David Mecerreyes

• PhD, http://www.polymat.eu/en/groups/innovative-polymers-group, https://es-es.facebook.com/Mecerreyes-Research-Group-187100808022756/
• Professor (Full) at Polymat

The design of smart photoelectrodes is searched to modulate and control the spatio-temporal production of reactive oxygen species (ROS). In this work, we develop photoactive films with tunable nanostructured morphologies...

Commodity polystyrene from styrofoam food boxes was chemically transformed into redox‐active organic polymers via a two‐step functionalization sequence. In the first step, controlled chloromethylation of the pendent phenyl rings was used to functionalize 30–50 % of the polymer chain. The degree of functionalization could be tuned by simply varying...

In this work, the synthesis and in-depth characterization of three sets of ultraviolet (UV)-curable diacrylate poly(ethylene glycol) (PEG) monomers containing sulfide/thioether, sulfoxide–sulfone, and methyl sulfonium groups are reported. Three series of solid polymer electrolytes are obtained by photopolymerization of each diacrylate monomer incor...

The design of smart photoelectrodes capable of stimulating the localized production of reactive oxygen species (ROS) on demand is of great interest for redox medicine therapies. In this work, poly(3-hexylthiophene)...

Electrodialytic conversion of lithium salts obtained from either hard-rock minerals or brines into high-value battery-grade lithium hydroxide is gaining traction as an alternative green technology. Current cation exchange membranes employed in Li-salt electrodialysis possess low selectivity towards Li and are dominated by polyfluoroalkyl polymer-ba...

Polyphenol or multihydroxybenzene compounds show great potential as electrode material for organic batteries. Among them, 1,2,3,4‐tetrahydroxybenezene is the best candidate as a high‐specific capacity material due to its potential to exchange up to four electrons. To further corroborate this, we synthesized a model compound and carry out electroche...

Perovskite solar cells (PSCs) are promising for high‐efficiency tandem applications, but their long‐term stability, particularly due to ion migration, remains a challenge. Despite progress in stabilizing PSCs, they still fall short compared to mature technologies like silicon. This study explores how different piperazinium salt treatments using iod...

Self‐healing materials solutions and rapid prototyping approaches are actively searched to improve the safety and the production processes of batteries at the gigascale. Here, a self‐reparable polymer electrolyte designed into 3D‐printable ink formulation for digital light processing is shown. For this purpose, covalent adaptable networks containin...

Due to the great source of raw materials, sodium-based batteries are emerging as a competitive technology in the field of energy storage to supplement the rising need for higher energy densities and storage capacities, currently sustained primarily by the well-established lithium-ion technology. Current sodium-based batteries share with lithium-ion...

Solid electrolyte composites between organic ionic plastic crystals (OIPCs) and polymers can potentially show enhanced mechanical properties and ion conduction. These properties can be determined by the formation of interfacial regions which affect the structure, thermal properties, and ion transport of the composite material. Here we studied the p...

Eutectogels, a rising category of soft materials, have recently garnered significant attention owing to their remarkable potential in various domains. This innovative class of materials consists of a eutectic solvent immobilized in a three-dimensional network structure. The use of eco-friendly and cost-effective eutectic solvents further emphasizes...

Polymer electrolytes with high ionic conductivity are actively searched for their application as solid electrolytes in lithium batteries. Here, we show new borate single lithium-ion conducting polymers with high ionic conductivity and lithium transference number values. For this purpose, eight new methacrylic lithium borate polymers were synthesize...

The use of ionic liquids (ILs) as corrosion inhibitors is gaining significant attention due to their attractive properties such as high inhibition efficiency and ability to absorb onto metal surfaces. In this work, six protic ILs, based on the coumarate anion in combination with the nitrogen containing ammonium, pyrrolidinium and imidazolium cation...

Multiresponsive hydrogels are valuable as biomaterials due to their ability to respond to multiple biologically relevant stimuli, i.e., temperature, pH, or reactive oxygen species (ROS), which can be present simultaneously in the body. In this work, we synthesize triple-responsive hydrogels through UV light photopolymerization of selected monomer c...

Organic cages offer numerous opportunities for creating novel materials suitable for a wide range of applications. Among these, energy-related applications are beginning to attract attention. We report here the synthesis of a [3 + 6] trigonal prismatic cage constituted by three redox-active dibenzotetraazahexacene subunits. Cathodes formulated with...

Injectable smart hydrogels possess various properties that enable the development of new minimally invasive approaches to avoid problems associated with traditional implants. Researchers in academia and industry will learn the range of synthetic strategies used to produce this emerging class of biomaterials. Clinicians will also be inspired by the...

