Abstract: A positive electrode sheet may comprise a positive electrode current collector and a positive electrode film layer having a single-layer structure or a multi-layer structure provided on at least one surface thereof; when the positive electrode film layer is of a single-layer structure, at least one positive electrode film layer may comprise both a first positive electrode active material and a second positive electrode active material; and/or, when the positive electrode film layer is of a multi-layer structure, at least one layer of the at least one positive electrode film layer may comprise both a first positive electrode active material and a second positive electrode active material; the first positive electrode active material may comprises an inner core containing Li1+xMn1-yAyP1-zRzO4, a first coating layer containing pyrophosphate MP2O7 and phosphate XPO4 and covering the inner core, and a second coating layer containing carbon element and covering the first coating layer.

Abstract: A method for training a dialog generation model includes: acquiring a dialog data set, and encoding a post in the dialog data set by using an encoder in the dialog generation model to obtain an encoded representation of the post; fusing, by using a decoder in the dialog generation model, the encoded representation of the post and knowledge information corresponding to the post that is obtained from a knowledge base question answering model through transfer learning to obtain a predicted response corresponding to the post; determining a value of a loss function of the dialog generation model based on the predicted response and the annotated response that correspond to the post; and updating a model parameter of the dialog generation model based on the value of the loss function. A method, an apparatus, a device, and a computer storage medium for generating a dialog are also provided.

Abstract: Methods for treating uremic cardiomyopathy are provided and include the step of administering a polypeptide antagonist of a Na/K ATPase/Src receptor complex to a subject in need thereof. The polypeptide anatagonist can further include a cell penetrating polypeptide. Methods of treating anemia, including anemia-associated with chronic kidney disease, are also provided.

Abstract: A positive electrode sheet, a secondary battery, a battery module, a battery pack and an electrical apparatus are described. The positive electrode sheet includes a positive electrode current collector and a positive electrode film layer arranged on at least one surface of the positive electrode current collector and having a single-layer or multi-layer structure. When the positive electrode film layer is of the single-layer structure, at least one positive electrode film layer comprises both a first positive electrode active material and a second positive electrode active material with a chemical formula of LiaAxMn1-yRyP1-zCzO4-nDn; and/or, when the positive electrode film layer is of the multi-layer structure, at least one layer of the at least one positive electrode film layer includes both a first and second positive electrode active material. The secondary battery made of the positive electrode sheet has high energy density and high battery cell rate performance.

Abstract: The present application discloses a wound electrode assembly, wherein the negative electrode plate thereof includes a negative electrode current collector and a negative active material layer which includes a negative active material disposed on two opposite surfaces of the negative electrode current collector; and the two negative active material layers respectively include active an material layer in an unpaired region and an active material layer in a paired region distributed successively in the length direction of the negative electrode plate, and two active material layers in the unpaired regions are arranged at both ends in the length direction of the negative electrode plate, and a first metallic lithium layer is disposed on the surface of one or both of the active material layers in the unpaired regions, so that to form a first lithium pre-intercalation compound in either or both of the active material layers in the unpaired regions.

Abstract: A positive electrode sheet may comprise a positive electrode current collector and a positive electrode film layer having a single-layer structure or a multi-layer structure provided on at least one surface thereof; when the positive electrode film layer is of a single-layer structure, at least one positive electrode film layer may comprise both a first positive electrode active material and a second positive electrode active material; and/or, when the positive electrode film layer is of a multi-layer structure, at least one layer of the at least one positive electrode film layer may comprise both a first positive electrode active material and a second positive electrode active material; the first positive electrode active material may comprises an inner core containing Li1+xMn1-yAyP1-zRzO4, a first coating layer containing pyrophosphate MP2O7 and phosphate XPO4 and covering the inner core, and a second coating layer containing carbon element and covering the first coating layer.

Abstract: An electrode assembly may comprise a positive electrode plate and a negative electrode plate, wherein a positive electrode active material layer of the positive electrode plate may comprise a positive electrode active material and a quinone compound; and a negative electrode active material layer of the negative electrode plate may comprise a negative electrode active material and a conductive polymer material, wherein based on the mass of the positive electrode active material layer, the mass content of the quinone compound mc % may be 0.5% to 3%; the capacity per gram of the quinone compound may be Capc; the capacity per gram of the positive electrode active material may be Cap; and based on the mass of the negative electrode active material layer, the mass content of the conductive polymer material may be mA %, satisfying the relationship of: 0 . 2 ? C ? a ? p C - Cap Cap × m C / m A ? 5 .

