Abstract: Provided is a method of producing a non-flammable quasi-solid electrolyte for a lithium battery, the method comprising (A) dissolving a lithium salt in a first liquid solvent to obtain a mixture having a first concentration of lithium salt less than 3.0 M (mole/L), but greater than 0.001M; and (B) removing a portion of the first liquid solvent to obtain the quasi-solid electrolyte having a final lithium salt concentration higher than the first concentration 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 first liquid solvent alone, a flash point at least 20 degrees Celsius higher than a flash point of the first liquid solvent alone, a flash point higher than 150° C., or no detectable flash point.

Abstract: The nuclear-energy storage integrated lead-based reactor with an autonomous load-following function includes a reactor core, a phase change energy storage device, and a thermal energy utilization device; the reactor core is configured for heating a coolant, and the thermal energy utilization device is configured for absorbing heat in the coolant; the phase change energy storage device is provided at an inlet side of the reactor core, and configured for exchanging heat with the coolant, and a phase change temperature of the phase change energy storage device is consistent with a preset inlet temperature of the reactor core. The nuclear-energy storage integrated lead-based reactor has a natural circulation flow rate that is not easy to oscillate and diverge, the fuel assembly does not have the risk of overheating and melting, and the structural components are not easy to suffer from thermal fatigue, and it has high safety performance.

Abstract: The invention provides a 7-ethyl-10-hydroxycamptothecin drug precursor with fluorescence activity and a preparation method and use thereof. The method involves that a carboxyl group of a boron dipyrromethene dye molecule is condensed with a hydroxyl group at the 10 position of 7-ethyl-10-hydroxycamptothecin, yielding a 7-ethyl-10-hydroxy-camptothecin drug precursor (BDP-SN38) with fluorescent activity. BDP-SN38 shows good solubility and stability in most pharmaceutically acceptable solvents. Compared with SN38, BDP-SN38 exhibits comparable antitumor activity, has high tumor uptake capacity, and produces strong green fluorescence with the excitation of visible light, thus providing fluorescence-guided bioimaging and further treatment of residual tumors after drug treatment, and having good application prospects in the research of integrated diagnosis and treatment and effective tumor treatment.

Abstract: An anode electrode is provided. The anode electrode includes an anode current collector and an anode active material layer disposed on the anode current collector. The anode active material layer includes an electrochemically active material, a dispersant polymer binder, an adhesive polymer binder, and a conductive filler. The electrochemically active material includes graphite. The dispersant polymer binder has amphiphilic properties including a hydrophobic domain and a hydrophilic domain that stabilizes hydrophobic carbons in water. The adhesive polymer binder has a glass transition temperature that provides flexibility, durability, and cohesive strength between carbon particles. The conductive filler includes a conductive carbon that reduces pore channel and charge transfer resistance at a binder active material interface.

Abstract: A device comprising a region that includes a component configured to generate heat and a thermally conductive layer coupled to the region, where the thermally conductive layer includes a plurality of segmented thermally anisotropic conductive channels. Each segmented thermally anisotropic conductive channel from the plurality of segmented thermally anisotropic conductive channels is aligned in a first direction. Each segmented thermally anisotropic conductive channel from the plurality of segmented thermally anisotropic conductive channels is configured to provide heat transfer capabilities in the first direction. The thermally conductive layer is configured to (i) reduce the junction temperature of the component and/or (ii) reduce a surface temperature of the device.

Abstract: An electrolyte, comprising: (a) a polymer, which is a polymerization or crosslinking product of a reactive additive, wherein the reactive additive comprises at least one reactive polymer, reactive oligomer, or reactive monomer and a curing agent or initiator and wherein the reactive polymer, oligomer, or monomer comprises at least a reactive carboxylic and/or a hydroxyl group; (b) a lithium salt; and (c) an organic liquid solvent or ionic liquid. The polymer preferably comprises a cross-linked network of chains from poly(acrylic acid), poly(vinyl alcohol), polyethylene glycol, carboxymethyl cellulose, or a combination thereof. Also provided is a lithium battery comprising such an electrolyte.

Abstract: The invention provides a method of improving the cycle-life of a lithium metal secondary battery. The method comprises implementing an anode-protecting layer between an anode active material layer and a porous separator/electrolyte, wherein the anode-protecting layer or cathode-protecting layer comprises a conductive sulfonated elastomer composite having from 0.01% to 40% by weight of a conductive reinforcement material and from 0.01% to 40% by weight of an electrochemically stable inorganic filler dispersed in a sulfonated elastomeric matrix material and the protecting layer has a thickness from 1 nm to 100 ?m, a fully recoverable tensile strain from 2% to 500%, a lithium ion conductivity from 10?7 S/cm to 5×10?2 S/cm, and an electrical conductivity from 10?7 S/cm to 100 S/cm when measured at room temperature.

Abstract: An open-ear earphone includes a housing, a chamber is provided inside the housing, a speaker is provided inside the chamber and divides the chamber into a front chamber and a rear chamber. The housing is provided with a first sound hole and a second sound hole. The front chamber is communicated to the outside through the first sound hole, and the rear chamber is communicated to the outside through the second sound hole. The rear chamber includes a first volume down chamber and a second volume down chamber communicated to the first volume down chamber, and the first volume down chamber is located between the speaker and the second volume down chamber. The sound wave in backward motion generated by the speaker is transmitted to the outside from the second sound hole after being reduced by the first volume down chamber and the second volume down chamber.

