US 2023/0402632 A1 · APPARATUS FOR MONITORING THE CELL VOLTAGE

Abstract

The invention relates to an apparatus for monitoring the cell voltage of an individual cell (3), formed by a membrane electrode assembly (4) and bipolar plates (6), of a fuel cell stack (1), the apparatus having a measuring device (7) for each of the individual cells (3), which measuring device comprises an optical signal generator (9) which is controllable by the measuring device. The apparatus according to the invention is characterized in that the measuring device (7) is formed on a flexible circuit board that is connected to a frame (5) of a framed membrane electrode assembly (4, 5) or is formed as part of the frame.

Claims20

Dependent claims

An apparatus for monitoring the cell voltage of an individual cell, formed by a membrane electrode assembly and bipolar plates, of a fuel cell stack, having a measuring device for each of the individual cells, which comprises an optical signal generator which can be controlled by it,

characterized in that
the measuring device is formed on a flexible circuit board which is connected to a frame of a framed membrane electrode assembly or formed as part of the same.

Dependencies are inferred from the claim text.

Facts

Application

18/248,793Filed 14 Oct 2021

Priority

DE 10 2020 006 353.515 Oct 2020

Published

14 Dec 2023

Term ends

Not estimatedThe source records don’t support an estimate.

Classification11 codes

H01M 8/04552
Voltage: of the individual fuel cell
G01R 15/22
Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks: using light-emitting devices, e.g. LED,…
H01M 8/0269
Collectors; Separators, e.g. bipolar separators; Interconnectors: separators, collectors or interconnectors including a printed circuit board
H01M 8/04559
Voltage: of fuel cell stacks

Apparatus for monitoring the cell voltage

Life of this patent

Apparatus for monitoring the cell voltage

Life of this patent

Abstract

Claims20