Abstract: A heat-collecting forage drying system with wind-solar complementary energy supply includes a drying storehouse, an energy supply device and a drying system. The energy supply device includes a solar photovoltaic power generation plate, a wind turbine and a storage battery. The drying system includes an air-heat drying device and a hydrothermal drying device. The air-heat drying device includes a first solar collector, an air collector tube, an air blower and a standby electric auxiliary heater. The drying storehouse is provided with a flow equalizing plate. The flow equalizing plate separates the drying storehouse into an air inlet chamber and a storage chamber. The hydrothermal drying device includes a second solar collector, a water flow collector tube, a circulating water pump and a heat exchanger. The heat exchanger is mounted on the forage placing station, and the heat exchanger is in communication with the circulating water pump.

Abstract: The present disclosure relates to a multi-mode sensor based on wafer-level packaging and its manufacturing method. The sensor comprises a base for 3D packaging, a multi-mode sensor body, a cap layer, and multiple packaging structures. The base consists of a first substrate, a dielectric layer, a first insulating layer, and multiple through silicon vias (TSVs). The cap layer comprises a second substrate and a bonding ring, where the first surface of the second substrate is provided with a cavity for housing at least part of the multi-mode sensor body. This disclosure has the advantages of high integration, high performance, low cost, miniaturization, high reliability, process feasibility and compatibility, as well as high wafer-level uniformity, making it suitable for a wide range of applications.

Abstract: Provided are an SOP management method and apparatus for a power battery pack, and an electric vehicle. The SOP management method includes: obtaining a SOP value of each parallel battery branch in a power battery pack; and obtaining a current total SOP value of the power battery pack according to the SOP value of each parallel battery branch. In the present application, in a multi-branch-parallel power battery pack, an SOP value of each parallel branch is first subjected to refined estimation according to an operation condition of each parallel branch, and then the total SOP of the power battery pack is estimated from the whole system level, and the problem of statistical distortion of the total SOP of the power battery pack is solved, thereby effectively improving the safety and stability of use of the battery.

Abstract: The disclosure provides an energy storage battery system, including a battery cluster and a first communicating unit. The battery cluster includes at least one battery module, and the battery module includes at least one battery cell. The first communicating unit is used to connect with a high-pressure pump, and external cooling fluid can be pressurized by the high-pressure pump and transmitted to the first communicating unit to cause the first communicating unit to burst, and after the first communicating unit bursts, the cooling fluid is sprayed to the battery cell. The disclosure further provides a control method of battery thermal runaway.

Abstract: The disclosure provides an energy storage battery system, including a battery cluster, a first communicating unit and a second communicating unit. The battery cluster includes at least one battery module, and the battery module includes at least one battery cell. The first communicating unit and the second communicating unit are both communicated with the battery cell. The first communicating unit is used to connect with an air extraction device, and the gas in the battery cell and the first communicating unit can be extracted using the air extraction device. The second communicating unit is used to connect with a low-pressure pump, and external cooling fluid can be transmitted to an interior of the battery cell using the low-pressure pump. The disclosure further provides a control method of battery thermal runaway.

Abstract: Provided are a battery pack and an electric vehicle. The battery pack includes a case, a cooling plate assembly and an energy storage unit. The cooling plate assembly and the energy storage unit are arranged inside the case, and the cooling plate assembly at least includes a first cooling plate. The first cooling plate is fixed on the case, and the first cooling plate divides the case, in a Z-direction, into a first accommodating space which is located above the first cooling plate, and a second accommodating space which is located below the first cooling plate. The energy storage unit at least includes a first energy storage unit which is arranged inside the first accommodating space and fixed on the first cooling plate, and a second energy storage unit which is arranged inside the second accommodating space.

Abstract: Disclosed are an electric vehicle thermal management system, a battery thermal management method and an electric vehicle. The electric vehicle thermal management system comprises a first loop, a second loop, a first temperature control mechanism, a second temperature control mechanism, a conveying mechanism and a release mechanism, wherein the first loop transmits a first heat conducting agent; a battery and the first temperature control mechanism are respectively connected to the first loop; the second loop transmits a second heat conducting agent; the second temperature control mechanism and a driving motor are respectively connected to the second loop; the conveying mechanism is respectively connected to the first loop and the second loop; and the release mechanism is connected to the first loop, such that a battery fire disaster is effectively prevented from occurring, and the safety of the vehicle is improved.

Abstract: The disclosure provides a battery module. The battery module includes a battery stacked body, which includes stacked batteries; cooling plates that are installed at the tail ends in a battery stacking direction of the battery stacked body, and the cooling plates and the battery stacked body are installed in a thermal insulation mode; and heat transfer device that are in thermal contact with the cooling plates, and heat of the batteries is transferred to the cooling plates through the heat transfer device; wherein in a normal charging-discharging state, the battery with the highest temperature in the battery stacked body is a battery A; and between a single cooling plate and the battery A, a thermal resistance between each battery and the heat transfer device is reduced along with the increase of a distance between the each battery and the cooling plate in the battery stacking direction.

Abstract: The disclosure provides a battery module. The battery module includes a battery stacked body, which includes stacked batteries; cooling plates that are installed at the tail ends in a battery stacking direction of the battery stacked body, and the cooling plates and the battery stacked body are installed in a thermal insulation mode; and heat transfer device that are in thermal contact with the cooling plates, and heat of the batteries is transferred to the cooling plates through the heat transfer device; wherein in a normal charging-discharging state, the battery with the highest temperature in the battery stacked body is a battery A; and between a single cooling plate and the battery A, a thermal resistance between each battery and the heat transfer device is reduced along with the increase of a distance between the each battery and the cooling plate in the battery stacking direction.