Electrochemical energy storage device
An electrochemical energy storage device provides problem-free pressure compensation at a permanently high impermeability, includes a storage housing ( 1 ), which encases a volume, in which cells are accommodated, wherein the storage housing ( 1 ) protects the volume from the surroundings, and includes a volume compensation device ( 2 ), which compensates pressure differences between the interior of the storage housing ( 1 ) and the surroundings without a material replacement between the surroundings and the interior of the storage housing ( 1 ).
1. An electrochemical energy storage device comprising:
a storage housing, which encases a volume, in which cells are accommodated;
wherein the storage housing protects the volume from the surroundings, characterized in that a volume compensation device is assigned to the storage housing;
said volume compensation device compensates for pressure differences between the interior of the storage housing and the surroundings without a material exchange taking place between the surroundings and the interior of the storage housing, characterized in that the volume compensation device is arranged outside of the storage housing at a distance therefrom.
2. An electrochemical energy storage device comprising:
a storage housing, which encases a volume, in which cells are accommodated;
wherein the storage housing protects the volume from the surroundings, characterized in that a volume compensation device is assigned to the storage housing;
said volume compensation device compensates for pressure differences between the interior of the storage housing and the surroundings without a material exchange taking place between the surroundings and the interior of the storage housing;
wherein the volume compensation device encompasses an expansive balloon ( 7 ) disposed within a generally spherical balloon housing.
3. An electrochemical energy storage device comprising:
a storage housing, which encases a volume, in which cells are accommodated;
wherein the storage housing protects the volume from the surroundings, characterized in that a volume compensation device is assigned to the storage housing;
said volume compensation device compensates for pressure differences between the interior of the storage housing and the surroundings without a material exchange taking place between the surroundings and the interior of the storage housing;
wherein the volume compensation device encompasses an expansive bellows ( 11 ) disposed exterior of the storage housing.
4. An electrochemical energy storage device comprising:
a storage housing, which encases a volume, in which cells are accommodated;
wherein the storage housing protects the volume from the surroundings, characterized in that a volume compensation device is assigned to the storage housing;
said volume compensation device compensates for pressure differences between the interior of the storage housing and the surroundings without a material exchange taking place between the surroundings and the interior of the storage housing;
wherein the volume compensation device encompasses a movable housing cover ( 22 ).
5. The energy storage device according to claim 4 , wherein the housing cover ( 22 ) encompasses a revolving, bellows-like seal ( 24 ), wherein the seal ( 24 ) protrudes into the interior of the storage housing ( 1 ).
6. The energy storage device according to claim 4 , wherein the housing cover ( 22 ) encompasses a revolving bellows-like seal ( 24 ), wherein the seal ( 24 ) protrudes into the surroundings of the storage housing.
7. An electrochemical energy storage device comprising:
a storage housing, which encases a volume, in which cells are accommodated;
wherein the storage housing protects the volume from the surroundings, characterized in that a volume compensation device is assigned to the storage housing;
said volume compensation device compensates for pressure differences between the interior of the storage housing and the surroundings without a material exchange taking place between the surroundings and the interior of the storage housing;
wherein the volume compensation device ( 2 ) encompasses a bellows disposed in the storage housing and having a filter element ( 14 ) arranged between the surroundings and an interior of the bellows.
8. An electrochemical energy storage device comprising:
a storage housing, which encases a volume, in which cells are accommodated;
wherein the storage housing protects the volume from the surroundings, characterized in that a volume compensation device is assigned to the storage housing;
said volume compensation device compensates for pressure differences between the interior of the storage housing and the surroundings without a material exchange taking place between the surroundings and the interior of the storage housing, wherein the volume compensation device ( 2 ) encompasses a valve piston ( 17 ) that is movable to open a passage ( 18 ) to allow volume compensation through the passage.
9. The energy storage device according to claim 3 , wherein the bellows ( 11 ) encompasses a blow-out disk ( 21 ).
10. The energy storage device according to claim 8 , wherein the volume compensation device ( 2 ) encompasses an absorber element ( 20 ) exterior of the valve piston.
11. The energy storage device according to claim 1 , characterized by the electrochemical energy storage device being a battery.
12. The energy storage device according to claim 1 , characterized by the electrochemical energy storage device being a super capacitor.