Energy conversion apparatus, in particular fuel cell stack or electrolyzer
A battery and electric energy technology, applied in the direction of fuel cells, fuel cell groups, fuel cell components, etc., can solve the problems of high fuel cell unit, cost, battery time and energy consumption, etc.
Active Publication Date: 2015-01-21
FACHHOCHSCHULE GELSENKIRCHEN
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Problems solved by technology
For this reason, in a modular system, the replacement of damaged batteries is also technically time-consuming and labor-intensive, so that the repair of the fuel cell unit is ultimately expensive
Method used
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Embodiment Construction
[0039] figure 1 A fuel cell unit 1 according to a first variant of the invention is shown, which has a housing with a base 2 and four side walls 3 . The housing is thus constructed so as to be closed towards five sides and open towards one side 6 . This open side 6 is closed liquid-tight and gas-tight by a sealing element 8 which is designed as a dimensionally stable shaped insert 8 . Here, the shaped insert 8 has a collar-like outer edge region 15 which rests on the end face 14 of the side wall 3 and is pressed against the end face 14 in particular by means of fastening means, not shown, so that the housing Constitute a closed chamber 4 with its side wall 3 and bottom surface and shaped insert 8, see figure 2 .
[0040] In the shaped insert 8 there are five grooves which extend into the chamber 4 , that is to say in the direction of the bottom surface 2 of the housing. Each of these grooves 10 is adapted in its shape and inner dimensions to a fuel cell 5 which is inserte...
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Abstract
The invention relates to an apparatus (1) for converting chemical energy into electrical energy and / or electrical energy into chemical energy with a housing (2, 3, 3a), which is open towards at least one side (6) and in which a pressure chamber (4) is formed, and with at least one electrochemically active cell (5) for energy conversion, which extends from the open side (6) of the housing (2, 3, 3a) into the housing (2, 3, 3a), wherein the open side (6) is closed by a plate (7, 31), which holds and / or supplies power to the cell (5). A sealing element (8, 9) is arranged between the housing (2, 3, 3a) and the plate (7, 31), closes the open side (6) of the housing (2, 3, 3a) in a fluid-tight and / or gas-tight manner so as to form the pressure chamber (4) and is formed at least partially from an elastic material. At least one pocket (10) extending into the pressure chamber (4) is formed in the sealing element (8, 9), wherein the cell (5) is positioned in said pocket and the pocket wall (28) of said pocket is flexible as a result of the elastic material, with the result that the pocket wall (28) bears against the cell (5) in the event of an excess pressure in the pressure chamber (4).
Description
Technical field [0001] The invention relates to a device for converting chemical energy into electrical energy and / or electrical energy into chemical energy, which device has a housing that is open to at least one side and in which a pressure chamber is formed. , the device also has at least one electrochemically active cell for energy conversion, which electrochemically active cell extends into the housing from an open side of the housing, wherein the open side is closed by a plate holding and / or supplying the battery. Background technique [0002] Such devices are known as fuel cells or electrolyzer cells. Active cells are in this case fuel cells, which convert chemical energy into electrical energy, or electrolyzer cells, which convert electrical energy into chemical energy. The arrangement of a plurality of plate-shaped cells adjacent to one another is called a stack, in particular a fuel cell stack or a stacked plate electrolyzer. [0003] In the case of a fuel cell, ...
Claims
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IPC IPC(8): H01M8/02H01M8/24C25B9/19
CPCH01M8/0271H01M8/0284H01M8/247H01M8/248Y02E60/50C25B9/00C25B9/70Y02E60/10
Inventor M·布罗德曼M·格雷达C·穆塔斯库J·罗特
Owner FACHHOCHSCHULE GELSENKIRCHEN