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30 Current news from Hong Kongrss
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Pyroelectriccatalysis (pyro-catalysis) can convert environmental temperature fluctuations into clean chemical energy, like hydrogen. However, compared with the more common catalysis strategy, such as photocatalysis, pyro-catalysis is inefficient due to slow temperature changes in the ambient ...
Chemists discover a fundamental catalyst protonation process to promote solar-driven water-splitting for hydrogen production without CO2 emissions
Hydrogen is a promising green energy carrier for a sustainable future. However, it is mostly locked in water. Energy is required to liberate it from water for practical use. Solar energy is abundantly renewable, ideal for direct water-splitting to generate hydrogen using a ‘photocatalyst’. ...
“This study reveals the great potential of phase engineering of catalysts in metal-gas electrochemistry”
The metal-carbon dioxide battery is a promising and environmentally friendly technology, but its energy efficiency is limited. Recently, a research team co-led by chemists from City University of Hong Kong (CityU) discovered an innovative way to overcome this problem by introducing an ...
What happens when people unknowingly eat, drink or inhale nearly invisible pieces of plastic?
Although it’s unclear what impact this really has on humans, researchers have now taken a step toward answering that question. In ACS’ Environmental Science & Technology, a team reports laboratory results indicating that tiny plastic particles could enter liver and lung cells and disrupt their ...
Developing high-performance MXene electrodes for next-generation powerful battery
Two-dimensional MXene has been a rising star in the energy world as theycan store energy fast. But their unstable voltage output limits their applications. A collaborative research team led by scientists from City University of Hong Kong (CityU) has recently developed battery-like ...
New pathway to design alloys with unprecedented structures and properties for various structural applications
A research led by scientists from City University of Hong Kong (CityU) has successfully developed a super-strong, highly ductile and super-light titanium-based alloy using additive manufacturing, commonly known as 3D printing. Their findings open up a new pathway to design alloys with ...
With the increasingly serious global energy crisis caused by the excessive consumption of fossil fuels, developing clean, efficient, and sustainable energy conversion technologies is highly desirable. Electrocatalysis is one of the most promising methods to produce clean energy. However, the wide ...
Carbon dioxide (CO2) is one of the major greenhouse gases causing global warming. If carbon dioxide could be converted into energy, it would be killing two birds with one stone in addressing the environmental issues. A joint research team led by City University of Hong Kong (CityU) has developed ...
Zinc-ion hybrid capacitors with ideal anions in the electrolyte show extra-long performance
Metal-ion hybrid capacitors combine the properties of capacitors and batteries. One electrode uses the capacitive mechanism, the other the battery-type redox processes. Scientists have now scrutinized the role of anions in the electrolyte. The results, which have been published in the journal ...
Chiral molecules are defined as molecules that are non-superimposable on their mirror image, much like that of left and right human hand bone structure. There are many examples of chiral molecules in nature, including proteins and deoxyribonucleic acid (DNA). The dynamic processes of these chiral ...