Abstract: An electrode assembly may comprise a positive electrode plate and a negative electrode plate, wherein a positive electrode active material layer of the positive electrode plate may comprise a positive electrode active material and a quinone compound; and a negative electrode active material layer of the negative electrode plate may comprise a negative electrode active material and a conductive polymer material, wherein based on the mass of the positive electrode active material layer, the mass content of the quinone compound mc % may be 0.5% to 3%; the capacity per gram of the quinone compound may be CapC; the capacity per gram of the positive electrode active material may be Cap; and based on the mass of the negative electrode active material layer, the mass content of the conductive polymer material may be mA %, satisfying the relationship of: 0.2 ? Cap C - Cap Cap × m C / m A ? 5.

Abstract: This application relates to the field of battery technologies and discloses a method and an apparatus for battery energy recovery, a battery management system, and a battery. The method includes: sending a charge/discharge instruction to a battery pack, so that the battery pack alternately outputs a charge signal and a discharge signal according to the charge signal when a vehicle is traveling; and performing battery energy recovery for the vehicle according to the charge signal. In the method and the apparatus for battery energy recovery, the battery management system, and the battery in this application, the charge signal and the discharge signal are alternately output so as to perform battery energy recovery under a condition corresponding to the charge instruction. In this way, endurance mileage of the vehicle is effectively increased and degradation speed of the battery is reduced.

Abstract: This application provides a secondary battery, including a negative electrode plate, where the negative electrode plate may include: a negative electrode current collector; a first negative electrode film layer disposed on at least one surface of the negative electrode current collector, where the first negative electrode film layer may include a first negative electrode active material and a first conductive polymer, a mass percentage of the first conductive polymer in the first negative electrode film layer is recorded as A, and A?6%; and a second negative electrode film layer disposed on a surface of the first negative electrode film layer, where the second negative electrode film layer may include a second negative electrode active material and a second conductive polymer, and a mass percentage of the second conductive polymer in the second negative electrode film layer is recorded as B; where the negative electrode plate may satisfy A>B.

Abstract: The present application provides a battery, a manufacturing method and apparatus thereof, and an electric device. The battery includes: a box; a battery unit provided in the box and including multiple battery cells stacked in a first direction, each including two first walls provided oppositely in the first direction and two second walls provided in a second direction orthogonal to the first direction, and an electrode terminal being provided on the second wall; and an end plate provided between a box inner wall of the box and the battery unit and including a first surface facing the box inner wall and a second surface facing the first wall, the first surface including a first region corresponding to a central region of the first wall and a second region corresponding to an edge region of the first wall, and a part of the second surface being a flat surface.

Abstract: A distributed multi-node control system (100) and method, relating to the field of control technology. The distributed multi-node control system (100) comprises: a first control node (11), a second control node (12), a plurality of servo nodes (20) and a plurality of execution devices (30), the first control node (11) and the second control node (12) being respectively communicationally connected to the plurality of servo nodes (20), the servo nodes (20) being electrically connected to the execution devices (30) and configured to control operating states of the corresponding execution devices (30), the first control node (11) being configured to control an operating state of at least one first servo node (21) among the plurality of servo nodes (20), the second control node (12) being configured to control an operating state of at least one second servo node (22) among the plurality of servo nodes (20).

Abstract: A control method and device (100) based on an industrial Ethernet relate to the technical field of Ethernet. The industrial Ethernet involves a master node and a plurality of slave nodes. The master node transmits a predetermined packet to a first slave node (S140). The first slave node transmits the predetermined packet having been rewritten by the first slave node to a succeeding slave node linked to the first slave node until a last slave node in the plurality of the slave nodes receives the predetermined packet having been rewritten by all preceding slave nodes in the plurality of the slave nodes; and the last slave node transmits the predetermined packet back to the master node (S150). The master node then parses the predetermined packet, which has been rewritten by each of the plurality of the slave nodes, to uncover a topology of the slave nodes (S160). The master node informed by the topology transmits a command packet to one of the plurality of the slave nodes to be controlled (S180).

