Abstract: Provided is method of producing anode or cathode particulates for an alkali metal battery.

Abstract: Example implementations relate to metal fluoropolymer composites. In an example, a metal fluoropolymer composite includes a metal substrate including an opening in a face of the metal substrate, a porous fluoropolymer layer disposed on the face of the metal substrate and overlaying the opening, and a fabric layer disposed on the porous fluoropolymer layer, where the metal fluoropolymer composites is permeable to air but impermeable to liquid water.

Abstract: Provided is an anode particulate, having a dimension from 10 nm to 100 ?m, for use in an alkali metal battery, the particulate comprising (i) an anode active material capable of reversibly absorbing and desorbing lithium ions or sodium ions, (ii) an electron-conducting material, and (iii) a lithium ion-conducting or sodium ion-conducting electrolyte, wherein the electron-conducting material forms a three dimensional network of electron-conducting pathways in electronic contact with the anode active material and the electrolyte forms a three dimensional network of lithium ion- or sodium ion-conducting channels in ionic contact with the anode active material. The particulate can be of any shape, but preferably spherical or ellipsoidal in shape.

Abstract: Provided is an anode particulate, having a dimension from 10 nm to 300 ?m, for use in an alkali metal battery, the particulate comprising (i) an anode active material capable of reversibly absorbing/desorbing lithium or sodium ions, (ii) an electron-conducting material, and (iii) a lithium or sodium salt with an optional polymer or its monomer, but without a liquid solvent, for an electrolyte, wherein the electron-conducting material forms a 3D network of electron-conducting pathways in electronic contact with the anode active material and the lithium or sodium salt is in physical contact with the anode active material (so that the salt, when later impregnated with a liquid solvent, becomes an electrolyte forming a 3D network of lithium or sodium ion-conducting channels in ionic contact with the anode active material). The particulate can be of any shape, but preferably spherical or ellipsoidal in shape. Also provided is a cathode particulate.

Abstract: Disclosed herein are printed circuit boards with embedded solenoid filters through which signal traces pass to filter unwanted noise and electromagnetic interference. A printed circuit board comprises a least three layers, a solenoid embedded within the at least three layers, and at least one trace extending through the solenoid. The insertion loss characteristics of the solenoid filter can be tuned by modifying the number of turns in the solenoid(s) and the width of the solenoid(s). The solenoid filter may comprise multiple solenoids connected in series, with adjacent solenoids having opposite wind directions. Surface components may be included on the board to tune the insertion loss further.

Abstract: In some examples, a wearable system includes an outer case defining an inner chamber and comprising a portion including a liquid resistant and breathable layer. The wearable system further includes a computing device in the inner chamber, and an airflow generator to produce an airflow to cool the computing device and to direct a resulting heated airflow to flow through pores of the liquid resistant and breathable layer to an environment outside the outer case.

Abstract: A printed circuit board (PCB) may include a plurality of horizontally disposed signal layers. The PCB may include a first vertically disposed differential via electrically connected to a first horizontally disposed signal layer, of the plurality of horizontally disposed signal layers, and a second horizontally disposed signal layer of the plurality of horizontally disposed signal layers. The PCB may include a second vertically disposed differential via electrically connected to the first signal horizontally disposed layer and the second horizontally disposed signal layer. The PCB may include a first set of clearances encompassing the first vertically disposed differential via and the second vertically disposed differential via, a second set of clearances encompassing the first vertically disposed stub, and a third set of clearances encompassing the second vertically disposed stub.

Abstract: In some examples, a computing device is to detect a fiducial mark on a portable device that comprises a display screen, generate supplemental information that corresponds to information presented in the display screen of the portable device, and cause display of the supplemental information by a display device of the computing device, according to an orientation that is based on the detected fiducial mark, the displayed supplemental information supplementing the information presented in the display screen of the portable device.

