Dear Colleagues,

Unsustainable energy supply and environmental pollution have been further aggravated recently with the overuse of fossil fuels. Therefore, the transformation to a low-carbon, environment-friendly energy system is particularly important. This has led to a huge demand for new, environmentally friendly energy storage, and conversion devices. Novel energy devices such as lithium-ion batteries, lithium-sulfur batteries, water electrolyzers, and fuel cells have attracted much attention over the years due to their splendid application prospects. However, sluggish kinetics, high cost, poor durability, and other issues of electrode materials have greatly limited their application and development. In the past decades, a great deal of effort has been devoted to finding high-performance electrocatalysts to alleviate these problems. There has been great progress in the design and synthesis of electrocatalysts that address problems such as the complex synthetic route, costly ingredients, insufficient catalytic selectivity, and unclear mechanism of the reactions.

As a consequence, this Special Issue will summarize the opportunities and challenges in electrocatalysis for energy storage and conversion from the perspective of materials design and electrode structure optimization, and which determine their effects and values in dealing with the energy crisis and environmental issues.

Prof. Dr. Wen Liu
Prof. Dr. Le Yu
Guest Editors

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• Energy storage and conversion 
• Electrocatalysts 
• Electrocatalytic mechanism 
• Nanostructures