Estimation device, estimation method, and computer program
OwnerYosuke OKABE, Motonobu MURAKAMI +2inventors
InventorsYosuke OKABE, Motonobu MURAKAMI, Shota YAMAUCHI, Shigeki YAMATE
Life of this patent
Estimating the term…
Abstract
Provided are an estimation device, an estimation method, and a computer program. An estimation device includes: an acquisition unit configured to acquire data relating to a strain generated in an energy storage device; and an estimation unit configured to estimate an internal stress in the energy storage device based on the data acquired by the acquisition unit using a simulation model that expresses a dynamic state inside the energy storage device.
Claims23
An estimation device comprising:
- an acquisition unit configured to acquire data on a strain generated in an energy storage device;
- and
- an estimation unit configured to estimate an internal stress in the energy storage device based on the data acquired by the acquisition unit using a simulation model that expresses a dynamic state inside the energy storage device.
An estimation device comprising an arithmetic operation unit configured to simulate, using a simulation model that includes a contact area between active material particles and a solid electrolyte as parameter, an electrochemical phenomenon of an all-solid-state battery that includes the solid electrolyte.
An estimation device comprising an arithmetic operation unit that, with respect to an energy storage device in which precipitates are generated corresponding to charging and discharging, calculates an inherent strain of the energy storage device based on a generation amount and a precipitation mode of the precipitates, and calculates the distribution of a stress or a strain generated in the energy storage device based on the calculated inherent strain.
An estimation method causing a computer to perform processing to acquire data relating to a strain generated in an energy storage device, and to estimate an internal stress of the energy storage device based on acquired data using a simulation model that expresses a dynamic state inside the energy storage device.
The estimation method of causing a computer to perform processing to simulate, using a simulation model that includes a contact area between active material particles and a solid electrolyte as a parameter, an electrochemical phenomenon of an all-solid-state battery that includes the solid electrolyte.
An estimation method used with respect to an energy storage device in which precipitates are generated corresponding to charging and discharging, the estimation method causing a computer to perform processing to calculate an inherent strain of the energy storage device based on a generation amount and a precipitation mode of precipitates, and to calculate distribution of a stress or a strain generated in the energy storage device based on the calculated inherent strain.
A computer program causing a computer to perform processing to simulate, using a simulation model that includes a contact area between active material particles and a solid electrolyte as a parameter, an electrochemical phenomenon of an all-solid-state battery that includes the solid electrolyte.
A computer program used with respect to an energy storage device in which precipitates are generated corresponding to charging and discharging, the computer program causing a computer to perform processing to calculate an inherent strain of the energy storage device based on a generation amount and a precipitation mode of precipitates, and to calculate distribution of a stress or a strain generated in the energy storage device based on the calculated inherent strain.
Dependencies are inferred from the claim text.