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:
Nov. 13, 2012
Filed:
Jan. 09, 2009
Yasuhide Kurimoto, Toyota, JP;
Hitoshi Sakai, Nagoya, JP;
Takashi Kuzuya, Nagoya, JP;
Masakazu Yokomizo, Ushiku, JP;
Yasuhide Kurimoto, Toyota, JP;
Hitoshi Sakai, Nagoya, JP;
Takashi Kuzuya, Nagoya, JP;
Masakazu Yokomizo, Ushiku, JP;
Toyota Jidosha Kabushiki Kaisha, Toyota-shi, Aichi-ken, JP;
Abstract
Provided is a lithium ion secondary cell charge method including: a step Swhich judges whether a physical amount value corresponding to an accumulation amount of a lithium ion secondary cell is lowered to a first predetermined value; a step Swhich judges whether a hybrid vehicle is in a travel stop state; and charge steps Sto SA which divide a charge period K into two or more divided charge periods KC, KCand a non-charge period KR between the divided charge periods, so that charge is performed during the divided charge periods KC, KCwhile the hybrid vehicle is in the travel stop state and charge stop or discharge is performed during the non-charge period KR, wherein each of the divided charge periods KC, KCis not shorter than 40 seconds.