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:
Feb. 28, 2023
Filed:
Nov. 13, 2020
Battelle Memorial Institute, Richland, WA (US);
Wei Wang, Kennewick, WA (US);
Ruozhu Feng, Richland, WA (US);
Xin Zhang, Richland, WA (US);
Aaron M. Hollas, Pasco, WA (US);
Vijay Murugesan, Richland, WA (US);
Nadeesha P. Nambukara Wellala, Richland, WA (US);
Yuyan Shao, Richland, WA (US);
Zimin Nie, Richland, WA (US);
Battelle Memorial Institute, Richland, WA (US);
Abstract
Aqueous electrolytes comprising fluorenone/fluorenol derivatives are disclosed. The electrolyte may be an anolyte for an aqueous redox flow battery. In some embodiments, the compound, or salt thereof, has a structure according to any one of formulas I-III where Q-Qindependently are CH, C(R) or N, wherein 0, 1, or 2 of Q-Qare N; Q-Qindependently are CH, C(R), or N, wherein 0, 1, or 2 of Q-Qare N; Y is C═O or C(H)OH; Rand Rindependently are an electron withdrawing group; n is an integer >1; and x and y independently are 0, 1, 2, 3, or 4, where at least one of x and y is not 0.