Abstract: A method for controlling a level of charge of a traction battery of an electric vehicle connected to an electricity distribution grid by way of a charger during a downtime phase of the vehicle. The method includes a first step of forcibly discharging the battery, performed in a discharging circuit associated with the battery, with a discharge current that is calibrated in terms of strength with respect to the nominal capacity of the battery, so as to slowly and completely discharge the battery to its minimum voltage, and a step of normally charging the battery with a setpoint charging current prescribed by the charger or the battery, so as to charge the battery to a useful level of charge of the battery.

Abstract: A device is disclosed for detecting at least one chemical compound comprising at least one carbon nanotube with several graphene layers, on which is grafted at least one molecule bearing group G1 capable of reacting with the chemical compound or a precursor of such a group G1. The uses and the method of making such a device is also disclosed.

Abstract: A method of manufacturing an electrode, including: a) depositing catalytic growth seeds on an electrically conducting support by aerosol spraying, b) growth of oriented carbon nanotubes on the basis of the deposition of the catalytic growth seeds, c) a deposition of sulphur on the oriented carbon nanotubes formed in b), and d) a deposition of a layer of carbon on the sulphur. An electrode, as well as to a battery including such an electrode, includes an electrically conducting support and oriented carbon nanotubes disposed on the surface of the electrically conducting support and covered at least partly by sulphur, the oriented carbon nanotubes exhibiting a length of greater than 20 ?m, or greater than 50 ?m.

Abstract: A method of manufacturing an electrode, including: a) depositing catalytic growth seeds on an electrically conducting support by aerosol spraying, b) growth of oriented carbon nanotubes on the basis of the deposition of the catalytic growth seeds, c) a deposition of sulphur on the oriented carbon nanotubes formed in b), and d) a deposition of a layer of carbon on the sulphur. An electrode, as well as to a battery including such an electrode, includes an electrically conducting support and oriented carbon nanotubes disposed on the surface of the electrically conducting support and covered at least partly by sulphur, the oriented carbon nanotubes exhibiting a length of greater than 20 ?m, or greater than 50 ?m.

Abstract: A device is disclosed for detecting at least one chemical compound comprising at least one carbon nanotube with several graphene layers, on which is grafted at least one molecule bearing group G1 capable of reacting with the chemical compound or a precursor of such a group G1. The uses and the method of making such a device is also disclosed.