Basic information about tri (1,1, 3,3, 3-hexafluoro2-propyl) phosphate ester
Chinese name: tri (1,1, 3,3, 3-hexafluoro2-propyl) phosphate ester
Tri (1,1, 3,3, 3-hexafluoro2-propyl) phosphate; Tri (hexafluoroisopropyl) phosphate ester (HFIP); Tri (hexafluoroisopropyl) phosphate
English name: Tris(1,1, 3,3,3-hexafluoroisopropyl) phosphate
Tris(1,1, 3,3,3-hexafluoroisopropyl)phosphate; Tris (1,1,1,3,3,3 - hexafluoro - 2 - propyl) Phosphate. Tris(hexafluoroisopropyl)phosphate; ,1,1,3,3,3 - hexafluoro - 2 - Propanol, 1, 2, 2 ', 2 'Chemicalbook' - phosphate; Tris (1,1,1,3,3,3 - hexafluoroisopropyl) phosphat; PhosphoricAcidTris (1,1,1,3,3,3 - hexafluoro - 2 - propyl) Ester; Phosphoricacid, Tri (1,1,1,3,3,3 - Hexafluoroisopropyl) ester
CAS number: 66489-68-7
Molecular formula: C9H3F18O4P
Molecular weight: 548.06
Related categories: Electronic materials; Chemical industry; Lithium battery additive; Chemical auxiliaries
Mol File: Mol File
Tri (1,1, 3,3, 3-hexafluoro2-propyl) phosphate ester properties
Melting point: 32°C(lit.)
Boiling point: 72°C/12mmHg(lit.)
Density: 1.713±0.06g/cm3(PreChemicalbookdicted)
Solubility: solubleinAcetone
Form: powdertolump
Color: WhitetoYellowtoOrange
Electrolyte and lithium ion battery
Current Patent Assignee: GUOXUAN HIGH-TECH CO., LTD. - CN115579522, 2023, A
Patent Family Members: CN115579522 A; CN115579522 B
Abstract
The invention provides an electrolyte and a lithium ion battery. The electrolyte comprises an organic solvent, LiPF6 and an additive, the additive comprises heptamethyldisilazane and a cyanosilane compound, the cyanosilane compound has the following structural formula, n is any integer from 1 to 6, and n is an integer from 1 to 6. R1, R2 and R3 are respectively and independently selected from any one or more of substituted or non-substituted alkyl of C1-C10, substituted or non-substituted alkoxy of C1-C10, substituted or non-substituted alkynyl of C2-C10, substituted or non-substituted alkylaryl of C6-C12 and (R4) 3SiO <->, and R4 is selected from any one of substituted or non-substituted alkyl of C1-C10. According to the electrolyte, the low-temperature direct-current internal resistance of the lithium ion battery can be reduced, the cycle performance of the lithium ion battery is improved, the growth rate of the direct-current internal resistance in the cycle process is reduced, and the stability and safety of the lithium ion battery are effectively improved on the whole.
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Non-aqueous electrolyte and battery
Current Patent Assignee: NINGBO UNIVERSITY - CN115799628, 2023, A
Patent Family Members: CN115799628 A; WO2023/35399 A1
Abstract
The invention provides a non-aqueous electrolyte. The non-aqueous electrolyte comprises a non-aqueous organic solvent and does not comprise lithium salt. The non-aqueous electrolyte provided by the invention does not contain lithium salt, and at least one of the electrodes of the battery contains a lithium element. In the charging and discharging process, the lithium ions deintercalated in the electrode pass through the non-aqueous electrolyte and serve as conductive ions at the same time, and the normal charging and discharging behavior of the battery is not affected. Meanwhile, the non-aqueous electrolyte provided by the invention can form an effective interface film on the surfaces of a positive electrode and a negative electrode, so that the lithium ion battery prepared from the non-aqueous electrolyte provided by the invention ensures relatively good cycle performance, and meanwhile, the cost of electrolyte configuration, storage, transportation and use can be greatly reduced and simplified, and the environmental safety is improved.
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NONAQUEOUS ELECTROLYTE AND BATTERY
Current Patent Assignee: NINGBO UNIVERSITY - WO2023/35399, 2023, A1
Patent Family Members: CN115799628 A; WO2023/35399 A1
Abstract
The present invention provides a nonaqueous electrolyte, comprising a nonaqueous organic solvent and comprising no lithium salt. The nonaqueous electrolyte provided by the present invention does not contain lithium salt. At least one of electrodes of a battery contains lithium. During the charge and discharge process, lithium ions deintercalated from the electrode pass through the nonaqueous electrolyte and act as conductive ions, which does not affect the normal charge and discharge of the battery. In addition, the nonaqueous electrolyte provided by the present invention can form an effective interface film on the surfaces of positive and negative electrodes, thereby ensuring high cycle performance of a lithium-ion battery prepared by the nonaqueous electrolyte provided by the present invention, while greatly reducing costs in the preparation, storage, transportation, and use of the electrolyte and improving environmental safety.
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