Abstract Graphite is used commercially as the active material in lithium ion batteries, frequently part of a graphite/SiO x composite. conjunction with SiO to overcome limited energy density graphite, and lessen adverse effects volume expansion Si. However, electrodes based on composites can be made only 3–5 wt % because increased failure higher contents. Here, we developed new polymer binder, by combining dopamine-grafted heparin commercial binder carboxymethyl cellulose (CMC)/styrene...

Water solvation plays a critical role in wide range of electrochemical transformations, but its is often convoluted since water typically used as both solvent and proton source. Here, we experimentally control speciation activity using aprotic media during the carbon monoxide reduction reaction (CORR). Remarkably, show that solvents support microheterogeneous water-water clusters lead to significant amounts CORR products (methane ethylene) with maximum ethylene Faradaic efficiency 22%...

A hierarchical power distribution network (PDN) consists of chip, package, and printed circuit board (PCB) level PDNs, as well various structures such via, ball, wire bond interconnections, which connect the different PDNs. When estimating simultaneous switching noise (SSN) generation evaluating PDN designs, impedance calculation is an efficient criterion. In this paper, we introduce two new kinds modeling approaches that are exceptionally suited to improving accuracy estimation, especially...

The concept of a self-generated coating on LiCoO2 that does not require any additional cost-consuming precursors has been proposed by combination simple processes, water washing and heat-treatment. Surface impurities, such as carbonate hydroxide, the surface are finely controlled during process. improves electrochemical performance when both heat-treatment used, whereas each individual process is effective. changes analyzed to elucidate mechanism using X-ray photoelectron spectroscopy, FT-IR...

We studied the atomic layer deposition (ALD) of titanium oxide (TiO 2 ) thin films using a newly developed heteroleptic precursor with linked ligand.

Water solvation plays a critical role in wide range of electrochemical transformations, but its is often convoluted since it typically used as both solvent and proton source. Here, we experimentally control water speciation activity using aprotic media during carbon monoxide reduction reaction (CORR). Remarkably, show that solvents support microheterogeneous water-water clusters leads to significant amounts CORR products (methane ethylene) with maximum ethylene Faradaic efficiency 22%...

Lithium-ion batteries (LIBs) have matured as a technology and serve power sources in wide range of applications. Nonetheless, emerging applications, represented by electric vehicles, been imposing ever-challenging criteria with regard to the key electrochemical properties. Low-resistance anodes are highly desired for high-power supercharging capabilities LIBs, these properties collectively determined electrolyte composition electrode binder. Here, we report use glycerol an additive...

Fluoroethylene carbonate (FEC) was studied as an additive for the electrolyte in lithium ion batteries with LiNi0.5Mn1.5O4 (LNMO) spinel cathode operating at a high potential beyond 4.7 V (vs. Li/Li+). It found that FEC electrochemically active 1st charge cycle on LNMO cathode. The presence of large amount (more than 40 vol%) caused severe side reactions abnormally long voltage plateaus. In contrast, when contained less 30 vol% , surface stabilized by formation solid-electrolyte interphase...

Developing high‐rate Li metal batteries (LMBs) is challenging because of dendrite growth and irreversible parasitic reactions the metal. Herein, a robust highly ion‐conductive solid electrolyte interphase (SEI) layer designed on anode Ni‐rich layered cathode by incorporating chloroethylene carbonate (ClEC) as an additive in fluoroethylene carbonate‐based electrolytes. ClEC induces formation LiCl, which facilitates Li‐ion diffusion LiF‐rich SEI layer, thereby improving cycle stability...

Coverage feedback is one of the key mechanisms for improving effectiveness fuzzers by measuring and comparing executed code regions while processing input data. In general, such guidance should always improve performance to better find unexplored regions. However, proprietary systems with uncommon I/O interfaces (e.g., UAV system, IoT devices, satellite firmware) require extensive engineering/porting efforts apply coverage support in developing their fuzzing platform. this paper, we evaluate...

As the effects of climate change are becoming increasingly visible, carbon dioxide electroreduction reaction (CO2RR) is gaining popularity to convert waste value-added products. monoxide (CO) a key intermediate for valuable products such as methane and ethylene, CORR studied bypass CO 2 activation. Most work on CO2RR has focused using water proton source water’s hydrogen bonding supports intermediates acts hydrogenated Using nonaqueous solvents instead decreases competitive evolution (HER)...

