Abstract: A charging control system for a battery includes temperature sensing means configured to provide temperature value associated with the battery, voltage sensing means configured to provide a battery's voltage value, pressure sensing means configured to provide the battery's internal portion pressure value, and a controller.

Abstract: A method of synthesis of lithium titanium thiophosphate LiTi2(PS4)3 including the steps of: (a) providing a mixture of lithium sulfide Li2S, phosphorus sulfide P2S5 and titanium sulfide TiS2; (b) subjecting the mixture prepared in step (a) to a preliminary reaction step through mechanical milling or melt-quenching to produce an intermediate amorphous sulfide mixture; (c) subjecting the mixture prepared in step (b) to a heat treatment step at a maximum plateau temperature of at least 350° C. and less than 500° C.

Abstract: A system for determining a battery condition is provided. The system has temperature sensor configured to provide a temperature value associated with the battery, impedance measuring sensor configured to provide impedance information associated with the battery, and a controller. The controller is configured to determine a threshold impedance associated with a separator membrane of the battery based on an initial impedance of the separator membrane as measured by the impedance measuring sensor and a battery temperature as measured by the temperature sensing means, monitor, during operation of the battery, an actual impedance associated with the separator membrane of the battery based on the impedance information and the battery temperature, permit current flow to and from the battery when actual impedance is greater than the threshold impedance, and prevent current flow to and from the battery when the actual impedance is less than or equal to the threshold impedance.

Abstract: A control device for controlling charging of a rechargeable battery. The control device is configured to: determine the state of charge and the degradation of the battery before starting charging, determine a target charging curve based on the determined state of charge and degradation of the battery, the target charging curve indicating the target capacity as a function of the target voltage of the battery during charging, charge the battery thereby monitoring the capacity and the voltage of the battery, determine the voltage deviation between the target voltage and the monitored voltage based on the target charging curve and the monitored capacity, and stop charging, when the determined voltage deviation exceeds a predetermined threshold. The invention also refers to a corresponding method of controlling charging of a rechargeable battery.

Abstract: A system includes pulse generating means configured to supply a pulse at one or more predetermined current values, voltage sensing means configured to measure a voltage across the battery, and a controller. The controller is configured to determine a present impedance associated with one or more separator membranes of the battery based on a determined voltage drop at the one or more predetermined current values, determine a threshold impedance associated with the one or more separator membranes of the battery based on an initial impedance of the separator membrane and a battery temperature frequency, compare, during operation of the battery, the present impedance and the threshold impedance, permit current flow to and from the battery when the present impedance is greater than the threshold impedance, and prevent current flow to and from the battery when the present impedance is less than or equal to the threshold impedance.

Abstract: A control device for controlling charging of a rechargeable battery, the control device being configured to: determine the voltage of the battery during charging of the battery, stop charging, when the determined voltage exceeds a predetermined upper voltage limit, determine the voltage of the battery after stopping charging, determine the voltage difference between the predetermined upper voltage limit and the determined voltage of the battery after stopping charging, and continue charging, when the determined voltage difference exceeds a predetermined threshold. A corresponding method controls charging of a rechargeable battery.

Abstract: A control device for controlling charging of a rechargeable battery, the control device including a rechargeable dummy cell, a first circuit configured to charge the battery and the dummy cell, and a second circuit configured to measure the open circuit voltage of the dummy cell. The control device is configured to: determine the open circuit voltage of the dummy cell by using the second circuit, and determine the maximum capacity increment of the battery, which is to be charged until full charging, based on the determined open circuit voltage of the dummy cell. Also, a corresponding method of controlling charging of a rechargeable battery.

Abstract: A control device for controlling discharging of a rechargeable battery, the control device being configured to: determine the voltage of the battery during discharging of the battery, stop discharging, when the determined voltage falls below a first predetermined lower voltage limit, determine the voltage of the battery after stopping discharging, determine the voltage difference between the first predetermined lower voltage limit and the determined voltage of the battery after stopping discharging, and continue discharging, when the determined voltage difference exceeds a predetermined threshold. A corresponding method controls discharging of a rechargeable battery.

Abstract: A control device for controlling discharging of a rechargeable battery, the control device comprising a rechargeable dummy cell, a first circuit configured to discharge the battery and the dummy cell, and a second circuit configured to measure the open circuit voltage of the dummy cell. The control device is configured to: determine the open circuit voltage of the dummy cell by using the second circuit, and determine the maximum capacity decrement of the battery, which is to be discharged until full discharging, based on the determined open circuit voltage of the dummy cell. The invention also refers to a corresponding method of controlling discharging of a rechargeable battery.

Abstract: The present disclosure relates to a material containing the elements Li, M, P, S and X wherein M=Si, Ge or Sn, and X=F, Cl, Br or I. The material can be used as a sulfide solid electrolyte material, notably for an all-solid-state lithium battery.

Abstract: An all-solid-state battery includes a mixture layer which has a physical mixture of a sulfide-based sodium-containing solid electrolyte material and a sulfide-based lithium-containing solid electrolyte material.