Current cathode electrode processing of lithium-ion batteries relies on the conventional use of polyvinylidene fluoride (PVDF) as a binder, accompanied by the toxic solvent N-methylpyrrolidone (NMP). Within cathode materials, the LiNixMn1−x−yCoyO2 (NMC) families stand out as most promising candidates for the next generation of lithium-ion batteries...

Myocardial cardiopathy is one of the highest disease burdens worldwide. The damaged myocardium has little intrinsic repair ability, and as a result, the distorted muscle loses strength for contraction, producing arrhythmias and fainting, and entails a high risk of sudden death. Permanent implantable conductive hydrogels that can restore contraction...

Poly(ionic liquid)s combine the unique properties of ionic liquids (ILs) within ionic polymers holding significant promise for energy storage applications. We report here the synthesis and characterization of a new family of poly(ionic liquid)s synthesized from cationic piperazinium ionic liquid monomers. The cationic poly(acrylamide piperazinium)...

The integration of nanotechnology with photoredox medicine has led to the emergence of biocompatible semiconducting polymer nanoparticles (SPNs) for the optical modulation of intracellular reactive oxygen species (ROS). However, the need for efficient photoactive materials capable of finely controlling the intracellular redox status with high spati...

The mitigation of corrosion, especially in coastal regions, stands as a significant social concern necessitating the exploration of environmentally friendly materials. This study introduces phenol-based ionic polymers as both coatings and solution corrosion inhibitors for mild steel. Three methacrylated phenolic deep eutectic monomers (DEMs) bearin...

Block copolymers (BCPs) as solid electrolytes for batteries are usually designed to have an ion-solvating block for ion conduction and an ionophobic block for providing mechanical strength. Here, we show a novel solid polymer electrolyte (SPE) for sodium batteries based on a poly(vinyl benzoate)-b-poly(diallyldimethyl ammonium bis(trifluoromethanes...

This Perspective aims to present the current status and future opportunities for polymer science in battery technologies. Polymers play a crucial role in improving the performance of the ubiquitous lithium ion battery. But they will be even more important for the development of sustainable and versatile post-lithium battery technologies, in particu...

Soft matter bioelectronics represents an emerging and interdisciplinary research frontier aiming to harness the synergy between biology and electronics for advanced diagnostic and healthcare applications. In this context, a whole family of soft gels have been recently developed with self-healing ability and tunable biological mimetic features to ac...

Organic ionic plastic crystals (OIPCs) are promising materials for the development of solid-state electrolytes for next-generation energy storage devices with improved safety. Zwitterionic plastic crystals, in which the cationic and anionic groups are covalently bound, are a promising alternative to traditional OIPC-based electrolytes as they offer...

Organic electrochemical transistors (OECTs) are signal transducers offering high amplification, which makes them particularly advantageous for detecting weak biological signals. While OECTs typically operate with aqueous electrolytes, those employing solid-like gels as the dielectric layer can be excellent candidates for constructing wearable elect...

Emerging battery technologies such as solid-state sodium batteries can benefit from new polymer electrolytes with improved sodium ion transport to optimise electrochemical performance. In this work, we propose, for the first time, the use of polyelectrolyte blends utilising a dual cation approach with a common polyanion backbone, poly(1-[3-(methacr...

In this work, a new method of multi‐material printing in one‐go using a commercially available 3D printer is presented. The approach is simple and versatile, allowing the manufacturing of multi‐material layered or multi‐material printing in the same layer. To the best of the knowledge, it is the first time that 3D printed Poly(3,4‐ethylenedioxythio...

Therapeutic deep eutectic solvents (THEDES) are an emerging family of eutectic mixtures gaining increasing interest in the biomedical space. The immobilization of THEDES into polymer networks allows bioactive eutectogels to expand their application scope to topical drug delivery. Herein, this work presents the first set of elastomeric eutectogels c...

Solid polymer electrolytes that combine both a high lithium-ion transference number and mechanical properties at high temperatures are searched for improving the performance of batteries. Here, we show a salt-free all-polymer nanocomposite solid electrolyte for lithium metal batteries that improves the mechanical properties and shows a high lithium...

New material solutions are searched for the manufacturing and safety of current batteries. Herein, an extrusion printable polymer separator for lithium batteries based on single‐ion polymer electrolytes is presented. The polymer electrolytes are based on methacrylic polymeric nanoparticles (NPs) functionalized with a lithium sulfonamide group combi...

The increasing demands for sustainable energy storage technologies have prompted extensive research in the development of eco-friendly materials for lithium-ion batteries (LIBs). This research article presents the design of biobased latexes, which are fluorine-free and rely on renewable resources, based on isobornyl methacrylate (IBOMA) and 2-octyl...

