89results about "Cell temperature regulation" patented technology

A cooling structure for batteries and electrical units, that cools the batteries being driving sources of a motor mounted in a vehicle capable of traveling by a driving force of the motor and electrical units for driving the motor, the cooling structure including: a plurality of battery boxes that each contain one of the batteries; cooling passages that are each formed in each of the battery boxes, through which cooling air flows; a merging part where downstream ends of the cooling passages of the battery boxes are merged with each other; and cooling portions of the electrical units, that are provided on a downstream side of the merging part, wherein the electrical units are disposed on a downstream side of the battery boxes.

A Lithium Ion battery cooling system for use in a hybrid vehicle comprises a plurality of self-contained liquid cooling modules, each cooling module including a closed and sealed container having an interior space. Each cooling module includes a battery assembly disposed within the interior space of the container and a plurality of battery cells having at least one fluid channel formed therebetween for receiving a fluid therein. A dielectric fluid is disposed within the at least one fluid channel. The dielectric fluid substantially immerses and is in contact with the battery assembly to heat and cool the battery assembly. A heating element is disposed within the interior space and heats the dielectric fluid. A cooling element is disposed within the interior space and cools the dielectric fluid.

A battery module and a method for cooling the battery module are provided. The battery module includes a housing having an electrically non-conductive oil disposed therein, and a battery cell disposed in the housing that contacts the electrically non-conductive oil. The battery module further includes first and second heat conductive fins disposed in the housing that contacts the electrically non-conductive oil. The first and second heat conductive fins extract heat energy from the electrically non-conductive oil. The battery module further includes first and second conduits extending through the first and second heat conductive fins, respectively. The first and second conduits receive first and second portions of a fluid, respectively, therethrough and conduct heat energy from the first and second heat conductive fins, respectively, into the fluid to cool the battery cell.

A battery cooling structure includes a cooling plate and an electrically insulative sheet. The cooling plate is to support a cooling surface of a battery module to cool the battery module including a plurality of battery cells arranged side by side. The electrically insulative sheet has an electrical non-conductivity and is disposed between the cooling surface of the battery module and the cooling plate to transfer heat from the cooling surface to the cooling plate.

A method and system for heating a vehicle battery, such as the type used for vehicle propulsion in a hybrid electric vehicle (HEV). Depending on the battery chemistry involved, such batteries may not perform well in extremely cold environments. For instance, a lithium-ion battery can exhibit a high internal resistance when the battery is extremely cold, which in turn can negatively affect the available power or other capabilities of the battery. According to an exemplary embodiment, the method and system take advantage of the high internal resistance in a cold vehicle battery by purposely cycling electrical current in and/or out of the battery so that heat is created. This heat warms up the vehicle battery and thereby improves its overall performance and capabilities.

Disclosed embodiments include thermoelectric-based thermal management systems and methods configured to heat and/or cool an electrical device. Thermal management systems can include at least one electrical conductor in electrical and thermal communication with a temperature-sensitive region of the electrical device and at least one thermoelectric device in thermal communication with the at least one electrical conductor. Electric power can be directed to the thermoelectric device by the same electrical conductor or an external power supply, causing the thermoelectric device to provide controlled heating and/or cooling to the electrical device via the at least one electrical conductor.

The invention provides a heating circuit of a battery. The heating circuit comprises a switching device (10), a switching control module (100), a unidirectional semiconductor element D10, a damping element R and a transformer (T), wherein the switching control module (100) is electrically connected with the switching device (10); the battery, the damping element R, the first coil of the transformer (T) and the switching device (10) are mutually connected in series to form a battery discharging circuit; and the battery, the damping element R, the second coil of the transformer (T) and the unidirectional semiconductor element D10 are mutually connected in series to form a battery charging circuit. Current limit and energy storage are realized by using the transformer (T), the current in the charging and discharging circuits can be reduced to avoid damaging the battery, and the energy consumption of the whole heating process is reduced.

A motor vehicle and a method for operating the same. The motor vehicle includes a first heating/cooling circuit with a heat source/sink arranged therein and a first pump, and a second heating/cooling circuit with a battery to be heated/cooled arranged therein and a second pump. The heating/cooling circuits can be selectively operatively and/or fluidically connected by way of at least one valve such that the same liquid heat carrier flows through both heating/cooling circuits.

A battery (Ia.. Ie) having a housing (2) and a plurality of galvanic cells (3) arranged in the housing (2) is provided. In addition, a fan (5a..5c) is arranged in the housing (2) to create a fluid flow circulating inside the housing (2). According to the invention, a heat exchanger (6a..6e) having a forward flow (7) and a return flow (8) for a heat transfer medium, which lead out of the housing (2) is arranged in the flow path (A) of the fluid flow.

The present invention relates to the technical field of electrically powered automobiles, and in particular relates to a temperature control system with thermal tubes for a vehicle power battery box. The temperature control system with thermal tubes comprises an outer battery box, an inner battery box, and a plurality of battery cells provided inside the inner battery box, with heat-sink thermal tubes or heating thermal tubes closely clamped between the battery cells; the heat-sink thermal tubes or heating thermal tubes are separated from each other; a heat-preserving plate for the outer box is provided on the body of the outer battery box, and a cover plate for the inner box is provided on the top of the body of the inner battery box; the other parts of the body of the inner battery box are provided with heat-preserving plates for the inner box; heating devices are provided on the bottom of the inner battery box; heat-sink fans are provided on the outer battery box. The temperature control system with thermal tubes can be used to heat the battery during subzero winters in northern regions as well as to dissipate heat from the battery during hot weather in summers, providing a good operating environment for the battery cells and playing an important role in improving the service performance and the safety of the battery cells.

