Entity

Time filter

Source Type


A battery deterioration determination device includes a temperature sensor that detects a temperature of a battery; and a determination unit that determines whether the battery has deteriorated or not, wherein the determination unit executes a different deterioration determination process between a first case where the temperature detected by the temperature sensor is less than a predetermined temperature and a second case where the temperature detected by the temperature sensor is equal to or higher than a predetermined temperature.


Patent
GS Yuasa International Ltd. | Date: 2015-09-25

There is provided an energy storage device including: an electrode body; a lid portion; and a case main body having a body portion in a shape of a container which is open on one end side and for housing the electrode body inside itself and a sealing portion for surrounding and retaining the lid portion from an outer periphery on the opening side of the body portion, wherein an outside diameter of the sealing portion is smaller than an outside diameter of the body portion.


Patent
GS Yuasa International Ltd. | Date: 2015-09-29

An energy storage apparatus includes: a housing which has a container body and a lid portion provided with external connection terminals; an energy storage module which is arranged in the housing, the energy storage module having a cell stack; a bolt which restricts movement of the energy storage module with respect to a bottom wall of the container body; and a support member which restricts movement of the energy storage module with respect to the lid portion.


Patent
GS Yuasa International Ltd. | Date: 2015-09-24

An energy storage device includes: an electrode having a composite layer formed by applying a composite directly or indirectly onto a substrate and a non-applied portion, onto which the composite is not applied; and a separator layered on the electrode to face the composite layer. Here, a drawn area is formed in at least. a part of the non-applied portion, and an intermediate layer is interposed at least between the drawn area and the composite layer.


Patent
GS Yuasa International Ltd. | Date: 2015-09-24

An energy storage device includes a positive electrode provided with a positive composite layer containing a positive active material, a negative electrode provided with a negative composite layer containing a negative active material, and a separator partitioning between the positive electrode and the negative electrode, wherein the separator includes a substrate uniaxially drawn into a sheet shape and a coating layer coating at least one of surfaces of the substrate, and the coating layer has an anisotropic structure with orientation in a direction different from a drawing direction of the substrate.

Discover hidden collaborations