Redox flow batteries having multiple electroactive elements

Title: Redox flow batteries having multiple electroactive elements

Introducing multiple redox reactions with a suitable voltage range can improve the energy density of redox flow battery (RFB) systems. One example includes RFB systems utilizing multiple redox pairs in the positive half cell, the negative half cell, or in both. Such RFB systems can have a negative electrolyte, a positive electrolyte, and a membrane between the negative electrolyte and the positive electrolyte, in which at least two electrochemically active elements exist in the negative electrolyte, the positive electrolyte, or both.

Inventors:: Wang, Wei; Li, Liyu; Yang, Zhenguo; Nie, Zimin

Issue Date:: 2018-05-01

OSTI Identifier:: 1437259

Assignee:: Battelle Memorial Institute (Richland, WA) PNNL

Patent Number(s):: 9,960,443

Application Number:: 13/246,444

Contract Number:: AC05-76RL01830

Resource Relation:: Patent File Date: 2011 Sep 27

Research Org:: Pacific Northwest National Lab. (PNNL), Richland, WA (United States)

Sponsoring Org:: USDOE

Country of Publication:: United States

Language:: English

Subject:: 37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY; 25 ENERGY STORAGE

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