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Hybrid cathode enables scalable high-performance hydrogen generation

Hybrid cathode enables scalable high-performance hydrogen generation
techxplore.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from techxplore.com Daily Mail and Mail on Sunday newspapers.

Wenwen Xu , Lu Zhiyi , Chinese Academy Of Sciences , Ningbo Institute Of Materials Technology , Ningbo Institute , Materials Technology , Chinese Academy , Advanced Functional , Scalable Fabrication , Nimo Hybrid Cathode , Performance Seawater Electrolysis , Advanced Functional Materials ,

Researchers Gain Novel Insights Into MXene Hydrogel Fabrication

A recent study published in Nature Communications addresses this problem by offering a generic 4D printing technique for producing MXene hydrogels with adjustable geometries. ....

Mxene Hydrogels , Crosslinked Mxene , Nature Communications , Research Gap , Energy Storage Applications , Energy Storage , Scalable Fabrication , Industry Focus , Key Developments ,

"Template-Free Self-Caging Nanochemistry for Large-Scale Synthesis of S" by Peng Yu, Lan Xiang Feng et al.


Abstract
Big volume changes, the shuttle effect, and poor conductivity are well-known, critical issues of sulfur electrodes that prevent practical application of lithium-sulfur batteries. The design of active materials with a conductive shell provides an effective solution. Traditional strategies have long been limited for practical applications; however, by low productivity and time/energy consuming template-based methods. Here, a facile template-free self-caging nanotechnology for the scalable fabrication of graphene@sulfur nanocages with atomic-scale shells is reported. To do that, a new sulfur-graphene nanochemistry based on a reductive sulfur solution and oxidative sulfonated-graphene dispersion is developed for the first time. With only the help of mechanical mixing, sulfur particles are successfully synthesized in situ and encapsulated into reaction-induced self-assembled sulfonated-graphene nanocages. These unique nanocages not only provide accommodation of the big vol ....

Graphene Sulfur Nanocages , Ong Life Lis Batteries , Scalable Fabrication , Elf Caging , Olk Shell Nanomaterials ,

New Technique Improves Stability, Efficiency of Solar Cell Modules


New Technique Improves Stability, Efficiency of Solar Cell Modules
Written by AZoMJan 28 2021
A group of scientists from the Okinawa Institute of Science and Technology Graduate University (OIST) has used a new fabrication method to create perovskite solar modules that have enhanced efficiency and stability with fewer defects.
Perovskite solar cell devices require multiple layers to function. The active perovskite layer absorbs sunlight and generates charge carriers. The transport layers transport the charge carriers to the electrodes, releasing a current. The active perovskite layer is formed from many crystal grains. The boundaries between these grains, and other defects in the perovskite film, such as pinholes, lower the efficiency and lifespan of the solar devices. Image Credit: Okinawa Institute of Science and Technology Graduate University. ....

Yabing Qi , Okinawa Institute Of Science , Surface Sciences Unit , Innovation Center , Energy Materials , Technology Development , Technology Graduate University , Okinawa Institute , Technology Graduate , Advanced Energy Materials , Guoqing Tong , Study First Author , Postdoctoral Scholar , Professor Yabing , Proof Of Concept Program , Scalable Fabrication , Solar Modules , Operational Stability Based , Intermediate Phase , Advanced Energy , ஓகைநாவ நிறுவனம் ஆஃப் அறிவியல் , மேற்பரப்பு அறிவியல் அலகு , கண்டுபிடிப்பு மையம் , ஆற்றல் பொருட்கள் , தொழில்நுட்பம் வளர்ச்சி , தொழில்நுட்பம் பட்டதாரி பல்கலைக்கழகம் ,