Results 31 to 40 of about 11,337 (309)

Complex Hollow Structures of Cobalt(II) Sulfide as a Cathode for Lithium–Sulfur Batteries

open access: yesInternational Journal of Electrochemical Science, 2020
Lithium-sulfur batteries are considered the most promising candidates in the next generation of electrochemical energy storage because of their huge advantages in energy density, coulombic efficiency and price.
Miaomiao Li, Wangjun Feng, Xuan Wang
doaj   +1 more source

DC/DC converter to power spectral lamps

open access: yesРоссийский технологический журнал, 2023
Objectives. The paper describes the creation of a DC/DC converter for powering hollow cathode lamps widely used currently as highly stable sources of spectral lines in spectral absorption analyzers and other applications.
M. Yu. Nikolshin   +2 more
doaj   +1 more source

A Study of the Thermodynamics and Kinetics of LiₓFePO₄ as a Cathode Material for Li Batteries [PDF]

open access: yes, 2012
Olivine-type LiFePO4 has been recognized as one of the most promising cathode materials for rechargeable Li batteries. Its advantages include high capacity, high stability, nontoxicity, and low cost.
Tan, Hongjin
core   +1 more source

Electrolyte‐Induced Cu+ Preservation Results in a Selectivity Switch of Electrocatalytic CO2 Reduction at a Copper‐Organic Framework as Electrocatalyst

open access: yesAdvanced Functional Materials, EarlyView.
The active role of KCl as a neutral electrolyte enables switching the selectivity on a Cu organic framework from C1 to C2+ products during electrocatalytic CO2 reduction. ABSTRACT We introduce a copper‐nicotinate (Cu‐NA) framework as a halogenide‐stabilized Cu+/Cu0 pre‐catalyst for electrocatalytic CO2 reduction with high C2+ selectivity in a “neutral”
Anirudha Shekhawat   +11 more
wiley   +1 more source

Statistical analysis on hollow and core-shell structured vanadium oxide microspheres as cathode materials for Lithium ion batteries

open access: yesData in Brief, 2018
In this data, the statistical analyses of vanadium oxide microspheres cathode materials are presented for the research article entitled “Statistical analyses on hollow and core-shell structured vanadium oxides microspheres as cathode materials for ...
Xing Liang, Guohua Gao, Guangming Wu
doaj   +1 more source

Cobalt–nickel layered double hydroxide on hollow Co3S4/CuS derived from ZIF-67 for efficient overall water splitting

open access: yesMaterials Research Letters, 2022
Electrochemical water splitting is one of the most efficient strategies to generate clean energy H2. Herein, a novel hollow Co3S4/CuS@CoNi-LDH nanocomposite was designed.
Ge Li   +9 more
doaj   +1 more source

High Light Utilization and Color Rendering in Vacuum‐Deposited Semitransparent Perovskite Solar Cells

open access: yesAdvanced Materials, EarlyView.
In this work, low bandgap (≈1.55 eV) semitransparent perovskite solar cells (ST‐PSCs) having thin (thickness < ≈100 nm) perovskite layers and transparent conductive oxide‐based rear electrodes are fabricated using vacuum‐deposition methods. Two different ST‐PSCs demonstrated a high light utilization efficiency value of 4.2 (PCE: 9.26% and AVT: 45.3 ...
Abhyuday Paliwal   +9 more
wiley   +1 more source

Externally Heated Hollow Cathode Arc Plasma Source for Experiments in Plasma Wakefield Acceleration

open access: yesInstruments, 2019
An externally heated, hollow cathode arc source was recommissioned at UCLA for use in experiments to drive plasma wakefields with shaped beams at the Argonne Wakefield Accelerator.
Ryan Roussel   +9 more
doaj   +1 more source

POM‐Based Water Splitting Catalyst Under Acid Conditions Driven by Its Assembly on Carbon Nanotubes

open access: yesAdvanced Materials, EarlyView.
A newly‐engineered POM‐based electrocatalyst incorporating non‐innocent counter cations exhibits fast kinetics for either the OER or HER under strongly acidic conditions (1 m H2SO4), depending on whether it is assembled on carbon nanotubes (1@CNT) or physically mixed with them (1/CNT). In water‐splitting tests using a two‐electrode setup, these systems
Eugenia P. Quirós‐Díez   +8 more
wiley   +1 more source

Thermionic orificed hollow cathode database

open access: yes, 2020
First release of the cathode ...
Pierre-Yves Taunay
core   +1 more source

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