Composites consisting of garnet-type Li7La3Zr2O12 (LLZO) ceramic particles dispersed in a solid polymer electrolyte based on poly(ethylene oxide) (PEO) have recently been investigated as possible material all state Li ion batteries. The interface between the two materials, that is, LLZO/PEO, is special interest for transport lithium ions composite. For obtaining desired high ionic conductivity, Li+ to pass easily across this interface. However, previous research found highly resistive. Here,...

Abstract The hybrid solid‐liquid electrolyte concept is one of the best approaches for counteracting interface problems between solid electrolytes and Li anodes/cathodes. However, a layer forming at interfaces degrades battery capacity power during longer cycle due to highly reactive chemical electrochemical reactions. To solve this problem in present study, synthetic approach demonstrated by combining AlCl 3 Lewis acid fluoroethylene carbonate as additives conventional LiPF 6 ‐containing...

Model systems for electrochemical impedance spectroscopy (EIS) studies of solid-state electrolytes based on ceramic lithium ion conductor Li7La3Zr2O12 (LLZO) and polymer electrolyte P(EO)20-LiClO4 are investigated the first time. The aim present study is to identify quantify transition resistance ceramic/polymer interface. Symmetrical model consisting LLZO pellets with sheets manufactured in detail. In such symmetric we observed an additional ion-transfer process, which attributed interface...

A plastic crystalline electrolyte (PCE) consisting of 0.4 mol/L lithium bis(trifluoromethanesulfonyl)imide (LiTFSI) in succinonitrile (SN) was blended with poly(ethylene oxide) (PEO), poly(vinylpyrrolidone) (PVP), carbonate) (PEC), and polyacrylonitrile (PAN). The influences the regarding polymers on thermomechanical properties PCE were studied systematically, utilizing differential scanning calorimetry, thermogravimetric analysis, oscillation experiments. Depending chosen polymer, melting...

Li7La3Zr2O12 (LLZO) and related compounds are considered as promising candidates for future all-solid-state Li-ion battery applications. Still, the processing of those materials into thin membranes with right stoichiometry crystal structure is difficult laborious. The sensitivity conductive garnets against moisture associated Li+/H+ cation exchange makes their even more difficult. Formulation suitable polymer/ceramic hybrid solid state electrolytes could be a prosperous way to reach large...

Thermal runaways induced by parasitic reactions are one of the greatest intrinsic risks for lithium-ion batteries. Therefore, thermal stability electrolyte in contact with electrode materials is utmost importance safe battery usage. While solid state electrolytes said to be safer than liquid ones, appropriate data about their nearly completely missing literature. To fill this gap, thermogravimetric analysis and differential scanning calorimetry coupled mass spectrometry was used analyze...

Abstract Layered double hydroxides (LDH) have shown to improve the zinc electrodeposition efficiency at negative electrode of aqueous zinc‐ion batteries. In this work, a copper‐doped Zn−Al−CO 3 layered hydroxide has been synthesized by co‐precipitation method under constant pH, and investigated as suitable solid‐state additive in zinc‐based electrodes. X‐ray diffraction patterns combination with scanning electron microscope images show that as‐synthesized LDHs are well crystalline hexagonal...

For all-solid-state batteries, the particle size distribution of solid electrolyte is a critical factor. Small particles are preferred to obtain high active mass loading cathode material and small porosity in composite cathodes. In this work, influence fraction wet-chemical synthesis β-Li3PS4 tetrahydrofuran (THF) investigated. The varied between 50 200 mg/mL, obtained samples evaluated using X-ray diffraction, SEM electrochemical impedance measurements. sizes resulting show significant...

Mechanical and electrochemical stability are key issues for large-scale production of solid state Li-ion batteries. Polymer electrolytes can provide good ionic conductivity, but mechanical strength needs to be improved. In this study, we investigate the correlation electrical properties poly (ethylene oxide) (PEO)-based The influence alumina LiClO4 addition investigated. Differential scanning calorimetry (DSC) is used study thermal behavior salt-free salt-containing samples identify melting...

