Abstract: A secondary battery includes a positive electrode plate and a negative electrode plate; the positive electrode plate includes a positive electrode current collector and a positive electrode film layer arranged on at least one of the surfaces of the positive electrode current collector, the positive electrode film layer includes a positive electrode active material, the negative electrode plate includes a negative current collector and a negative electrode film layer arranged on at least one of the surfaces of the negative current collector, the negative electrode film layer includes a negative electrode active material; the secondary battery satisfies 0.15?(1000*(B/A))/((T*D)*(n2/4))?0.50, in which B/A represents the capacity-excess coefficient of the negative electrode of the secondary battery, dimensionless, T represents the thickness of the negative electrode film layer, in ?m, and D represents the volume average particle size Dv50 of the negative electrode active material, in ?m.

Abstract: Systems, methods, and computer programmable products are described herein for detecting a suspended load by an autonomous vehicle maneuvering about an environment. A scanning device mounted on and perpendicular to a top surface of the autonomous vehicle receives a plurality of data points surrounding the autonomous vehicle. A point detection module detects whether an object is present within a detection range of the autonomous vehicle by: clustering subsets of the plurality of data points and determining whether at least one clustered subset of the plurality of data points is within the detection range. Based on the object being present within the detection range, at least three features are extracted from the object to detect whether the object is a suspended load. The maneuvering of the autonomous vehicle is controlled based on detection of the suspended load.

Abstract: A battery and an electrical apparatus are provided. The battery includes a battery cell and multiple heat exchange plates. The battery cell has a shell accommodating an electrode unit, which includes a plurality of first electrode plate layers of the same polarity stacked in a first direction. Some of the electrode plate layers are equipped with first tabs, forming two tab groups, each comprising multiple connected tabs. A tab-free electrode plate layer is positioned between the two tab groups. The heat exchange plates are arranged in the first direction such that the shell is located between adjacent heat exchange plates and is capable of heat exchange. Each first electrode plate layer at least partially overlaps with a heat exchange plate in the first direction, thereby enhancing heat dissipation of the battery.

Abstract: Embodiments of the present application provide an electrode assembly, a battery cell, a battery, and a method and a device for manufacturing an electrode assembly. The electrode assembly includes a first electrode plate and a second electrode plate. The first electrode plate and the second electrode plate are wound along a winding direction to form a winding structure, and the winding structure includes a bending region. The first electrode plate includes a first segment that exceeds a winding starting end of the second electrode plate, and at least a part of the first segment is configured to provide a support force to a part of the first electrode plate and the second electrode plate in the bending region and located at an outer side the first segment, making a structure of the first electrode plate and the second electrode plate more compact in the bending region.

Abstract: An electrode assembly includes a first electrode plate and a second electrode plate. The first electrode plate includes a first body portion and a tab. The first body portion has a first end portion in a first direction. The tab is coupled to the first end portion. The second electrode plate includes a second body portion and an insulation portion coupled to the second body portion. The first body portion and the second body portion are stacked in a stacking direction perpendicular to the first direction. The second body portion has a second end portion close to the tab in the first direction. The insulation portion covers at least part of the second end portion so as to separate the tab from the second end portion when the tab is bent.

Abstract: Systems, methods, and computer programmable products are described herein for detecting a suspended load by an autonomous vehicle maneuvering about an environment. A scanning device mounted on and perpendicular to a top surface of the autonomous vehicle receives a plurality of data points surrounding the autonomous vehicle. A point detection module detects whether an object is present within a detection range of the autonomous vehicle by: clustering subsets of the plurality of data points and determining whether at least one clustered subset of the plurality of data points is within the detection range. Based on the object being present within the detection range, at least three features are extracted from the object to detect whether the object is a suspended load. The maneuvering of the autonomous vehicle is controlled based on detection of the suspended load.

