The screening of advanced materials coupled with the modeling their quantitative structural-activity relationships has recently become one hot and trending topics in energy due to diverse challenges, including low success probabilities, high time consumption, computational cost associated traditional methods developing materials. Following this, new research concepts technologies promote development necessary. latest advancements artificial intelligence machine learning have therefore...

Abstract Flow batteries have received extensive recognition for large‐scale energy storage such as connection to the electricity grid, due their intriguing features and advantages including simple structure principles, long operation life, fast response, inbuilt safety. Market penetration of this technology, however, is still hindered by some critical issues electroactive species crossover its corresponding capacity loss, undesirable side reactions, scale‐up optimization structural...

Abstract The global energy sector is currently undergoing a transformative shift mainly driven by the ongoing and increasing demand for clean, sustainable, reliable solutions. However, integrating renewable sources (RES), such as wind, solar, hydropower, introduces major challenges due to intermittent variable nature of RES, affecting grid stability reliability. Hybrid storage systems (HESS), which combine multiple devices (ESDs), present promising solution leveraging complementary strengths...

This review provides an overview of Cu-based catalysts for electrocatalytic nitrate reduction to ammonia. It encompasses materials, reaction mechanisms, analysis methods and insights into the practical applications economic prospects.

Abstract The photoelectrochemical redox battery (PRB) has been regarded as an alternative candidate for large‐scale solar energy capture, conversion, and storage it combines the superior advantages of devices batteries. As emerging utilization technology, significant progress made towards promoting proliferating practical applications PRBs. However, wide market penetration PRBs is still being significantly inhibited by limited photocatalytic activity, low efficiency, among other critical...

In this work, a direct ammonia fuel cell, which consists of an anion exchange membrane and commercially available PtRu/C Pd/C catalysts at the anode cathode, respectively, is developed. Experimental results demonstrate that cell exhibits peak power density 20.7 mW cm–2 open-circuit voltage 0.67 V 95 °C when fed with 3.0 M KOH. Besides, durability test reveal developed can maintain stable operation for more than 25 h. addition, effects operating parameters, such as concentrations KOH, flow...

Direct formate fuel cells are attractive due to their high theoretical voltage of 1.45 V, facile and complete oxidation in alkaline media, ease handling during storage transportation. However, the presence cations solution only increases weight load cell system without contributing electricity generation. In this work, an ammonium is developed, which can not retain advantages but also substitute Na+/K+ with (NH4+) release electrons for This achieves a peak power density 61 mW cm–2 at 60 °C....

Ceramic electrochemical cells (CECs) are promising devices for clean and efficient energy conversion storage due to their high efficiency, more extended system durability, less expensive materials. However, the search suitable materials with desired properties, including ionic electronic conductivity, thermal stability, chemical compatibility, presents ongoing challenges that impede widespread adoption further advancement in field. Artificial intelligence (AI) has emerged as a versatile tool...

Regenerative fuel cells can operate alternately as an electrolyzer and a cell, frequently involving water reactant or product. Modifying the electrode surface to manipulate prevent flooding enhance electrode's mass transfer efficiency by facilitating better contact with gaseous reactants. However, conventional electrodes face difficulties in allowing droplets penetrate single direction leaving electrodes. In this work address issue, wettability gradient is designed fabricated for efficient...

Dehumidification not only regulates the relative humidity (RH) of buildings with reduced cooling costs but also provides a potential drinking water source for residents. Desiccant-based dehumidification has lower energy consumption than condensation-based method; however, former requires successive regeneration used sorbents and is, therefore, bulky. In this study, by mimicking transpiration in trees, we propose pump (HP) that continuously dehumidifies rooms creating continuous driving force...

Lately, utilizing a novel electrically rechargeable liquid fuel (e-fuel), cell has been designed and fabricated, which is demonstrated to achieve much better performance than alcoholic cells do. However, its current performance, thus hampers wide application, demands further improvement meet up with industrial requirement. Therefore, attain for this system, an in-depth understanding of the complex physical chemical processes within essential. To end, in work, two-dimensional transient model...

Passive fuel cells, using diffusion and natural convection for delivery, are regarded as promising candidates powering portable devices including mobile phones laptops. However, the performance of passive cells which employ typical liquid alcohol fuels still limited, thereby greatly hampered their commercialization progress. Recently, a novel concept named electrically rechargeable (e-fuel), with its rechargeability, cost-effectiveness, superior reactivity, has attracted increasing...

In article number 2000758, Liang An, T.S. Zhao and co-workers explore the fundamental understanding, physicochemical processes, working principles operation limitations of flow batteries, even beyond common all-vanadium redox through various modeling frameworks their simulation implications, paying particular attention to length-scales. Perspectives for future directions on model development particularly ones with limited model-based studies, are also highlighted.

The liquid fuel cell, with its high energy density and ease of handling, has attracted great attention worldwide. However, real application is still being greatly hindered by limited power density. Hence, the recently proposed demonstrated using an electrically rechargeable (e-fuel), believed to be a candidate potential due significant performance advancement. Unlike conventional alcoholic fuels, e-fuel possesses excellent reactivity, even on carbon-based materials, which therefore allows...