摘要:
A non-aqueous electrolyte battery includes a positive electrode having a positive electrode active material layer provided on a positive electrode collector, a negative electrode and a non-aqueous electrolyte, wherein the positive electrode active material layer contains a polyvinylidene fluoride-containing binder and a nano ceramic particle having a primary particle size of not more than 100 nm; and the binder and the nano ceramic particle are complexed.
摘要:
A battery that has a higher capacity and superior charge and discharge efficiency is provided. The battery includes a cathode, an anode, and an electrolyte. The anode has an anode active material layer provided on an anode current collector, and the anode active material layer contains a spherocrystal graphitized substance of mesophase spherule provided with a fine pore as an anode active material.
摘要:
A battery including a positive electrode, a negative electrode and an electrolytic solution, wherein the negative electrode has a negative electrode active material layer containing a carbon material and a binder and having a thickness per one face of 70 μm or more and not more than 120 μm; and the binder contains a copolymer A which is obtained by copolymerizing 100 parts by weight of polyvinylidene fluoride (PVDF) and from 0 to 4 parts by weight of hexafluoropropylene (HFP) and a copolymer B which is obtained by copolymerizing 100 parts by weight of polyvinylidene fluoride and from 5 to 12 parts by weight of hexafluoropropylene in a mass content ratio of A/B of from 60/40 to 90/10.
摘要:
A battery is provided. The battery includes an electrolytic solution, a positive electrode and a negative electrode. The negative electrode has a negative electrode active material layer containing a carbon material and having a thickness per one face of 70 μm or more and not more than 120 μm. The electrolytic solution contains a solvent containing 15% by mass or more and not more than 30% by mass of a cyclic carbonate represented by the following formula (1): wherein R1 to R4 each independently represents hydrogen, a halogen, an alkyl group or a halogenated alkyl group. A mass content ratio (B/A) of a halogenated cyclic carbonate (B % by mass) contained in the cyclic carbonate (A % by mass) which is represented by the formula (1) being from 0.5 to 1.0