coating opening, the vacuum pressure to control application of the electrode material to the current collector material.

Abstract: Described are embodiments of a lithium metal phosphate production methods and systems. The systems and methods can include combining lithium extraction from spodumene, lithium recycling from lithium ion battery (“LIB”) black mass, and/or lithium metal phosphate synthesis from metal phosphates.

Abstract: A color conversion panel includes a first color filter and a second color filter that are disposed on a substrate, a low refractive index layer disposed on the substrate, the first color filter, and the second color filter, the low refractive index layer including at least one of a first blue pigment and a first blue dye, a first color conversion layer overlapping the first color filter and including a semiconductor nanocrystal, a second color conversion layer overlapping the second color filter and including a semiconductor nanocrystal, and a transmissive layer that overlaps the low refractive index layer.

Abstract: A power source apparatus, according to an aspect of the present disclosure, includes: a circuit on a primary side constituted so that a first voltage with an input voltage stepped down is formed on the primary side of a transformer; and a circuit on a secondary side including first to N sub-circuits (N is a natural number of 2 or more), each sub-circuit operating to generate a power source voltage of a driver configured to drive a power element through a converter operating based on a second voltage formed on the secondary side of the transformer after the first voltage is transformed by the transformer, in which the power source voltage generated by the sub-circuit is determined dependently on an output voltage of the converter.

Abstract: Described are embodiments of an electrode manufacturing system that pertains to batteries and methods of preparing batteries. In some embodiments, the system includes at least one coater configured to coat a side of an electrode substrate with an electrode slurry to form a coated electrode substrate. The system can also include a multi-pass dryer configured to dry the coated electrode substrate, wherein the web path length of the coated electrode substrate in the dryer is greater than a footprint length of the dryer.

Abstract: A display device including: a first substrate; a transflective layer disposed on a surface of the first substrate; a wavelength conversion layer disposed on the transflective layer; a capping layer disposed on the wavelength conversion layer, a first polarizing layer disposed on the capping layer; and a second polarizing layer disposed on the other surface of the first substrate. The first polarizing layer and the second polarizing layer have different polarization directions.

Abstract: Provided are methods and devices for performing positioning in a next-generation wireless network. The method of a UE for performing positioning include identifying configuration information for a transmission bandwidth of a positioning reference signal (PRS) configured per cell and receiving the positioning reference signal corresponding to each cell based on the configuration information for the transmission bandwidth.

Abstract: The present disclosure relates to a display device, and the display device according to an embodiment includes: a substrate including a display area and a peripheral area; a plurality of light-emitting elements positioned in a display area; a plurality of pixel circuits connected to a plurality of light-emitting elements, respectively; a sensor positioned on the peripheral area of the substrate; a leakage current detecting circuit connected to the sensor; and a light emitting wiring connected to the leakage current detecting circuit and connected to at least one of the plurality of light-emitting elements, wherein the sensor includes a first sensor and the first sensor includes a first sensing transistor, and a first conductive pattern spaced apart from the channel of the first sensing transistor, and the first conductive pattern is positioned in the same layer as at least one of a plurality of layers configuring the transistor.

Abstract: Manufacture of battery electrodes with decoupled pressure points is provided. For example, a system to manufacture a battery electrode can include a first roller and a second roller that define a first tangent line. The first roller and the second roller can apply force to a battery active material received between the first roller and the second roller to form a film. The second roller and a third roller can define a second tangent line that intersects the first tangent line. The second roller and the third roller can apply force to the film received between the second roller and the third roller.

Abstract: A secondary battery comprises an electrode assembly, a can, and an insulator. The electrode assembly includes a first electrode, a separator, and a second electrode alternately stacked and wound. The can has an accommodation part accommodating the electrode assembly therein, and the can comprises a first can and a second can having cylindrical shapes open in a direction facing each other. The insulator insulates an overlapping portion between the first can and the second can. The first can is electrically connected to the first electrode, and the second can is electrically connected to the second electrode. The insulator has a short-circuit induction through-part defined by a through-hole or a cutoff line, such that a short circuit occurs between the first can and the second can through the short-circuit induction through-part when it is deformed in shape as heat or a pressure is applied to contract or expand the insulator.

