摘要:
A nonaqueous electrolyte battery includes: a positive electrode, a negative electrode, and a nonaqueous electrolyte, wherein the positive electrode contains, as a positive electrode active material, a positive electrode material having a surface composition represented by the following formula (I); the nonaqueous electrolyte contains a halogenated carbonate represented by any of the following formulae (1) to (2) and an alkylbenzene represented by the following formula (3); a content of the halogenated carbonate is 0.1% by mass or more and not more than 50% by mass relative to the nonaqueous electrolyte; and a content of the alkylbenzene is 0.1% by mass or more and not more than 5% by mass relative to the nonaqueous electrolyte
摘要:
A nonaqueous electrolyte includes: a nonaqueous solvent containing 0.1% by volume or more and not more than 50% by volume of at least one member selected from the group consisting of a halogen element-containing chain carbonate represented by the following formula (1) and a halogen element-containing cyclic carbonate represented by the following formula (2); and an electrolyte salt containing a compound represented by the following formula (3) in an amount of 0.001 moles/L or more and not more than 0.5 moles/L relative to the nonaqueous solvent
摘要:
A nonaqueous electrolyte battery includes: an electrode group including a positive electrode and a negative electrode; and a nonaqueous electrolyte including an electrolytic solution, the electrode group including an insulating layer, the insulating layer containing a ceramic, the electrolytic solution including an electrolyte salt and an additive, the electrolyte salt including the compound of formula (1), and the additive being at least one of the compounds of formulae (2) to (14), and the compound of formula (1) being contained in 0.001 mol/L to 2.5 mol/L with respect to the electrolytic solution.
摘要:
An electrolyte capable of improving battery characteristics even at high temperatures, a battery including the electrolyte, and a method for manufacturing an electrolyte are provided. The electrolyte contains at least one type of compound represented by the following formula: where R1, R2, R3, and R4 independently represent a hydrogen group, a fluorine group, a methyl group, an ethyl group, or a group in which a fluorine group has substituted for a part of the methyl group or the ethyl group; at least one of R1, R2, R3, and R4 is a group containing fluorine (F); and X, Y, and Z independently represents sulfur (S) or oxygen (O) except the case in which all of X, Y, and Z are oxygen (O), that is, X=Y=Z=O.
摘要翻译:提供即使在高温下能够改善电池特性的电解质,包括电解质的电池,以及电解质的制造方法。 电解质含有至少一种下式表示的化合物:其中R 1,R 2,R 3和R 4独立地表示氢基,氟基,甲基,乙基或氟基 已经代替了甲基或乙基的一部分; R 1,R 2,R 3和R 4中的至少一个是含氟(F)的基团。 除了X,Y和Z全部为氧(O),即X = Y = Z = O以外,X,Y和Z独立地表示硫(S)或氧(O)。
摘要:
A battery includes: a positive electrode; a negative electrode; a nonaqueous electrolyte; and a separator, wherein the nonaqueous electrolyte contains at least one sulfonic anhydride selected from the group consisting of compounds represented by the following chemical formulae (1) to (4) and an aromatic compound represented by the following chemical formula (5).
摘要:
A secondary battery capable of improving the cycle characteristics is provided. The secondary battery includes a cathode, an anode, and an electrolytic solution. The anode has an anode current collector, an anode active material layer that is provided on the anode current collector, and contains an anode active material containing at least one of a simple substance of silicon, an alloy of silicon, a compound of silicon, a simple substance of tin, an alloy of tin, and a compound of tin, and a coat that is provided on the anode active material layer, and contains an ionic polymer containing lithium.
摘要:
A secondary battery capable of improving battery characteristics is provided. The secondary battery includes a cathode 21 containing a cathode active material capable of inserting and extracting an electrode reactant, an anode 22 containing an anode active material capable of inserting and extracting the electrode reactant, and an electrolyte containing a solvent and an electrolyte salt. At least one of the cathode 21, the anode 22, and the electrolyte contains a radical scavenger compound. The radical scavenger compound is a compound in which a group having a radical scavenger function exists as a matrix, to which one or more carboxylic metal bases or one or more sulfonic metal bases are introduced. Chemical stability of the cathode 21, the anode 22, or the electrolyte containing the radical scavenger compound is improved. Thus, at the time of charge and discharge, decomposition reaction of the electrolytic solution is easily inhibited.
摘要:
A nonaqueous electrolyte includes: a nonaqueous solvent containing 0.1% by volume or more and not more than 50% by volume of at least one member selected from the group consisting of a halogen element-containing chain carbonate represented by the following formula (1) and a halogen element-containing cyclic carbonate represented by the following formula (2); and an electrolyte salt containing a compound represented by the following formula (3) in an amount of 0.001 moles/L or more and not more than 0.5 moles/L relative to the nonaqueous solvent
摘要:
A positive electrode includes: a salt represented by the following formula (1) on the surface of an active material contained in a positive electrode active material layer provided on a positive electrode collector, or at least on the surface of the positive electrode active material layer wherein R represents a hydrocarbon group which may have an unsaturated bond, a group obtained by halogenating or hydroxylating this hydrocarbon group, or a hydrogen group; R1 and R2 each independently represents an unsaturated bond, a hydrocarbon group which may have N or O, R1 and R2 may be bonded to each other to form a ring, in which the ring may further contain N or O, or a hydrogen group; Aa− represents an acid anion capable of being bonded to at least any one of R, R1, R2 and the ring; Mx− represents a metal ion capable of forming a salt together with Aa−; and a, b, x and y each represents an integer of 1 or more.