The present invention relates to the technical field of power supplies of electric vehicles, hybrid electric vehicles and electric aircrafts, especially to a constant temperature control battery pack. The constant temperature control battery pack comprises an inner box and a battery pack. Heat exchange liquid is arranged inside the inner box. A temperature detection device is arranged on an upper cover of the box. The constant temperature control battery pack further comprises a heating apparatus, a cooling apparatus, a first pipeline and a second pipeline. According to the present invention, the automatic constant temperature control system is provided for the relation between the electrochemical characteristics of the battery pack and the temperature changing, wherein the automatic constant temperature control system can be provided for heating the battery pack, cooling the battery pack, and holding the temperature of the battery pack to enable the battery pack to work in an optimal temperature range; the battery pack is prevented from influence due to the environmental temperature changing; the battery pack using is prevented from influence due to the using area; the performance of the battery pack can be provided at maximum at any temperature; the generated heat can be rapidly dissipated when the battery has the short-circuit fault, such that the misfire and the burning can not be generated; the capacity, the efficiency, the service life and the safety of the battery pack are improved; the constant temperature control battery pack provided by the present invention provides significant advances than the battery pack in the prior art.

A battery pack includes at least a first stack of battery modules, and a second stack of battery modules, each stack including a plurality of battery modules arranged in parallel in side by side relationship extending in a longitudinal direction, the battery pack further including at least one heat exchanger interposed between the first and second stacks, the heat exchanger being in thermal contact with interstack coupling surfaces extending in a longitudinal and transversal plan [L-T] of the battery modules. The invention also relates to a corresponding heat exchanger.

A battery pack for supplying energy to propel a vehicle is disclosed. In one example, a battery pack includes a thermoplastic over mold for providing resistance to liquid is disclosed. The battery pack may have increased resistance to battery pack degradation.

An engine compartment of an automotive vehicle is provided. The compartment comprises an internal combustion engine including an air intake manifold and an electrical storage battery. The battery is housed in a storage box and an air intake system supplies air to the air intake manifold and the battery storage box. The air intake system has an inlet supplying air to a flow diverter. The flow diverter has a main channel including a bend dividing the main channel into a first passage and a second passage tangential to the first passage. The second passage is in fluid communication with the air intake manifold. The flow diverter includes an outlet facing the first passage which is in fluid communication with the battery storage box.

A vehicle propulsion system comprising a plurality of solid state rechargeable battery cells configured to power a drivetrain is disclosed. In accordance with one aspect of the invention, a transportation system that is powered at least in part by electricity stored in the form of rechargeable electrochemical cells. According to an embodiment of the present invention, these cells are combined in series and in parallel to form a pack that is regulated by charge and discharge control circuits that are programmed with algorithms to monitor state of charge, battery lifetime, and battery health.

A battery pack device of an embodiment includes a battery module, a casing, an air inlet, an air outlet, and a ventilation channel. In the battery module, a plurality of battery cells stacked one on another are disposed. The casing is installed while housing the battery module therein. The air inlet is provided in the casing and lets an outside air into the casing. The air outlet is provided in the casing, disposed at a position higher than a position of the air inlet, and lets the air out of the casing. The ventilation channel, in the casing, connects the air inlet and the air outlet, and inclines with respect to a horizontal direction.

The invention discloses a cylindrical lithium ion power cell, which comprises a cylindrical housing, a positive electrode cover plate, a negative electrode cover plate, a positive electrode post, a negative electrode post, a center tube and an electrical core, and is characterized in that the positive electrode cover plate and the negative electrode cover plate are respectively fixed on two ends of the housing; the positive electrode post and the negative electrode post are respectively disposed on the positive electrode cover plate and the negative electrode cover plate; the center tube is positioned inside the housing; the two ends of the center tube are respectively connected with the positive electrode post and the negative electrode post; and the electrical core contains a negative electrode piece, an isolated film and a positive electrode piece, wherein the negative electrode piece, the isolated film and the positive electrode piece successively wind on the center tube; the negative electrode cover plate is equipped with a through hole; a negative electrode ceramic ring is seal welded inside the through hole; and the negative electrode post is disposed through the central hole of the negative electrode ceramic ring and seal welded with the negative electrode ceramic ring. According to the invention, the ceramic ring is used to separate the negative electrode cover plate from the negative electrode post, and vacuum sealing can be achieved after the ceramic ring is welded, thus greatly raising the reliability of the cell sealing and guaranteeing the security of the cell used for a long time; in addition, the cell provided by the invention has a long service life.

A module battery is housed in a module battery housing rack. An electric cell is housed in a container. The container is provided with a high thermal conductive wall and a low thermal conductive wall. A first portion of a plate overlaps the outer surface of the high thermal conductive wall and a second portion of the plate protrudes from the outer surface. The second portion surrounds the first portion. A first main surface of the plate is brought into direct contact with the outer surface at the first portion and it is apart from the container at the second portion. A second main surface of the plate is exposed to a space, to which heat is allowed to radiate. An opening may or may not be formed at the first portion. A thermal conducting medium may be held between the first wall and the first portion.