Photovoltaic plant iridium titanium plate process flow

Can iridium be used as a protective layer for titanium PTLS?

The coating process homogeneously deposited iridium throughout the inner structure of the PTL. The findings of this study may lead to the use of iridium as a protective layer for titanium PTLs, potentially enable operation at increased cell voltages and lead to increased electrolyzer durability.

Can iridium sputter protect titanium PTL from passivation?

In this study, an easy and scalable method is introduced to protect the titanium PTL from passivation by sputtering very thin layers of iridium onto commercially-available titanium PTLs.

How does iridium affect PTL performance?

The iridium layer on the titanium fibers decreased the interface resistance between the PTL and catalyst layer. The iridium reduced the performance. For example, the overpotential of cells operated at 2 A·cm decreased by 81 mV. We further speculate that iridium-coated PTLs formation with a more conductive and stable iridium coating material.

How to clean porous transport layers before coating with iridium?

2.1. Cleaning procedure for the porous transport layers (PTLs) mediately before coating them with iridium. The PTLs were immersed for 15 min. Finally, the PTLs were rinsed twice in deionized-water at 80 °C for 15 min, and air-dried at ambient temperature overnight. 2.2. Sputtering chamber to sequentially deposit 20–150 nm thick layers of iridium.