Abstract: An electrochemical device includes a negative electrode plate and an electrolyte, where the negative electrode plate includes a negative electrode active material layer, and the negative electrode active material layer includes a silicon-based material; and the electrolyte includes a compound of formula (I), where in formula (I), X is selected from an oxygen atom or N—R8.

Abstract: Teachings of the present disclosure include methods and systems for automatically configuring and deploying a containerized application. An example method includes: obtaining source code associated with a containerized application; generating an integrated configuration file based on the source code, and constructing, with the integrated configuration file, a component associated with the source code; generating an image configuration file based on the source code and the integrated configuration file, and generating, with the image configuration file, a container image associated with the source code; generating an application configuration file based on the source code, the integrated configuration file, and the image configuration file; and generating the containerized application using the application configuration file and the container image.

Abstract: An electrochemical apparatus includes an electrolyte solution comprising a compound of Formula I and a compound of Formula II wherein R1 is C1 to C10 alkyl, and R2 is halogenated C1 to C10 alkyl; and R21, R22, R23 and R24 are each independently fluorine, or unsubstituted or halogenated C1 to C3 alkyl, and at least one of R21, R22, R23 and R24 includes fluorine.

Abstract: An electrochemical apparatus includes an electrolyte solution comprising a compound of Formula I and a compound of Formula II wherein R1 is halogenated C1 to C10 alkyl and R2 is C1 to C10 alkyl; and R21, R22, R23, and R24 are each independently fluorine or unsubstituted or halogenated C1 to C3 alkyl, and at least one of R21, R22, R23, and R24 contains fluorine.

Abstract: A secondary battery includes a positive electrode plate, a negative electrode plate, a separator and an electrolyte solution. The negative electrode plate includes a negative current collector, and a negative material layer disposed on at least one surface of the negative current collector. A single-sided area density of the negative material layer is D g/1540.25 mm2, 0.100?D?0.180. The electrolyte solution includes fluoroethylene carbonate, and based on a mass of the electrolyte solution, a mass percentage of the fluoroethylene carbonate is A1%, 4.2?A1?14.8; and 25?A1/D?100.

Abstract: A secondary battery includes a positive electrode plate and an electrolyte solution. The electrolyte solution includes a compound having sulfur-oxygen double bond and a nitrile compound. Based on a total mass of the electrolyte solution, a mass percentage of the compound having sulfur-oxygen double bond is A1 %, a mass percentage of the nitrile compound is A2%, 0.08?A1/A2?2.15; and a sum of the mass percentages of the compound having sulfur-oxygen double bond and the nitrile compound is A %, 3?A?15. The positive electrode plate includes a positive electrode material layer, a thickness of the positive electrode material layer is D ?m, and 0.08?A/D?0.42.

Abstract: An electrolyte solution includes a compound represented by Formula I: where m, n, k, and x are each independently selected from 1, 2, or 3; R11 and R12 are each independently selected from hydrogen, halogen, substituted or unsubstituted C1 to C3 alkyl, substituted or unsubstituted C2 to C4 alkenyl, substituted or unsubstituted C2 to C4 alkynyl, or substituted or unsubstituted C6 to C10 aryl, wherein when substituted, a substituent is independently selected from halogen. The multi-cyano (—CN) compound represented by Formula I is introduced into the electrolyte solution, so that the multi-cyano group can stabilize a transition metal in a positive active material and protect a positive electrode interface. The compound represented by Formula I can also be reduced at a negative electrode to protect a negative electrode interface and play a role in suppressing continuous decomposition of the electrolyte solution and suppressing gas production.

Abstract: An electrolyte including one or more nitrile benzoquinone compounds, and the nitrile benzoquinone compound is selected from the group consisting of the compounds represented by formula I, formula II, and formula III: The substituents R1 to R9 are each independently selected from the group consisting of hydrogen, a C2 to C12 ether group, a C1 to C12 alkoxy group, halogen, a C1 to C12 alkyl group, a C2 to C12 alkenyl group, a C2 to C12 alkynyl group, and a C6 to C26 aryl group. The electrolyte can form a stable protective film on a cathode, thereby increasing the cycle capacity retention rate and high temperature storage performance of an electrochemical device.

Abstract: An electrolyte of the electrochemical apparatus includes a linear carboxylate compound and a dinitrile compound. Based on total mass of the electrolyte, a mass percentage a of the linear carboxylate compound is 20% to 70% and a mass percentage b of the dinitrile compound is 0.01% to 7%; a bonding force between a negative electrode active material layer and a negative electrode current collector of a negative electrode plate is peeling strength, where the peeling strength F measured in N/m is 5 N/m to 20 N/m; and the mass percentage a of the linear carboxylate compound, the mass percentage b of the dinitrile compound, and the peeling strength F satisfy a relation 0.14?(100b+F)/100a?1.35.

Abstract: An electrolyte includes fluoroethylene carbonate, where a percentage a of the fluoroethylene carbonate is 0.01% to 5% based on mass of the electrolyte; the positive electrode includes a positive electrode active material, where the positive electrode active material contains element Mn, and a percentage of the element Mn is greater than or equal to 15% based on mass of the positive electrode active material; and the positive electrode active material has a unit reaction area c measured in m2/cm2, where a and c satisfy the following relationship: 0.0006?a/c?6.25, and the unit reaction area is a product of a weight W of the positive electrode active material per unit area and a specific surface area BET of the positive electrode active material.

