Abstract: An organic material represented by General Formula (1): where, in General Formula (1), R1 is an alkyl group having 6 carbon atoms or more but 20 carbon atoms or less; n is an integer of from 1 through 3; X1 to X4 are each a hydrogen atom or a fluorine atom; and Z is a compound represented by General Formula (2), (3), or (4) below: where, in General Formulae (2) to (4), R2, R3, and R4 are each an alkyl group having 6 carbon atoms or more but 20 carbon atoms or less; and Y is an oxygen atom or a sulfur atom.

Abstract: This application describes an electrode material comprising an indigoid compound, i.e. indigo blue or a derivative thereof, for instance, together with particles of an electrochemically active material dispersed in a binder. Processes for the preparation of the electrode material and electrodes containing the material, as well as to the electrochemical cells and their use are also contemplated.

Abstract: This application describes an electrode material comprising an indigoid compound, i.e. indigo blue or a derivative thereof, for instance, together with particles of an electrochemically active material dispersed in a binder. Processes for the preparation of the electrode material and electrodes containing the material, as well as to the electrochemical cells and their use are also contemplated.

Abstract: A power storage system according to the present technology includes: a parameter detector that detects a parameter of a secondary battery; a table storage unit that stores a table indicating a correspondence between a parameter of the secondary battery and a charging condition; and a charging control unit configured to refer to, based on the detected parameter, a corresponding charging condition from the table and make control to charge the secondary battery in this charging condition.

Abstract: A degradation state estimating device includes: a Q calculator that receives inputs of the voltage, the current, and the battery temperature of a secondary battery, and calculates a discharge capacity; an OCV calculator that calculates an open-circuit voltage (OCV) value; and an OCV curve estimator that estimates at least one OCV curve. A state-of-charge estimating device includes an SOC estimator that estimates a state of charge (SOC) from the OCV curve and the open-circuit voltage (OCV) value estimated by the degradation state estimating device.

Abstract: A degradation state estimating device includes: a Q calculator that receives inputs of the voltage, the current, and the battery temperature of a secondary battery, and calculates a discharge capacity; an OCV calculator that calculates an open-circuit voltage (OCV) value; and an OCV curve estimator that estimates at least one OCV curve. A state-of-charge estimating device includes an SOC estimator that estimates a state of charge (SOC) from the OCV curve and the open-circuit voltage (OCV) value estimated by the degradation state estimating device.

Abstract: According to an example embodiment of the present disclosure, a power storage module state estimation apparatus comprises a parameter calculator configured to calculate a parameter based on a current value of a power storage module, wherein the parameter includes at least one of a direction having a high frequency of current flowing in the power storage module, an average current value of the power storage module, and a charge and discharge capacity after the direction having the high frequency of current flowing in the power storage module is switched; and a hysteresis compensator configured to use the parameter to compensate an open circuit voltage of the power storage module.

Abstract: A power storage system according to the present technology includes: a parameter detector that detects a parameter of a secondary battery; a table storage unit that stores a table indicating a correspondence between a parameter of the secondary battery and a charging condition; and a charging control unit configured to refer to, based on the detected parameter, a corresponding charging condition from the table and make control to charge the secondary battery in this charging condition.

Abstract: According to an example embodiment of the present disclosure, a power storage module state estimation apparatus comprises a parameter calculator configured to calculate a parameter based on a current value of a power storage module, wherein the parameter includes at least one of a direction having a high frequency of current flowing in the power storage module, an average current value of the power storage module, and a charge and discharge capacity after the direction having the high frequency of current flowing in the power storage module is switched; and a hysteresis compensator configured to use the parameter to compensate an open circuit voltage of the power storage module.