The invention relates to silylated cyclic phosphonamides of the general formula (1) in which R
1
represents an unsubstituted or fluoro-substituted alkyl group with 1-20 carbon atoms, R
2
, R
3
each represent an unsubstituted or fluoro-substituted alkyl or alkyl group with 1-20 carbon atoms or a siloxy group with 1-20 silicon atoms, wherein two or three of the groups R
1
, R
2
, R
3
can be connected to each other, R4 represents an unsubstituted or fluoro-substituted alkyl group with 1-20 carbon atoms, and n represents the values 1 or 2. The invention also relates to a method for producing the phosophonamides of the general formula (1), to diamines used during the production of the phosphonamides, to an electrolyte which contains the phosphonamides of the general formula (1), and to a lithium-ion battery which comprises a cathode, an anode, a separator, and the electrolyte.
该发明涉及通式(1)中的
硅烷化环
磷酰胺,其中R1代表未取代或
氟取代的含有1-20个碳原子的烷基基团,R2、R3各自代表未取代或
氟取代的含有1-20个碳原子的烷基或烷基基团,或含有1-20个
硅原子的
硅氧基团,其中R1、R2、R3中的两个或三个基团可以相互连接,R4代表未取代或
氟取代的含有1-20个碳原子的烷基基团,n代表取值为1或2。该发明还涉及一种制备通式(1)中的
磷酰胺的方法,用于制备
磷酰胺的二胺,含有通式(1)中的
磷酰胺的电解质,以及包括阴极、阳极、隔膜和电解质的
锂离子电池。