Ander Orue

• PostDoc Position at CIC Energigune

The nickel-rich NMC955 (LiNi0.90Mn0.05Co0.05O2) cathode, with minimal cobalt, is the zenith of NMC technology but faces structural and thermal stability challenges, losing an average of 15 % of its capacity in the first discharge. Here, by selecting appropriate materials and synthesis methods in an all-solid-state battery cell, this challenge is ef...

The increasing demand for safe, highly efficient, and cost-effective energy storage systems has accelerated the development of solid-state batteries (SSBs) with lithium metal (LiM) anodes. This technology offers remarkable advantages over conventional lithium-ion batteries with liquid electrolytes; from improved safety with non-flammable electrolyt...

The replacement of conventional lithium‐ion batteries with solid‐state batteries is currently under investigation by many players both from academia and industry. Sulfide‐based electrolytes are among the materials that are regarded as most promising, especially for application in the transport sector. The performance of anode, cathode, and solid el...

The development of next-generation batteries relies on addressing critical challenges such as the formation of a robust and stable solid electrolyte interphase (SEI) as well as mitigating lithium dendrite propagation.

Despite the high ionic conductivity and attractive mechanical properties of sulfide-based solid-state batteries, this chemistry still faces key challenges to encompass fast rate and long cycling performance, mainly arising from dynamic and complex solid–solid interfaces. This work provides a comprehensive assessment of the cell performance-determin...

Sulfide electrolytes, including the argyrodite family (Li6PS5X, X = Cl, Br, I), exhibit high ionic conductivities and transference numbers and are regarded as promising electrolytes for all-solid-state lithium batteries. Although high ionic conductivity is a necessary requirement for feasible battery operation, other parameters are equally importan...

Self-standing carbon fiber electrodes hold promise for solid-state battery technology owing to their networked structures improving interparticle connectivity, robustness contributing to mechanical integrity, and surface sites confining Li dendrites. We here evaluate carbonized 3D electrospun fibers filled with polymer electrolytes as anodes in sol...

The walnut shell is an agro-waste that could be used as nanocellulose source. In the literature, different methods were used to isolate nanocrystals and depending on the method used, spherical or rod like nanocrystals were obtained. The novelty of the current study is the characterization of the crystallinity index, the thermal stability, and the c...

Self-standing carbon fiber electrodes hold promise for solid-state battery technology owing to their networked structures improving interparticle connectivity, robustness contributing to mechanical integrity, and surface sites confining Li dendrites. We here evaluate carbonized 3D electrospun fibers filled with polymer electrolytes as anodes in sol...

Solid-state lithium metal batteries (SSLMBs) are considered an auspicious technology to develop high energy density and safe energy storage devices. The double layer polymer electrolyte (DLPE) is a rational approach for engineering high-performance SSLMBs addressing electrolyte requirements with specifically designed polymers at the positive electr...

Enabling the fast charge and discharge of Li-metal solid-state batteries paves the way towards their deployment in electro-mobility applications, which require high-energy and power with safety guaranteed. Solid-state batteries using polyethylene oxide as the polymer matrix are appealing candidates although currently limited to relatively slow rate...

Anode-free batteries (AFB) have attracted increasing interest in recent times because they allow the elimination of the conventional anode from the cell, exploiting lithium inventory from a lithiated cathode. This implies a much simpler, cost-effective, and sustainable approach. The AFB configuration with liquid electrolytes is being explored widel...

Solid-state batteries are the holy grail for the next generation of automotive batteries. The development of solid-state batteries requires efficient electrolytes to improve the performance of the cells in terms of ionic conductivity, electrochemical stability, interfacial compatibility, and so on. These requirements call for the combined propertie...

With the aim to open new applications possibilities to novel biocomposites based on PLA/PMMA matrix and reinforced with sisal fibers, it was studied the effect of water immersion aging on biocomposite tensile properties. In the current study it was evidenced the importance of the annealing process and fiber/matrix adhesion on the mechanical perform...

In this work, polypropylene (PP)–clay nanocomposites obtained by melt blending were investigated. Different commercial montmorillonites (MMTs), such as unmodified MMT, octadecyl ammonium-modified MMT, and dimethyl dialkyl ammonium-modified MMT, have been used. Maleic anhydride–polypropylene (MAPP) copolymer has been used as a coupling agent, and th...

The main aim of this work is to study the importance of the coupling agent on tensile and thermomechanical performance of annealed composites based on poly (lactic acid)/poly (methyl methacrylate) matrix and sisal fiber bundles. As coupling agent poly (styrene-co-glycidyl methacrylate) copolymer was used. Results obtained in the current study sugge...

