Lithium selenide - Wikipedia
网页Lithium selenide is an inorganic compound that formed by selenium and lithium. It is a selenide with a chemical formula Li 2 Se. Lithium selenide has the same crystal form as other selenides, which is cubic, belonging to the anti-fluorite structure , the space group is F m 3 ¯ m {\displaystyle Fm{\bar {3}}m} , each unit cell has 4 units.
Li2Se as a Cathode Prelithiation Additive for Lithium-Ion Batteries
网页2023年4月10日 · Herein, lithium selenide (Li 2 Se), which could be irreversibly converted into selenide (Se) at 2.5–3.8 V and thus supplies additional Li, is proposed as a cathode prelithiation additive for LIBs.
Lithium-rich sulfide/selenide cathodes for next-generation lithium-ion …
网页We highlighted both the variations of phases and structures, lithium storage mechanism, detailed change of sulfur/selenide through anionic redox, and potentials for higher energy densities. We also outlined the main academic and commercial obstacles or challenges for these Li-rich sulfides/selenides for next-generation lithium-ion batteries ...
Li‐Ion Transport Mechanisms in Selenide‐Based Solid‐State …
网页2024年4月20日 · Our findings revealed that the lithium argyrodite materials Li 7 PSe 6 and Li 6 PSe 5 X, which involve Li ions migrating through the vacancy mechanism, exhibit fast Li-ion conduction. Specifically, Li 6 PSe 5 Cl and Li 7 PSe 6 displayed low activation energies of 0.21 and 0.23 eV, respectively, and high Li-ion conductivity of 3.85 × 10 −2 ...
Insulative Ion-Conducting Lithium Selenide as the Artificial Solid ...
网页2021年8月27日 · The deployment of Li metal batteries has been significantly tethered by uncontrollable lithium dendrite growth, especially in heavy-duty operations. Herein, we implement an in situ surface transformation tactic exploiting the vapor-phase solid–gas reaction to construct an artificial solid-electrolyte interphase (SEI) of Li 2 Se on Li metal ...
High-power lithium–selenium batteries enabled by atomic cobalt ...
网页2020年10月6日 · Rechargeable lithium-ion batteries (LIBs) are considered to be the promising candidates towards sustainable energy storage devices due to its long cycle life, high specific power and energy ...
Nanostructured Li2Se cathodes for high performance lithium …
网页2016年9月1日 · We report on a simple and fast route to prepare lithium selenide (Li 2 Se) nanoparticles and show a versatile solution-based method to form uniform nanostructured carbon (C)-Li 2 Se composites with and without additional carbon shell.
The rise of lithium–selenium batteries - RSC Publishing
网页The lithium–selenium (Li–Se) battery is an alternative to its sulfur counterpart with some noticeable advantages, such as the significantly higher electrical conductivity of Se and better electrochemical performance.
Epitaxial Growth of Nanostructured Li2Se on Lithium Metal for All …
网页2021年4月9日 · Here, we first report on lithium selenide (Li 2 Se) as an artificial solid electrolyte interface for ASSBs. The direct deposition of selenium on Li metal and the subsequent formation of Li 2 Se is a facile and effective method to build a low‐resistance interface between the Li and SSE.
Rational design of metal selenides nanomaterials for alkali metal ion ...
网页2.1 Iron selenides for lithium-ion batteries. Iron selenides as promising anode materials in the field of LIBs have aroused the considerable interest of batteries researchers due to earth-abundant iron resource, environmental-friendliness, and theoretical capacity.