Method for managing the heat in an electric battery
US8338012B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 5, 2011 |
| Grant date | Dec 25, 2012 |
| Priority date | — |
| Expiry date | Aug 5, 2031 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T10/70
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Methods for managing the heat in an electric battery, including, when recharging said battery, preconditioning at an average temperature T0 and, when using said battery, determining the difference ΔT1 between the temperatures of the hottest element and of the coolest element and as the absolute value ΔT2 of the difference between the temperature T0 and the average temperature T of said battery. The method includes, when the difference ΔT1 is lower than a first setpoint C1, deactivating the circulating device and as the heat-conditioning devices and, when the difference ΔT1 is higher than a first setpoint C1 or when the difference ΔT2 is higher than a second setpoint C2, activating the fluid-circulating device while keeping the heat-conditioning devices deactivated if the difference ΔT2 is lower than the second setpoint C2, or while activating a heat-conditioning device if the difference ΔT2 is higher than the second setpoint C2.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.