Voltea B.v.

Voltea Limited

Bart Van Limpt

Albert Van Der Wal

Hank Robert Reinhoudt

Thomas Richard Bednar

David Jeffrey Averbeck

George Shoemaker Ellis

Pieter Maarten Biesheuvel

An apparatus to remove ions including a plurality of capacitive electrode stacks. Each capacitive electrode stack may have: a plurality of first electrodes including a plurality of first current collectors; a plurality of second electrodes including a plurality of second current collectors; and a spacer between the first and second electrodes to allow water to flow in between the electrodes. The second current collectors of a first of the plurality of capacitive electrode stacks may be connected to the first current collectors of a second of the plurality of capacitive electrode stacks.

Apparatus and method for removal of ions

An apparatus to remove ions, the apparatus including a capacitive electrode stack. The capacitive electrode stack has a first electrode that includes a first current collector, a second electrode, and a spacer between the first and second electrodes to allow water to flow in between the first and second electrodes. The apparatus has a connector to connect the current collector inside the housing with an electrical source outside the housing, and the connector includes a closing off portion to close an opening in the housing and to form a boundary for the water in the housing.

An apparatus to remove ions, the apparatus having a housing including an inlet to let water in an interior of the housing, an outlet to let water out of the interior of the housing, a first electrode having a current collector, a second electrode, and a spacer to separate the first and second electrodes and to allow water to flow between the first and second electrodes. The apparatus also has a connector to connect the first electrode, or the second electrode, or both first and second electrodes, with an electrical source. The connector may have two connector parts to clamp the current collector in between the connector parts, the connector constructed and arranged to avoid water-metal contact.

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Leiden, Netherlands

Bart Van Limpt