Fe@SC OER Electrocatalyst

From recycled PPS

Transforms recycled polyphenylene sulfide into an S-doped carbon-supported iron electrocatalyst, enhancing OER kinetics for efficient and stable water electrolysis.

79518937 · Xinyao, Sun · Hou, Xu · Huang, Jing · Yin, Li · Cui, Tingting

Journal of Environmental Chemical Engineering 2026

Specifications

Overpotential (1 M KOH)

{'zh': '295', 'en': '295'} mV

Overpotential (simulated seawater)

{'zh': '314', 'en': '314'} mV

Stability

{'zh': '100', 'en': '100'} h

Advantages

Low overpotential

Overpotential of only 295 mV in 1 M KOH and 314 mV in simulated seawater at 100 mA cm⁻².

High stability

Stable operation at 200 mA cm⁻² for at least 100 hours.

Recycled feedstock

Prepared from recycled polyphenylene sulfide (PPS), valorizing waste plastic.

Applications

• Oxygen evolution reaction：Directly used as OER anode to reduce energy consumption.
• Water electrolysis for hydrogen：Improve water electrolysis efficiency for hydrogen production.
• Electrocatalysis：Serve as an efficient non-noble metal electrocatalyst.