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:
Aug. 02, 2005
Filed:
Feb. 01, 2002
T. Richard Jow, Potomac, MD (US);
Kang Xu, Gaithersburg, MD (US);
Shengshui Zhang, Olney, MD (US);
Michael S. Ding, Gaithersburg, MD (US);
T. Richard Jow, Potomac, MD (US);
Kang Xu, Gaithersburg, MD (US);
Shengshui Zhang, Olney, MD (US);
Michael S. Ding, Gaithersburg, MD (US);
The United States of America as represented by the Secretary of Army, Washington, DC (US);
Abstract
A non-aqueous electrolyte to be used in a Li-ion battery includes a lithium salt, a cyclic carbonate, a linear carbonate and an alkyl fluorinated phosphate, of the following general formulawherein R, Rand R, independently, are selected from the group consisting of straight and branched alkyl groups having 1-5 carbon atoms, and at least one of said alkyl groups is fluorinated, with the locations of said fluorination being at least β-positioned away from the phosphorous of said phosphate, such that said alkyl phosphate has a F/H ratio of at least 0.25, and said electrolyte solution is non-flammable.