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Patent
Publication NumberUS 10547078Filing StatusIssued PatentAvailabilityUnknownFiling Date2018-11-01Publication Date2020-01-28
This invention is directed to aqueous redox flow batteries comprising ionically charged redox active materials at least one of which is a sulfonated catechol.
Patent
Publication NumberUS 10253051Filing StatusIssued PatentAvailabilityUnknownFiling Date2016-03-15Publication Date2019-04-09
Titanium coordination complexes, particularly titanium catecholate complexes, can be attractive active materials for use in flow batteries. However, such coordination complexes can be difficult to prepare from inexpensive starting materials, particularly in aqueous solutions. Titanium oxychloride and titanium tetrachloride represent relatively inexpensive titanium sources that can be used for preparing such coordination complexes. Methods for preparing titanium catecholate complexes can inclu…
Patent
Publication NumberCN 104995767 BFiling StatusIssued PatentAvailabilityUnknownFiling Date2013-07-23Publication Date2018-11-16
本发明涉及含水氧化还原液流电池,其包含氧化还原活性金属配体配位化合物。本文描述的化合物和构造使得液流电池能具有与本领域先前已知的相比呈现显著改善的性能和成本参数。
Patent
Publication NumberUS 10014546Filing StatusIssued PatentAvailabilityUnknownFiling Date2016-05-27Publication Date2018-07-03
This invention is directed to aqueous redox flow batteries comprising redox-active metal ligand coordination compounds. The compounds and configurations described herein enable flow batteries with performance and cost parameters that represent a significant improvement over that previous known in the art.
Patent
Publication NumberUS 9991544Filing StatusIssued PatentAvailabilityUnknownFiling Date2016-05-27Publication Date2018-06-05
This invention is directed to aqueous redox flow batteries comprising redox-active metal ligand coordination compounds. The compounds and configurations described herein enable flow batteries with performance and cost parameters that represent a significant improvement over that previous known in the art.
Patent
Publication NumberUS 9929425Filing StatusIssued PatentAvailabilityUnknownFiling Date2013-05-06Publication Date2018-03-27
Stable solutions comprising high concentrations of charged coordination complexes, including iron hexacyanides are described, as are methods of preparing and using same in chemical energy storage systems, including flow battery systems. The use of these compositions allows energy storage densities at levels unavailable by other iron hexacyanide systems.
Patent
Publication NumberCN 107732272 AFiling StatusPatent ApplicationAvailabilityUnknownFiling Date2013-07-24Publication Date2018-02-23
This invention is directed to aqueous redox flow batteries comprising ionically charged redox active materials and ionomer membranes, wherein the charge of the redox active materials is of the same sign as that of the ionomer, so as to confer specific improvements.
Patent
Publication NumberUS 9899694Filing StatusIssued PatentAvailabilityUnknownFiling Date2013-07-24Publication Date2018-02-20
The invention concerns flow batteries comprising: a first aqueous electrolyte comprising a first redox active material; a second aqueous electrolyte comprising a second redox active material; a first electrode in contact with the first aqueous electrolyte; a second electrode in contact with the second aqueous electrolyte and a separator disposed between the first aqueous electrolyte and the second aqueous electrolyte; the flow battery having an open circuit potential of at least 1.4 V, and is…
Patent
Publication NumberCN 104854731 BFiling StatusIssued PatentAvailabilityUnknownFiling Date2013-07-24Publication Date2018-02-06
本发明涉及液流电池,其包含:包含第氧化还原活性物质的第含水电解质;包含第二氧化还原活性物质的第二含水电解质;与第含水电解质接触的第电极;与第二含水电解质接触的第二电极;和布置于第含水电解质和第二含水电解质之间的隔离物;所述液流电池具有至少1.4V的开路电压,且能够在至少约50mA/cm的电流密度下操作或在所述条件下操作,其中第和第二氧化还原活性物质两者在充电和放电两种状态下保持可溶。在某些实施方案中,氧化还原活性物质为金属配体配位化合物。本公开还描述了包含这些液流电池的系统和它们的方法。
Patent
Publication NumberUS 9865893Filing StatusIssued PatentAvailabilityUnknownFiling Date2013-07-24Publication Date2018-01-09
This invention is directed to aqueous redox flow batteries comprising ionically charged redox active materials and separators, wherein the separator is about 100 microns or less and the flow battery is capable of (a) operating with a current efficiency of at least 85% with a current density of at least about 100 mA/cm2; (b) operating with a round trip voltage efficiency of at least 60% with a current density of at least about 100 mA/cm2; and/or (c) giving rise to diffusion rates through the s…
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