63,243 results match your criteria lithium


Lithium and sodium intercalation in a 2D NbSe bilayer-stacked homostructure: comparative study of ionic adsorption and diffusion behavior.

Phys Chem Chem Phys 2021 Sep 15;23(35):19811-19818. Epub 2021 Sep 15.

Institute of Atomic and Molecular Sciences, Academia Sinica, Taipei, Taiwan.

In this work, we probed the lithium and sodium intercalation properties in monolayer-stacked NbSe bilayer homostructure configurations for their potential application as anode materials in lithium and sodium ion batteries. Similar to known monolayer transition metal dichalcogenides, such as VS, the structural phase transition barrier of NbSe from 1H to 1T is strengthened by lithium and sodium adsorption, implying that it is robust under multiple charging and discharging processes. As multi-layer, stacked 2D materials are more relevant to experiments and their intended applications, four bilayer homostructure stackings were constructed based on the alignment of Nb and Se. Read More

View Article and Full-Text PDF
September 2021

Efficient electro-optical modulation on thin-film lithium niobate: erratum.

Opt Lett 2021 Sep;46(18):4601

In this erratum, we correct the corresponding results of our Letter [Opt. Lett.46, 1884 (2021)OPLEDP0146-959210. Read More

View Article and Full-Text PDF
September 2021

Broadly tunable, intracavity injection-seeded, hybrid optical parametric oscillator.

Opt Lett 2021 Sep;46(18):4502-4505

We report a novel, to the best of our knowledge, approach for injection seeding of pulsed optical parametric oscillators (OPOs), which can provide spectral control over the full tuning range. Bandwidth reduction down to single-mode operation is realized across the pulsed tuning range by deploying a hybrid design, where a continuous-wave (cw) OPO injection seeds the pulsed OPO in a single composite cavity. By exploiting two identical MgO-doped periodically poled lithium niobate crystals, the hybrid OPO provides signal pulses with a single-frequency linewidth as narrow as 7. Read More

View Article and Full-Text PDF
September 2021

The carrier transition from Li atoms to Li vacancies in solid-state lithium alloy anodes.

Sci Adv 2021 Sep 15;7(38):eabi5520. Epub 2021 Sep 15.

Beijing Key Laboratory of Green Chemical Reaction Engineering and Technology, Department of Chemical Engineering, Tsinghua University, Beijing 100084, China.

[Figure: see text]. Read More

View Article and Full-Text PDF
September 2021

Mixed Cationic and Anionic Redox in Ni and Co Free Chalcogen-Based Cathode Chemistry for Li-Ion Batteries.

J Am Chem Soc 2021 Sep 15. Epub 2021 Sep 15.

Department of Mechanical Engineering, Wayne State University, Detroit, Michigan 48202, United States.

Mixed cationic and anionic redox cathode chemistry is emerging as the conventional cationic redox centers of transition-metal-based layered oxides are reaching their theoretical capacity limit. However, these anionic redox reactions in transition metal oxide-based cathodes attained by taking excess lithium ions have resulted in stability issues due to weak metal-oxygen ligand covalency. Here, we present an alternative approach of improving metal-ligand covalency by introducing a less electronegative chalcogen ligand (sulfur) in the cathode structural framework where the metal d band penetrates into the ligand p band, thereby utilizing reversible mixed anionic and cationic redox chemistry. Read More

View Article and Full-Text PDF
September 2021

Regulating Li Plating and Stripping using Vertically Aligned Graphene/CNT Channels Decorated with ZnO Particles.

Chemistry 2021 Sep 15. Epub 2021 Sep 15.

Beijing University of Chemical Technology, College of Energy, 15 North Third Ring East Road, Chaoyang District, 100290, Beijing, CHINA.

