Desolvation energy of lithium-ion batteries
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Lithium metal batteries (LMBs) working at subzero temperatures are plagued by severe restrictions from the increased energy barrier of Li-ion migration and desolvation. Herein, a competitive coordination strategy based on the ternary-anion (TA) coupling of PF 6 −, TFSI −, and NO 3 − toward Li + to achieve an anti-freezing electrolyte …
Competitive Coordination of Ternary Anions Enabling Fast Li-Ion Desolvation for Low-Temperature Lithium Metal Batteries …
Lithium metal batteries (LMBs) working at subzero temperatures are plagued by severe restrictions from the increased energy barrier of Li-ion migration and desolvation. Herein, a competitive coordination strategy based on the ternary-anion (TA) coupling of PF 6 −, TFSI −, and NO 3 − toward Li + to achieve an anti-freezing electrolyte …
Predicting the Ion Desolvation Pathway of Lithium Electrolytes …
To better understand the influence of electrolyte chemistry on the ion-desolvation portion of charge-transfer beyond the commonly applied techniques, we …
Reviving Low-Temperature Performance of Lithium Batteries by …
The addition of nonpolar cosolvents reduced the Li ion desolvation energy prior to plating on the Li metal surface, relevant to plating/stripping reaction kinetics at a low temperature. A LiF-rich SEI layer with high mechanical strength and interfacial energy is ...
Regulating the Solvation Structure of Li+ Enables Chemical Prelithiation of Silicon-Based Anodes Toward High-Energy Lithium-Ion Batteries …
For realizing lithium-ion batteries (LIBs) with higher energy density, the silicon-based anode becomes a promising candidate in the market by virtue of its high theoretical specific capacity, low working voltage, and …
Balanced solvation/de-solvation of electrolyte facilitates Li-ion intercalation for fast charging and low-temperature Li-ion batteries …
1. Introduction Lithium-ion batteries (LIBs) have made a revolutionary impact on our society, played a decisive role in the development of portable electronics and will be central for the large-scale deployment of electric vehicles (EVs) and grid-scale energy storage.
Ordered Lithium-Ion Conductive Interphase with Gradient Desolvation Effects for Fast-Charging Lithium Metal Batteries | ACS Energy …
Efficient desolvation and fast lithium ion (Li+) transport are key factors for fast-charging Li metal batteries (LMBs). Here, we report a self-assembled interphase (SAI) with ordered Li+ transport pathways to enable high Li+ conductivity and fast Li+ desolvation for fast-charging LMBs. A self-assembled structure originating from the intermolecular …
Revealing the evolution of solvation structure in low-temperature …
The structure of the ion solvation sheath is widely recognized as a significant lever for optimizing electrolyte availability and consequently, battery …
Tailoring electrolyte solvation for Li metal batteries cycled at ultra …
The deployment of rechargeable lithium-ion batteries (LIB) is crucial to the operation of modern portable electronics in extreme environments, where a reduction …
Tuning of electrolyte solvation structure for low-temperature operation of lithium–sulfur batteries …
Li + and x:y ratios of TFSI- and NO 3 − were used for constructing cell to calculate Li + desolvation energy); ... This corresponds to 200 Wh kg −1, which is even higher than those of lithium ion batteries. Fig. 7 c compares the key cell design parameters (i ...
Pairing Non‐Solvating Cosolvent with Weakly Solvating Solvents for Facile Desolvation …
The advancement of lithium-ion batteries (LIBs) calls for superior electrolyte design to satisfy the booming demands of energy storage markets. Despite being typically indispensable in modern electrolytes, ethylene carbonate (EC) exhibits strong affinity with Li + and derives organic-rich SEI, leading to sluggish interfacial dynamics and …
Li-ion solvation/desolvation energy in different electrolytes and …
Download scientific diagram | Li-ion solvation/desolvation energy in different electrolytes and the interphase analysis a, The calculated Li⁺ solvation/desolvation energy with different ...
