| US 7,576,971 B2 | ||
| Asymmetric electrochemical supercapacitor and method of manufacture thereof | ||
| Stephen M. Lipka, Nicholasville, Ky. (US); John R. Miller, Shaker Heights, Ohio (US); Tongsan D. Xiao, Willington, Conn. (US); and Jinxiang Dai, Storrs, Conn. (US) | ||
| Assigned to U.S. Nanocorp, Inc., Farmington, Conn. (US) | ||
| Filed on Feb. 27, 2007, as Appl. No. 11/711,376. | ||
| Application 11/711376 is a continuation in part of application No. 09/590496, filed on Jun. 09, 2000, granted, now 7,199,997. | ||
| Prior Publication US 2008/0158778 A1, Jul. 03, 2008 | ||
| This patent is subject to a terminal disclaimer. | ||
| Int. Cl. H01G 9/00 (2006.01) | ||
| U.S. Cl. 361—502 [361/503; 361/504; 361/508; 361/512; 361/516] | 36 Claims |
| 1. An asymmetric supercapacitor comprising:
a positive electrode comprising a current collector and a first active material selected from the group consisting of manganese
dioxide, silver oxide, iron sulfide, lithium manganese oxide, lithium cobalt oxide, lithium nickel oxide, lithium iron phosphate,
and a combination comprising at least one of the foregoing active materials;
a negative electrode comprising a carbonaceous active material;
an aqueous electrolyte solution selected from the group consisting of aqueous solutions of hydroxides of alkali metals, aqueous
solutions of carbonates of alkali metals, aqueous solutions of chlorides of alkali metals, aqueous solutions of sulfates of
alkali metals, aqueous solutions of nitrates of alkali metals, and a combination comprising at least one of the foregoing
aqueous solutions; and
a separator plate.
|