Archives October 2011

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SummaryA device for electrically controlled transport of ions between a source (2) and a target (4) electrolyte, comprising a source electrode (1) and a target electrode (3). The electrodes are each capable of conducting electrons and ions, and the source electrode (1) is arranged to receive ions from the source electrolyte (2) and the target electrode (3) is arranged to release ions to the target electrolyte (4).

The device further comprises an ion-conductive channel (5), arranged to receive ions from the source electrode (1) and to release ions to the target electrode (3).

Moreover, the ion-conductive channel (5) is arranged to provide an ionic connection between the source (1) and the target (3) electrodes. The electrodes (1,3) and the ion-conductive channel (5) are formed of solid or semi-solid materials which are directly or indirectly attached to a support.

The device also comprises means for limiting an electronic current between said source (1) and said target (3) electrodes, such that at least after a voltage is applied across said channel (5) a potential difference between said source (1) and target (3) electrodes is maintained, which potential difference effects ion transport from said source (1) to said target (3) electrode. An apparatus for transporting ions to or from a cell. Use of the device for transporting ions to or from a cell. Methods of operating the device.