A method to calculate equivalent inductances of multiple vias in arrays has been proposed. The applied the modeling a hierarchical power bus and validated by measurements. It is accurate at frequencies lower than cavity resonant frequencies.

Aqueous rechargeable lithium-ion batteries (ARLBs) have garnered substantial attention for their desirable properties of safety, environmental compatibility, and rapid ion-transport in the electrolyte compared with organic batteries. However, low energy density ARLBs poor electrochemical stability aqueous are critical limitations. A proposed means improving is fabrication thick electrodes, wherein fraction active material increased that inactive decreased without modifying structure...

In this paper, an on-chip eye opening monitor circuit has been proposed with 4ps time and 4mv voltage resolutions for analyzing signal integrity of high speed channel. The can detect the maximum 6.4Gbps data rate give diagrams depending on channel conditions. performance was verified by using a general spice simulations showed variations diagram 6.4 Gbps random when on-die terminations changed from 50 ohm to 80 ohm.

We present the effect of reference plane change signal traces on cavity noise generation and quality deterioration. Also, efficiency differential signaling in reducing power alleviation integrity deterioration, which are caused by power/ground resonance, investigated with analytical coupling model measurement.

In this paper, we show the advantages of 3-D stacked through silicon via (TSV) in high chip density package aspect wideband and low power distribution network (PDN) impedance. We selected large size (80 μm) pitch (200 TSV with thick substrate (Si, 80 μm, ratio =1) for on-chip PDN, compared two total PDN impedances a TSVs wire-bondings depending on number chips from 2 to 10 single package. impedance includes capacitance inductance 20 mm × substrate. shows same has lower levels wide bandwidth...

Fluoroethylene carbonate (FEC) was studied as an additive for the electrolyte in lithium ion batteries with LiNi0.5Mn1.5O4 (LNMO) spinel cathode operating at a high potential beyond 4.7 V (vs. Li/Li+). It found that FEC electrochemically active 1st charge cycle on LNMO cathode. The presence of large amount (more than 40 vol%) caused severe side reactions abnormally long voltage plateaus. In contrast, when contained less 30 vol% , surface stabilized by formation solid-electrolyte interphase...

Abstract Although the reliability of flexible electronics during bending deformation is great interest nowadays, mechanical that has mainly been investigated single electronic components or simple devices, such as metal interconnect, transparent conductive electrode, thin-film rather than real package sample having complex structure and various materials. This study systematically Si consisting die, polymer bump, substrate, by using individual resistance monitoring line, bump array, total...

We propose a matrix substitution method for analyzing power bus containing island in high-speed packages and printed circuit boards (PCBs). The is based on segmentation resonant cavity model rectangular cavity, the impedance of can be calculated analytically. Finally, proposed verified by means measurements frequency domain.

SiP (System-in-Package) solution realizes an extremely small sized system which is suitable for mixed-signal mobile applications. However, integration of digital and RF dies with a number interconnections between them within limited area can cause noise coupling from circuits to circuits. In this paper, fully operating T-DMB (Terrestrial Digital Multimedia Broadcasting) implemented in form 3-D (three-dimensional) by stacking dies, on series design methodologies improve the isolation level...

In this paper, die-to-die vertical coupling between clock tree and spiral inductor in three-dimension (3-D) IC is analyzed, equivalent circuit model for analysis of mechanism proposed. Analysis modeling are verified by measurement results a designed fabricated test vehicle. The vehicle has two stacked dies with or inductor.

Abstract Phase‐pure O‐deficient Ca 2 Mn O 5 as an electrocatalyst for oxygen evolution reaction (OER) in alkaline media is prepared under mild conditions via reductive annealing (350 °C, 5% H /Ar) of CaMnO 3 which derived by sol‐gel processing a HNO solution CaCO , Mn(NO ) and citric acid (80 h).

In this paper, the timing superposition method and mode-impedance have been proposed verified by TDR/TDT simulation for crosstalk analysis in differential transmission pairs. The modeled waveforms two cases show a good correlation with original waveforms.