Potential Modulated Intercalation Of Alkali Cations Into Metal Hexacyanoferrate Coated Electrodes | |
Schwartz, Daniel T. | |
University of Washington | |
关键词: Mixtures; Hydroxides; Electrodes; 37 Inorganic, Organic, Physical And Analytical Chemistry; Clathrates; | |
DOI : 10.2172/828574 RP-ID : EMSP-60123--2001 RP-ID : FG07-97ER14819 RP-ID : 828574 |
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美国|英语 | |
来源: UNT Digital Library | |
【 摘 要 】
Nickel hexacyanoferrate is a polynuclear inorganic ion intercalation material that loads (intercalates) and elutes (deintercalates) alkali cations from its structure when electrochemically reduced and oxidized, respectively. Nickel hexacyanoferrate (NiHCF) is known to preferentially intercalate cesium over all other alkali cations, thus providing a basis for a separation scheme that can tackle DOE's radiocesium contamination problem. This program studied fundamental issues in alkali cation intercalation and deintercalation in nickel hexacyanoferrate compounds, with the goal of (1) quantifying the ion exchange selectivity properties for cation mixtures, (2) enhancing ion exchange capacities, and (3) and understanding the electrochemically-switched ion exchange process (ESIX).
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