Abstract: The embodiments of the present application provide a winding type electrode assembly including a positive electrode plate and a negative electrode plate; the positive electrode plate includes a first positive winding end portion and a positive winding middle section; the negative electrode plate includes a first portion and a second portion; and an active material layer of the negative electrode plate exceeds an active material layer of the positive electrode plate, and a difference between a maximum width of a negative active material layer of the first portion and a minimum width of a positive active material layer of the first positive winding end portion is larger than a difference between a maximum width of a negative active material layer of the second portion and a minimum width of a positive active material layer of the positive winding middle section.

Abstract: The present application provides an electrode assembly, a batter cell, a battery, an electric apparatus, and a manufacturing method and device of the electrode assembly. A negative plate of the electrode assembly includes a plurality of first negative active material layers located in an abutting region, and a plurality of second negative active material layers located in a non-abutting region; a positive plate of the electrode assembly includes a plurality of first positive active material layers located in the abutting region, and a plurality of second positive active material layers located in the non-abutting region. An active material capacity per unit area of the first negative active material layer is greater than that of the second negative active material layer; and/or an active material capacity per unit area of the first positive active material layer is less than that of the second positive active material layer.

Abstract: System, method, and computer program product are described herein for autonomously docking an autonomous vehicle. Data including (i) an indication that the autonomous vehicle is within a docking location and (ii) an adjustment distance to place the autonomous vehicle within a threshold distance of the docking location is received. An external reference point detection module identifies an external reference point to the autonomous vehicle. A docking module incrementally adjusts a position of the autonomous vehicle in a first axis based on a distance between the autonomous vehicle and the external reference point until either (i) the autonomous vehicle is within the threshold distance of the docking location or (ii) a number of adjustments exceeds an adjustment maximum.

Abstract: The present disclosure provides a lithium-ion battery, the lithium-ion battery comprises a positive electrode plate, a negative electrode plate, a separator and an electrolyte, the positive active material comprises a layered lithium-containing compound, the negative active material comprises graphite, the positive film and the negative film satisfy a relationship 0.3?(OIc×PDc)/(OIa×PDa)?20.0. The present disclosure can make the lithium-ion battery have smaller swelling and higher charging capability, and also make the lithium-ion battery have excellent cycle life and excellent safety performance during the long-term fast charging process.

Abstract: Systems, methods, and non-transitory computer program product are described herein for detecting location aspects of an autonomous vehicle to avoid collisions. Data including a plurality of points characterizing a trailer of an autonomous vehicle are received from a first scanning device. A first plane associated with the trailer is defined based on the plurality of points exceeding a first predetermined threshold. It is determined whether the first plane is perpendicular to ground. Based on the first plane being perpendicular to the ground, an orientation of the trailer is determined based on the first plane. Maneuvering of the autonomous vehicle is controlled through one or more commands based on the orientation.

Abstract: An electrode sheet and a secondary battery comprising the same are provided. The electrode sheet comprises a current collector and an active material layer provided on at least one surface of the current collector. A first inorganic separation layer and a second inorganic separation layer are sequentially formed on the active material layer. The first inorganic separation layer comprises a plurality of pores having a diameter of 300 nm to 600 nm, and each of the plurality of pores extends from the first inorganic separation layer toward the second inorganic separation layer and penetrates through the second inorganic separation layer. The pore diameter of the pores in the second inorganic separation layer is uniform.

Abstract: Systems, methods, and computer programmable products are described herein for detecting a suspended load by an autonomous vehicle maneuvering about an environment. A scanning device mounted on and perpendicular to a top surface of the autonomous vehicle receives a plurality of data points surrounding the autonomous vehicle. A point detection module detects whether an object is present within a detection range of the autonomous vehicle by: clustering subsets of the plurality of data points and determining whether at least one clustered subset of the plurality of data points is within the detection range. Based on the object being present within the detection range, at least three features are extracted from the object to detect whether the object is a suspended load. The maneuvering of the autonomous vehicle is controlled based on detection of the suspended load.

