Design for Remanufacturing and Resource Circulation in Proton Exchange Membrane Water Electrolysis Systems Using Sustainability Benefit Ratio
Tomohiko Nakajima, Iwao Yamaguchi, Yuki Kinoshita · 2026
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Description
Tomohiko Nakajima, Iwao Yamaguchi, and Yuki Kinoshita weigh rebuilding hydrogen gear in a 2026 study. Membrane water electrolysis makes low-carbon hydrogen, yet its stacks lean on scarce, heavy-impact parts like iridium and titanium. Stack swaps over a plant's life add up.
Using a benefit ratio that joins climate cost, saved cost, and value-weighted life factors, the team compare fresh builds against rebuilds across repeat cycles. Rebuilds won on balance each time, cut carbon burdens, and kept scarce stack stuff in play at like output. One electrode type ruled the circular value. Design for rebuild, the work argues, belongs in the first sketch.
Catalog record
| CREATOR | Tomohiko Nakajima, Iwao Yamaguchi, Yuki Kinoshita |
|---|---|
| YEAR | 2026 |
| COLLECTION | PAPERS |
| FORMAT | TXT |
| FILE SIZE | 79 KB |
| VERSION | 1.0 |
| LICENSE | CC BY 4.0 |
| RIGHTS | CC BY |
| SOURCE | Europe PMC |