Abstract: An electrochemical apparatus includes a positive electrode and an electrolyte. The electrolyte includes ethylene carbonate (EC), propylene carbonate (PC), and succinonitrile (SN). The positive electrode includes a positive electrode active material, where the positive electrode active material includes metal element A, and the metal element A includes at least one of the following elements: Mg, Zr, or Al. Based on a mass of the electrolyte, a mass percentage of SN is a %, a mass percentage of EC is b %, and a mass percentage of PC is c %, where k=b/c, 1.25?k?6, and a/k?0.2. Based on a mass of the positive electrode active material, a mass percentage of the metal element A is x %, where 0.01?x?1. The foregoing electrochemical apparatus exhibits excellent high-temperature cycling performance and high-temperature interval cycling performance.

Abstract: An electrochemical device includes a positive electrode, a negative electrode, a separator located between the positive electrode and the negative electrode, and an electrolytic solution. The positive electrode includes a positive current collector and a positive active material layer disposed on the positive current collector. The positive active material layer includes a positive active material. The positive active material includes an element A. The element A is selected from at least one of Al, B, Ca, Mg, Ti, Cu, Nb, Si, Zr, Y, or W. The electrolytic solution includes at least one of 1,3-propane sultone or a derivative thereof. A mass ratio of the element A in the positive active material to 1,3-propane sultone or a derivative is 1:0.2 to 1:50.

Abstract: An electrolytic solution includes a compound containing a —CN functional group and a compound containing a silicon functional group. M is C or Si. R11, R12, and R13 are each independently selected from a substituted or non-substituted C1-C12 alkylene group, a substituted or non-substituted C2-C12 alkenylene group, an O—R group, an R0—S—R group or an R0—O—R group, R0 and R are each independently selected from a substituted or non-substituted C1-C6 alkylene group. n is 0 or 1. R14 is H, fluorine, a cyano group, a substituted or non-substituted C1-C12 alkyl group, a substituted or non-substituted C2-C12 alkenyl group, an O—R1 group, an R0—S—R1 group, or an R0—O—R1 group. R0 is a substituted or non-substituted C1-C6 alkylene group, and R1 is a substituted or non-substituted C1-C6 alkyl group.

Abstract: The present invention provides a multi-functional printed circuit board (PCB) for assembling a plurality of components of a power converter in to a single package. The PCB comprises: one or more planar coils respectively formed on one or more PCB layers and aligned with each other for constructing the transformer and the coupler; and a plurality of conducting traces and vias for providing electrical connection among the plurality of components of the power converter.

Abstract: An electrochemical apparatus, including a positive electrode, a negative electrode, an separator, and an electrolyte, wherein the positive electrode comprises a current collector and a positive active material layer, and the positive active material layer comprises a positive active material; and the electrolyte comprises a compound of Formula I: wherein R11, R12, R13, R14, R15 and R16 are each independently selected from: H, halogen, and the following substituted or unsubstituted groups: a C1-8 alkyl group, a C2-8 alkenyl group, a C2-8 alkynyl group, or a C6-12 aryl group; and an amount of the compound of Formula I required per 1 g of the positive active material is about 0.001 g to about 0.064 g. The present application can effectively improve high-temperature storage and high-temperature cycle performance of an electrochemical apparatus.

Abstract: An electrochemical device includes a positive electrode and an electrolyte. The positive electrode includes a positive current collector and a positive electrode material layer disposed on at least one surface of the positive current collector. After the electrochemical device is charged and discharged for a first cycle, a number of pores in any one region of a 20 ?m×20 ?m size on the positive current collector is X, where X is an integer ranging from 0 to 10. The electrolyte includes a fluorine-containing sulfonyl imide salt and a fluorine-containing substance Y. Based on a mass of the electrolyte, a mass percent of the fluorine-containing sulfonyl imide salt is A %, and a mass percent of the fluorine-containing substance Y is B %. X, A, and B satisfy: 0?AX/B?450.

Abstract: The present application relates to an electrolyte and an electrochemical device including the same. The electrolyte includes a diboronic acid compound and a nitrile compound, so that the storage performance and cycle performance of the electrochemical device using the electrolyte can be remarkably improved.

Abstract: A data processing method, an apparatus, a device, and a medium in a blockchain fund settlement system are provided. A data processing method in a blockchain fund settlement system, performed by at least one processor of a settlement institution terminal, includes: querying, on a blockchain, a settlement request that is to be processed by the settlement institution terminal between a fund settlement initiator and a fund settlement recipient, the settlement request being generated by an initiator terminal of the fund settlement initiator and recorded on the blockchain; receiving the settlement request based on the querying; and generating a settlement result of a settlement performed according to the settlement request, and recording the settlement result on the blockchain.

Abstract: The present invention provides a nitride-based power factor correction (PFC) circuit for improving power distribution efficiency from an AC power supply to a load. The PFC circuit comprises a nitride-based bidirectional switch and a controlling circuit having a first switching node and a second switching node electrically coupled to a first control terminal and a second control terminal of the bidirectional switch respectively. The provided nitride-based PFC circuit has high efficiency over a broad range of input voltage, a simpler circuit topology with smaller component size.

Abstract: This disclosure provides a light-emitting device comprising a semiconductor laminate. The semiconductor laminate includes an n-type semiconductor layer, a p-type semiconductor layer disposed on the n-type semiconductor layer, and an active layer disposed between the n-type and p-type semiconductor layers. The active layer has a first surface proximate to the n-type semiconductor layer and a second surface proximate to the p-type semiconductor layer. The p-type semiconductor layer has a third surface proximate to and a fourth surface distal to the n-type semiconductor layer. The semiconductor laminate further includes hydrogen impurities with a concentration distribution along a thickness direction from the n-type to the p-type semiconductor layers. The concentration distribution has a first peak value at a first location proximate to a second peak value at a second location distal to the active layer. The second peak value is greater than the first peak value.