Abstract: A vehicle speed control method, the method comprises: when a vehicle body is in a normal state, determining a first vehicle speed of the vehicle body based on road safety information; acquiring a driving segment of the vehicle body, and determining a pose variation amount of the vehicle body within the driving segment; determining a tangential acceleration of the vehicle body within the driving segment according to a correlation between the pose variation amount of the vehicle body and the tangential acceleration of the vehicle body; when the tangential acceleration of the vehicle body reaches a preset maximum tangential acceleration, determining a second vehicle speed of the vehicle body; and determining whether the second vehicle speed is smaller than the first vehicle speed, and if the second vehicle speed is smaller than the first vehicle speed, determining the second vehicle speed to be a target vehicle speed.

Abstract: Systems, methods, and computer programmable products are described herein for detecting a suspended load by an autonomous vehicle maneuvering about an environment. A scanning device mounted on and perpendicular to a top surface of the autonomous vehicle receives a plurality of data points surrounding the autonomous vehicle. A point detection module detects whether an object is present within a detection range of the autonomous vehicle by: clustering subsets of the plurality of data points and determining whether at least one clustered subset of the plurality of data points is within the detection range. Based on the object being present within the detection range, at least three features are extracted from the object to detect whether the object is a suspended load. The maneuvering of the autonomous vehicle is controlled based on detection of the suspended load.

Abstract: The present disclosure provides a lithium-ion battery, the lithium-ion battery comprises a positive electrode plate, a negative electrode plate, a separator and an electrolyte, the positive active material comprises a layered lithium-containing compound, the negative active material comprises graphite, the positive film and the negative film satisfy a relationship 0.3?(OIc×PDc)/(OIa×PDa)?20.0. The present disclosure can make the lithium-ion battery have smaller swelling and higher charging capability, and also make the lithium-ion battery have excellent cycle life and excellent safety performance during the long-term fast charging process.

Abstract: The embodiments of the present application provide a winding type electrode assembly including a positive electrode plate and a negative electrode plate; the positive electrode plate includes a first positive winding end portion and a positive winding middle section; the negative electrode plate includes a first portion and a second portion; and an active material layer of the negative electrode plate exceeds an active material layer of the positive electrode plate, and a difference between a maximum width of a negative active material layer of the first portion and a minimum width of a positive active material layer of the first positive winding end portion is larger than a difference between a maximum width of a negative active material layer of the second portion and a minimum width of a positive active material layer of the positive winding middle section.

Abstract: Systems, methods, and computer program products are described herein for container misalignment detection for an autonomous vehicle. Misalignment of a container loaded onto an autonomous vehicle is detected by receiving data including an indication that the container is loaded onto the autonomous vehicle. A scanning device mounted on the autonomous vehicle captures a plurality of data points in the vicinity of the container. A misalignment detection module identifies a first data point of the plurality of data points and a second data point of the plurality of data points. The misalignment detection module evaluates a height difference between a height of the first data point and a height of the second data point. The misalignment detection module determines whether the container is misaligned on the autonomous vehicle based on the height difference. An indication of whether the container is misaligned is provided.

Abstract: A wound electrode assembly includes a positive electrode sheet including a positive electrode winding starting section not provided with positive electrode tabs and a positive electrode winding extension section provided with a positive electrode tab. The positive electrode winding starting section and the positive electrode winding extension section are connected, and the positive electrode winding starting section is wound at least one circle.

Abstract: An electrode assembly includes a positive electrode plate and a negative electrode plate wound or stacked to form a bend region, and a barrier layer provided at the bend region. At least part of the barrier layer is located between the positive electrode plate and the negative electrode plate that are adjacent to each other, and is configured to prevent at least part of ions deintercalated from the positive electrode plate from being intercalated into the negative electrode plate in the bend region. A ratio of a thickness of the barrier layer to a porosity of the barrier layer is larger than or equal to 3.5 microns and smaller than or equal to 2000 microns.