Themed collection Precious Elements

Solid-state batteries are configured by deliberation of technology and energy, with material chemistries and processing parameters necessary to target the requirements of the roadmap of future energy-dense and safe batteries.

Progress of utilizing conductive polymers and their composites to prepare flexible, smart and self-sustainable supercapacitors for portable/wearable electronics is reviewed.

A deep review of the state-of-the-art of Redox Flow Batteries (RFBs), a technology that aims to become the leading stationary energy storage, covering individual components, economic analysis and characterization techniques.

Although the interest in lithium recycling is increasing the current global lithium recycling rate is lower than 1%. For this reason, our paper aims to explain the needs, current state and future directions of lithium recycling technologies.

The present review describes electrochemical methods for the recovery of chemical feedstocks from waste materials.

Semiconductors of interest in Bioelectronics and Sustainable (Green) Organic Electronics that can feature exclusive protonic or electronic transport, beside mixed protonic-electronic.

Silver nanowires for flexible organic electronics have been comprehensively summarized from synthesis, film fabrication, characterization and applications to perspectives.

The applications, progress and outlook of ion flotation are discussed.

Organic transistors for flexible electronics applications are usually fabricated on polymeric substrates, but considering the negative impact of plastic waste on the global environment and taking into account the desirable properties of paper, there are more and more efforts to use paper as a substrate for organic transistors.

Harnessing biomass to fabricate electronic devices has lately drawn significant research attention because it not only represents a promising strategy for making materials but is also beneficial for the sustainable development of technologies.

Product design is an important factor which can control the efficiency and economics of a recycling flowsheet.

This review highlights the current status of e-waste recycling and provides insights on metal recovery from e-waste via green chemistry.

This work establishes a new way to prepare reconfigurable printable magnets based on Wax/CoFe₂O₄ nanoparticles for advanced applications.

Based on an electric potential test, Fe³⁺ was selected as an intermediate for synergistic salt leaching of valuable metals from spent LFP and NCM cathodes, while keeping PO₄³⁻ separated in the residue as FePO₄.

Catalytic dissolution of metals from printed circuit boards using a calcium chloride–based deep eutectic solvent.

The application of a fluorine-free ionic liquid electrolyte has enabled cleaner and sustainable Nd recovery via electrodeposition.

Ferrous oxalate from carbon dioxide and scrap mild steel stores more energy and carbon than irons oxides prepared from oxalates.

Advanced rare-earth separation technology with 100 times higher efficiency than liquid–liquid extraction methods can lead to a circular REE economy.

The slag from the extraction processes of metals from their ores may contain valuable components that, if adequately recovered, can be reintroduced in the technological life cycle.

Ionic liquids are shown to beneficially influence the extraction of gallium by Kelex® 100 from alkaline Bayer process liquors.

Plant leaves were used to construct conducting channels and supercapacitors within.

The radical copolymerisation of vinylidene fluoride (VDF) with vinyl dimethyl phosphonate (VDMP) initiated by various kinds of initiators is presented.

Indium Tin Oxide (ITO)-free carrier-selective contact for crystalline silicon solar cells is developed by the integration of a micro-grid electrode.

Yttrium speciation in coal fly ash differs depending on the scale of the analysis.

Highly robust engineered protein matrices derived from bacteria were used to isolate rare earth elements from mixtures of metals. The filters were re-used over multiple cycles and the bound REE were readily recovered.

We report a binder-free stainless steel welded mesh@flower-like Mn₃O₄ composite with high zinc storage capability for aqueous zinc-ion batteries.