Abstract: Disclosed herein are printed circuit boards (PCBs) with patterned ground structure filters and data storage devices comprising such PCBs. Each PCB comprises a resonator having an L-shape or a zig-zag shape in a plane of the printed circuit board and at least one signal trace. The resonator has a first dimension and a second dimension in the plane of the printed circuit board. A portion of the at least one signal trace is situated over the resonator and is separated by a distance from the resonator by a dielectric material. In some embodiments, at least part of the portion of the at least one signal trace extends in a same direction as the first dimension (in the case of an L-shaped resonator) or tracks the zig-zag shape of the resonator (in the case of a zig-zag-shaped resonator).

Abstract: Provided is anode active material layer for a lithium battery, comprising multiple particulates of an anode active material, wherein a particulate is composed of one or a plurality of particles of a high-capacity anode active material being embraced or encapsulated by a thin layer of a high-elasticity polymer having a recoverable tensile strain no less than 10% when measured without an additive or reinforcement, a lithium ion conductivity no less than 10?5 S/cm at room temperature, and a thickness from 0.5 nm (or a molecular monolayer) to 10 ?m (preferably less than 100 nm), and wherein the high-capacity anode active material has a specific lithium storage capacity greater than 372 mAh/g (e.g. Si, Ge, Sn, SnO2, Co3O4, etc.).

Abstract: A display panel, an array substrate and a manufacturing method are disclosed. The method includes steps of: providing a substrate; disposing a thin-film transistor on the substrate; disposing R color resist layer, G color resist layer, a blue B color resist layer and a white W color resist layer on the thin-film transistor; forming a planarization layer on the R color resist layer, the G color resist layer, the B color resist layer and the W color resist layer, and through a multi-tone mask to form a first protection layer, a spacer layer and a vias having different thicknesses. The present invention forms the first protection layer, the spacer layer and the vias only through one process so as to reduce the manufacturing process to reach the purpose of simplifying the process. Besides, the present invention also manufactures a W color resist layer to increase the transmittance and brightness.

Abstract: Disclosed herein are printed circuit boards with embedded solenoid filters through which signal traces pass to filter unwanted noise and electromagnetic interference. A printed circuit board comprises a least three layers, a solenoid embedded within the at least three layers, and at least one trace extending through the solenoid. The insertion loss characteristics of the solenoid filter can be tuned by modifying the number of turns in the solenoid(s) and the width of the solenoid(s). The solenoid filter may comprise multiple solenoids connected in series, with adjacent solenoids having opposite wind directions. Surface components may be included on the board to tune the insertion loss further.

Abstract: Provided is a cable-shaped alkali metal-sulfur battery comprising: (a) a first electrode comprising an electrically conductive porous rod and a first mixture of a first electrode active material and a first electrolyte residing in pores of the porous rod; (b) a porous separator wrapping around the first electrode; (c) a second electrode comprising an electrically conductive porous layer wrapping around or encasing the separator, wherein the porous layer contains a second mixture of a second electrode active material and a second electrolyte residing in pores of the porous layer; and (d) a protective sheath encasing the second electrode; wherein one electrode is a cathode containing sulfur, a sulfur-carbon compound, sulfur-polymer composite, or metal sulfide.

Abstract: Provided is an aluminum secondary battery comprising an anode, a cathode, a porous separator electronically separating the anode and the cathode, and an electrolyte in ionic contact with the anode and the cathode to support reversible deposition and dissolution of aluminum at the anode, wherein the anode contains aluminum metal or an aluminum metal alloy as an anode active material and the cathode comprises a layer of aligned graphene sheets that are oriented in such a manner that the layer has a graphene edge plane in direct contact with the electrolyte and facing the separator. These aligned/oriented graphene sheets are preferably bonded by a binder for enhanced structural integrity and cycling stability. Such an aluminum battery delivers a high energy density, high power density, and long cycle life.

Abstract: Provided is lithium secondary battery comprising a cathode, an anode, and an electrolyte or separator-electrolyte assembly disposed between the cathode and the anode, wherein the anode comprises: (a) a foil or coating of lithium or lithium alloy; and (b) a thin layer of a high-elasticity polymer disposed between the foil/coating and the electrolyte (or separator-electrolyte assembly), having a recoverable tensile strain no less than 2%, a lithium ion conductivity no less than 10?6 S/cm at room temperature, and a thickness from 1 nm to 10 ?m, wherein the high-elasticity polymer contains a cross-linked network of polymer chains having an ether linkage, nitrile-derived linkage, benzo peroxide-derived linkage, ethylene oxide linkage, propylene oxide linkage, vinyl alcohol linkage, cyano-resin linkage, triacrylate monomer-derived linkage, tetraacrylate monomer-derived linkage, or a combination thereof in the cross-linked network of polymer chains.

