The charge control circuit includes a cell connection detection circuit monitoring a voltage between input ports to which terminals of a cell pack are connected, an overvoltage detection circuit monitoring an overvoltage of the secondary cells, a first latch circuit receiving a signal output by the cell connection detection circuit, a second latch circuit receiving a signal output by the overvoltage detection circuit, a reset circuit outputting a signal to the first latch circuit and the second latch circuit when the charge control circuit is activated, and a control circuit receiving a signal output from the second latch circuit and outputting a signal for protecting the cell pack from the overvoltage. The control circuit does not output a signal for blowing the fuse until the first latch circuit receives a detection signal of the cell connection detection circuit.

A battery module includes a cell stack including stacked pouch-type secondary battery cells, which have electrode leads in opposite directions; a bus bar frame having first and second vertical plates and an upper plate connected to the first and second vertical plates to be hinged to at least one of the first and second vertical plates; and a mono-frame having a rectangular tube shape with an inner space in which the cell stack mounted to the bus bar frame is disposed. A plurality of bus bars are provided at outer surfaces of the first and second vertical plates, and the electrode leads of the cells are electrically connected to the corresponding bus bars through slots formed in the first and second vertical plates. A sensing member electrically connected to the bus bars of the vertical plates to sense electrical characteristics of the cells is disposed at the upper plate.

An apparatus for communication and balancing in a battery system includes a battery pack connected to a management network. The management network is configured to communicate with a master controller via a communication bus. The apparatus is configured to operate in a communication mode and a balancing mode.

Discussed is a a process automation system including: a cell transferor configured to transfer battery cells; a cell inspector configured to measure an open circuit voltage of each battery cell in units of a preset number of battery cells and to sort out qualified battery cells and defective battery cells; a frame transferor configured to transfer module frames of a battery module to insert the qualified battery cells; a cell discharger configured to load and discharge the defective battery cells; and a gripper configured to pick up one or more battery cells from any one device among the cell transferor, the cell inspector, the frame transferor, and the cell discharger, and transport the one or more battery cells to another device.

A power supply is disclosed for an industrial control system or any system including a distributed power supply network. In embodiments, the power supply comprises: a battery module including a battery cell and a battery monitor configured to monitor the battery cell; and a self-hosted server operatively coupled with the battery module, the self-hosted server being configured to receive diagnostic information from the battery monitor and provide network access to the diagnostic information. In implementations, the diagnostics stored by the self-hosted server can be broadcast to or remotely accessed by enterprise control/monitoring systems, application control/monitoring systems, or other remote systems via a secured network (e.g., secured access cloud computing environment).

Disclosed is a battery rack managing apparatus, which may effectively wake up a plurality of module BMSs. The battery rack managing apparatus manages a battery rack provided with a plurality of battery modules, and includes a plurality of module BMSs provided to correspond to one or more battery modules among the plurality of battery modules; a rack BMS configured to communicate with the plurality of module BMSs and control the plurality of module BMSs; a heater configured to generate and supply heat; and a plurality of wake-up units provided to correspond to the plurality of module BMSs, respectively, and including a variable resistor element configured to change a resistance value by the heat supplied by the heater, the plurality of wake-up units being configured to supply a wake-up signal to a corresponding module BMS when the resistance value of the variable resistor element is changed.

A method for identifying a cell quality during cell formation includes: conducting a beginning of life cycling following an initial cell formation charge of multiple cells; collecting and preprocessing a discharge data set generated by one of the multiple cells during the beginning of life cycling; calculating a statistical variance from the discharge data set identifying an estimated probability of meeting a target cell usage time; and projecting a life span of the multiple cells.

A detection method and a detection device for branch states of a battery system are provided. A current on/off state of each branch is judged according to a first open circuit voltage of the corresponding branch and a second open circuit voltage corresponding to the battery system. Time for detecting and diagnosing each branch state can be reduced. It solves that the problem of longer time consumption and large error caused by the determination of the status of each branch through the change of the voltage of each branch in the prior art. A detection efficiency of branch states and an accuracy of detection results of branch states are both improved. The detection method is simple and quick to operate, and will not cause the complexity to increase rapidly as the number of branches increases. The detection method has good feasibility and practicability, and has a wide range of applications.

A battery with a battery management system and a wireless communication module is capable of charging the battery with recaptured energy from an energy regeneration device. The battery management system charges the battery with the energy regeneration device if the output voltage from the energy regeneration device is larger than the charging voltage of the battery. The battery management system can enable and disable charging of the battery with the energy from the energy regeneration device according to an instruction received wirelessly.

Provided is an energy storage system including: an external power input unit receiving uninterrupted external power; a battery storing electric power; a power adjustment device adjusting the uninterrupted external power and the power of the battery, the battery including a battery module with one or more battery cells; a battery management system; a main switch disposed on a power path between the battery module and the battery management system and a path between the battery module and the power adjustment device; and a wake-up relay receiving a wake-up signal from the power adjustment device and transmitting the wake-up signal to the battery management system.