Lithium (Li) metal is regarded as an ultimate anode material for use in Li batteries due to its high theoretical capacity (3860 mA h g-1). However, the Li dendrites that are generated during iterative Li plating/stripping cycles cause poor cycling stability and even create vital safety risks, and thus severely handicap the commercial utility of Li metal anodes. Herein, we describe a graphene- and carbon nanotube (CNT)-based Li host material that features vertically aligned channels with attached ZnO particles (designated as [email protected]) and show that the material effectively regulates Li plating and stripping. Read More

View Article and Full-Text PDF
September 2021

[Lithium use in women with bipolar disorder during peripartum].

Tijdschr Psychiatr 2021 ;63(7):557-564

Background: Lithium use during peripartum requires careful consideration due to a risk of teratogenic effects, adverse side effects and risk of neonatal complications. However, given the effectiveness of lithium, use during the peripartum period may be indicated.

Aim: To provide an overview of the current evidence regarding the clinical use of lithium during peripartum, including risk of relapse in case of (dis)continuation and evolution of lithium levels. Read More

View Article and Full-Text PDF
September 2021

Balanced capture and catalytic ability toward polysulfides by designing MoO-CoMoO heterostructures for lithium-sulfur batteries.

Nanoscale 2021 Sep 15. Epub 2021 Sep 15.

School of Chemical Engineering and Light Industry, Guangdong University of Technology, Guangzhou 510006, PR China.

Lithium-sulfur (Li-S) batteries, as the next generation of energy storage systems, are currently limited by insufficient capture ability and sluggish catalytic reaction kinetics, thus leading to serve the shuttle effect of lithium polysulfides (LiPSs). Realizing the accelerated conversion of polysulfides in the cathode host of Li-S batteries is an effective way to improve its coulombic efficiency. The essence of fast conversion relies on enhanced oxidation reaction kinetics by virtue of the metal catalyst, but the generation of various intermediates exacerbate the complexity of the system and perplex the perfect operation of batteries relying on only one catalyst. Read More

View Article and Full-Text PDF
September 2021

Engineering lithiophilic [email protected] interlayers on a garnet-type electrolyte for solid-state lithium metal batteries.

Chem Commun (Camb) 2021 Sep 15. Epub 2021 Sep 15.

College of Aerospace Engineering, Chongqing University, Chongqing 400044, China.

In this work, a lithiophilic [email protected] interlayer is engineered at the LiLaZrTaO (LLZTO) electrolyte and Li anode interface. The [email protected] interlayer can significantly reduce the interfacial resistance as well as give excellent cycling performance both in a symmetric Li//Li cell and solid full lithium metal batteries. Read More

View Article and Full-Text PDF
September 2021

Significant improvement of the lithium-ion conductivity of solid-state electrolytes by fabricating large pore volume hollow ZIF-8.

Dalton Trans 2021 Sep 15. Epub 2021 Sep 15.

College of Chemistry and Chemical Engineering, Inner Mongolia University, Hohhot 010021, P.R. China.

Metal-organic frameworks (MOFs) emerging as a type of functional material have been widely used in electrochemical energy storage and conversion in recent years. Hollow MOFs with a large pore volume and surface area can increase the contact area between active materials and electrolytes, thus improving the ionic conductivity of the materials. Herein, we obtained a kind of hollow MOF (ZIF-8) using carboxylate-terminated polystyrene microspheres as exterior templates. Read More

View Article and Full-Text PDF
September 2021

Acid leaching of LiCoO enhanced by reducing agent. Model formulation and validation.

Chemosphere 2021 Aug 25;287(Pt 1):132020. Epub 2021 Aug 25.

Department of Chemical Engineering, University of Malaga, Malaga, Spain.

In this work, a model has been formulated to describe the complex process of LiCoO leaching through the participation of competing reactions in acid media including the effect of HO as reducing agent. The model presented here describes the extraction of Li and Co in the presence and absence of HO, and it takes into account the different phenomena affecting the controlling mechanisms. In this context, the model predicts the swift from kinetic control to diffusion control. Read More

View Article and Full-Text PDF

Molten Salt Electrochemical Modulation of Iron-Carbon-Nitrogen for Lithium-Sulfur Batteries.

