Various embodiments of the present technology may comprise methods and apparatus to determine an RSOC value of a battery. The methods and apparatus may comprise utilizing various parameters, such as voltage and/or current, to calculate the RSOC of the battery. In various embodiments, the methods and apparatus may display one of a first RSOC and a second RSOC. In various embodiments, the methods and apparatus may further detect changes in the relevant parameter(s), adjust a previously-reported RSOC of the battery accordingly, and report the adjusted RSOC.

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 system may be configured for distributed functional testing of one or more batteries. The system may include a charging station, a discharging station, and an automation station in a distributed arrangement with respect to each other, having respective automation and communication devices, and being in communication with each other to separately charge, discharge, and test the one or more batteries. The automation station may be arranged in at least one of a series configuration and a parallel configuration with respect to at least one of the charging and discharging stations.

Testing of a battery module can be conducted using monitoring electronics attached to the battery module. Stimulus can be applied to the battery module and removed. After removal of the stimulus, the monitoring electronics can collect signals from the monitoring electronics reflecting parameters of the battery module as it relaxes back to a non-stimulated state. The stimulus can be provided by test equipment or by components of a system in which the battery module, having attached monitoring electronics, is implemented. The monitoring electronics attached to the battery module can provide autonomous recording of signals associated with the battery module that can provide data regarding the status of the battery module or one or more batteries contained in the battery module.

A measuring arrangement for secondary alkaline solid electrolyte batteries comprising—two electrically non-conductive cell body halves, both cell body halves comprising at least one and one cell body half comprising at least three feedthroughs, both cell body halves forming a receiving space for receiving a solid electrolyte battery cell comprising at least an anode, a cathode and a solid electrolyte. An electrically conductive holding element for each feedthrough; an electrical contact element for each support element, the electrical contact element being adapted to change its length in response to the force applied to the element; and two planar current conductors comprising electrically conductive and electrically non-conductive regions, at least one of the current conductors being adapted to form at least three separate electrically conductive connections between the contact elements and an electrode of the solid electrolyte battery cell.

Provided is a secondary battery state output system capable of outputting the deterioration state of a secondary battery including a content satisfactory to a user in a timely manner. A state output system of the present invention is a system for outputting the deterioration suite of the secondary battery mounted on a user device used by the user, and includes an output unit which, when the most recent deterioration state of the secondary battery is determined to be deviating from a tendency, determines a detailed deterioration state indicative of a detailed deterioration state of the secondary battery based on information indicative of how the secondary battery had been used by the most recent time point, and outputs the most recent deterioration state and the detailed deterioration state.

A diagnostic device for a secondary battery having a structure in which positive electrodes and negative electrodes are alternately arranged includes an electronic control unit. The electronic control unit is configured to acquire a first resistance value indicating a magnitude of electrical resistance of the secondary battery, compress at least a part of the secondary battery, acquire a second resistance value indicating a magnitude of electrical resistance of the secondary battery after the compression, determine, using the first and second resistance values, whether an amount of decrease in electrical resistance of the secondary battery by the compression is greater than a predetermined value, and determine whether an increase in resistance due to distortion of at least one of the positive electrodes and the negative electrodes occurs in the secondary battery using a result of the determination.

A quality control system analyzes the quality of a battery cell, with the battery cell defining a gas pouch configured to expand from a deflated configuration to an inflated configuration when filled with a gas formed during a cell formation process. The system comprises a computational system comprising a processor and a memory and a measurement instrument in electronic communication with the computational system. The measurement instrument is arranged to measure a distance defined by the gas pouch and transmit a signal to the computational system corresponding to the distance. The computational system is arranged to analyze the distance with the processor and determine a volumetric measurement of the gas within the gas pouch and compare the volumetric measurement to a threshold in the memory to assess a quality score for the battery cell. A corresponding method analyzes the quality of the battery cell with the quality control system.

A method of analyzing the quality of a battery cell includes performing a high-throughput quality check on the battery cell with a quality control system, assessing a quality score to the battery cell, with quality score identifying the battery cell as low-quality or high-quality, and performing a comprehensive quality check on the battery cell if identified as low-quality. The method further includes assessing an enhanced quality score to the battery cell superseding the quality score of the quality control system identifying the battery cell as confirmed low-quality or confirmed high-quality and providing revised production instructions for manufacturing successive battery cells if confirmed low-quality.

A battery pack according to an embodiment includes a case in which a plurality of battery cells are accommodated, and a battery management system (BMS) for detecting damage to the case, wherein the BMS includes a voltage output terminal for outputting a predetermined voltage, a ground terminal, and a voltage measurement terminal for measuring voltage, wherein the case includes a conductive member having a first end connected to the voltage output terminal of the BMS and a second end connected to the ground terminal of the BMS, and a sensing wire having a first end connected to the conductive member and a second end connected to a voltage measurement terminal of the BMS, the conductive member being provided between one surface inside the case and the other surface opposite to the one surface.