The conventional perspective suggests that low-concentration electrolytes (LCEs) face challenges in achieving stable charge/discharge properties due to the decreased ionic conductivity resulting from lower Li + concentrations. However, the successful utilization of LCEs in lithium/sodium-ion batteries has brought them into the …
Tailoring lithium concentration in alloy anodes for long cycling and high areal capacity in sulfide-based all solid-state batteries
The Lithium (Li) industry has been expanding worldwide, over the last decades, and projections expect an increasing demand for its production in the c…
Furthermore, this new additive has a little negative effect on the Li||Cu half-cell performance under the same condition as before, indicating this new type of localized high-concentration DME-based electrolyte benefits …
Batteries with solid polymer electrolytes face challenges in electrochemical stability and compatibility with high-voltage cathodes. Chunsheng Wang and colleagues have developed a polymer blend ...
Nagoya University is currently developing a compact DC accelerator driven BNCT system using a sealed lithium (Li) target. The target receives a high heat load by a proton beam, and the heat then requires efficient removal.
Traditional lithium batteries cannot work well at low temperatures due to the sluggish desolvation process, which limits their applications in low-temperature fields. Among various previously reported approaches, solvation regulation of electrolytes is of great importance to overcome this obstacle. In this work, a tetrahydrofuran (THF)-based localized high …
Here we report an ether-based, nonflammable localized high-concentration electrolyte (LHCE), with fire-retardant fluorinated phosphazene as a multifunctional …
Weakening solvating power of diluents was proposed for designing high-performance localized high-concentration electrolytes. A diluent with weaker solvating power can further increase the proportion of aggregates where an anion interacts with more than two lithium ions compared with common diluents, which contributes to generating …
For high-voltage rechargeable lithium (Li)-metal batteries (LMBs), electrolytes with good stabilities on both the highly oxidative cathodes and the highly reductive Li-metal anodes are urgently desired.
Traditional electrolytes, particularly ether electrolytes, make it challenging to form a stable SEI film, and the corresponding lithium-ion batteries frequently exhibit poor electrochemical performance. In this …
Lithium metal anodes hold great potential for high-energy-density secondary batteries. However, the uncontrollable lithium dendrite growth causes poor cycling efficiency and severe safety concerns, hindering lithium metal anode from practical application. Electrolyte components play important roles in suppressing lithium dendrite …
In addition, high ratio lithium salt anions coordinated with lithium ions that reduces the decomposition of solvent molecules and forms more stable and denser inorganic-rich SEI film derived from anions, which helps to stabilize the interfaces and achieve high cycling stability at room temperature. The excellent electrochemical cycling ...
The use of high-concentration electrolytes (HCEs) is a promising way to stabilize the lithium metal anode, but their high viscosity and poor wettability impede good Li-ion diffusion kinetics. More importantly, most electrolytes are still highly flammable that pose safety risks to lithium metal batteries.
Lithium-metal batteries, which contain anodes based on metallic lithium, are promising rechargeable batteries that could help to meet the growing demands of the electronics industry. These batteries have various advantages, including high energy density and fast charging times.
A precise elemental gradient design for practical lithium-rich layered oxide (LLO) agglomerated spheres is developed, providing a unique tool for the optimization of voltage retention and electrochem...
The development of high-voltage Lithium-metal batteries (LMBs) is hindered by suitable electrolytes that are simultaneously compatible with both high-voltage cathodes and Li anodes.
By mixing a stable lithium salt LiN (SO 2 F) 2 with dimethyl carbonate solvent at extremely high concentrations, we obtain an unusual liquid showing a three …
This method has paved a new way to fabricate carbon-enabled LMO-based absorbents with tuned structure and superior capacity for electrochemical lithium extraction with high Li + selectivity and exceptional cycling stability, which may help to tackle the shortage in supply of Li-ion batteries in industry in the future.
The use of high-concentration electrolytes (HCEs) is a promising way to stabilize the lithium metal anode, but their high viscosity and poor wettability impede good Li-ion diffusion kinetics.More importantly, most electrolytes are still highly flammable that pose safety risks to lithium metal batteries.Introducing diluent in HCEs provides more …
The demand for lithium is growing rapidly with the increase in electric vehicles, batteries and electronic equipments. Lithium can be extracted from brines, yet the separation of lithium ions Li+ from magnesium ions Mg2+ is challenging at high Mg/Li ratios. Here, we review methods to extract lithium from brines, such as extraction, adsorption, …
A novel localized high-concentration electrolyte (LHCE) is developed using LiFSI salt and F-containing FEC and OFE cosolvents. • The performance of Li||LiNi 0.8 Co 0.1 Mn 0.1 O 2 lithium metal batteries (LMBs) with LHCE is effectively improved.. The enhanced performance of LMBs is attributed to the synergistic effect of LiFSI salt and F …
Electrolyte engineering is crucial for the commercialization of lithium metal batteries. Here, lithium metal is stabilized in the highly reactive sulfolane-based electrolyte under low concentration (0.25 M) for the first time.
A Ni-rich concentration gradient [Ni0.865Co0.120Al0.015] (NCA) cathode with a Co-rich particle surface exhibits high capacity and improved cycle life (92% after 500 cycles) compared to the convention...
An emerging quasi-localized high-concentration electrolyte is proposed to construct stable interphase layers on both the cathode and anode. The assembled high-voltage lithium metal batteries stably o...
In this article, we propose a universal strategy to prepare localized high concentration polymer electrolytes (LHCPE) in which high concentration lithium salt …
A localized high-concentration electrolyte with lithium bis (fluorosulfonyl) imide (LiFSI) salt and F-containing cosolvents to enhance the performance of Li∥LiNi 0.8 …
A low-concentration electrolyte was employed in high-voltage lithium metal batteries. The synergistic effects of fluorinated solvation shell and low salt concentration generated robust and LiF-rich S...
A localized high-concentration electrolyte with lithium bis (fluorosulfonyl) imide (LiFSI) salt and F-containing cosolvents to enhance the performance of …
Lithium is a common medication used to treat several mental health conditions. Here's how to recognize the signs of an overdose and get help.