Mesoporous CuO particles threaded with carbon nanotubes are suggested as a novel class of nanocomposite material for high-performance anode in the lithium-ion batteries. The electrode exhibits highly reversible capacity (650 mA h g−1 at 0.1 C rate) and an excellent rate capability (580 5 C, 500 10 C). Detailed facts importance to specialist readers published "Supporting Information". Such documents peer-reviewed, but not copy-edited or typeset. They made available submitted by authors....

Three-dimensional porous silicon particles can be produced via the combination of a galvanic displacement reaction and metal-assisted chemical etching process. This simple synthetic route applied to make high-performance anode materials, including high specific capacity, stable cycling retention, rate capability, in lithium-ion batteries. Detailed facts importance specialist readers are published as "Supporting Information". Such documents peer-reviewed, but not copy-edited or typeset. They...

Under the surface: Ag nanoparticles are deposited onto surface of commercially available SiO particles, and subsequent chemical etching results in formation nanoporous without changing physical properties original SiO. Moreover, chemical-assisted thermal annealing produces a shape-preserving Si-based multicomponent system, which exhibits high-performance electrochemical properties.

Abstract Anode‐free Li metal batteries are one of the finest prospects for increasing energy density beyond that standard lithium‐ion batteries. Conversely, absence reservoir generates unwarranted volume expansion, permitting electrolyte depletion and rapid cathode capacity consumption. To address this issue, an anode‐free battery with ion‐conductive layer coated Cu current collector Ag/L in typical carbonate‐based electrolytes is presented. The ion‐conducting causes stable solid interphase...

In this paper, we present a new on-device automatic speech recognition (ASR) system based on monotonic chunk-wise attention (MoChA) models trained with large (> 10K hours) corpus. We attained around 90% of word rate for general domain mainly by using joint training connectionist temporal classifier (CTC) and cross entropy (CE) losses, minimum error (MWER) training, layer-wise pretraining data augmentation methods. addition, compressed our more than 3.4 times smaller an iterative hyper...

Abstract Recently, a consensus has been reached that using lithium metal as an anode in rechargeable Li‐ion batteries is the best way to obtain high energy density necessary power electronic devices. Challenges remain, however, with respect controlling dendritic Li growth on these electrodes, enhancing compatibility carbonate‐based electrolytes, and forming stable solid–electrolyte interface layer. Herein, groundbreaking solution challenges consisting preparation of 2 TiO 3 (LT) layer can be...

It is known that grafting one polymer onto another backbone a powerful strategy capable of combining dual benefits from each parent polymer. Thus amphiphilic graft copolymer precursors (poly(vinylidene difluoride)‐ ‐poly( tert ‐butylacrylate) (PVDF‐ g ‐PtBA)) have been developed via atom transfer radical polymerization, and demonstrated its outstanding properties as promising binder for high‐performance lithium‐ion battery (LIB) by using in situ pyrolytic transformation PtBA to poly(acrylic...

Abstract Rechargeable batteries have been a profoundly greater part of our lives than we could ever imagined. The rechargeable Li‐ion (LIBs) that developed for transport systems even put fossil fuels in the corner. However, state‐of‐the‐art with graphite anodes are now approaching their theoretical specific energy limits, so they cannot meet increasing demands range portable electronics and large‐scale storage systems. Li metal is one most promising anode materials break through density...

The combination of high‐capacity anodes and high‐voltage cathodes has garnered a great deal attention in the pursuit high‐energy‐density lithium‐ion batteries. As facile scalable electrode‐architecture strategy to achieve this goal, direct one‐pot decoration silicon (Si) anode materials LiCoO 2 (LCO) cathode is demonstrated with colloidal nanoparticles composed electroconductive antimony‐doped tin oxide (ATO). unusual ATO nanoparticle shells enhance electronic conduction LCO Si electrode...

Unter der Oberfläche: Ag-Nanopartikel werden auf Oberfläche kommerziell erhältlicher SiO-Partikel abgelagert, und die anschließende chemische Ätzung führt zur Bildung von nanoporösem SiO (siehe Bild) ohne Änderung chemischen physikalischen Eigenschaften im Vergleich zum ursprünglichen SiO. Chemisch unterstütztes Tempern des Materials ergibt ein Si-basiertes Mehrkomponentensystem mit sehr guten elektrochemischen Eigenschaften.

Data augmentation (DA) is ubiquitously used in training of Automatic Speech Recognition (ASR) models. DA offers increased data variability, robustness and generalization against different acoustic distortions. Recently, personalization ASR models on mobile devices has been shown to improve Word Error Rate (WER). This paper evaluates this context proposes persoDA; a method driven by user's utilized personalize ASR. persoDA aims augment with specifically tuned towards characteristics the...

