Oleg Borodin
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View article: Measuring Zn Transference with Precision: Insights for Dendrite‐Free Zinc Metal Anodes
Measuring Zn Transference with Precision: Insights for Dendrite‐Free Zinc Metal Anodes Open
Electrolyte engineering in Zn‐metal batteries frequently employs alkaline metal salts to enhance conductivity and reduce overpotential for Zn plating. While these additives improve conductivity, the presence of more mobile alkali cations c…
View article: Recoverable Aggregate-Rich Liquefied Gas Electrolytes for Enabling High-Voltage Lithium Metal Batteries
Recoverable Aggregate-Rich Liquefied Gas Electrolytes for Enabling High-Voltage Lithium Metal Batteries Open
High-energy density, improved safety, temperature resilience, and sustainability are desirable yet rarely simultaneously achieved properties in lithium-battery electrolytes. In this work, we present an aggregate-rich electrolyte that lever…
View article: Recoverable aggregate-rich liquefied gas electrolytes for enabling high-voltage lithium metal batteries
Recoverable aggregate-rich liquefied gas electrolytes for enabling high-voltage lithium metal batteries Open
High-energy density, temperature resilience, and sustainability are desirable yet rarely simultaneously achieved properties in lithium-battery electrolytes.
View article: Solvent-mediated oxide hydrogenation in layered cathodes
Solvent-mediated oxide hydrogenation in layered cathodes Open
Self-discharge and chemically induced mechanical effects degrade calendar and cycle life in intercalation-based electrochromic and electrochemical energy storage devices. In rechargeable lithium-ion batteries, self-discharge in cathodes ca…
View article: Initiatives to the Global Representation of Scientific Collections
Initiatives to the Global Representation of Scientific Collections Open
Ensuring that all global scientific collections become accessible online is a challenge. The Global Biodiversity Information Facility (GBIF) maintains a Global Registry of Scientific Collections (GRSciColl) but as of May 2023, 58% of the c…
View article: Stabilizing high temperature operation and calendar life of LiNi0.5Mn1.5O4
Stabilizing high temperature operation and calendar life of LiNi0.5Mn1.5O4 Open
Severe capacity degradation at high operating voltages and poor interphase stability at elevated temperature have thus far precluded the practical application of LiNi0.5Mn1.5O4 (LNMO) as a cathode material for lithium-ion batteries. Addres…
View article: Cation-Dependent Solvation Behavior of Aqueous Triflate Electrolytes
Cation-Dependent Solvation Behavior of Aqueous Triflate Electrolytes Open
We investigated trends in the cation-dependent solvation behavior and electrochemical stability of aqueous electrolytes with ten trifluoromethanesulfonate (OTf) salts (Li+, Na+, K+, NH4+, NMe3Et+, Mg2+, Zn2+, Ca2+, Ba2+, and Al3+). Our fin…
View article: Engineering Robust Battery Interphases with Dilute Fluorinated Cations
Engineering Robust Battery Interphases with Dilute Fluorinated Cations Open
Controlling solid electrolyte interphase (SEI) in batteries is crucial for their efficient cycling. Herein, we demonstrate an approach to enable robust battery performance that does not rely on high fractions of fluorinated species in elec…
View article: Robust battery interphases from dilute fluorinated cations
Robust battery interphases from dilute fluorinated cations Open
This approach utilizes electrostatic attraction of very low fractions (~0.1 wt%) of readily reducible fluorinated cations in electrolyte to form a robust fluorine-rich SEI and enable stable Li-metal batteries.
View article: Delocalized, Asynchronous, Closed-Loop Discovery of Organic Laser Emitters
Delocalized, Asynchronous, Closed-Loop Discovery of Organic Laser Emitters Open
Contemporary materials discovery requires intricate sequences of synthesis, formulation and characterization that often span multiple locations with specialized expertise or instrumentation. To accelerate these workflows, we present a clou…
View article: Nanoscale structure of a hybrid aqueous–nonaqueous electrolyte
Nanoscale structure of a hybrid aqueous–nonaqueous electrolyte Open
A new class of electrolytes have been reported, hybridizing aqueous with non-aqueous solvents, which combines non-flammability and non-toxicity characteristics of aqueous electrolytes with the superior electrochemical stability of non-aque…
View article: Aqueous and hybrid electrolytes with wide electrochemical stability windows
Aqueous and hybrid electrolytes with wide electrochemical stability windows Open
The present invention is directed to aqueous and hybrid aqueous electrolytes that comprise a lithium salt. The present invention is also directed to methods of making the electrolytes and methods of using the electrolytes in batteries and …
View article: Solid electrolyte technology with rearrangeable bonds for metal and metal-ion batteries
Solid electrolyte technology with rearrangeable bonds for metal and metal-ion batteries Open
In an embodiment, a metal or metal-ion battery cell, includes anode and cathode electrodes, a separator electrically separating the anode and the cathode, and a solid electrolyte ionically coupling the anode and the cathode, wherein the so…
View article: Creating water-in-salt-like environment using coordinating anions in non-concentrated aqueous electrolytes for efficient Zn plating
Creating water-in-salt-like environment using coordinating anions in non-concentrated aqueous electrolytes for efficient Zn plating Open
Rechargeable aqueous Zn metal batteries are promising systems for grid storage because of their high energy density, low cost, and non-flammability. However, Zn metal anodes have major limitations due to dendrite formation and concurrent w…
View article: Creating water-in-salt-like environment using coordinating anions in non-concentrated aqueous electrolytes for efficient Zn plating
Creating water-in-salt-like environment using coordinating anions in non-concentrated aqueous electrolytes for efficient Zn plating Open
Rechargeable aqueous Zn metal batteries are promising systems for grid storage because of their high energy density, low cost, and non-flammability. However, Zn metal anodes have major limitations due to dendrite formation and concurrent w…
View article: Creating water-in-salt-like environment using coordinating anions in non-concentrated aqueous electrolytes for efficient Zn batteries
Creating water-in-salt-like environment using coordinating anions in non-concentrated aqueous electrolytes for efficient Zn batteries Open
By using coordinating anions such as acetate, a water-in-salt-like coordination environment of Zn ions is achieved in relatively dilute conditions, leading to prolonged and efficient cycling of zinc metal anodes.
View article: A cellulose-derived supramolecule for fast ion transport
A cellulose-derived supramolecule for fast ion transport Open
Supramolecular frameworks have been widely synthesized for ion transport applications. However, conventional approaches of constructing ion transport pathways in supramolecular frameworks typically require complex processes and display poo…
View article: Electrolyte Solvation and Ionic Association: Part IX. Structures and Raman Spectroscopic Characterization of LiFSI Solvates
Electrolyte Solvation and Ionic Association: Part IX. Structures and Raman Spectroscopic Characterization of LiFSI Solvates Open
The bis(fluorosulfonyl)imide anion N(SO 2 F) 2 − (i.e., FSI − ) (also referred to as bis(fluorosulfonyl)amide (i.e., FSA − ) and imidodi(sulphuryl fluoride)) has attracted tremendous interest in recent years for its utility in both lithium…