Results 1 to 10 of about 6,363 (168)
Selecting the Degree of Partial Lithiation for Preventing Fracture in Si Micoparticles
Batteries, 2023 The limiting aspect in commercializing Si-based anodes is the fractures they undergo during lithiation and de-lithiation. Experimental and theoretical studies have shown that this fracture is minimized when the particle size is reduced below 100 nm ...
Bo Wang, Pu Hu, Katerina E. Aifantis
doaj +1 more source
Review and Stress Analysis on the Lithiation Onset of Amorphous Silicon Films
Batteries, 2023 This work aims to review and understand the behavior of the electrochemical lithiation onset of amorphous silicon (a-Si) films as electrochemically active material for new generation lithium-ion batteries.
Kai Zhang +4 more
doaj +1 more source
C/SiC-based anodes for lithium-ion current source [PDF]
Электрохимическая энергетика, 2023 Compositions of ultrafine Si and C particles are promising anode materials for lithium-ion power sources with improved energy characteristics. In the work, samples of lithium-ion power sources with an anode made of ultrafine SiC fibers, as well
Leonova, Nataliya Maksimovna +5 more
doaj +1 more source
Molecules, 2023 The cobalt bis(dicarbollide)(1−) anion (1−), [(1,2-C2B9H11)2-3,3′-Co(III)](1−), plays an increasingly important role in material science and medicine due to its high chemical stability, 3D shape, aromaticity, diamagnetic character, ability to penetrate ...
Lucia Pazderová +5 more
doaj +1 more source
Real Time Observation of Lithium Insertion into Pre-Cycled Conversion-Type Materials
Nanomaterials, 2021 Conversion-type electrode materials for lithium-ion batteries experience significant structural changes during the first discharge–charge cycle, where a single particle is taken apart into a number of nanoparticles.
Sooyeon Hwang, Dong Su
doaj +1 more source
2-Diphenylphosphinomethyl-3-methylpyrazine
Molbank, 2021 The lateral metalation-electrophilic trapping reaction of alkyl-substituted pyrazines has always been challenging and poorly regioselective, with the corresponding derivatives often being isolated in moderate yield.
Tiziana Boccuzzi +6 more
doaj +1 more source
Allylic alcohols and amines by carbenoid eliminative cross-coupling using epoxides or aziridines
Beilstein Journal of Organic Chemistry, 2021 α-Lithiated terminal epoxides and N-(tert-butylsulfonyl)aziridines undergo eliminative cross-coupling with α-lithio ethers, to give convergent access to allylic alcohols and allylic amines, respectively.
Matthew J. Fleming, David M. Hodgson
doaj +1 more source
Nucleic Acids Symposium Series, 2000 Upon treatment with LTMP, 5'-O-protected D4T undergoes deprotonation of the vinylic proton (H-3' or H-2'): when 5'-O-silyl derivative was used, the 3'-C-silylated product was formed as a result of C3'-lithiation and subsequent O-->C silyl migration, while deprotonation at the 2'-position led to the formation of an allene derivative.
H, Kumamoto, H, Tanaka
openaire +2 more sources
Molecules, 2021 The reaction of a diene nitroxide precursor with dichlorophenylphosphine in a McCormac procedure afforded 1,1,3,3-tetramethyl-5-phenyl-1,2,3,4,5,6-hexahydrophospholo[3,4-c]pyrrole-5-oxide-2-oxyl.
Mostafa Isbera +5 more
doaj +1 more source
Communications Materials, 2023 Silicon has attracted considerable attention for use as high-capacity anodes of lithium-ion microbatteries. However, its extreme volume change upon (de-)lithiation still poses a challenge for adoption as it leads to severe active lithium loss that ...
Andam Deatama Refino +13 more
doaj +1 more source