Patent classifications
C07F9/659
Lithium ion battery and electrolyte thereof
The present invention provides a lithium ion battery and an electrolyte thereof. The electrolyte for the lithium ion battery includes a non-aqueous organic solvent, a lithium salt and additives, wherein the additives include additive A cyclophosphazene compound, additive B lithium fluorophosphate compound, and additive C selected from at least one of silane phosphate compound, silane phosphite compound and silane borate compound. Compared with conventional technologies, the nickel-rich positive electrode lithium ion battery using the electrolyte of the present invention has a desirable cyclic capacity retention rate, a desirable storage capacity retention rate and a low gas production at high temperature, and has a low DC internal resistance at low temperature, which can remarkably improve the thermal stability of lithium ion battery.
Lithium ion battery and electrolyte thereof
The present invention provides a lithium ion battery and an electrolyte thereof. The electrolyte for the lithium ion battery includes a non-aqueous organic solvent, a lithium salt and additives, wherein the additives include additive A cyclophosphazene compound, additive B lithium fluorophosphate compound, and additive C selected from at least one of silane phosphate compound, silane phosphite compound and silane borate compound. Compared with conventional technologies, the nickel-rich positive electrode lithium ion battery using the electrolyte of the present invention has a desirable cyclic capacity retention rate, a desirable storage capacity retention rate and a low gas production at high temperature, and has a low DC internal resistance at low temperature, which can remarkably improve the thermal stability of lithium ion battery.
All-inorganic solvents for electrolytes
An all-inorganic electrolyte formulation for use in a lithium ion battery system comprising at least one of each a phosphoranimine, a phosphazene, a monomeric organophosphate and a supporting lithium salt. The electrolyte preferably has a melting point below 0 C., and a vapor pressure of combustible components at 60.6 C. sufficiently low to not produce a combustible mixture in air, e.g., less than 40 mmHg at 30 C. A solid electrolyte interface layer formed by the electrolyte with an electrode is preferably thermally stable 80 C.
All-inorganic solvents for electrolytes
An all-inorganic electrolyte formulation for use in a lithium ion battery system comprising at least one of each a phosphoranimine, a phosphazene, a monomeric organophosphate and a supporting lithium salt. The electrolyte preferably has a melting point below 0 C., and a vapor pressure of combustible components at 60.6 C. sufficiently low to not produce a combustible mixture in air, e.g., less than 40 mmHg at 30 C. A solid electrolyte interface layer formed by the electrolyte with an electrode is preferably thermally stable 80 C.
Macrocyclic ligands and their complexes for bifunctional molecular catalysis
Disclosed herein are embodiments of chiral and achiral macrocyclic polydentate ligands and methods of preparing the same. Disclosed herein are also embodiments of metal coordination complexes derived from these macrocyclic polydentate ligands and methods of preparing the same. The metal coordination complexes described herein, can be used for a variety of catalytic reactions, including hydrogenation and transfer hydrogenation of unsaturated organic compounds, dehydrogenation of alcohols and boranes, an asymmetric Michael-type addition reaction, or an aerobic oxidative kinetic resolution of an organic compound, dehydrogenative couplings and other catalytic transformations.
Macrocyclic ligands and their complexes for bifunctional molecular catalysis
Disclosed herein are embodiments of chiral and achiral macrocyclic polydentate ligands and methods of preparing the same. Disclosed herein are also embodiments of metal coordination complexes derived from these macrocyclic polydentate ligands and methods of preparing the same. The metal coordination complexes described herein, can be used for a variety of catalytic reactions, including hydrogenation and transfer hydrogenation of unsaturated organic compounds, dehydrogenation of alcohols and boranes, an asymmetric Michael-type addition reaction, or an aerobic oxidative kinetic resolution of an organic compound, dehydrogenative couplings and other catalytic transformations.
Siloxane-modified cyclotriphosphazene halogen-free flame retardant, preparation process and use thereof
The present invention provides a siloxane-modified cyclotriphosphazene halogen-free flame retardant, and a preparation method and a use thereof. The siloxane-modified cyclotriphosphazene halogen-free flame retardant has the structural formula as shown in Formula I. In the siloxane-modified cyclotriphosphazene halogen-free flame retardant of the present invention, three kinds of structures of siloxane, aryl phosphorus oxygen compound and cyclotriphosphazene are built in one molecular formula, which combines the advantages of three structures, improves the compatibility between the flame retardant and resins, has a high flame retardant efficiency and a better char formation and can greatly increase the flame retardancy and stability of resin cured products.
Siloxane-modified cyclotriphosphazene halogen-free flame retardant, preparation process and use thereof
The present invention provides a siloxane-modified cyclotriphosphazene halogen-free flame retardant, and a preparation method and a use thereof. The siloxane-modified cyclotriphosphazene halogen-free flame retardant has the structural formula as shown in Formula I. In the siloxane-modified cyclotriphosphazene halogen-free flame retardant of the present invention, three kinds of structures of siloxane, aryl phosphorus oxygen compound and cyclotriphosphazene are built in one molecular formula, which combines the advantages of three structures, improves the compatibility between the flame retardant and resins, has a high flame retardant efficiency and a better char formation and can greatly increase the flame retardancy and stability of resin cured products.
Phosphazene compound, and a composition, a prepreg and a wiring board comprising the same
The present invention relates to a phosphazene compound and a composite metal laminate. The phosphazene compound with a partial structure of carboxylic esters has a structure as shown in Formula (I). The present invention obtains a phosphazene compound with a partial structure of carboxylic esters using an M group having specific components. The cured products of the phosphazene compound have good flame retardancy, heat resistance, mechanical properties, flame retardancy, and low dielectric constant, and are a low dielectric flame retardant material having great economic properties and being environmental friendly.
Phosphazene compound, and a composition, a prepreg and a wiring board comprising the same
The present invention relates to a phosphazene compound and a composite metal laminate. The phosphazene compound with a partial structure of carboxylic esters has a structure as shown in Formula (I). The present invention obtains a phosphazene compound with a partial structure of carboxylic esters using an M group having specific components. The cured products of the phosphazene compound have good flame retardancy, heat resistance, mechanical properties, flame retardancy, and low dielectric constant, and are a low dielectric flame retardant material having great economic properties and being environmental friendly.