Increased structural disorder was observed in the composites through DSC and only a slight improvement of ion conductivity was observed in the composite with 10 v% of polymer nanoparticles with respect to the neat OIPC.

Polymerizable deep eutectic solvents (PDES), also known as deep eutectic monomers, have emerged as a versatile materials platform for fabricating dry ionic conductive elastomers (ICEs). ICEs materials present numerous opportunities...

Cobalt and nickel are vital metals for the transition to a decarbonized society, currently in critical supply conditions to meet future demands. The recovery of those metals from secondary sources...

Proton exchange membranes (PEM) are s key component in electrolyzers and fuel cells for green hydrogen technologies. One important coming issue in these technologies is the need of reducing the...

Poly(3,4-ethylenedioxythiophene) doped with poly(styrene sulfonate) (PEDOT:PSS) is the conducting polymer with the biggest prospects in the field of organic (bio)electronics. However, new PEDOT (co)polymers are necessary with additional properties such...

In this work, we investigate the development of polymer electrolytes for sodium batteries based on sulfonamide functional polymer nanoparticles (NaNPs). The synthesis of the polymer NaNPs is carried out by...

With the emergence of environmental issues such as global warming as well as our new demand for efficient energy storage systems (EES) that can power portable electronics; batteries and supercapacitors are gaining more attention in the latest literature. Batteries can provide high energy density and lower power densities (e.g. for LIB, 1kW.kg-1 vs....

Capacitive deionization (CDI) is an energy-efficient and environmentally friendly deionization technology. However, the maximum desalination capacity of conventional carbon-based CDI systems is in the range of 5–25 mg g ⁻¹ , which compromises the use of this technology in practical applications [1]. Faradaic deionization (FDI) is a promising electr...

Reactive oxygen species (ROS) play a key role in several biological functions like regulating cell survival and signaling; however, their effect can range from beneficial to nondesirable oxidative stress when they are overproduced causing inflammation or cancer diseases. Thus, the design of tailor-made ROS-responsive polymers offers the possibility...

Tungsten microwires are commonly used in neuroscience for their high mechanical strength, flexibility, which allows tailoring them to brain and peripheral nerve implantations, and cost-effectiveness compared to other electrode materials. However, challenges such as high impedance and foreign body reactions limit their use as acute and chronic elect...

Underwater recording remains a critical challenge in bioelectronics because traditional flexible electrodes can not fulfill essential requirements such as stability and steady conductivity in aquatic environments. Herein, we show the use of elastic gels made of hydrophobic natural eutectic solvents as water-resistant electrodes. These eutectogels a...

Sodium-air batteries (SABs) are receiving considerable attention for the development of next generation battery alternatives due to their high theoretical energy density (up to 1105 W h kg-1). However, most of the studies on this technology are still based on organic solvents; in particular, diglyme, which is highly flammable and toxic for the unbo...

Organic materials have gained much attention as sustainable electrode materials for batteries. Especially bio-based organic electrode materials (OEMs) are very interesting due to their geographical independency and low environmental impact. However, bio-based OEMs for high-voltage batteries remain scarce. Therefore, in this work, a family of bio-ba...

The use of water‐soluble binders enables the transition to more sustainable batteries by the replacement of toxic N ‐methyl‐2‐pyrrolidone (NMP) by water. Herein, two new fluorine‐free poly(ionic liquid)s are proposed as binders for LiNi 0.8 Mn 0.1 Co 0.1 O 2 (NMC811) cathodes, based on poly(diallyldimethylammonium) (PDADMA) and two‐phosphate counte...

The development of new battery concepts, chemistries and fabrication processes is driven by the bloom of emerging applications in a variety of fields ranging from the Internet of Things to Smart Healthcare. Shape factor-free and shape-conformable power sources are highly desired for integration with complex-shape electronic devices. Herein, a new f...

Poly(vinylidene fluoride) (PVDF) is the most common binder for cathode electrodes in lithium-ion batteries. However, PVDF is a fluorinated compound and requires toxic N-methyl-2-pyrrolidone (NMP) as a solvent during the slurry preparation, making the electrode fabrication process environmentally unfriendly. In this study, we propose the use of carr...

Corrosion is a significant problem that negatively affects a wide range of structures and buildings, resulting in their premature failure, which causes safety hazards and significant economic loss. For this reason, various approaches have been developed to prevent or minimize the effects of corrosion, including corrosion inhibitors. Recently, bioba...

Organic inhibitor alternatives to toxic chromium treatments are being sought to protect metal surfaces. One of the limitations of the organic inhibitors is leaching out of the coatings limiting their performance. This work investigates the ionic attachment of coumarate inhibitors into a poly(ionic liquid), polyDADMA coumarate, and its application i...

