UK households are turning to a new under-sink water filter from a company co-owned by Bear Grylls, which is said to save shoppers over £100 a year compared to buying bottled water. The Water2 Pod 2.0 ...

In 2025, China achieved key technological advancements in the field of proton exchange membrane (PEM) water electrolysis for hydrogen production. At the "2025 Membrane Industry Development Conference ...

Guangdong Provincial Key Laboratory of Optical Fiber Sensing and Communications, Siyuan Laboratory, Guangzhou Key Laboratory of Vacuum Coating Technologies and New Energy Materials, Guangdong ...

Abstract: this paper presents an embedded signal analyzer for AC impedance identification of the PEM fuel cell after a fluctuation signal of current is injected into the stack. The key part of the ...

Abstract: In this paper, a model-based robust control is proposed for the polymer electrolyte membrane fuel cell air-feed system, based on the second-order sliding mode algorithm. The control ...

Oct. 17—"Paper or plastic?" Your days are numbered. The question that millions of shoppers have heard for years when they roll up to the checkout aisle at grocery stores will soon be a thing of the ...