Lithium-ion battery electrodes contain a substantial amount of electrochemically inactive materials, including binders, conductive agents, and current collectors. These extra components significantly dilute the specific capacity whole thus have led to efforts utilize foils, for example, Al, as sole anode material. Interestingly, literature has many reports fast degradation Al electrodes, where less than dozen cycles can be achieved. However, in some studies, anodes demonstrate stable cycling...

Methane-producing bioelectrochemical systems (BESs) are a promising technology to convert renewable surplus electricity into the form of storable methane. One key challenges for this is search suitable cathode materials with improved biocompatibility and low cost. Here, we study heat-treated stainless steel felt (HSSF) its performance as biocathode. The HSSF had superior electrocatalytic properties hydrogen evolution compared untreated (SSF) graphite (GF), leading faster start-up...

Abstract Aluminum metal has long been known to function as an anode in lithium-ion batteries owing its capacity, low potential, and effective suppression of dendrite growth. However, seemingly intrinsic degradation during cycling made it less attractive throughout the years compared graphitic carbon, silicon-blends, more recently lithium itself. Nevertheless, with recent unprecedented growth battery industry, this review aims revisit aluminum material, particularly light important...

Aluminum (Al) has been an attractive anode candidate for lithium-ion batteries (LIBs) since the 1970s. While formation of β-LiAl is considered origin Li storage capability in Al anodes, multiple Li-Al phases are known to exist which have even greater lithium content, and most enriched phase offers twice theoretical specific capacity (ca. 2,000 mAh g−1-Al). These Li-rich often neglected field electrochemical energy they generally believed be only approachable at elevated temperatures. Here,...

Limitations of capacitive deionization (CDI) and future commercialization efforts are intrinsically bound to electrode stability. In this work, thermal treatments explored understand their ability regenerate aged CDI electrodes. We demonstrate that a relatively low treatment temperature ∼500 °C can sufficiently recover the lost salt adsorption capacity degraded Furthermore, systematic study replacement clarifies desalination loss regeneration for cell isolated anode, as expected....

Abstract Aluminum is an attractive anode material for lithium‐ion batteries (LIBs) owing to its low cost, light weight, and high specific capacity. However, utilization of Al‐based anodes significantly limited by drastic capacity fading during cycling. Herein, a systematic study performed investigate the kinetics electrochemical lithiation Al thin films understand mechanisms governing phase transformation, using operando microscopy platform. Operando videos reveal that nuclei appear at...

Lithium-ion batteries with aluminum anodes had appeared to resolve critical dendrite issues of lithium metal cells in the 1970s. However, poor cycling performance attributed would lead their obsolescence. In this work, we demonstrate how strategic thermal control circumvents problematic α/β phase transformations that yield life. Instead, electrochemical formation Li3Al2 and Li2–xAl phases necessitates temperatures slightly above ambient, as are key enablers for high capacity stable cycling....

Abstract Electrochemical capacitors (ECs) with high‐power capabilities and stable cycling can effectively improve the state of art in power delivery energy storage. In this study, we investigate reactively sputtered titanium nitride (TiN) electrodes on three‐dimensional (3D) substrates various electrolytes high‐rate conditions. The electrode exhibits stability negligible capacitance fading after 5 000 cycles a great rate capability, allowing (dis)charge to extend from 0.1 10 V s −1 retaining...

Al foil is an attractive anode candidate for Li-ion rechargeable batteries, but the systemic problem of fast capacity degradation limits its re-introduction in practical applications. Partial lithiation-delithiation does mitigate issue to a certain degree, cycle life still tied problems associated with phase transformation between β-LiAl and α-Al. Utilizing solubility range has been proven be feasible approach stabilize grown on foil, i.e., β-LiAl(Al) anode, electrochemically driven ion...

Sodium‐ion batteries (SIBs) are perhaps the most promising technology currently to fulfill requirements of large‐scale energy storage. Unlike lithium, sodium (Na) source is cost‐effective, abundant, and geographically evenly distributed. While hard carbon remains benchmark anode material in SIBs, its specific capacity limited by adsorption‐intercalation chemistry, necessitating exploration new alternatives meet increasing demands. Group IVA alloy elements exhibit interesting storage...

Gaseous molecules are an inherent byproduct of (electro-)chemical reactions in lithium-ion battery cells during both formation cycles and long-term operation. While monitoring gas evolution can help understand chemistry predict performance, the complex nature dynamics makes conventional mass spectrometry approaches insufficient for real-time detection. Here, we present a radically different methodology operando analysis batteries using optical fiber photothermal spectroscopy. By placing...

