Container containing fluorinated organic carbonates

B - Operations – Transporting – 65 – D

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B65D 85/84 (2006.01) C07D 317/36 (2006.01)

Patent

CA 2745964

The invention provides a container containing a fluorinated organic carbonate and a gas atmosphere which contains cover gas selected from the group consisting of a noble gas, e.g., argon, xenon, a gaseous fluorinated aliphatic carbon which is heavier than air and does not interfere with the fluorinated organic compound, and SF6, or any mixture thereof,. Fluorinated organic carbonates are highly suitable as solvents or additives for solvent in Li ion batteries and consequently, must be kept in a very pure state even during expanded times of storage. The argon or xenon gas atmosphere prevents the intrusion of air or moisture even if the container is opened and the liquid handled in an environment of common air. The invention also provides for a method of storing fluorinated organic carbonates in a safe manner.

La présente invention a pour objet un récipient contenant un carbonate organique fluoré et une atmosphère gazeuse qui contient un gaz de couverture choisi dans le groupe constitué par un gaz noble, par exemple, l'argon, le xénon, un carbure aliphatique fluoré gazeux qui est plus lourd que l'air et qui n'interfère pas avec le composé organique fluoré et du SF6, ou un mélange quelconque correspondant. Les carbonates organiques fluorés sont hautement appropriés en tant que solvants ou additifs pour solvant dans des batteries Li-ion et en conséquence, ils doivent être maintenus dans un état très pur même durant des périodes de stockage prolongées. L'atmosphère gazeuse d'argon ou de xénon empêche l'intrusion d'air ou d'humidité même si le récipient est ouvert et si le liquide est manipulé dans un environnement d'air commun. L'invention a également pour objet une méthode sans risque de stockage de carbonates organiques fluorés.

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