Abstract: A multi-scale aggregation pattern analysis method for a complex traffic network is provided, which belongs to the field of the highway traffic network. Firstly, an adjacency matrix, a position attribute matrix, a distance weight matrix, a road grade matrix, and a time-phased traffic congestion degree matrix of a highway traffic network are calculated; secondly, a weight influence factor of the road network is incorporated based on a PageRank algorithm to determine order of critical nodes; finally, a two-dimensional decision diagram is drawn by two indicators: order of critical nodes and a shortest path distance. A new weighting matrix which accords with the actual situation of the road network is obtained by incorporating a position weight matrix, a distance weight matrix, a road grade weight matrix and a dynamic traffic congestion degree weight matrix based on a similarity matrix of the spectral clustering.

Abstract: An anti-fatigue and safety control method for ultra-long life service structures under extreme environment, comprising: judge the fatigue fracture mode in the long life stage of the service structure; according to the interaction principle of defect-matrix, obtain the internal defect induced fatigue cracking mechanism in ultra-high cycle regime under the service environment; considering the environmental factors, clarify the internal defect-matrix-environment interaction mechanism under service conditions and obtain the environmental weakening coefficient; considering the environmental factors, establish a fatigue life prediction model based on defect-load-life correlation under service conditions in ultra-high cycle regime; the process parameters of material metallurgy and manufacturing, design parameters of structural strength, structural service stress and environmental parameters are regulated based on the concept of integrated design/manufacturing.

Abstract: A point cloud decoding method is provided. In the method, a target point cloud group of a plurality of point cloud groups is obtained. The target point cloud group includes at least one point. An attribute coding mode of the target point cloud group is determined. Prediction attribute information of each point in the target point cloud group is obtained based on attribute prediction of the respective point in the target point cloud group according to the attribute coding mode of the target point cloud group. Reconstruction residual information of each point in the target point cloud group is obtained based on attribute decoding of the respective point in the target point cloud group. Reconstruction attribute information of each point in the target point cloud group is determined according to the prediction attribute information and the reconstruction residual information of the respective point in the target point cloud group.

Abstract: A battery charging method is provided, including: constant-current charging the battery with a first charge current I1 to a first voltage U1 and constant-voltage charging the battery with the first voltage U1 to a first charge cut-off current I1? (S1); constant-current charging the battery with the first charge current I1 to a second voltage U2, where U2 is a limited charge voltage of the battery, and U2>U1 (S2); and constant-current charging the battery with a second charge current I2 to a third voltage U3 and constant-voltage charging the battery with the third voltage U3 to a second charge cut-off current I2?, where U3>U2, I2<I1, and I1??I2? (S3). An electronic apparatus and a medium are provided, which can shorten the time of a battery being at high voltage, thus alleviating capacity decay of the battery during charge-discharge cycles.

Abstract: An electrochemical apparatus includes an electrode assembly, where the electrode assembly includes a positive electrode plate, a negative electrode plate, and a separator for separating the positive electrode plate and the negative electrode plate. The positive electrode plate includes a positive electrode current collector, a positive electrode active material layer, and a non-active material layer. The positive electrode active material layer is formed on a surface of the positive electrode current collector, and the non-active material layer is formed on a surface of the positive electrode active material layer away from the positive electrode current collector. In a first direction, the non-active material layer has a thickness of 1 µm to 20 µm, where the first direction is a thickness direction of the positive electrode current collector. A diffusion rate of lithium ions in the non-active material layer is less than that in the positive active material layer.

Abstract: A charging method for charging a battery, including the following steps: obtaining a lithium deposition potential of the anode; obtaining a first charging current In at different states of charge (SOC) during an nth charge and discharge cycle based on the lithium deposition potential of the anode, the n is an integer greater than or equal to 0; and during an mth charge and discharge cycle, charging the battery with a second charging current Im, m is an integer greater than n, and Im=k1×In, 0.5?k1?1. The present application also provides an electronic device and a storage medium. The above-mentioned charging method, electronic device and storage medium can quickly charge the battery.