Abstract: A rechargeable lithium cell comprising a cathode, an anode, a non-flammable quasi-solid electrolyte containing a lithium salt dissolved in a mixture of a liquid solvent and a liquid additive having a salt concentration from 1.5 M to 5.0 M so that said electrolyte exhibits a vapor pressure less than 0.01 kPa, a vapor pressure less than 60% of the vapor pressure of the liquid solvent alone, a flash point at least 20 degrees Celsius higher than the flash point of the liquid solvent alone, a flash point higher than 150° C.

Abstract: A rechargeable lithium cell comprising a cathode, an anode, a non-flammable electrolyte, wherein the electrolyte contains a lithium salt dissolved in a liquid solvent having a lithium salt concentration from 0.01 M to 10 M so that the electrolyte exhibits a vapor pressure less than 0.01 kPa when measured at 20° C., a vapor pressure less than 60% of the vapor pressure of the liquid solvent alone, a flash point at least 20 degrees Celsius higher than a flash point of the liquid solvent alone, a flash point higher than 200° C., or no flash point, wherein the liquid solvent contains a cooking oil selected from palm oil, palm olein, coconut oil, corn oil, soybean oil, cottonseed oil, peanut oil, sunflower oil, canola oil, rice bran oil, olive oil, sesame oil, safflower oil, avocado oil, flaxseed oil, grapeseed oil, walnut oil, almond oil, lard, or a combination thereof.

Abstract: Provided is a rechargeable alkali metal-sulfur cell comprising an anode active material layer, an electrolyte, and a cathode active material layer containing multiple particulates of a sulfur-containing material selected from a sulfur-carbon hybrid, sulfur-graphite hybrid, sulfur-graphene hybrid, conducting polymer-sulfur hybrid, metal sulfide, sulfur compound, or a combination thereof and wherein at least one of the particulates is composed of one or a plurality of sulfur-containing material particles being embraced or encapsulated by a thin layer of a high-elasticity polymer having a recoverable tensile strain no less than 10% when measured without an additive or reinforcement, a lithium ion conductivity no less than 10?5 S/cm at room temperature, and a thickness from 0.5 nm to 10 ?m. This battery exhibits an excellent combination of high sulfur content, high sulfur utilization efficiency, high energy density, and long cycle life.

Abstract: Provided is aluminum secondary battery comprising an anode, a cathode, a porous separator electronically separating the anode and the cathode, and an electrolyte in ionic contact with the anode and the cathode to support reversible deposition and dissolution of aluminum at the anode, wherein the anode contains aluminum metal or an aluminum metal alloy as an anode active material and the cathode comprises a layer of graphitic carbon particles or fibers, preferably selected from meso-phase carbon particles, meso carbon micro-beads (MCMB), coke particles or needles, soft carbon particles, hard carbon particles, amorphous graphite containing graphite micro-crystallites, multi-walled carbon nanotubes, carbon nano-fibers, carbon fibers, graphite nano-fibers, graphite fibers, or a combination thereof.

Abstract: Provided is an aluminum secondary battery comprising an anode, a cathode, a porous separator electronically separating the anode and the cathode, and an electrolyte in ionic contact with the anode and the cathode to support reversible deposition and dissolution of aluminum at the anode, wherein the anode contains aluminum metal or an aluminum metal alloy as an anode active material and the cathode comprises a layer of recompressed exfoliated graphite or carbon material that is oriented in such a manner that the layer has a graphite edge plane in direct contact with the electrolyte and facing the separator. Typically, this graphite edge plane is substantially parallel to the separator layer plane. Such an aluminum battery delivers a high energy density, high power density, and long cycle life.