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Title: All-vanadium sulfate acid redox flow battery system

Patent ·
OSTI ID:1650978
; ; ; ; ;

All-vanadium sulfate redox flow battery systems have a catholyte and an anolyte comprising an aqueous supporting solution including chloride ions and phosphate ions. The aqueous supporting solution stabilizes and increases the solubility of vanadium species in the electrolyte, allowing an increased vanadium concentration over a desired operating temperature range. According to one example, the chloride ions are provided by MgCl2, and the phosphate ions are provided by (NH4)2HPO4.

Research Organization:
Pacific Northwest National Laboratory (PNNL), Richland, WA (United States)
Sponsoring Organization:
USDOE
DOE Contract Number:
AC05-76RL01830
Assignee:
Battelle Memorial Institute (Richland, WA)
Patent Number(s):
10,673,090
Application Number:
14/875,565
OSTI ID:
1650978
Resource Relation:
Patent File Date: 10/05/2015
Country of Publication:
United States
Language:
English

References (34)

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