42 results about "Monofluorophosphate" patented technology

An object is to provide a nonaqueous electrolyte and a nonaqueous-electrolyte secondary battery which have excellent discharge load characteristics and are excellent in high-temperature storability, cycle characteristics, high capacity, continuous-charge characteristics, storability, gas evolution inhibition during continuous charge, high-current-density charge / discharge characteristics, discharge load characteristics, etc. The object has been accomplished with a nonaqueous electrolyte which comprises: a monofluorophosphate and / or a difluorophosphate; and further a compound having a specific chemical structure or specific properties.

The objective of the present invention is to provide: a nonaqueous electrolyte solution which is capable of exhibiting high output characteristics at low temperatures even when a battery has been usedto a certain extent, while exhibiting good high-rate characteristics at normal temperature, and which is also capable of similarly exhibiting a sufficient performance at low temperatures even after storage at high temperatures; and a nonaqueous electrolyte battery. A nonaqueous electrolyte solution for nonaqueous electrolyte batteries according to the present invention contains a nonaqueous solvent, an electrolyte which is dissolved in the nonaqueous solvent, (I) a difluoro ionic complex (1) represented by general formula (1), and (II) at least one compound selected from the group consistingof difluorophosphate salts, monofluorophosphate salts, salts having a specific imide anion, and specific silane compounds; and 95% by mole or more of the difluoro ionic complex (1) is a difluoro ioniccomplex (1-Cis) having a cis-type steric conformation represented by general formula (1-Cis).

The present invention relates to a single phase oral care composition comprising: a. a stannous salt b. a potassium salt c. a chelant d. monofluorophosphate (MFP). The composition of the invention has been found to allow prolonged contact between stannous ion and nitrate ion in a single dentifrice without toxic effects or insoluble products. The invention further provides for the maintenance of an efficacious fluoride ion level.

The present invention addresses the problem of providing: a nonaqueous electrolytic solution and a nonaqueous electrolytic secondary battery using the nonaqueous electrolytic solution. The non-aqueouselectrolytic solution has excellent cycle characteristics such as post-cycle capacity retention ratio, post-cycle output, post-cycle discharge capacity, cycle discharge capacity ratio, and the like,and cycle characteristics such as output characteristics, high-temperature storage characteristics, low-temperature discharge characteristics, high-current discharge characteristics, high-temperaturestorage characteristics, safety, high capacity, high output, and high current density. The above-described problems are solved by using the nonaqueous electrolytic solution that contains a monofluorophosphate and / or a difluorophosphate and that contains a compound having a specific chemical structure or specific physical properties.

A subject is to provide a nonaqueous electrolyte excellent in cycle performances such as capacity retention after cycling, output after cycling, discharge capacity after cycling, and cycle discharge capacity ratio, output characteristics, high-temperature storability, low-temperature discharge characteristics, heavy-current discharge characteristics, high-temperature storability, safety, high capacity, high output, high-current-density cycle performances, compatibility of these performances, etc. Another subject is to provide a nonaqueous-electrolyte secondary battery employing the nonaqueous electrolyte. The subjects have been accomplished with a nonaqueous electrolyte which contains a monofluorophosphate and / or a difluorophosphate and further contains a compound having a specific chemical structure or specific properties.

To provide a flame retardant non-aqueous electrolyte solution for secondary batteries, with which a lithium ion secondary battery which is less likely to undergo thermal runaway and which is excellent in the high temperature storage properties can be obtained; and a lithium ion secondary battery using the non-aqueous electrolyte solution for secondary batteries.A non-aqueous electrolyte solution for secondary batteries, comprising an electrolyte salt and a liquid composition,which contains either one or both of monofluorophosphate anions and difluorophosphate anions derived from at least part of the electrolyte salt,wherein at least a lithium salt is contained as one type of the electrolyte salt, andthe liquid composition comprises at least one fluorine-containing solvent (α) selected from the group consisting of a fluorine-containing ether compound, a fluorine-containing chain carboxylic acid ester compound and a fluorine-containing chain carbonate compound, and a cyclic carboxylic acid ester compound. A lithium ion secondary battery using the non-aqueous electrolyte solution for secondary batteries.