Abstract: A method for charging a battery, and electronic device using the method, includes charging the battery with a first charge current Im at constant current in a mth charge-discharge cycle of the battery, wherein the battery has a first cut-off voltage V1 when the constant current charging stage of the battery is cut off in the mth charge-discharge cycle. The first charge current Im is calculated according to a formula Im=In+k×In, where, 0<k?1, In is the charging current of the constant current charging stage of the battery or another battery identical to the battery in the nth charge-discharge cycle, or In can be a preset value, n is an integer and is greater than or equal to 0, and m is an integer greater than n, the value of k is not the same in at least two charge-discharge cycles of the battery.

Abstract: A method of a charging battery includes the following steps: charging the battery with a first charging current in an nth charge and discharge cycle, where n is an integer greater than or equal to 0; and charging the battery with a second charging current in an (n+m)th charge and discharge cycle, where m is a preset integer greater than or equal to 1, Ib=k1×Ic, 0.5?k1?1, and Ic is a third charging current, where the third charging current is a smaller one of a first maximum charging current and a second maximum charging current in a same state of charge. This application further provides an electronic apparatus and a storage medium.

Abstract: An electrochemical apparatus includes a positive electrode plate. The positive electrode plate includes a positive electrode current collector, a positive electrode active material layer, and a positive electrode coating layer. The positive electrode current collector includes a first zone, a second zone, and a third zone. The positive electrode active material layer includes a first portion, a second portion, and a third portion that are disposed in the first zone, the second zone, and the third zone, respectively. The positive electrode coating layer includes a fourth portion and a fifth portion that are disposed in the first zone and the second zone, respectively. Combined impedance of the first portion and the fourth portion is greater than impedance of the third portion, and combined impedance of the second portion and the fifth portion is greater than the impedance of the third portion.

Abstract: A charging method for battery. In an n-th charging process, charging a first battery to a charge cut-off voltage Un in a first charging manner, where n is a positive integer; after the n-th charging process is completed, leaving the first battery standing, and obtaining an open-circuit voltage OCVn of the first battery at a standing time of ti; in an m-th charging process, charging the first battery to the charge cut-off voltage Un in the first charging manner, where m is a positive integer, and m>n; after the m-th charging process is completed, leaving the first battery standing, and obtaining an open-circuit voltage OCVm of the first battery at the standing time of ti; and under the condition of OCVn>OCVm, continuing to charge the first battery standing in a second charging manner to a first voltage U?m, where U?m=Un+k×(OCVn?OCVm), and 0<k?1.

Abstract: A charging method for battery, including: in an n-th charging process, charging a first battery to a charge cut-off voltage Un and a charge cut-off current In in a first charging manner; then, leaving the first battery standing, and obtaining an open-circuit voltage OCVn of the first battery at a standing time of ti; in an m-th charging process and subsequent charging processes, charging the first battery to the charge cut-off voltage Un and the charge cut-off current In in the first charging manner; then, leaving the first battery standing, and obtaining an open-circuit voltage OCVm of the first battery at the standing time of ti; and under the condition of OCVn>OCVm, continuing to charge the first battery that has been standing in a second charging manner until the charge cut-off current of the first battery is a first current Im, where Im=(Un?k×OCVn?(1?k)×OCVm)/(Un?OCVm)×In, and 0<k?1.

Abstract: A charging method for battery includes: in an n-th charging process, charging a first battery to a charge cut-off voltage Un in a charging manner; after the n-th charging process is completed, leaving the first battery standing, and obtaining an open-circuit voltage OCVn, of the first battery at a standing time of ti; in an m-th charging process, charging the first battery to the charge cut-off voltage Un in the charging manner, where m>n; after the m-th charging process is completed, leaving the first battery standing, and obtaining an open-circuit voltage OCVm of the first battery at the standing time of ti; and under the condition of OCVn>OCVm, in an (m+1)-th charging process and subsequent charging processes, charging the first battery to a first charge cut-off voltage Um+1 in the charging manner, where Um+1=Un+k×(OCVn?OCVm), and 0<k?1.

