Abstract:
PURPOSE: Disclosed is a polymer gel electrolyte in which cellulosic polymers with high hygroscopic of an electrolyte is blended in polymer matrix, so as to suppress the leakage of the electrolyte and to increase portability of lithium ions. CONSTITUTION: A polymer gel electrolyte comprises a polymer solution mixed with hygroscopic polymer selected from a vinylidene fluoride// hexafluoro propylene and cellulose based group and electrolyte, in which lithium salt is dissolved in an aprotic solvent as 0.5-1.5M. The lithium salt is selected from a group of lithium salt accommodating lithium hexafluorophosphate (LiPF6), lithium perchlorate(LiClO4), lithium trifluoromethanesulfonate (LiCF3SO3), lithium tetrafluoroborate (LiBF4) or their mixtures.
Abstract translation:目的:公开了一种聚合物凝胶电解质,其中将具有高吸湿性的电解质的纤维素聚合物混合在聚合物基质中,以便抑制电解质的泄漏并增加锂离子的携带性。 构成:聚合物凝胶电解质包含与选自偏氟乙烯/六氟丙烯和纤维素基的吸湿性聚合物和电解质混合的聚合物溶液,其中锂盐溶解在非质子溶剂中为0.5-1.5M。 锂盐选自锂盐锂盐(LiPF 6),高氯酸锂(LiClO 4),三氟甲磺酸锂(LiCF 3 SO 3),四氟硼酸锂(LiBF 4)或它们的混合物。
Abstract:
PURPOSE: A gel polymer electrolyte composition has excellent ion conductivity, workability, and mechanical strength, so that the composition is suitable for an electrolyte for the lithium polymer secondary battery. CONSTITUTION: A gel polymer electrolyte composition comprises: as (A) vinylidene fluoride/ hexafluorinated propylene polymer soluble in 5-35% by weight of an electrolyte; (B) as nitrile sucrose and nitrile cellulose for improving ion conduction of gel electrolyte and hygroscopic property of 3-20% by weight of an electrolyte; (C) monomers, having affinity with 5-30% by weight of electrolyte, forming polymers after terminating film curing; and (D) an electrolyte wherein lithium salt is dissolved in 55-85% by weight of an aprotic solvent.
Abstract:
The present invention relates to a biodegradable gel polymer electrolyte composition and a manufacturing method thereof and, more particularly, to a biodegradable gel polymer electrolyte composition comprising: a polymer matrix composed of a poly(ethylene oxide)-based monomer and a biodegradable polymer, a photoinitiator, and an electrolyte composed of lithium salt and an organic solvent; and a manufacturing method thereof. The electrolyte composition according to the present invention can be manufactured rapidly by only ultraviolet irradiation without using a separate chemical while having excellent mechanical properties and electrochemical properties, and is an eco-friendly electrolyte that can be decomposed naturally upon disuse.