Alkali metal energy conversion device
AssigneeSilent Power GmbH fur Energiespeichertechnik
InventorChristopher O'Neil-Bell
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Abstract
Alkali metal energy conversion device comprising sealing components made of a metal or metal alloy substrate. A solid phase bonded coating of aluminum/silicon alloy is provided on an internal surface thereof. The aluminum/silicon alloy coating has the composition by weight of 0-0.5% Mg, 0-0.4% Cu, 0-1.0% Fe, 0.5-4.0% Si, up to 0.5% other trace elements, some oxygen present as an oxide and remainder Al.
Claims16
Alkali metal energy conversion device comprising sealing components made of a metal or metal alloy substrate having a solid phase bonded coating of aluminium/silicon alloy on an internal surface thereof, said aluminium/silicon alloy coating having the composition by weight of
- 0-0.5% Mg,
- 0-0.4% Cu,
- 0-1.0% Fe,
- 0.5-4.0% Si
- up to 0.5% other trace elements, some oxygen present as an oxide and remainder Al.
Alkali metal energy conversion device having an external casing, a solid electrolyte element in the casing to divide the interior into electrode regions, an electrically insulating element joined to the electrolyte element and means secured to the insulating element and the external casing to seal off one of the electrode regions, wherein at least part of the external casing is made of a metal or metal alloy substrate having a solid phase bonded coating of aluminium/silicon alloy on an internal surface thereof, said aluminium silicon alloy coating having the composition by weight of
- 0-0.5% Mg,
- 0-0.4% Cu,
- 0-1.0% Fe,
- 0.5-4.0% Si,
- up to 0.5% other trace elements, some oxygen present as an oxide and remainder Al.
Alkali metal energy conversion device as claimed in any preceding claim wherein said substrate having said coating has a thin layer of silicon on the surface of the aluminium/silicon alloy.
Dependencies are inferred from the claim text.