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Electrolyte synthesis for ultracapacitors
US8961809B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-8961809-B2 |
| Application number | US-201313842898-A |
| Country | US |
| Kind code | B2 |
| Filing date | Mar 15, 2013 |
| Priority date | Jan 21, 2011 |
| Publication date | Feb 24, 2015 |
| Grant date | Feb 24, 2015 |
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Abstract
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A method of forming an electrolyte solution involves combining ammonium tetrafluoroborate and spiro-bi-pyrrolidinium bromide in a liquid solvent to form spiro-bi-pyrrolidinium tetrafluoroborate and an ammonium halide. The ammonium halide precipitate is removed from the solvent to form an electrolyte solution. The reactants can be added step-wise to the solvent, and the method can include using a stoichiometric excess of the ammonium tetrafluoroborate to form a substantially halide ion-free electrolyte solution.
First claim
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What is claimed is: 1. A method of forming an electrolyte solution comprising: combining ammonium tetrafluoroborate and spiro-bi-pyrrolidinium bromide in a liquid solvent to form spiro-bi-pyrrolidinium tetrafluoroborate and ammonium bromide; and removing the ammonium bromide from the solvent to form an electrolyte solution comprising spiro-bi-pyrrolidinium tetrafluoroborate. 2. The method according to claim 1 , wherein a molar ratio of ammonium tetrafluoro…
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Electricity · mapped topic
Electricity · mapped topic
- C07D471/10Primary
Chemistry & Metallurgy · mapped topic
Cross-Sectional Technologies · mapped topic
Cross-Sectional Technologies · mapped topic
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- What does patent US8961809B2 cover?
- A method of forming an electrolyte solution involves combining ammonium tetrafluoroborate and spiro-bi-pyrrolidinium bromide in a liquid solvent to form spiro-bi-pyrrolidinium tetrafluoroborate and an ammonium halide. The ammonium halide precipitate is removed from the solvent to form an electrolyte solution. The reactants can be added step-wise to the solvent, and the method can include using …
- Who is the assignee on this patent?
- Corning Inc
- What technology area does this patent fall under?
- Primary CPC classification C07D471/10. Mapped technology areas include Chemistry & Metallurgy.
- When was this patent published?
- Publication date Tue Feb 24 2015 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).