Angew Chem Int Ed Engl 2021 Sep 14. Epub 2021 Sep 14.

Wuhan University, College of Chemistry and Molecular Sciences, CHINA.

Sulfur hosts with rationally designed chemistry to confine and convert lithium polysulfides are of prime importance for high-performance lithium-sulfur batteries. A molten salt electrochemical modulation of iron-carbon-nitrogen is herein demonstrated as formation of hollow nitrogen-doped carbon with grafted Fe3C nanoparticles ([email protected]@Fe3C), which is rationalized as an excellent sulfur host for lithium-sulfur batteries. Fe3C over nitrogen-doped carbon contributes to enhanced adsorption and catalytic conversion of lithium polysulfides. Read More

View Article and Full-Text PDF
September 2021

A Coral-Like [email protected] Anode with Increasing Cycle Capacity for Sodium-Ion and Lithium-Ion Batteries Induced by Particle-Refinement.

Angew Chem Int Ed Engl 2021 Sep 14. Epub 2021 Sep 14.

Dalian Institute of Chemical Physics, Division of energy storage, Zhongshan Road 457, 116023, Dalian, CHINA.

Electrodes with higher Na + storage capability and cycling stability are vital to improve the energy density and rate capability of sodium ion batteries (SIBs). Herein, we present a coral-like FeP composite with FeP nanoparticles anchored and dispersed on a nitrogen-doped three-dimensional carbon framework ( [email protected] ). Due to the highly continuous N-doped carbon framework and a spring-buffering graphitized carbon layer around the FeP nanoparticle, the sodium ion battery with [email protected] composite can exhibit an ultra-stable cycling performance at 10 A g -1 with a capacity retention of 82. Read More

View Article and Full-Text PDF
September 2021

Lamotrigine in the maintenance treatment of bipolar disorder.

Cochrane Database Syst Rev 2021 Sep 15;9:CD013575. Epub 2021 Sep 15.

Department of Neuropsychiatry, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama, Japan.

Background: Bipolar disorder is a chronic mental disorder with repetitive mania/hypomania as well as depressive episodes, which eventually results in marked impairment in overall functioning and health-related quality of life.  A worldwide prevalence rate of 2.4% has been reported. Read More

View Article and Full-Text PDF
September 2021

Genuine divalent magnesium-ion storage and fast diffusion kinetics in metal oxides at room temperature.

Proc Natl Acad Sci U S A 2021 Sep;118(38)

College of Energy, Soochow Institute for Energy and Materials Innovations, Soochow University, Suzhou 215006, China;

Rechargeable magnesium batteries represent a viable alternative to lithium-ion technology that can potentially overcome its safety, cost, and energy density limitations. Nevertheless, the development of a competitive room temperature magnesium battery has been hindered by the sluggish dissociation of electrolyte complexes and the low mobility of Mg ions in solids, especially in metal oxides that are generally used in lithium-ion batteries. Herein, we introduce a generic proton-assisted method for the dissociation of the strong Mg-Cl bond to enable genuine Mg intercalation into an oxide host lattice; meanwhile, the anisotropic Smoluchowski effect produced by titanium oxide lattices results in unusually fast Mg diffusion kinetics along the atomic trough direction with a record high ion conductivity of 1. Read More

View Article and Full-Text PDF
September 2021

Design of the modified fractional central difference Kalman filters under stochastic colored noises.

ISA Trans 2021 Sep 2. Epub 2021 Sep 2.

Department of Automation, University of Science and Technology of China, Hefei, 230026, China. Electronic address:

For state estimation of discrete nonlinear fractional stochastic systems, this study presents two innovative modified fractional central difference Kalman filters. We consider a complicated scenario where the process noise or measurement noise in the system become colored noise. Firstly, the nonlinear function is linearized by utilizing the Stirling polynomial interpolation formula. Read More

View Article and Full-Text PDF
September 2021

Comparison of the residual cement on custom computer-aided design and computer-aided manufacturing titanium and zirconia abutments: A preliminary cohort study.