Abstract: Provided in the present disclosure are an IGBT device backside structure and a preparation method therefor, and an IGBT device, the IGBT device backside structure comprising a buffer layer, the buffer layer comprising a first activation efficiency buffer area corresponding to an active area of the IGBT device and a second activation efficiency buffer area corresponding to a terminal area of the IGBT device, the activation efficiency of the first activation efficiency buffer area being less than the activation efficiency of the second activation efficiency buffer area.

Abstract: The current disclosure provides methods for treating chronic pain. The present methods reduce opioid analgesic/antiallodynic tolerance in a subject with chronic pain and prevent the development of opioid analgesic/antiallodynic tolerance. More specifically, the inventive methods include the administration of a caveolin-1 scaffolding domain competing polypeptide (CSD) and/or a non-receptor tyrosine kinase (c-Src) inhibitor to reduce opioid analgesic/antiallodynic tolerance as well as prevent the onset of opioid analgesic/antiallodynic tolerance in a subject with chronic pain.

Abstract: A battery cell includes a housing. A dimension of the housing along a length direction of the battery cell is greater than a dimension of the housing along a thickness direction of the battery cell and a dimension of the housing along a width direction of the battery cell. The housing includes a board extending along the length direction and an accommodation space opened from at least one end of the accommodation space. The battery cell further includes an electrode assembly disposed in the accommodation space and a cover configured to cover the opening. A pressure relief mechanism is disposed at the board and configured to be actuated, in response to an internal pressure or temperature of the housing reaching a threshold, to relieve the internal pressure. In the length direction, an extension dimension of the pressure relief mechanism is greater than or equal to ¼ of an extension dimension of the board.

Abstract: An electrode assembly includes first and second electrode plate having opposite polarities, and a separator separating the first and second electrode plates. The first electrode plate includes two first stack sections and a bend section connecting the first stack sections and including a guide portion configured to guide the bend section to bend during production. The second electrode plate includes a second stack section disposed between the first stack sections. The separator includes two separation sections each disposed between the second stack section and one first stack section. Thickness Da of each first stack section, thickness Dc of the second stack section, and thickness Ds of each separation section in a stacking direction of the first stack sections, and a dimension w of the guide portion in a bending direction of the bend section satisfy: Dc+2Ds?w?2×(Dc+2Ds+Da).

Abstract: The present application discloses an electrode assembly including: a first electrode sheet including an insulating substrate, an electricity-conducting layer arranged on a surface of the insulating substrate, and an active material layer coating on a surface of the electricity-conducting layer, in which the first electrode sheet is bent to form a multi-layer structure and includes a plurality of bending segments and a plurality of first layer-stacking segments arranged to be stacked, and each of the bending segments is configured to connect two adjacent first layer-stacking segments; a second electrode sheet, in which a polarity of the second electrode sheet is opposite to a polarity of the first electrode sheet, and the second electrode sheet includes a plurality of second layer-stacking segments, the plurality of second layer-stacking segments and the plurality of first layer-stacking segments are alternately arranged in a layer-stacking direction of the first layer-stacking segments.

Abstract: The present disclosure provides a lithium-rich negative electrode plate, an electrode assembly and a lithium-ion battery, the lithium-rich negative electrode plate comprises a negative electrode collector and a negative electrode film, the negative electrode film is provided on a surface of the negative electrode collector and comprises a negative electrode active material, the lithium-rich negative electrode plate further comprises a layer of lithium metal provided on a surface of the negative electrode film. The negative electrode film further comprises a cyclic ester which is capable of forming a film on the negative electrode plate, a dielectric constant of the cyclic ester is larger than or equal to 10, and a reduction potential of the cyclic ester relative to Li/Li+ is lower than or equal to 1.5V.

Abstract: Provided is an electrochromic glass, including a first transparent substrate, a second transparent substrate and a functional stacked layer. The functional stacked layer includes a first conductive layer, an electrochromic stacked layer and a second conductive layer, wherein the first conductive layer, the electrochromic stacked layer and the second conductive layer are sequentially arranged on the first transparent substrate and are located between the first transparent substrate and the second transparent substrate. Also provided is a method for manufacturing the electrochromic glass.