Potential Modulated Intercalation of Alkali Cations into Metal Hexacyanoferrate Coated Electrodes | Zendy

Daniel T. Schwartz | Zendy; Bekki Liu | Zendy; Marlina Lukman | Zendy; Kavita M. Jeerage | Zendy; William A. Steen | Zendy; Haixia Dai | Zendy; Qiuming Yu | Zendy; J. Antonio Medina | Zendy

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Potential Modulated Intercalation of Alkali Cations into Metal Hexacyanoferrate Coated Electrodes

Author(s) -

Daniel T. Schwartz,

Bekki Liu,

Marlina Lukman,

Kavita M. Jeerage,

William A. Steen,

Haixia Dai,

Qiuming Yu,

J. Antonio Medina

Publication year - 2002

Publication title -

osti oai (u.s. department of energy office of scientific and technical information)

Language(s) - English

Resource type - Reports

DOI - 10.2172/792792

Subject(s) - intercalation (chemistry) , alkali metal , nickel , caesium , ion exchange , inorganic chemistry , chemistry , selectivity , electrode , metal , ion , catalysis , organic chemistry

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 hexacyanoferrrate (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 alkalization intercalation and deintercalation in nickel hexacyanoferrate compounds, with the goal of (1) quantifying the ion exchange selectivity properties from cation mixtures, (2) enhancing ion exchange capacities, and (3) and understanding the electrochemically-switched ion exchange process (ESIX)

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