J Prosthet Dent 2021 Sep 11. Epub 2021 Sep 11.

Attending Doctor, Department of Prosthodontics, Chang Gung Memorial Hospital, Linkou Branch, Taoyuan City, Taiwan, ROC. Electronic address:

Statement Of Problem: Clinical studies comparing the occurrence and quality of residual cement between custom zirconia and custom titanium abutments with subgingival margins are scarce.

Purpose: The purpose of this clinical study was to assess the difference in the amount of residual cement between custom zirconia and titanium abutments with a 1-mm subgingival margin.

Material And Methods: Eighty participants were randomized to receive either a custom zirconia abutment with a bonded titanium insert or a custom titanium abutment with a 1-mm subgingival margin on a posterior bone-level implant. Read More

View Article and Full-Text PDF
September 2021

Hierarchical MnVO double-layer hollow sandwich nanosheets confined by N-doped carbon layer as anode for high performance lithium-ion batteries.

J Colloid Interface Sci 2021 Sep 4;607(Pt 1):538-545. Epub 2021 Sep 4.

MIIT Key Laboratory of Critical Materials Technology for New Energy Conversion and Storage, School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin 150001, PR China. Electronic address:

Binary transition metal oxides, especially vanadate metal oxides, are highly desirable for lithium-ion batteries (LIBs) anode materials due to their low-budget and high theoretical lithium storage capacity. However, low conductivity and poor cycle stability caused by volume changes during charge and discharge limit their grid-scale applications. Herein, a novel spinel MnVO double-layer hollow sandwich nanosheets enclosed in N-doped porous carbon layer (MnVO/NC) was efficiently synthesized in 5 min by microwave-assisted and in-situ pyrolysis the coated polydopamine. Read More

View Article and Full-Text PDF
September 2021

New Route to Battery Grade NaPF6 for Na-Ion Batteries: Expanding the Accessible Concentration.

Angew Chem Int Ed Engl 2021 Sep 14. Epub 2021 Sep 14.

Cambridge University, Chemistry, Lensfield Road, CB2 1EW, Cambridge, UNITED KINGDOM.

Sodium-ion batteries represent a promising alternative to lithium-ion systems. However, the rapid growth of sodium-ion battery technology requires a sustainable and scalable synthetic route to high-grade sodium hexafluorophosphate. This work demonstrates a new multi-gram scale synthesis of NaPF 6 in which the reaction of ammonium hexafluorophosphate with sodium metal in THF solvent generates the electrolyte salt with the absence of the impurities that are common in commercial material. Read More

View Article and Full-Text PDF
September 2021

A Randomized, Double-Blind, Controlled Trial of Lithium Versus Quetiapine for the Treatment of Acute Mania in Youth with Early Course Bipolar Disorder.

J Child Adolesc Psychopharmacol 2021 Sep 14. Epub 2021 Sep 14.

Department of Psychiatry and Behavioral Neuroscience, University of Cincinnati College of Medicine, Cincinnati, Ohio, USA.

To compare the efficacy and tolerability of lithium versus quetiapine for the treatment of manic or mixed episodes in youths with early course bipolar I disorder. Six-week, randomized, double-blind clinical trial of lithium versus quetiapine for the treatment of adolescents with acute manic/mixed episode. Target dose of quetiapine dose was adjusted to a target dose of 400-600 mg and target serum level for lithium was 1. Read More

View Article and Full-Text PDF
September 2021

Ultraviolet Light-Activated Charge Modulation Heterojunction for Versatile Organic Thin Film Transistors.

ACS Appl Mater Interfaces 2021 Sep 14. Epub 2021 Sep 14.

Department of Photonics, Advanced Optoelectronic Technology Center, National Cheng Kung University, Tainan 701, Taiwan.

