Superconcentrated electrolytes for a high-voltage lithium-ion …
网页2016年6月29日 · This simple formulation of superconcentrated LiN (SO 2 F) 2 /dimethyl carbonate electrolyte inhibits the dissolution of both aluminium and transition metal at around 5 V, and realizes a...
Superconcentrated electrolytes - Wikipedia
网页Superconcentrated electrolytes, also known as water-in-salt or solvent-in-salt liquids, usually refer to chemical systems, which are liquid near room temperature and consist of a solvent-to-dissoved salt in a molar ratio near or smaller than ca. 4-8, i.e. where all solvent molecules are coordinated to cations, and no free solvent molecules ...
Review—Superconcentrated Electrolytes for Lithium Batteries
网页2015年10月9日 · Superconcentrated (or highly concentrated) solutions are emerging as a new class of liquid electrolytes with various unusual functionalities beneficial for advanced lithium (Li) battery applications.
Enabling High‐Voltage “Superconcentrated Ionogel‐in‐Ceramic” …
网页2022年8月13日 · Herein, a unique “superconcentrated ionogel-in-ceramic” (SIC) electrolyte prepared by an in situ thermally initiated radical polymerization is reported. Solid-state static 7 Li NMR and molecular dynamics simulation reveal the roles of ceramic in Li + local environments and transport in the SIC electrolyte.
Extending insertion electrochemistry to soluble layered halides …
网页2021年7月29日 · In this work, we show the feasibility of reversibly intercalating Li+ electrochemically into VX3 compounds (X = Cl, Br, I) via the use of superconcentrated electrolytes (5 M LiFSI in dimethyl ...
Uncharted Waters: Super-Concentrated Electrolytes
网页2020年1月15日 · In the super-concentrated regions, the reversed salt/solvent ratio brought dramatic changes in bulk liquid structures, ion transport, and interfacial and interphasial properties. Some of these unusual properties have been found to introduce benefits to electrochemical, thermal, transport, interfacial, and interphasial properties that are of ...
Toward High-Voltage Aqueous Batteries: Super- or Low …
网页2020年9月16日 · Super-concentrated electrolytes (SCEs) have been proven effective toward high-voltage aqueous batteries (ABs) but at the expense of high cost and confined reaction kinetics. Recent achievements in introducing competitive redox couples, optimizing current collectors, and applying pH decoupling with ion-selective membranes provide new ...
Uncharted Waters: Super-Concentrated Electrolytes - Cell Press
网页Here, super-concentrated aqueous electrolyte plays a few key roles: (1) it provides an anodic stability window that can accommodate the high potential (up to 4.5 V) of this intercalation-conversion chemistry; (2) it creates a hydration layer on the surface of the halides confined at the graphite cathode; and (3) most importantly, the halides ...
Li/K mixed superconcentrated aqueous electrolyte enables high ...
网页2019年7月1日 · The confinement of water molecules is realized in the cost-effective, safe, and eco-friendly superconcentrated Li + /K + electrolyte, which enables the much improved Li +-based performances of AC//LMO supercapacitor.
Review—Superconcentrated Electrolytes for Lithium Batteries
网页Superconcentrated (or highly concentrated) solutions are emerging as a new class of liquid electrolytes with various unusual functionalities beneficial for advanced lithium (Li) battery applications. This article reviews unique features, as well as basic physicochemical properties, of highly concentrated…. Expand. View PDF.