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Catastrophic localized deflagration formation mechanisms and safety precautions in proton exchange membrane water electrolyzer

Proton exchange membrane water electrolysis promises green hydrogen production but safety risks in industrial operations remain unexplored. Here, the authors identify water-starvation as the cause of water electrolysis stack deflagration and establish safety precautions for industrial scale-up.

Aidong Tan
Jiayi Song
Jianguo Liu
ResearchOpen Access14 Oct 2025
Nature Communications

Volume: 16, P: 1-13
Single-faceted IrO₂ monolayer enabling high-performing proton exchange membrane water electrolysis beyond 10,000 h stability at 1.5 A cm^-2

IrO2 catalysts typically feature rutile structures with multiple facets. The authors develop an ammonia-induced method to synthesize single-faceted CuO₂ monolayers with the theoretically optimal (101) facet, resulting in high oxygen evolution activity and stability (>10,000 h) in a water electrolyser.

Deren Yang
Chunyang Zhang
Jianguo Liu
ResearchOpen Access06 Aug 2025
Nature Communications

Volume: 16, P: 1-16
Monolithic all-perovskite tandem solar cells with 24.8% efficiency exploiting comproportionation to suppress Sn(ii) oxidation in precursor ink

Improvements in the efficiency and stability of low-bandgap perovskite solar cells are key to enabling all-perovskite solar cells. Here, Lin et al. use metallic tin to prevent oxidation in such low-gap perovskite and demonstrate 24.8%-efficient tandems that are stable for over 400 h under operating conditions.

Renxing Lin
Ke Xiao
Hairen Tan
Research23 Sept 2019
Nature Energy

Volume: 4, P: 864-873
Sb₂Se₃ assembling Sb₂O₃@ attapulgite as an emerging composites for catalytic hydrogenation of p-nitrophenol

Lin Tan
Aidong Tang
Jing Chen
ResearchOpen Access12 Jun 2017
Scientific Reports

Volume: 7, P: 1-11

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Catastrophic localized deflagration formation mechanisms and safety precautions in proton exchange membrane water electrolyzer

Single-faceted IrO2 monolayer enabling high-performing proton exchange membrane water electrolysis beyond 10,000 h stability at 1.5 A cm-2

Monolithic all-perovskite tandem solar cells with 24.8% efficiency exploiting comproportionation to suppress Sn(ii) oxidation in precursor ink

Sb2Se3 assembling Sb2O3@ attapulgite as an emerging composites for catalytic hydrogenation of p-nitrophenol

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Single-faceted IrO₂ monolayer enabling high-performing proton exchange membrane water electrolysis beyond 10,000 h stability at 1.5 A cm^-2

Sb₂Se₃ assembling Sb₂O₃@ attapulgite as an emerging composites for catalytic hydrogenation of p-nitrophenol