Development of copper foam-based composite catalysts for electrolysis of water and beyond

Abstract

As a cost-effective and environmentally friendly secondary energy source, hydrogen energy is one of the top future targets for the development of clean energy. The electrolysis of water to produce...

Advancements in Catalysts for Electrochemical Nitrate Reduction: A Sustainable Approach for Mitigating Nitrate Pollution: A Review

“…Because of its exceptional electrocatalytic activity, Cu is crucial in converting nitrate to ammonia. Cu's superior electron-transfer properties are responsible for its extraordinary ability since it facilitates the reduction of nitrate ions to ammonia at the cathode of an electrochemical cell [86] [90] [91].…”

Oxygen-rich hierarchical porous carbon nanosheets derived from the KOH/KNO3 co-activation treatment of soybean straw for high-performance supercapacitors

“…Nevertheless, there are few works reporting the use of KNO 3 as a post-treatment reagent in the activation step to date to the best of our knowledge. [29][30][31] It can be reasonably predicted that the texture, heteroatom content, and the resulting relevant electrochemical performance of the obtained carbon materials will be greatly adjusted when employing KOH/KNO 3 as a co-activator instead of single KOH because of the potential oxidative doping, violent volume expansion and enhanced etching effect. Moreover, the addition of suitable KNO 3 to KOH as a co-activator does not require additional reaction steps or treatment process, and therefore it is simple, and meanwhile highly efficient, fully matching with the concept of green chemistry.…”

Ferrum-doped nickel selenide @tri-nickel diselenide heterostructure electrocatalysts with efficient and stable water splitting for hydrogen and oxygen production

“…The electrolysis of water is the more advantageous of the two methods of producing hydrogen by hydrolysis. The H 2 and O 2 produced by the electrolysis of water need to overcome a certain energy barrier, and the theoretical voltage of the H 2 and O 2 production is respectively 0 V and 1.23 V, and electrolyzed hydrogen is divided into two half-reactions, respectively HER and OER, but OER is a four-electron transfer process, with a very slow reaction dynamics, so electrolytic water needs over-power to be completed, the most current study is the use of catalysts to accelerate water decomposition [14][15][16] . So in order to reduce the overpotential of water splitting, it is crucial to develop catalysts that are both e cient and durable.…”