To provide a binder that has high adhesiveness to a collector, does not cause release in press molding, has high flexibility, and is excellent in binding capability and resistance to an electrolytic solution, and to provide a lithium secondary battery that...

A flame-retardant lithium secondary battery is provided that has better battery performance and higher safety than conventional batteries. The lithium secondary battery uses a positive electrode that includes a positive electrode active material of the gen...

To provide a lithium ion secondary battery capable of completing charge in a short time of 15 minutes or less. A lithium ion secondary battery comprising a cathode comprising a cathode composite layer on a surface of a cathode collector comprising a cathod...

A precursor composition capable to form a solid-state electrolyte having good ion conductivity and high heat-resistance, by simple curing procedure, comprising; (A) a polymerizable ion pair compound represented by formula I, (B) a cross-linker having two o...

The present invention relates to a novel ion-conductive polymeric compound characterized in that at least one boron atom is present in a polymeric structure, to a polymeric electrolyte and to an electric device using the same.

A lithium secondary battery which comprises a negative electrode, a positive electrode, and disposed therebetween a polymer electrolyte comprising an ionically conductive polymer. The polymer electrolyte has a two-layer structure composed of a positive-ele...

A polyether polymer compound has a structure represented by formulae (I-III), and polymerizable and/or non-polymerizable functional groups at each end of the molecular chains. A polyether polymer compound has a structure represented by formulae (I-III), an...

A polymeric electrolyte which is improved in a transport rate of charge carrier ions by containing a boron atom-containing polymeric compound and an electric device using the same are provided. As the boron-containing polymeric compound, any of the followi...

Provided are a polymeric electrolyte or a nonaqueous electrolyte that can improve a transport rate of charge carrier ions by adding a compound having boron atoms in the structure, preferably one or more selected from the group consisting of compounds repre...