Newly developed stainless steel plate delivers both improved electrical/thermal conductivity and increased corrosion resistance

Use of metallic substances has long attracted attention as a means of effectively obtaining both electrical and thermal conductivity. However, up to now carbon separators have been employed, since the use of passive treatment to guard against rust and corrosion caused by electrical current in metal separators tended to increase resistance. In order to overcome this persistant problem, in the Honda FC Stack, highly electrically conductive metallic inclusions are dispersed on a stainless steel base, which is then given an oxidized coating. This prevents rust and corrosion while establishing a compulsory electrical pathway, to achieve outstanding electrical and thermal conductivity.
Newly developed stainless steel plate (expanded view)
Cross section
Honda FC Stack   Without electrically conductive metallic inclusions

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1. Honda Stack Evolution
2. At Extremely Low Temperatures
3. At High Temperature
4. Stamped Metal Separator
5. Stainless Steel Plate
6. Light and Compact
7. Configuration

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