Patent ID: 7879475
Filing Date: 2011-02-01
Classification: H01B,H01M,Y02E,Y02P

Abstract:
1. A solid polymer electrolyte, comprising: a perfluorinated electrolyte having cation exchange groups, and metal ions partially replacing protons of the cation exchange groups, wherein the solid polymer electrolyte has an ion exchange rate with the metal ions of 0.01 to 60%, as represented by Formula (1) below: wherein the metal ion is at least one metal ion selected from the group consisting of vanadium (V), niobium (Nb), tantalum (Ta), chromium (Cr), molybdenum (Mo), tungsten (W), iron (Fe), ruthenium (Ru), nickel (Ni), palladium (Pd), platinum (Pt), neodymium (Nd), praseodymium (Pr), samarium (Sm), cobalt (Co), gadolinium (Gd), terbium (Tb), dysprosium (Dy), holmium (Ho), and erbium (Er) ions.