Electrochemical processes like water electrolysis will become increasingly important in the future in light of climate change and the resultant need for an energy and raw materials transition. The .
Researchers at Mainz University and Evonik have developed an innovative method to cleave and oxidize double- and triple-bonds in hydrocarbon.
Polyamides are present in many different products, su .
From cell phone batteries to electric cars - lithium-ion batteries have long been part of our everyday lives. Even the Nobel Prize in Chemistry was awarded in 2019 for the invention of such batter .
The formation of solid electrolyte interphase at the first cycle has raised technical issues of capacity loss in anode materials for lithium-ion batteries. As one solution, using Li-excess Li2NiO2 as a cathode additive aims to compensate for the initial Li+ consumption by anode materials using some of the high irreversible capacity. However, Li2NiO2 is insufficient for satisfying atmospheric stability, which induces spontaneous side reactions (e.g. Li2CO3 and LiOH), resulting in an increase of interfacial resistance for Li+ migration. In addition, the small but significant evolution of oxygen (O2) gas during the charge process over 3.8 V vs. Li/Li+ brings an extra caution for safety concerns. There is no doubt that structural stabilization of Li2NiO2 is a prerequisite for practical use in lithium-ion batteries. In this study, we propose a surface coating of amorphous niobium oxycarbide (NbOxCy) onto Li2NiO2 particles to improve their atmospheric stability, together with suppression of
Using electrochemistry to separate distinct particles inside a solution (also known as electrochemical separation) is an energy-efficient technique for environm