Abstract: Provided is a method of producing one or a plurality of lithium cells, comprising: (a) providing at least a dry lithium cell, comprising a cathode, an anode, a porous separator, and a protective casing, wherein the dry cell is electrolyte-free or contains an initial amount of electrolyte less than a final desired amount; (b) injecting a liquid electrolyte into at least a dry cell to form at least a wet cell, wherein the liquid electrolyte comprises a lithium salt dissolved in a first liquid solvent having a first lithium salt concentration from 0.001 M to 3.0 M; (c) removing portion of the liquid solvent from at least a wet cell to obtain at least a lithium cell comprising a quasi-solid electrolyte having a final lithium salt concentration higher than first concentration and higher than 2.0 M; and (d) optionally sealing the protective housing to produce the lithium cell(s).

Abstract: A PCI-E expansion card module is configured to insert in a slot with a rotation switch. The PCI-E expansion card module includes a PCI-E expansion card body and an unlock mechanism. The PCI-E expansion card body includes an inserting portion and a positioning hook. The unlock mechanism is disposed beside the PCI-E expansion card body, and the unlock mechanism includes a pushing member. When the PCI-E expansion card body is inserted into the slot, the rotation switch is on a moving path of the pushing member. The pushing member moves and pushes the rotation switch to release a limitation of the PCI-E expansion card body.

Abstract: A rechargeable lithium battery comprising an anode, a cathode, and a quasi-solid or solid-state electrolyte in ionic communication with the anode and the cathode, wherein the electrolyte comprises: (a) a polymer, which is a polymerization or crosslinking product of a reactive additive, wherein the reactive additive comprises at least one reactive polymer, reactive oligomer, or reactive monomer and a crosslinking agent or initiator; (b) a lithium salt; and (c) from 0% to 30% by weight or by volume of a non-aqueous liquid solvent, based on the total weight or volume of the polymer, the lithium salt, and the liquid solvent combined. This liquid solvent proportion is preferably <20%, more preferably <10% and most preferably <5% by weight or by volume. The cathode comprises particles of a cathode active material and the electrolyte is in physical contact with at least a majority of or substantially all of the cathode active material particles.

Abstract: A composite particulate for a lithium battery, wherein the composite particulate has a diameter from 10 nm to 50 ?m and comprises one or more than one anode active material particles that are dispersed in a high-elasticity polymer matrix or encapsulated by a high-elasticity polymer shell, wherein said high-elasticity polymer matrix or shell has a recoverable elastic tensile strain no less than 5%, when measured without an additive or reinforcement dispersed therein, and a lithium ion conductivity no less than 10?8 S/cm at room temperature and wherein said high-elasticity polymer comprises a crosslinked polymer network of chains from carboxymethyl cellulose (CMC), a substituted version thereof, or a derivative thereof.

Abstract: The present disclosure provides a display assembly, including: a display panel which includes: a screen portion, a chip providing portion, a bendable portion located between the screen portion and the chip providing portion, and a spacer portion connected between the bendable portion and the screen portion; a blocking layer on the screen portion; a cured adhesive layer located outside an area of the screen portion and including: a first portion covering the bendable portion and a second portion covering the spacer portion, the first portion and the second portion each having an thickness less than that of the blocking layer, the second portion is in contact with the blocking layer, and a surface of the second portion distal to the spacer portion is substantially flat. The present disclosure also provides a manufacturing method of the display assembly and a display device.

Abstract: A negative electrode for an electrochemical cell that cycles lithium includes a negative electrode including an electroactive material layer disposed on a current collector that has lithiated silicon oxide (LSO) negative electroactive material at ? about 10 weight % to ? about 30 weight % of a total weight of the electroactive material layer and a carbonaceous negative electroactive material, such as graphite. An electrochemical cell that incorporates such a negative electrode may also include a second electrode comprising a porous positive active material layer comprising a positive lithium containing, nickel-rich electroactive material, such as a lithium nickel manganese cobalt aluminum oxide, a porous separating layer disposed between the first electrode and the second electrode and an electrolyte disposed in pores of the separating layer.

Abstract: Provided is highly elastic polymer composite binder composition for use in an anode or cathode of a lithium battery, the composition comprising a polymerizing or cross-linking liquid precursor and a 0.01%-50% by weight of a conductive reinforcement material dispersed in the liquid precursor, wherein the liquid precursor is capable of chemically bonding to an anode active material or cathode active material in the lithium battery upon completion of polymerization or cross-linking reactions to form a high-elasticity polymer and the resulting high-elasticity polymer has a recoverable tensile strain from 5% to 700% when measured without the conductive reinforcement dispersed in the polymer.

Abstract: The invention provides a 7-ethyl-10-hydroxycamptothecin drug precursor with fluorescence activity and a preparation method and use thereof. The method involves that a carboxyl group of a boron dipyrromethene dye molecule is condensed with a hydroxyl group at the 10 position of 7-ethyl-10-hydroxycamptothecin, yielding a 7-ethyl-10-hydroxy-camptothecin drug precursor (BDP-SN38) with fluorescent activity. BDP-SN38 shows good solubility and stability in most pharmaceutically acceptable solvents. Compared with SN38, BDP-SN38 exhibits comparable antitumor activity, has high tumor uptake capacity, and produces strong green fluorescence with the excitation of visible light, thus providing fluorescence-guided bioimaging and further treatment of residual tumors after drug treatment, and having good application prospects in the research of integrated diagnosis and treatment and effective tumor treatment.

Abstract: Provided is an anode active material layer for a lithium battery. The anode active material layer comprises multiple anode active material particles and an optional conductive additive that are bonded together by a binder comprising a high-elasticity polymer having a recoverable or elastic tensile strain no less than 5% when measured without an additive or reinforcement in the polymer. The high-elasticity polymer contains a cross-linked network of polymer chains. The anode active material preferably has a specific lithium storage capacity greater than 372 mAh/g (e.g. Si, Ge, Sn, SnO2, Co3O4, etc.).