Purifier for removing hydrogen fluoride from electrolytic solution
US9023204B2 · kind B2 · utility
1Cited by
4References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 16, 2010 |
| Grant date | May 5, 2015 |
| Priority date | — |
| Expiry date | Oct 24, 2031 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S210/915
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
The present invention is a purification system for removing hydrogen fluoride and water from an electrolytic solution for lithium-ion secondary batteries in which [1] a purifier for removing hydrogen fluoride containing a hydrogen fluoride adsorbent selected from among carbonate hydrotalcites and calcined hydrotalcites and [2] a purifier for removing water containing an adsorbent for trapping water are connected in this order from upstream to downstream.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.