The development of a promising Li metal solid-state battery (SSB) is currently hindered by the instability of Li metal during electrodeposition; which is the main cause of dendrite growth and cell failure at elevated currents. The replacement of Li metal anode by spinel Li4Ti5O12 (LTO) in SSBs would avoid such problems, endowing the battery with it...

Carbon fibers reclamation from waste composites by pyrolysis is developing fast. Pyrolysis allows the reclamation of the fibers by thermal decomposition of the polymeric resin, but the material value of these resins is not yet recovered. In this research work, the possibility of obtaining high-value gaseous fractions by treating the vapors generate...

The interest on poly(lactic acid) (PLA)/poly(methyl methacrylate) (PMMA) blends has increased during the last years due to their promising properties. The novelty of the current work focuses on the preparation and characterization of biocomposites based on PLA/PMMA matrix and NaOH-treated sisal fibers. The effect of the addition of treated sisal fi...

There has been an exponential rise in the interest for waterborne polyurethanes (WBPU), due to the easy customizability of their properties and their ecofriendly nature. Moreover, their aqueous state facilitates the incorporation of hydrophilic reinforcements. Cellulose nanofibers (CNFs) have shown great potential, thanks to their renewability, lar...

In composite materials, two or more different components are combined to produce a new material with different characteristics from the individual components. In recent years, due to environmental concerns, the development of biocomposites based on natural fibers has attracted great interest of researchers. The mechanical properties of biocomposite...

Different amounts of walnut shell flour have been added to poly(lactic acid) polymer plasticized with 10 wt% epoxidized linseed oil to prepare biocomposites. The novelty of this work is the preparation and characterization of biocomposites based on alkali treated walnut shell flour and plasticized PLA matrix. Alkali treatment removed the major part...

The use of lignocellulosic fibers as reinforcement in polymer composites is attracting interest due to their properties such as mechanical properties and environmental benefits. Nevertheless, the hydrophilic character of lignocellulosic fibers reduces the compatibility with the hydrophobic matrices resulting in composites with poor mechanical prope...

Polylactide/poly(methyl methacrylate) blends with high polylactide content (100/0, 95/5, 90/10, 85/15, and 80/20 wt %) were prepared in presence of poly(styrene‐co‐glycidyl methacrylate) copolymer by reactive melt‐blending. The behavior of these blends was studied by torque monitoring while blending and the thermal properties, mechanical properties...

The aim of this work was to study the effect of annealing process on the thermo-mechanical properties of non-plasticized and plasticized composites as well as study the effect of treated sisal fibers addition on the crystallization process of poly(lactic acid) (PLA) and PLA/vegetable oils systems. After annealing process, the crystallinity degree a...

The aim of this work is to prepare a poly(lactic acid) (PLA) based formulation which shows better toughness than neat PLA and maintains similar tensile strength and modulus values. For this purpose, PLA was plasticized with epoxidized and non-epoxidized linseed and soybean oils and the effect of different plasticizers contents as well as the presen...

Cellulose nanocrystals (CNC) are isolated from office waste paper using an alkali solution and a subsequent acid hydrolysis process. The Fourier transform infrared spectroscopy and X-ray diffraction (XRD) results demonstrate that ink and fillers used in the papermaking industry are almost totally removed after alkali treatments. The XRD results sho...

The main aim of this work was to study the effect of sisal fiber surface treatments on water uptake behavior of composites based on untreated and treated fibers. For this purpose, sisal fibers were treated with different chemical treatments. All surface treatments delayed the water absorption of fibers only for a short time of period. No significan...

The main goals of this work were to study the effect of different chemical treatments on sisal fiber bundles tensile properties as well as on tensile properties of composites based on poly(lactic acid) (PLA) matrix and sisal fibers. For this purpose, sisal fibers were treated with different chemical treatments. After treating sisal fibers the tensi...

The main aims of this work were to study the effect of surface modifications on sisal fiber properties as well as on fiber/poly (lactic acid) (PLA) interface adhesion. For this purpose, alkali, silane and combination of both treatments were applied to sisal fiber. The effects of treatments on fiber thermal stability, fiber wettability, morphology,...

The goals of this work are to obtain thermoplastic starch (TPS) with different glycerol/water ratios, verify its characterization by different techniques, and study the influence of addition of cellulose nanofibers in the matrix of TPS. The general procedure for processing starchy materials involves granular alteration with the combination of tempe...