Rivalry at the Interface: Ion Desolvation and Electrolyte Degradation in Model Ethylene Carbonate Complexes of Li …
Spinel lithium titanate, Li4Ti5O12 (LTO), emerges as a "universal" electrode material for Li-ion batteries and hybrid Li/Na-, Li/Mg-, and Na/Mg-ion batteries functioning on the basis of intercalation. Given that LTO operates in a variety of electrolyte solutions, the main challenge is to understand the reactivity of the LTO surface toward single- and dual-cation …
Research Progress on Electrolyte Additives for Sodium Ion Batteries
In view of the gradual depletion of lithium resources, sodium-ion batteries (SIBs) have emerged as a viable alternative to lithium-ion batteries (LIBs). This is primarily attributed to their comparable operational principles and abundant reserves of sodium resources. As an essential component of the secondary battery, the electrolyte is of …
Wide Temperature Electrolytes for Lithium Batteries: Solvation …
Li + transport in the lithium batteries system mainly undergoes through the following four steps: a) Li + solvation/desolvation process; b) migration of solvated Li …
Emerging Era of Electrolyte Solvation Structure and Interfacial Model in Batteries | ACS Energy …
Over the past two decades, the solid–electrolyte interphase (SEI) layer that forms on an electrode''s surface has been believed to be pivotal for stabilizing the electrode''s performance in lithium-ion batteries (LIBs). However, more and more researchers currently are realizing that the metal-ion solvation structure (e.g., Li+) in electrolytes and the …
Breaking solvation dominance of ethylene carbonate via …
Low temperatures severely impair the performance of lithium-ion batteries, which demand powerful electrolytes with wide liquidity ranges, facilitated ion …
Li+-Desolvation Dictating Lithium-Ion Battery''s Low-Temperature …
Lithium (Li) ion battery has penetrated almost every aspect of human life, from portable electronics, vehicles, to grids, and its operation stability in extreme environments is becoming increasingly important. Among these, subzero temperature presents a kinetic challenge to the electrochemical reactions required to deliver the stored …
Tailoring electrolyte solvation for Li metal batteries cycled at ultra-low temperature | Nature Energy
Tailoring electrolyte solvation for Li metal batteries cycled ...
Lithium-Ion Desolvation Induced by Nitrate Additives Reveals …
Here, the key role of additives in promoting cation (e.g., Li +) desolvation is unraveled. In particular, nitrate anions (NO 3 −) are found to incorporate into the solvation shells, …
Tuning solvation structure to enhance low temperature kinetics of lithium-ion batteries …
The performance degradation at low temperatures limits the application of lithium-ion batteries (LIBs) in frigid regions and extreme weather conditions. The slow charge transfer kinetics including the Li + desolvation and the Li + migration in the electrode/electrolyte interface (EEI) film, have been precisely identified as the main rate …
Wide Temperature Electrolytes for Lithium Batteries: Solvation …
The liquid electrolyte serves as the "blood" of batteries, acting as a bridge for the reciprocal transmission of Li + between cathodes and anodes. Reliable Li + transport lays the groundwork for the high-performance operation of batteries. [] Li + transport in the lithium batteries system mainly undergoes through the following four steps: a) Li + …
Lithium‐Ion Desolvation Induced by Nitrate Additives Reveals New Insights into High Performance Lithium Batteries …
The key role of additives in promoting Li+ desolvation in battery electrolytes is unraveled. The nitrate (NO3−) anions are found to incorporate into the solvation shells, change the local environment...
Solvent Effects on Kinetics and Electrochemical Performances of Rechargeable Aluminum Batteries
As shown in Figure 3(e), the desolvation energy is positively correlated with the charge transfer activation energy; the Al ... L. Fu, Y. Wu, and X. Liu, "Nanostructured positive electrode materials for post-lithium ion batteries," Energy & Environmental Science, vol. ...