Organic thin film transistors (OTFTs) are a promising technology for the application of photosensors in smart wearable devices. Light-induced electrical behavior of OTFTs is explored to achieve diverse functional requirements. In most studies, OTFTs show an increased drain current () under light irradiation. Read More

View Article and Full-Text PDF
September 2021

Efficient Polysulfide Trapping and Conversion on N-Doped CoTe via Enhanced Dual-Anchoring Effect.

Small 2021 Sep 14:e2102962. Epub 2021 Sep 14.

State Key Laboratory of Urban Water Resource and Environment, Harbin Institute of Technology, Harbin, 150001, China.

Polysulfide shuttling and sluggish sulfur redox kinetics hinder the cyclability and rate capability of lithium-sulfur (Li-S) batteries. The intrinsic redox kinetics of sulfur cathodes strongly depends on the interaction between catalysts and sulfur species. Herein, N-doped CoTe is proposed as an effective dual-anchoring electrocatalyst, which can simultaneously bind Li and S atoms in lithium polysulfides via ionic Te-Li/N-Li bonding and coordinate covalent Co-S bonding. Read More

View Article and Full-Text PDF
September 2021

Betulinic acid promotes the osteogenic differentiation of human periodontal ligament stem cells by upregulating EGR1.

Acta Biochim Biophys Sin (Shanghai) 2021 Sep 13. Epub 2021 Sep 13.

Department of Stomatology, Jing'an District Institute of Dantal Diseases, Shanghai 200040, China.

Periodontitis is one of the most common chronic inflammations of the oral cavity, which eventually leads to tooth loss. Betulinic acid (BetA) is an organic acid that has anti-inflammatory effects and is derived from fruits and plants, but its effect on the osteogenic differentiation of human periodontal ligament stem cells (hPDLSCs) is still unclear. This study aimed to explore the effect of BetA on the osteogenic differentiation of hPDLSCs and its mechanism. Read More

View Article and Full-Text PDF
September 2021

Synthesis and characterisation of two lithium-thiocyanate solvates with tetrahydrofuran: Li[SCN]·THF and Li[SCN]·2THF.

Dalton Trans 2021 Sep 14;50(35):12292-12300. Epub 2021 Sep 14.

Institute for Inorganic Chemistry, University of Stuttgart, Pfaffenwaldring 55, 70569 Stuttgart, Germany.

Li[SCN]·THF and Li[SCN]·2THF can be obtained from solutions of anhydrous Li[SCN] in tetrahydrofuran (CHO, THF). Both compounds are very hygroscopic and slowly decompose even at room temperature. At ambient conditions Li[SCN]·THF crystallizes in the monoclinic space group 2/ with the lattice parameters = 574. Read More

View Article and Full-Text PDF
September 2021

Stereoselective Synthesis of Hydrindane and Hydroazulene Derivatives by Transannular Cyclization of Nine- and Ten-Membered Carbocycles.

J Org Chem 2021 Sep 14. Epub 2021 Sep 14.

Centro Singular de Investigación en Química Biolóxica e Materiais Moleculares (CIQUS) and Departamento de Química Orgánica, Universidade de Santiago de Compostela, 15782 Santiago de Compostela, Spain.

Treatment of -fused bicyclic diene dicarboxylates with Li/naphthalene triggers a tandem ring-opening and transannular cyclization process that stereoselectively yields hydroazulenes and hydrindanes derivatives. Cyclononadienyl diesters, which can be isolated after the ring-opening step by judicious choice of the reaction conditions, undergo a tandem conjugate addition/intramolecular Michael addition upon treatment with chiral lithium amides to give bicyclic β-amino esters in a process where 4 contiguous stereocenters are formed with high diastereocontrol. A concise route toward the highly enantioenriched AEF ring core of the aconitine-type alkaloids has been developed as an application of this methodology. Read More

View Article and Full-Text PDF
September 2021

Coupling a Three-Dimensional Nanopillar and Robust Film to Guide Li-Ion Flux for Dendrite-Free Lithium Metal Anodes.

ACS Appl Mater Interfaces 2021 Sep 14. Epub 2021 Sep 14.

