LCA of a fuel cell using gold for the bipolar plates Sacha Gerbinet - - PowerPoint PPT Presentation

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lca of a fuel cell using gold for the bipolar plates
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LCA of a fuel cell using gold for the bipolar plates Sacha Gerbinet - - PowerPoint PPT Presentation

Jun 11, 2023 486 likes •731 views

LCA of a fuel cell using gold for the bipolar plates Sacha Gerbinet 1 , A.-P. Romano 2 , Giuseppe Caldarella 1 , Nathalie Job 1 , Sylvie Groslambert 1 , Anglique Lonard 1 Saicha.gerbinet@uliege.be 1 Department of Chemical Engineering

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LCA of a fuel cell using gold for the bipolar plates

Saïcha Gerbinet1, A.-P. Romano2, Giuseppe Caldarella1, Nathalie Job1, Sylvie Groslambert1, Angélique Léonard1

Saicha.gerbinet@uliege.be

1Department of Chemical Engineering

Université de Liège http://chemeng.uliege.be

2Materia Nova Research Center

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900 km?

2 solutions

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900 km? Solution 1: 45 days ! (20 km/day)

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900 km? Solution 2:

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Fuel cells

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HYLIFE

► Optimize lifetime and efficiency of materials for fuel cell ► Environmental impact

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Bipolar plates

H2 O2, Air O2, Air

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System boundaries

Cutting Scouring Deposit

1 bipolar plate Inox Water Degreasing bath Acetone Electricity Water HCl Electricity Acid pre-gold bath

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Results

ReCiPe MidPoint (H)

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Results

ReCiPe MidPoint (H)

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Deposit?

ReCiPe MidPoint (H)

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Gold in the whole bipolar plate?

ReCiPe MidPoint (H)

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Reduce the impact of gold?

► 2 solutions !

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Solution 1:

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Reduce the impact of gold?

► 2 solutions !

► Optimize the bath use ► Use recycled gold

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Number of plates per bath?

ReCiPe MidPoint (H)

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Recycled gold

► Difficulty to find reliable information

► Bibliographic studies ► Use of: « Gold treatment of precious metal from electronics scrap, in

anode slime, precious metal extraction | Alloc Def, U »

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Recycled gold

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In the fuel cell?

H2 O2, Air O2, Air

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In the fuel cell?

ReCiPe MidPoint (H)

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In the fuel cell?

ReCiPe MidPoint (H)

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Gold?

ReCiPe MidPoint (H)

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Conclusion

900 km?

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Conclusion/perspectives

► Large contribution of gold

► Does the performance improvement justify the use of precious metal?

► Recycling ?

► Lack of data ► Not always an improvement of environmental impact ► Availability? ► Design to allow recycling?