Abstract: A charging method for battery includes: in an n-th charging process, charging a first battery to a charge cut-off voltage Un in a first charging manner; after the n-th charging process is completed, leaving the first battery standing, and obtaining an open-circuit voltage OCVn of the first battery at a standing time of ti; in an m-th charging process, charging the first battery to the charge cut-off voltage Un in the first charging manner; after the m-th charging process is completed, leaving the first battery standing, and obtaining an open-circuit voltage OCVm of the first battery at the standing time of ti; and under the condition of OCVn>OCVm, in an (m+1)-th charging process and subsequent charging processes, charging the first battery to the charge cut-off voltage Un in the first charging manner and then continuing to charge the first battery to a first voltage Um+1 in a second charging manner.

Abstract: An electrode plate includes: a current collector, including, in a width direction, a first edge region, a second edge region, and a middle region located between the first edge region and the second edge region; a first coating layer, including a first portion and a second portion disposed on the first edge region and the second edge region respectively; and a second coating layer. A part of the second coating layer is disposed on the middle region, another part of the second coating layer is disposed on the first coating layer. The second coating layer includes an active material. A first bonding force between the first portion and the first edge region and a second bonding force between the second portion and the second edge region are both greater than a third bonding force between the second coating layer and the middle region.

Abstract: An electrode plate includes: a current collector; a first coating applied onto the current collector includes an active material, and the first coating includes a first edge part, a middle part, and a second edge part sequentially in a width direction of the current collector; and a second coating, including a first part disposed on the first edge part and a second part disposed on the second edge part. A first bonding force is exerted by a surface of the first part that is away from the first edge part. A second bonding force is exerted by a surface of the second part that is away from the second edge part. A third bonding force is exerted by a surface of the middle part that is away from the current collector. Both the first bonding force and the second bonding force are greater than the third bonding force.

Abstract: An electrochemical apparatus includes an electrode plate including a current collector, a first coating layer, and a second coating layer. The first coating layer is provided between the current collector and the second coating layer. The second coating layer includes a first active material. R2*d/D<R1, wherein R1 refers to a resistance of the first coating layer, R2 refers to a resistance of the second coating layer, d refers to a thickness of the first coating layer, D refers to a thickness of the second coating layer, R2 and R1 are measured in ohms, and D and d are measured in microns.

Abstract: Described is a method of processing an antimicrobial glass substrate. More particularly, described is a method of removing one or more of silver nitrate or silver oxide on the surface of an antimicrobial glass substrate. Also described is a method of manufacturing a glass substrate that is substantially free of yellow discoloration.

Abstract: A method of charging a battery, including: in an mth charge and discharge cycle, constant-current charging a battery to a first cut-off voltage Um at a charging current, where m is any two or more integers of 1, 2, 3, . . . , x, and Um has different values in at least two charge and discharge cycles. The method shortens fully charged time of a battery and further ensure that phenomena of lithium precipitation and overcharge do not occur on the battery, thereby prolonging a service life of the battery.

Abstract: A method of a charging battery includes the following steps: charging the battery with a first charging current in an nth charge and discharge cycle, where n is an integer greater than or equal to 0; and charging the battery with a second charging current in an (n+m)th charge and discharge cycle, where m is a preset integer greater than or equal to 1, Ib=k1×Ic, 0.5?k1?1, and Ic is a third charging current, where the third charging current is a smaller one of a first maximum charging current and a second maximum charging current in a same state of charge. This application further provides an electronic apparatus and a storage medium.

Abstract: A method for charging a battery includes charging the battery with a charging current at a constant current during an mth charge and discharge cycle; a first state of charge SOC1 of the battery when the constant current charging phase in any one charge and discharge cycle ends is the same as a standard state of charge SOC0, SOCb?SOC0?SOCa+k. SOCa is a state of charge or a preset value of the battery at the end of the constant current charging phase during an nth charge and discharge cycle, SOCb is a state of charge or a preset value of the battery at the end of the constant current charging phase during an (m?1)th charge and discharge cycle, SOCb?SOC0?SOCa+k, 0?k?10%, and SOCa+k?100%.