The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 15, 2013
Filed:
Dec. 20, 2006
Takashi Kamo, Toyohashi, JP;
Kyoichi Shukuri, Sagamihara, JP;
Shunji Kuramoto, Sagamihara, JP;
Panasonic EV Energy Co., Ltd., Kosai-shi, JP;
Omega Techno Modeling Co., Ltd., Sagamihara-shi, JP;
Abstract
An electrode plate () for storage batteries is immersed into an aqueous solution () containing phosphoric acid, an ethoxy alcohol, ammonium bifluoride, sulfonic acid and sodium xylenesulfonate, and the aqueous solution () is stirred by a screw stirrer (). The aqueous solution () is kept at about 30° C. by a heater (), and the active material of the electrode () is separated therefrom. The aqueous solution () contains the respective solutes in the following mass ratios: 15-20 parts by mass of the phosphoric acid; 3-7 parts by mass of the ethoxy alcohol; 2-6 parts by mass of the ammonium bifluoride; 4-8 parts by mass of the sulfonic acid; and 1-3 parts by mass of the sodium xylenesulfonate.