Abstract In this paper, we study the joint distribution of cokernels random p -adic matrices. Let be a prime and let <m:math xmlns:m="http://www.w3.org/1998/Math/MathML"> <m:mrow> <m:msub> <m:mi>P</m:mi> <m:mn>1</m:mn> </m:msub> <m:mo>⁢</m:mo> <m:mo stretchy="false">(</m:mo> <m:mi>t</m:mi> stretchy="false">)</m:mo> </m:mrow> <m:mo>,</m:mo> <m:mi mathvariant="normal">…</m:mi> <m:mi>l</m:mi> <m:mo>∈</m:mo> <m:mi>ℤ</m:mi> <m:mi>p</m:mi> stretchy="false">[</m:mo> stretchy="false">]</m:mo>...

Down to the wire: Three-dimensional interconnected Si-based nanowires are produced through combination of thermal decomposition SiO and a metal-catalyzed nanowire growth process. This low-cost scalable approach provides promising candidate for high-capacity anodes in lithium-ion batteries.

Abstract We demonstrate multiscale patterned electrodes that provide surface‐area enhancement and strong adhesion between electrode materials current collector. The combination of structured collector active (anodes cathodes) enables us to make high‐performance Li‐ion batteries (LIBs). When LiFePO 4 (LFP) cathode Li Ti 5 O 12 (LTO) anode are combined with collectors, their electrochemical performances significantly improved, including a high rate capability (LiFePO : 100 mAh g −1 , 60 at...

The goal of this paper is two-fold: we generalize the arithmetic Chern–Simons theory over totally imaginary number fields studied in [H.-J. Chung, D. Kim, M. J. Park and H. Yoo, Arithmetic II, preprint (2016), arXiv:1609.03012v3; I, (2015) arXiv:1510.05818v4] to arbitrary (with real places) provide new examples non-trivial invariant with coefficient [Formula: see text] associated a non-abelian gauge group. main idea for generalization use cohomology compact support (see [17]) deal places....

In this paper, we study the distribution of cokernel a general random Hermitian matrix over ring integers <inline-formula content-type="math/mathml"> <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" alttext="script upper O"> <mml:semantics> <mml:mrow class="MJX-TeXAtom-ORD"> <mml:mi class="MJX-tex-caligraphic" mathvariant="script">O</mml:mi> </mml:mrow> <mml:annotation encoding="application/x-tex">\mathcal {O}</mml:annotation> </mml:semantics> </mml:math> </inline-formula> quadratic...

A nonvolatile semiconductor memory (NVSM) device with a metal-oxide-nitride-oxynitride-polysilicon (MONOS) structure on rough polysilicon (poly-Si) surface was fabricated using low-temperature process and poly-Si thin film transistor (TFT) technology glass. For the fabrication of NVSM glass, plasma-assisted oxynitridation carried out nitrous oxide (N2O) as reactive gas, due to very glass annealed an excimer laser. The ultrathin SiOxNy films obtained N2O plasma have uniform distribution...

Abstract We demonstrate a unique synthetic route for oxygen‐deficient mesoporous TiO x by redox–transmetalation process using Zn metal as the reducing agent. The as‐obtained materials have significantly enhanced electronic conductivity; 20 times higher than that of as‐synthesized 2 material. Moreover, electrochemical impedance spectroscopy (EIS) and galvanostatic intermittent titration technique (GITT) measurements are performed to validate low charge carrier resistance . resulting battery...

In this paper, we study the distribution of cokernels random $p$-adic matrices with fixed zero entries. Let $X_n$ be a $n \times n$ matrix over $\mathbb{Z}_p$ in which some entries are to and other i.i.d. copies variable $\xi \in \mathbb{Z}_p$. We consider minimal number required for cokernel converge Cohen--Lenstra distribution. When $\xi$ is given by Haar measure, prove lower bound its converse-type result using regular bipartite multigraphs. general variable, determine $M_n$ $k$-step...

Staying connected: Robust and interconnected CuO nanotube anodes were fabricated by a thermal oxidation process of spin-coated nanowire networks. The electrodes strongly adhered to the stainless steel foils exhibited high specific capacity (ca. 635 mAh g−1), stable cycling (capacity retention >99 % after 50 cycles), excellent rate capabilities (315 g−1 at 20 C rate). As service our authors readers, this journal provides supporting information supplied authors. Such materials are peer...