Abstract: A battery is provided. The battery includes a positive electrode, a negative electrode, and a solid electrolyte membrane. The positive electrode includes a positive active layer. The negative electrode includes a negative active layer and a modified layer, wherein the modified layer is disposed on the negative active layer. The modified layer includes a metal fluoride and a lithium-containing compound. The solid electrolyte membrane includes a first porous layer, an electrolyte layer, and a second porous layer, wherein the electrolyte layer is disposed between the first porous layer and the second porous layer.

Abstract: A lithium ion battery is provided, which includes a positive electrode, a negative electrode, and an electrolyte disposed between the positive electrode and the negative electrode. The negative electrode includes a current collector and a ?-phase-based polyvinylidene fluoride (?-PVDF) layer coating on the current collector. The ?-PVDF layer may have a thickness of 1 ?m to 10 ?m.

Abstract: A precursor composition of a gel electrolyte is provided, which includes (1) meta-stable nitrogen-containing polymer, (2) gelling promoter, (3) carbonate compound, and (4) metal salt. The (1) meta-stable nitrogen-containing polymer is formed by reacting (a) nitrogen-containing heterocyclic compound with (b) maleimide compound, wherein (a) nitrogen-containing heterocyclic compound and (b) maleimide compound have a molar ratio of 1:0.1 to 1:10.

Abstract: An electrolyte is provided, which includes (a) 100 parts by weight of oxide-based solid state inorganic electrolyte, (b) 20 to 70 parts by weight of [Li(—OR1)n?OR2]Y, wherein R1 is C1-4 alkylene group, R2 is C1-4 alkyl group, n is 2 to 100, and Y is PF6?, BF4?, AsF6?, SbF6?, ClO4?, AlCl4?, GaCl4?, NO3?, C(SO2CF3)3?, N(SO2CF3)2?, SCN?, CF3CF2SO3?, C6F5SO3?, CF3CO2?, SO3F?, B(C6H5)4?, CF3SO3?, or a combination thereof, (c) 1 to 10 parts by weight of nano oxide, and (d) 1 to 20 parts by weight of binder. The electrolyte can be disposed between a positive electrode and a negative electrode to form a battery.

Abstract: A lithium ion battery is provided, which includes a positive electrode, a negative electrode, and an electrolyte disposed between the positive electrode and the negative electrode. The negative electrode includes a current collector and a ?-phase-based polyvinylidene fluoride (?-PVDF) layer coating on the current collector. The ?-PVDF layer may have a thickness of 1 ?m to 10 ?m.

Abstract: An electrolyte is provided, which includes (a) 100 parts by weight of oxide-based solid state inorganic electrolyte, (b) 20 to 70 parts by weight of [Li(—OR1)n?OR2]Y, wherein R1 is C1-4 alkylene group, R2 is C1-4 alkyl group, n is 2 to 100, and Y is PF6?, BF4?, AsF6?, SbF6?, ClO4?, AlCl4?, GaCl4?, NO3?, C(SO2CF3)3?, N(SO2CF3)2?, SCN?, CF3CF2SO3?, C6F5SO3?, CF3CO2?, SO3F?, B(C6H5)4?, CF3SO3?, or a combination thereof, (c) 1 to 10 parts by weight of nano oxide, and (d) 1 to 20 parts by weight of binder. The electrolyte can be disposed between a positive electrode and a negative electrode to form a battery.

Abstract: nA precursor composition of a gel electrolyte is provided, which includes (1) meta-stable nitrogen-containing polymer, (2) gelling promoter, (3) carbonate compound, and (4) metal salt. The (1) meta-stable nitrogen-containing polymer is formed by reacting (a) nitrogen-containing heterocyclic compound with (b) maleimide compound, wherein (a) nitrogen-containing heterocyclic compound and (b) maleimide compound have a molar ratio of 1:0.1 to 1:10.

Abstract: A polyelectrolyte includes a first segment and a second segment, wherein the structure of the first segment is at least one of formula (1) and formula (2); the structure of the second segment is at least one of formula (3) and formula (4). The polyelectrolyte undergoes microphase separation to form a nanoscale ordered self-assembled microstructure.

Abstract: A polyelectrolyte includes a first segment and a second segment, wherein the structure of the first segment is at least one of formula (1) and formula (2); the structure of the second segment is at least one of formula (3) and formula (4). The polyelectrolyte undergoes microphase separation to form a nanoscale ordered self-assembled microstructure.

Abstract: An energy storage device including an active electrolyte, a first electrode and a second electrode is provided. The active electrolyte contains protons and ion pairs with a redox ability. The first electrode and the second electrode coexist in the active electrolyte and are separated from each other. The first electrode and the second electrode respectively include an active material producing a redox-reaction with the active electrolyte or an active material producing ion adsorption/desorption with the active electrolyte. The active electrolyte receives electrons from the first electrode and/or the second electrode so as to perform a redox-reaction for charge storage.