There is provided a direct current power supply circuit mounted in a working vehicle with increased safety as compared with related art by a configuration where a main power source is used after a battery management system (BMS) determines that the main power source can be used. A direct current power supply circuit includes a first power source, a switch, a second power source and a first relay, in which the first power source is connected to a battery management system through the first relay so as to supply direct current power, the battery management system is activated by supply of direct current power from the second power source when the switch is turned on, and the first relay is on-controlled when determined that the first power source can be used.

An electric or hybrid motor-vehicle having a modular battery system having at least one fixed battery module and at least one removable battery module is provided. The removable battery module has an outer casing that receives a first thermally conductive plate and at least one rechargeable battery pack, placed in contact with the first thermally conductive plate. An internal circuit extending inside the first thermally conductive plate is filled with a heat transfer fluid. A second thermally conductive plate is fluidly connected to the internal circuit so as to be flowed through by the heat transfer fluid flowing in the internal circuit and is arranged with an outer face thereof outside the outer casing to be placed in contact with a direct expansion plate of an auxiliary cooling circuit installed on the electric or hybrid motor-vehicle.

Provided is a lithium secondary battery with improved t electrochemical characteristics through improvement of the structural stability by including a cathode active material doped with molybdenum (Mo). The lithium secondary battery includes a cathode; an anode; a separator positioned between the cathode and the anode; and an electrolyte. In particular, the cathode active material includes molybdenum (Mo) doped on a composite oxide of lithium and metal including manganese (Mn) and titanium (Ti).

A battery module comprising a plurality of cells and a casing comprising one or more cell-containing layers configured to house the cells is provided. The casing further comprises one or more cooling layers, such that each cooling layer is configured to contain the partial immersion cooling means in such a manner that said partial immersion cooling means are positioned directly around at least one electrode of the cells. A battery pack thermal management system for a vehicle comprising at least one of the battery modules is also provided, as well as a method of controlling the cell temperature of a battery module using said system.

A cooling structure for a battery is provided. The cooling structure includes a plurality of stacked battery cells and tabs are formed on one side or both sides of electrode of each of the battery cells. Additionally, a cooling passage is configured to accommodate the tabs in an inner space thereof and the tabs operate as cooling fins in the cooling passage.

A solar powered vehicle topper unit and systems and methods for the same are provided. A solar energy harvesting device is electrically connected to an electronic display within a housing. A support extends between the housing and the solar energy harvesting device such that a bottom surface of the solar energy harvesting device is located above, and spaced apart form, a top surface of the housing to secure the solar energy harvesting device in an elevated position. The solar energy harvesting device has a first footprint, and the housing has a second footprint which is smaller than the first footprint.

A motorized, voice-activated ‘smart’ mobile workstation incorporating casters, a base support member, a work surface with height-adjustment feature, a power source for recharging electronic devices held on the mobile workstation, a power cord which plugs into an electrical wall outlet for recharging of mobile workstation, and a battery which extends the operation of the mobile workstation while the mobile workstation is not plugged into an electrical wall outlet. The mobile workstation further includes a motor which gives the mobile workstation rotational energy, smart technology which comprises a computerized ‘brain’ which helps humans communicate with the mobile workstation by giving simple voice commands, which control the directional and elevational movement of the mobile workstation. A remote control apparatus powers on and off the mobile workstation and is also an alternative means for controlling the directional and elevational movement of the mobile workstation. Further included are sensors which include collision avoidance capabilities.

A solid battery including a positive electrode layer; a negative electrode layer; a current collecting layer; a solid electrolyte layer; and an insulating layer. Each of the positive electrode layer, the negative electrode layer, the current collecting layer, the solid electrolyte layer, and the insulating layer contains a material having a glass transition point of 500° C. or less in an amount of 10 vol % to 60 vol %, and among contents of the material having a glass transition point of 500° C. or less in each of the positive electrode layer, the negative electrode layer, the current collecting layer, the solid electrolyte layer, and the insulating layer, a difference between a maximum content and a minimum content is 30 vol % or less.

This disclosure relates to a battery assembly with a plate having a compression limiting feature, and a corresponding electrified vehicle and method. An example battery assembly includes a wall having an inner surface and an outer surface. The wall also has a central opening. The battery assembly further includes a plate abutting the outer surface of the wall and covering the central opening. The plate also includes a main body and a post projecting from the main body toward the inner surface of the wall. Among other benefits, this arrangement limits compression of the wall and increases the ease of mounting components, such as electrical or fluid connectors, to the battery assembly.

A vehicle chassis is designed to contain at least one electricity storage cells' module. The chassis comprises a bottom panel and at least one housing for the at least one electricity storage cells' module, each housing comprising a cover, the bottom panel supporting the housing in at least one region of contact with the housing. The chassis also comprises a cooling circuit of the at least one electricity storage cells' module. The cooling circuit is a closed circuit designed to guide a heat transfer fluid. The cooling circuit extends into the bottom panel and is set back from the contact region. The bottom panel comprises at least two flat plates and an embossed plate extending between the two flat plates.