Abstract: A coated separator for a rechargeable battery includes a porous polymer sheet comprising a surface; and a coating disposed on the surface, the coating comprising a metal oxyhydroxide; wherein: the coating includes a greater HF score when normalized to that of AlO(OH) at 100%; a greater PF5? score when normalized to that of AlO(OH) at 100%; or a greater LiOH score when normalized to that of AlO(OH) at 100%; or a combination of any two or more thereof.

Abstract: An electrode active material includes a dopant (M2) and a lithium iron phosphate host material, where the electrode active material is represented as LiM2xFe1?xPO4; M2 is a transition metal or main group metal; x is 0.01 to 0.15; the electrode active material exhibits an increased ionic conductivity compared to a lithium iron phosphate (LiFePO4) without the dopant; and the electrode active material has a particle size distribution characterized by a D50 greater than or equal to 1 ?m.

Abstract: A battery cell includes a cathode including a cathode active material; an anode including an anode active material; and an electrolyte including a non-aqueous polar solvent, a lithium salt, and a (R3SiO)3P(O), a (R3SiO)3P, or a mixture of any two or more thereof; wherein: R is C1 to C4 alkyl; the cathode active material has an areal density of at least 10 mg/cm2 and a press density of at least 1.7 g/cc; the anode active material has an areal density of at least 5 mg/cm2 and a press density of at least 1.3 g/cc; and the conductivity of the cathode and/or anode is increased compared to the same battery cell without the (R3SiO)3P(O), the (R3SiO)3P, or the mixture of any two or more thereof.

Abstract: This disclosure is generally directed to coating materials for cathode active materials for lithium ion batteries (LIBs) and the methods used to identify such coating materials. The coatings are lithium transition metal phosphorous oxide materials (Li-M-P-O) that are stable to cycling with cathode active materials having a layered-type structure such as lithium nickel-manganese-cobalt oxide materials and they are reactive with battery degradation materials (i.e., HF, PF5?, etc.) to scavenge those materials from the electrolyte. The coating materials may also be applied to current collectors, or other internal components of the LIB. Exemplary specific materials identified as having desirable properties are: LiMnPO4, LiCoPO4, LiNiPO4, LiSnPO4, LiV(PO3)4, LiCrP2O7, Li3Mn3(PO4)4, Li2MnP2O7, Li2FeP2O7, and LiCo(PO3)3; also identified were combinations of such materials with LiFePO4.

Abstract: An electrode active material includes a dopant (M2) and a lithium manganese iron phosphate host material represented as LiM2xMnyFe1-x-yPO4, wherein the dopant is a transition metal or main group metal, and the electrode active material exhibits an increased ionic conductivity compared to a lithium manganese iron phosphate (LiMnyFe1-yPO4) without the dopant, wherein x is 0.01 to 0.15, and y is 0.30 to 0.85.

Abstract: A cathode active material includes a lithium manganese (Mn) iron (Fe) phosphate, wherein a mol ratio of Mn:Fe is from about 3:7 to about 9:1, the lithium manganese iron phosphate is an olivine structure, and the Mn and Fe in the olivine are present in an partially ordered or partially disordered sublattice.

Abstract: This disclosure is generally directed to coating materials for cathode active materials useful in lithium ion batteries (LIBs). The coatings include a metal fluoride (MFx), a lithium metal fluoride (Li-M-F), or both, which are stable with cathode materials such as LiFePO4, and helpful in protecting against battery degradation materials (i.e., HF, LiF, PF5?, and LiOH).

Abstract: A cathode active material includes a bulk nickel-rich cathode active material having a lithium metal oxide coating on a surface of the bulk nickel-rich cathode active material, wherein the lithium metal oxide coating exhibits one or more of the following: a greater PF5? score when normalized to that of LiAlO2 at 100%; a greater HF score when normalized to that of LiAlO2 at 100%; or in absolute terms, an enthalpy of reaction value that is less than 0.351.