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The impact of additives on aqueous metal electrodeposition has fascinated the electroplating community for several decades. Additives can be classified into organic and inorganic compounds. The former are most common as they act as hydrogen permeation inhibitors, crystal growth modifiers, brighteners, levellers, wetting agents, and stress relievers. Even if added to the electrolyte in small amounts, their effect on coatings’ morphology and structure is remarkable, often without changing their chemical composition. For example, saccharine, a well-known sweetener to sprinkle onto food or added to coffee, is a typical grain-refining agent in metal electrodeposition. Saccharine is thus widely used in nickel plating as a brightener. Polyethylene glycol (PEG) is also added to nickel electrolytes to reduce surface roughness, refine grains, and promote twinning. In turn, the mechanical properties of the resulting coatings such as hardness greatly improve. Caution must be taken, though, regarding the incorporation of sulphur and carbon impurities that...

The NICKEFFECT project has been awarded the prestigious GREEK GREEN AWARD 2024 in the Best European Project in the Environment category. This recognition validates the project's innovative efforts and its role in driving sustainable change within the green energy sector.   The GREEK GREEN AWARD is proof of the dedication and innovative spirit of the NICKEFFECT project team. NICKEFFECT partners aim to push the boundaries of traditional materials science, and also set a new standard for environmental stewardship in the field of green technology.   At its core, the NICKEFFECT project seeks to revolutionise green energy by replacing platinum, a scarce and expensive resource, with innovative nickel structures. This strategic shift not only addresses the limitations of traditional energy technologies but also opens up new avenues for sustainable development and environmental impact reduction.   The recognition was received at the 6th International VERDE.TEC exhibition serves as a testament to the project's impact and significance within the...