Open Access

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2021-05-11
13:33
OpenAccess [FZJ-2021-02134] Journal Article
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Kinetical threshold limits in solid-state lithium batteries: Data on practical relevance of sand equation
Data in Brief 34, 106688 - () [10.1016/j.dib.2020.106688]
The here shown data support the article “The Sand Equation and its Enormous Practical Relevance for Solid-State Lithium Metal Batteries”. [1] In this data set, all cells include the poly (ethylene oxide)-based solid polymer electrolyte (PEO-based SPE). [...]
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2021-05-11
13:32
OpenAccess [FZJ-2021-02133] Journal Article
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Enabling Mg‐Based Ionic Liquid Electrolytes for Hybrid Dual‐Ion Capacitors
Batteries & supercaps 4(3), 504 - 512 () [10.1002/batt.202000246]
We report on the reversible (de)intercalation of TFSI− anions from a Mg‐based ionic liquid electrolyte, Mg(TFSI)2 in Pyr14TFSI, in graphite urn:x-wiley:25666223:media:batt202000246:batt202000246-math-0001 activated carbon hybrid dual‐ion capacitor (DIC) cells. The role of different pseudo reference electrodes (PREs) including Ag‐wire and Li metal is discussed regarding the comparability of different battery cells. [...]
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2021-05-11
13:25
OpenAccess [FZJ-2021-02132] Journal Article
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On the Beneficial Impact of Li 2 CO 3 as Electrolyte Additive in NCM523 ∥ Graphite Lithium Ion Cells Under High‐Voltage Conditions
Lithium ion battery cells operating at high‐voltage typically suffer from severe capacity fading, known as ‘rollover’ failure. Here, the beneficial impact of Li2CO3 as an electrolyte additive for state‐of‐the‐art carbonate‐based electrolytes, which significantly improves the cycling performance of NCM523 ∥ graphite full‐cells operated at 4.5 V is elucidated. [...]
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2021-05-11
10:27

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2021-05-10
20:14
OpenAccess [FZJ-2021-02110] Journal Article
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Observation of Beam Spin Asymmetries in the Process e p → e ′ π + π − X with CLAS12
The observation of beam spin asymmetries in two-pion production in semi-inclusive deep inelastic scattering off an unpolarized proton target is reported. The data presented here were taken in the fall of 2018 with the CLAS12 spectrometer using a 10.6 GeV longitudinally spin-polarized electron beam delivered by CEBAF at JLab. [...]
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2021-05-10
20:08
OpenAccess [FZJ-2021-02109] Journal Article
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Measurement of the proton spin structure at long distances
Measuring the spin structure of protons and neutrons tests our understanding of how they arise from quarks and gluons, the fundamental building blocks of nuclear matter. At long distances, the coupling constant of the strong interaction becomes large, requiring non-perturbative methods to calculate quantum chromodynamics processes, such as lattice gauge theory or effective field theories. [...]
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2021-05-10
19:59
OpenAccess [FZJ-2021-02108] Journal Article
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Photoproduction of η mesons off the proton for 1.2 < E γ < 4.7 GeV using CLAS at Jefferson Laboratory
Photoproduction cross sections are reported for the reaction γp→pη using energy-tagged photons and the CLAS spectrometer at Jefferson Laboratory. The η mesons are detected in their dominant charged decay mode, η→π+π−π0, and results on differential cross sections are presented for incident photon energies between 1.2 and 4.7 GeV. [...]
OpenAccess: PhysRevC.102.065203 - Download fulltextPDF; 2006.01361 - Download fulltextPDF;

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2021-05-10
19:46
OpenAccess [FZJ-2021-02106] Journal Article
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Beam Spin Asymmetry in Semi-Inclusive Electroproduction of Hadron Pairs
A first measurement of the longitudinal beam spin asymmetry ALU in the semi-inclusive electroproduction of pairs of charged pions is reported. ALU is a higher-twist observable and offers the cleanest access to the nucleon twist-3 parton distribution function e(x). [...]
OpenAccess: 2010.09544 - Download fulltextPDF; PhysRevLett.126.062002 - Download fulltextPDF;

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2021-05-10
19:40
OpenAccess [FZJ-2021-02105] Journal Article
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Measurement of beam asymmetry for π − Δ + + photoproduction on the proton at E γ = 8.5 GeV
We report a measurement of the $\pi^-$ photoproduction beam asymmetry for the reaction $\vec{\gamma} p \rightarrow \pi^- \Delta^{++}$ using data from the GlueX experiment in the photon beam energy range 8.2--8.8 GeV. The asymmetry $\Sigma$ is measured as a function of four-momentum transfer $t$ to the $\Delta^{++}$ and compared to phenomenological models. [...]
OpenAccess: 2009.07326 - Download fulltextPDF; PhysRevC.103.L022201 - Download fulltextPDF;

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2021-05-10
19:33
OpenAccess [FZJ-2021-02104] Journal Article
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Differential cross sections for Λ ( 1520 ) using photoproduction at CLAS
The reaction γp→K+Λ(1520) using photoproduction data from the CLAS g12 experiment at Jefferson Lab is studied. The decay of Λ(1520) into two exclusive channels, Σ+π− and Σ−π+, is studied from the detected K+, π+, and π− particles. [...]
OpenAccess: PhysRevC.103.025206 - Download fulltextPDF; 2101.06134 - Download fulltextPDF;

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