Conductive polyamine-based electrolyte
AssigneeBoard of Reagents of the University of Oklahoma
InventorsRoger E. Frech, Daniel T. Glatzhofer
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Abstract
The present invention is directed to a polymer electrolyte comprising amine groups dispersed throughout the polymer backbone, including various poly(ethylenimine)-based polymers, which enable ionic movement for use in various applications, including for example batteries, fuel cells, sensors, supercapacitors and electrochromic devices. The present invention is further directed to a method for preparing such polymer electrolytes.
Claims73
A covalently cross-linked polymer electrolyte, the polymer electrolyte comprising amine groups in the polymer backbone and a dissolved or dispersed metal salt therein.
A covalently cross-linked polymer electrolyte, the polymer electrolyte comprising amine groups in the polymer backbone and one or more solvent moieties bound thereto.
A covalently cross-linked polymer electrolyte, the polymer electrolyte comprising amine groups in the polymer backbone and labile protons therein.
A fuel cell comprising:
- a proton-conducting, covalently cross-linked polymer electrolyte membrane, the polymer comprising amine groups in the polymer backbone and labile protons;
- an anode in contact with a first side of the membrane;
- and,
- a cathode in contact with a second side of the membrane, which is opposite said first side.
A battery comprising a negative electrode, a positive electrode, and an ionically conductive polymer electrolyte disposed there between and in contact therewith, wherein said polymer electrolyte is covalently cross-linked and comprises amine groups in the polymer backbone and a metal salt.
A gradient battery comprising a continuous, covalently cross-linked poly(amine) film, the polymer film comprising metal ions, a negative electrode region, a positive electrode region, and an electrolyte region dispose there between which, during charge or discharge of the battery, enable the passage of metal ions or protons from one electrode to the other.
A covalently cross-linked polymer single ion electrolyte, the polymer electrolyte comprising amine groups in the polymer backbone and an ion pair, one member of the pair being covalently attached to the polymer backbone and the other being capable of diffusing through the polymer electrolyte upon the application of an electric field.
An electrolytic cell comprising:
- an anode,
- a cathode, and
- a covalently cross-linked polymer single ion electrolyte, the polymer electrolyte comprising amine groups in the polymer backbone and an ion pair, one member of the pair being covalently attached to the polymer backbone and the other being capable of diffusing through the polymer electrolyte upon the application of an electric field.
Dependencies are inferred from the claim text.