Aluminum is well-known to possess attractive properties for possible use as an anode material in Li-ion batteries (LIBs), but effort still needed understand how and why it degrades. Herein, investigations of the delithiation re-lithiation processes Al thin films using established operando light microscopic platform are pursued. Operando videos highlight that extraction Li from β phase (LiAl) accompanied by fracture crack formation leading detachment α (Al) rest electrode. The evolution...

The Al–Si–Li ternary phase formed<italic>in situ</italic>in an aluminium matrix and was reversibly cycled as a monolithic anode material.

The convergence of fiber optic sensing with lithium-ion batteries holds great promise for observing key cell parameters in real time, which is essential to every level decision making, from design and engineering finance management. Optical sensors based on Bragg gratings have recently been demonstrated as an ideal tool measuring these metrics sufficient temporal spatial resolution. In this work, we extend the use polymeric optical fibers notably greater thermal strain coefficients than...

Abstract The fast capacity degradation of silicon‐based anodes significantly limits the application in lithium‐ion battery (LIB) industries. Recently, Si−CuO composites have been reported as promising terms being cost‐effective and technically feasible, but improved cycle stability is still desired. This work introduces a proper amount NiO into via facile high‐energy ball‐milling method. study reveals that compared to binary Si‐CuO composites, Si−CuO−NiO samples less pronounced volume change...

In the race to increase lithium-ion cell manufacturing, labor and energy costs quickly ascend become chief concerns for building new facilities, as conventional electrode designs need significant resources during fabrication. Complicating this issue is an empirical trade-off between environmental friendliness ethical sourcing. To circumvent paradox, modified that employ foils textiles can significantly change manufacturing considerations if their simple construction be matched with...

This work successfully introduced the different ratios of metallic Cr into micrometer Si bulk via a high-energy ball-milling method to synthesize nanostructured Si/CrSi2 alloy anodes with enhanced electrochemical performance in lithium-ion batteries (LIBs). study demonstrated that situ-formed CrSi2 could effectively suppress generation crystalline Li3.75Si lithiation process, dilute Si's volume expansion, and improve electronic conductivity. Concretely, Si85Cr15 displayed an outstanding...

Among elemental semiconductors, tellurium (Te) exhibits unique mechanical and electromechanical properties due to its highly anisotropic crystal structure mixed interatomic bonding modes. A lack of experimental investigations these inhibits adoption in new applications both bulk form as well at the nanoscale. In this study, uniaxial tensile tests were conducted a scanning electron microscope (SEM) on [0001] orientated Te nanowires (NWs) with diameters ranging from 15 35 nm. An average...

Wetlands in the Prairie Pothole Region of North America are integrated with farmland and contain mixtures herbicide contaminants. Passive nonfacilitated diffusion is how most herbicides can move across plant membranes, making this perhaps an important process by which contaminants absorbed wetland vegetation. wetlands dominated native cattail (Typha latifolia) hybrid x glauca). The objective batch equilibrium study was to compare glyphosate absorption shoots rhizomes versus cattails....

Abstract Although capacitive deionization (CDI) technology has been studied intensively for more than 20 years, its commercialization remains in the initial stage, which is partly caused by insufficient knowledge exchange between academia and industry. This concept reviews multiple scaling‐up efforts CDI treating real water streams, following a case‐by‐case fashion. While cell architecture pilot scales limited to membrane CDI, highlighting necessary role of ion‐exchange components during...

Group IVA elements have aroused attention in sodium-ion batteries (SIBs) due to their Na-storage capability. Among them, Pb is less explored perhaps its perceived risks, but long-standing success Pb-acid should not be neglected. Together with the well-established recycling procedures, merits of warrant further investigations as a practical SIB anode. In this work, four intermetallic phases are detected during electrochemical sodiation Pb, which yields capacity ∼460 mAh·g −1 (∼1167 mAh·cm −3...

Group IVA elements exhibit interesting Na storage capabilities due to the success of their Li alloy analogues. However, beyond hard carbon, they remain poorly understood as anodes for sodium-ion batteries (SIBs). Here, kinetic investigations electrochemical sodiation Si and Ge are conducted using liquid electrolytes half-cell configurations. Sodiation is found be kinetically limited rather than thermodynamically limited. Either increasing temperature or decreasing rate can facilitate easier...

The dynamic movement of metastable ions at the surface aged anodes is illustrated to elucidate inversion effect.