公开(公告)号：US10587022B2

公开(公告)日：2020-03-10

申请号：US15572935

申请日：2016-05-09

Applicant: BROMINE COMPOUNDS LTD.

Inventor： Ben-Zion Magnes ,  Ran Elazari ,  Iris Ben-David ,  Eli Lancry

IPC: H01M10/056 ,  H01M12/08 ,  C07D213/20 ,  H01M8/18 ,  H01M10/36 ,  H01M10/42 ,  H01M4/38 ,  H01M4/02

Abstract: The invention relates to a method of operating a zinc-bromine battery, especially at a high temperature, comprising adding 1-n-butyl-2-methyl-pyridinium bromide to the electrolyte of said battery, and charging or discharging said cell. Also provided is the use of 1-n-butyl-2-methyl-pyridinium bromide as an additive in a zinc-bromine battery operating at a temperature above 30° C., and an aqueous concentrate with high content of 1-n-butyl-2-methyl-pyridinium bromide.

公开(公告)号：US09453285B2

公开(公告)日：2016-09-27

申请号：US14220631

申请日：2014-03-20

Applicant: BROMINE COMPOUNDS LTD.

Inventor： Iris Ben-David ,  Gershon Miaskovski ,  Igor Kompaniets

IPC: C07D213/20 ,  C25B1/24 ,  C25B1/02

CPC classification number: C25B1/24 ,  C07D213/20 ,  C25B1/02

Abstract: A process for preparing an aqueous solution of N-ethyl-2-methylpyridinium bromide (2-MEPy), comprising reacting 2-picoline and ethyl bromide in a pressure reactor at a temperature above the melting point of the reaction mixture, combining the reaction product with water, wherein said reaction product consists essentially of 2-MEPy in a liquid form, and recovering an aqueous solution of 2-MEPy.

Abstract translation: 一种制备N-乙基-2-甲基吡啶鎓溴化物（2-MEPy）水溶液的方法，包括在压力反应器中在高于反应混合物熔点的温度下使2-甲基吡啶和乙基溴反应，将反应产物 其中所述反应产物基本上由液体形式的2-MEPy组成，并回收2-MEPy的水溶液。