Department of Materials Science and Engineering, Shenzhen Key Laboratory of Interfacial Science and Engineering of Materials, Guangdong-Hong Kong-Macao Joint Laboratory for Photonic-Thermal-Electrical Energy Materials and Devices, Southern University of Science and Technology, Shenzhen, Guangdong 518055, P. R. China.

Lithium metal batteries with high theoretical capacity critically suffer from low cycling stability and safety issues mostly due to lithium dendrites. Regulating the Li-ion conduction and Li deposition is essential to achieve dendritic-free Li metal anodes. Herein, a synergistic strategy that combines a 3D nanocopper layer and a robust polymer protective layer is proposed. Read More

View Article and Full-Text PDF
September 2021

Immobilizing Redox-Active Tricycloquinazoline into a 2D Conductive Metal-Organic Framework for Lithium Storage.

Angew Chem Int Ed Engl 2021 Sep 14. Epub 2021 Sep 14.

Jinan University, Chemistry, 601 Huangpu Avenue W, 510632, Guangzhou, CHINA.

Heteroaromatic-conjugated aromatic molecules have inspired numerous interests in rechargeable batteries like Li-ion batteries, but were limited by low conductivity and easy dissolution in electrolytes. Herein, we immobilize a nitrogen-rich aromatic molecule tricycloquinazoline (TQ) and CuO 4 unit into a two-dimensional (2D) conductive Metal-Organic Framework (MOF) to unlock their potential for Li + storage. TQ was identified redox activity with Li + for the first time. Read More

View Article and Full-Text PDF
September 2021

An inorganic-rich SEI induced by LiNO additive for a stable lithium metal anode in carbonate electrolyte.

Chem Commun (Camb) 2021 Sep 14;57(73):9232-9235. Epub 2021 Sep 14.

Qingyuan Jiazhi New Material Research Institute Co. Ltd, Qingyuan, 511500, P. R. China.

The dissolution of LiNO in carbonate electrolytes is achieved by introducing pyridine as a new carrier solvent owing to its higher Gutmann donor number than NO. The Li metal anode in LiNO-containing carbonate electrolyte demonstrates a much enhanced reversibility due to the preferential reduction of LiNO and the formation of an inorganic-rich SEI. Read More

View Article and Full-Text PDF
September 2021

Evaluation of GaLiNdZrO garnets: exploiting dopant instability to create a mixed conductive interface to reduce interfacial resistance for all solid state batteries.

Dalton Trans 2021 Sep 13. Epub 2021 Sep 13.

School of Chemistry, University of Birmingham, Birmingham B15 2TT, UK.

The next major leap in energy storage is thought to arise from a practical implementation of all solid-state batteries, which remain largely confined to the small scale due to issues in manufacturing and mechanical stability. Lithium batteries are amongst the most sought after, for the high expected energy density and improved safety characteristics, however the challenge of finding a suitable solid-state electrolyte remains. Lithium rich garnets are prime contenders as electrolytes, owing to their high ionic conductivity (>0. Read More

View Article and Full-Text PDF
September 2021

Lithium titanate nanoplates embedded with graphene quantum dots as electrode materials for high-rate lithium-ion batteries.

Nanotechnology 2021 Sep 13. Epub 2021 Sep 13.

Shanghai Jiao Tong University, Shanghai 200240, Shanghai, 200240, CHINA.

Anode materials based on lithium titanate (LTO)/graphene composites are considered as ideal candidates for high-rate lithium-ion batteries (LIBs). Considering the blocking effects of graphene nanosheets in electrodes during ion-transfer processes, construction of LTO/graphene composite structures with enhanced electrical and ionic conductivity via facile and scalable techniques is still challenging for high-rate lithium-ion batteries. In this work, structures of anode materials based on LTO nanoplates embedded with graphene quantum dots (GQDs) are demonstrated for high-rate lithium-ion batteries. Read More

View Article and Full-Text PDF
September 2021