Search results for micro fuel cell

Analytical Chemistry Apr 3, 2024

Fuel cells: Oxidation processes of phosphorous acid revealed by tender X-rays

The interactions between phosphorous acid and the platinum catalyst in high-temperature PEM fuel cells are more complex than previously assumed. Experiments at BESSY II with tender X-rays have decoded the multiple oxidation ...

Space Exploration Mar 21, 2024

The Mars science helicopter could be an airborne geologist on Mars

After more than 70 successful flights, a broken rotor ended the remarkable and groundbreaking Ingenuity helicopter mission on Mars. Now, NASA is considering how a larger, more capable helicopter could be an airborne geologist ...

Molecular & Computational biology Mar 4, 2024

Newly discovered protein prevents DNA triplication

Every time a cell divides, its DNA is duplicated so that the two daughter cells have the same genetic material as their parent. This means that, millions of times a day, a biochemical wonder takes place in the body: the copying ...

Nanomaterials Jan 30, 2024

Ultrathin membranes for uncovering the atomic scale problem in operando conditions

When someone comes up with the word "magnify," it is referring either to making distant objects closer or making small objects bigger on a tangible scale. There is no doubt that the power of magnifying instruments, regardless ...

Space Exploration Jan 19, 2024

Q&A: Small solar sails could be the next 'giant leap' for interplanetary space exploration

Nearly 70 years after the launch of the first satellite, we still have more questions than answers about space. But a team of Berkeley researchers is on a mission to change this with a proposal to build a fleet of low-cost, ...

Biochemistry Jan 11, 2024

Scientists tame chaotic protein fueling 75% of cancers

MYC is the shapeless protein responsible for making the majority of human cancer cases worse. UC Riverside researchers have found a way to rein it in, offering hope for a new era of treatments.

Nanophysics Nov 15, 2023

Researchers engineer nanoparticles using ion irradiation to advance clean energy, fuel conversion

MIT researchers and colleagues have demonstrated a way to precisely control the size, composition, and other properties of nanoparticles key to the reactions involved in a variety of clean energy and environmental technologies. ...

Nanomaterials Oct 11, 2023

Researchers use new new cobalt-modified nano material to make fuel cells more robust, sustainable

There is an urgent need to address climate change, making the development of sustainable energy alternatives more important than ever. While proton-exchange membrane fuel cells (PEMFCs) have shown great promise for energy ...

Analytical Chemistry Oct 11, 2023

Metal-free and transition-metal-doped ZIF-8@CNT catalysts prepared by one-step high-temperature pyrolysis

Non-precious metal catalysts (NPMC) have strong potential in energy conversion devices due to their excellent oxygen reduction reaction (ORR) performance in fuel cells. Since in most NPMC materials, the accessible active ...

Nanophysics Jul 14, 2023

Liquid metal nanodroplets formed with new technique have promising properties for catalysis

Liquid metal, planet-like nanodroplets have been successfully formed with a new technique developed at RMIT University, Australia. Like our own planet Earth, the nanodroplets feature an outer "crust," a liquid metal "mantle," ...

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