While some promising materials for all-solid-state batteries are already extensively investigated in a lab scale, the transferability to mass production is still limiting factor. β-lithium thiophosphate (β-Li3PS4) has good ionic conductivity and can be synthesized wet-chemically, which opens up possibility scale-up. For safe upscaling, enthalpies of synthesis steps need examined order handle exothermic endothermic processes. Here, reaction wet-chemical β-Li3PS4 tetrahydrofuran (THF)...

We report a new process technique for electrode manufacturing all solid-state batteries. Porous electrodes are manufactured by tape casting and subsequently infiltrated plastic crystal polymer electrolyte (PCPE). With following isostatic lamination process, the PCPE was further integrated deeply into porous layer, forming composite electrode. The comprises succinonitrile (SN), lithium conductive salt LiTFSI polyacrylonitrile (PAN) exhibits suitable thermal, rheological (ƞ = 0.6 Pa s @ 80 °C...

New energy systems such as all-solid-state battery (ASSB) technology are becoming increasingly important today. Recently, researchers have been investigating the transition from lab-scale production of ASSB components to a larger scale. Poly(ethylene oxide) (PEO) is promising candidate for large-scale polymer-based solid electrolytes (SPEs) because it offers many processing options. Hence, in this work, thermal route PEO-Lithium bis(trifluoromethylsulfonyl)imide (LiTFSI) SPE ratio 20:1...

A LiMn2O4 (LMO) containing three-dimensional composite cathode was prepared by impregnation of carbon fiber paper with the oxide precursor sol. The sol consisted corresponding metal acetates, instead nitrates in order to prevent evolution nitrous gases during calcination. Poly(vinylpyrrolidone) served as chelating agent, which allows for a homogeneous distribution ions Carbon soaked and dried repeatedly up desired filling grade. After gelation sol, gel converted LMO at 450°C. At this...

All-solid-state battery (ASSB) technology is a new energy system that reduces the safety concerns and improves performance of conventional lithium-ion batteries (LIB). The increasing demand for such systems makes transition from laboratory scale production ASSB components to larger essential. Therefore, this study investigates dry extrusion poly(ethylene oxide):lithium bis (trifluoromethylsulfonyl)imide (PEO:LiTFSI) all-solid-state electrolytes at ratio 20:1 (EO:Li). We investigated...

The transition from conventional lithium-ion batteries to all-solid-state (ASSBs) offers the potential for higher energy and power densities. One promising material solid-state electrolytes is crystalline β-Li3PS4, which can be synthesized using a wet-chemical route. choice of solvent in this synthesis process plays crucial role terms safety, efficiency, economic, environmental impact. In study, we conducted preselection by evaluating various solvents considering their thermal properties,...

Autonomous self-powered devices may use energy harvested from the environment. However, both power, and demanded power are typically nonconstant not matching. In order to enable a sustained efficient operation, an storage device as buffer is needed. general, electric can be directly stored in capacitors or through electrochemical conversion batteries, which provide significantly higher specific energy. Numerous different battery chemistries commercially available differ their...

Abstract Solid-state batteries are considered the next step in battery technology. Materials investigated for application as solid-state electrolytes mainly oxide ceramics, sulfidic (glass-) and polymers. Besides these, another class of solid with promising properties is based on plastic crystals. Especially due to their waxy behavior, they promise good interfaces within a battery. In this work, new crystal, 2-adamantanone, basis electrolyte first time. Its large temperature window from − 95...

Abstract The front cover artwork is provided by Universität Bremen, Energy Storage and Conversion Research Group Innovative Sensor Functional Materials Group. image shows how layered double hydroxides can contribute to the improvement of performances zinc anode in aqueous zinc‐ion batteries for short‐term storage renewable energies. Read full text Article at 10.1002/celc.201800291 .

Regarding the increased number of small electronic appliances, miniaturized energy storage devices currently receive much attention in different markets. One most important and still growing fields application is Internet-of-Thing (IoT), where small, reliable, self-powered systems enable new functions for private professional users. Another exciting issue addressed to consumer electronics. Currently, this scope strongly influenced by persisting trend wearable Since these became part everyday...