The design of soft and nanometer-scale photoelectrodes able to stimulate and promote the intracellular concentration of reactive oxygen species (ROS) is searched for redox medicine applications. In this work, we show semiconducting polymer porous thin films with an enhanced photoelectrochemical generation of ROS in human umbilical vein endothelial...

Improved stability and efficiency of two-terminal monolithic perovskite-silicon tandem solar cells will require reductions in recombination losses. By combining a triple-halide perovskite (1.68 electron volt bandgap) with a piperazinium iodide interfacial modification, we improved the band alignment, reduced nonradiative recombination losses, and e...

In this work, the inhibition properties of new bio-based lignine ILs on the corrosion of mild steel in an aqueous solution of 0.01 M NaCl were investigated by Potentiostatic Electrochemical Impedance Spectroscopy (PEIS), Cyclic Potentiodynamic Polarization (CPP). Moreover, the surface was characterized using SEM, EDS, and optical profilometry. The...

Ca- and Mg-based batteries represent a more sustainable alternative to Li-ion batteries. However, multivalent cation technologies suffer from poor cation mass transport. In addition, the development of positive electrodes enabling reversible charge storage currently represents one of the major challenges. Organic positive electrodes, in addition to...

Functional inks for light based 3D printing are actively being searched for being able to exploit all the potentialities of additive manufacturing. Here we show a fast visible-light photopolymerization process of conductive PEDOT:PSS hydrogels. For this purpose, a new Type II photoinitiator system (PIS) based on riboflavin (Rf), triethanolamine (TE...

Recent studies have shown that p‐type polymeric semiconductors enable a new type of wireless, optically triggered interface with cells and tissues. Poly(3‐hexylthiophene‐2,5‐diyl) (P3HT) has already been used to create such optobioelectronic interfaces, producing reactive oxygen species and hydrogen peroxide that act as messengers in biological sys...

Solid composite electrolytes combining an ionic molecular phase to facilitate ion transport with a polymeric component to provide mechanical strength are promising material for solid-state batteries. However, the structure-property relationships of these complex composites are not fully understood. Herein we study composites combining the non-flamm...

Electrocardiography imaging (ECGi) is a non‐invasive inverse reconstruction procedure which employs body surface potential maps (BSPM) obtained from surface electrode array measurements to improve the spatial resolution and interpretability of conventional electrocardiography (ECG) for the diagnosis of cardiac dysfunction. ECGi currently lacks prec...

Poly(monothiocarbonate)s are an interesting class of sulfur‐containing materials whose application as solid polymer electrolytes was barely studied, certainly due to the elusive production of diversified polymer architectures. Herein, a new liquid CO2‐sourced bis(α‐alkylidene cyclic carbonate) monomer was designed at high yield to allow its one‐ste...

Eutectogels are an emerging family of soft ionic materials alternative to ionic liquid gels and organogels, offering fresh perspectives for designing functional dynamic platforms in water‐free environments. Herein, the first example of mixed ionic and electronic conducting supramolecular eutectogel composites is reported. A fluorescent glutamic aci...

Eutectogels are an emerging family of soft ionic materials alternative to ionic liquid gels and organogels, offering fresh perspectives for designing functional dynamic platforms in water‐free environments. Herein, the first example of mixed ionic and electronic conducting supramolecular eutectogel composites is reported. A fluorescent glutamic aci...

Deep Eutectic Solvents (DES) are a new class of ionic conductive compounds attracting significant attention as greener alternatives to costly ionic liquids. Herein, we developed novel mixed ionic-electronic conducting materials by simple mixing of poly(3,4-ethylenedioxythiophene)/poly(styrenesulfonate) (PEDOT:PSS) and various DES as additives. The...

There is an actual need for developing materials for wound healing applications with anti-inflammatory, antioxidant, or antibacterial properties in order to improve the healing performance. In this work, we report the preparation and characterization of soft and bioactive iongel materials for patches, based on polymeric poly(vinyl alcohol) (PVA) an...

Li-O2 batteries show high energy storage potential, but there remain many material challenges that must be solved to fully develop them into a robust technology. The reactivity of the electrolyte against lithium metal as the anode or with oxygen superoxide radicals in the cathode is the main problem that may be alleviated by the use of ionic liquid...

Ion transport in composite electrodes plays a key role in the electrochemical performance of lithium‐metal batteries (LMBs), particularly at high current densities, and hence, some works have suggested the use of ionic conducting polymers as binders. Herein, in order to assess the importance of the type of ion conduction in binders, two poly(ionic...

Energy storage will be a primordial actor of the ecological transition initiated in the energy and transport sectors. As such, innovative approaches to design high-performance electrode materials are crucial for the development of the next generation of batteries. Herein, a novel dual redox-active and porous polyimide network (MTA-MPT), based on me...