Revealing the key role of non-solvating diluents for fast-charging and low temperature Li-ion batteries …
The non-solvating diluent offers excellent thermal shielding effect to prevent the aggregation of Li + solvates as temperature drops, which enables fast-charging and low temperature operation of high-voltage high-energy Li-ion batteries. Download: Download high-res image (71KB) ...
Tailoring desolvation strategies for aqueous zinc-ion batteries
Tailoring desolvation strategies for aqueous zinc-ion batteries Wenhao Ma† a, Sunyufei Wang† a, Xianwen Wu b, Wenwen Liu a, Fan Yang a, Shude Liu * c, Seong Chan Jun d, Lei Dai a, Zhangxing He * a and Qiaobao Zhang * e a School of Chemical Engineering, North China University of Science and Technology, Tangshan …
An anode-free sodium dual-ion battery
The anode-free dual-ion battery strategy is deemed promising for expediting the development of batteries with both high energy and power densities. CRediT authorship contribution statement Jinhui Zhao: Writing – original draft, Investigation, Formal analysis, Data curation.
Review on Low-Temperature Electrolytes for Lithium-Ion and Lithium Metal Batteries | Electrochemical Energy …
Review on Low-Temperature Electrolytes for Lithium-Ion ...
Regulating the Solvation Structure of Li+ Enables Chemical Prelithiation of Silicon-Based Anodes Toward High-Energy Lithium-Ion Batteries …
The solvation structure of Li+ in chemical prelithiation reagent plays a key role in improving the low initial Coulombic efficiency (ICE) and poor cycle performance of silicon-based materials. Nevertheless, the chemical prelithiation agent is difficult to dope active Li+ in silicon-based anodes because of their low working voltage and sluggish Li+ …
Acceleration of interfacial kinetics induced by regulation of Li + desolvation process in lithium metal-based batteries …
To speculate on the possible mechanism of electrolyte optimization for lithium metal-based batteries after adding THFPB, we investigated the physical and chemical properties of electrolytes with and without THFPB. First, Raman spectra of electrolytes (Fig. S1) are provided to obtain information about the ion-ion interaction in …
"Dragging effect" induced fast desolvation kinetics and −50 ℃ …
The LiPF 6-PC/TFEP/EMC (PTE312) electrolyte endows the battery with fast Li + desolvation kinetics. • The pouch cell with PTE312 exhibits capacity retention of …
Non-concentrated electrolyte with weak anion coordination enables low Li-ion desolvation energy for low-temperature lithium batteries …
An electrolyte composed of dilute LiBF 4 in trifluoropropylene carbonate and tetrahydrofuran co-solvent is found to exhibit loose Li +-anion binding in solvation shell, which stabilizes electrolyte/cathode interface and enhances Li +-desolvation at low temperature for building rechargeable lithium batteries. ...
Fast-charging capability of graphite-based lithium-ion batteries …
Li + desolvation in electrolytes and diffusion at the solid–electrolyte interphase (SEI) are two determining steps that restrict the fast charging of graphite …
Tuning desolvation kinetics of in-situ weakly solvating polyacetal electrolytes for dendrite-free lithium metal batteries …
Accordingly, when binding energy was calculated to probe the influence of solvation geometry on the coordination strength and molecular interactions between Li +-electrolyte and Li +-anion, respectively, we found that coordination from the host electrolyte was reduced from −6.84 eV in 1,3-dioxolane to −6.13 eV in polyacetal (Fig. 1 e), indicating …
Challenges and strategies of formulating low‐temperature electrolytes in lithium‐ion batteries …
Her research interests focus on functional electrolytes for electrochemical energy storage systems, such as lithium-ion battery, lithium-metal batteries, and lithium-sulfur batteries. Jia Xie received his BS degree from Peking University in 2002 and his PhD from Stanford University in 2008.
Non-concentrated electrolyte with weak anion coordination enables low Li-ion desolvation energy for low-temperature lithium batteries …
Introduction There is a growing demand for lithium-ion batteries (LIBs) that can operate at subzero temperatures under various fields such as space/subsea exploration and electric vehicles in cold climates [1], [2], [3]. However, the …