HIGHLY SOLUBLE TRIPHENYLAMINE-BASED CATHOLYTE AND ELECTROCHEMICAL CURRENT SOURCE BASED ON IT Russian patent published in 2021 - IPC C07C211/54 H01M6/16 H01M10/566 

FIELD: electrochemistry.

SUBSTANCE: invention relates to the use of a triphenylamine derivative of the general formula F1 as a soluble cathode material in the composition of a catholite for an electrochemical current source. In formula F1, the substituent R is selected independently and is a halogen atom -F,- Cl or -Br; a nitrile group -CN; a hydrocarbon radical -CnH2n+1, where n=1-20; an ether residue -O-СпН2п+1, where n=1-20; an ether substituent based on oligoethylene glycol -O(CH2CH2O)nH, where n=1-10; an ether substituent based on oligoethylene glycol -O(CH2CH2O)nCH3, where n=1-10; or an ether substituent based on oligoethylene glycol -O(CH2CH2O)nCmH2m+1, where n=1-10, m=1-12; the substituent R1 is selected independently and is a) a fragment of substituted diphenylamine

,

in which the substituents R3 and R4 are selected independently and represent a halogen atom -F, -Cl or -Br; a hydrocarbon radical -CnH2n+1, where n=1-20; an ether residue -О-CnH2n+1, where n=1-20; an ether substituent based on oligoethylene glycol -O(CH2CH2O)nH, where n=1-10; an ether substituent based on oligoethylene glycol -O(CH2CH2O)nCH3, where n=1-10; an ether substituent based on oligoethylene glycol-O(CH2CH2O)nCmH2m+1, where n=1-10, m=1-12; b) one of the following substituents: a halogen atom -F, -Cl or -Br; a nitrile group -CN; a hydrocarbon radical -CnH2n+1, where n=1-20; the ether residue is -О-CnH2n+1, where n=1-20; the ether substituent based on oligoethylene glycol is O(CH2CH2O)nH, where n=1-10; the ether substituent based on oligoethylene glycol is O(CH2CH2O)nCH3, where n=1-10; the ether substituent based on oligoethylene glycol is O(CH2CH2O)nCmH2m+1, where n=1-10, m=1-12; the R2 substituent is selected independently and is: a) a fragment of substituted diphenylamine

,

in which the substituents R5 and R6 are selected independently and represent a halogen atom -F, -Cl or-Br; a hydrocarbon radical -CnH2n+1, where n=1-20; an ether residue -О-CnH2n+1, where n=1-20; an ether substituent based on oligoethylene glycol -O(CH2CH2O)nH, where n=1-10; an ether substituent based on oligoethylene glycol -O(CH2CH2O)nCH3, where n=1-10; ether substituent based on oligoethylene glycol -O(CH2CH2O)nCmH2m+1, where n=1-10, m=1-12; b) one of the following substituents: hydrocarbon radical -CnH2n+1, where n=1-20; ether residue -O-CnH2n+1, where n=1-20; the ether substituent based on oligoethylene glycol is -O(CH2CH2O)nH, where n=1-10; the ether substituent based on oligoethylene glycol is -O(CH2CH2O)nCH3, where n=1-10; the ether substituent based on oligoethylene glycol is -O(CH2CH2O)nCmH2m+1, where n=1-10, m=1-12.

EFFECT: improvement of the properties of electrochemical current sources and their stability during charge-discharge cycling.

8 cl, 38 dwg, 7 ex