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Study on the Effect of Different Viscosity Reducers on Viscosity …
The urgent problem to be solved in heavy oil exploitation is to reduce viscosity and improve fluidity. Emulsification and viscosity reduction technology has been paid more and more attention and its developments applied. This paper studied the viscosity reduction performance of three types of viscosity reducers and obtained good …
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Probing the Origin of Viscosity of Liquid Electrolytes for Lithium …
We proposed a screened overlapping method to efficiently compute the viscosity of lithium battery electrolytes by molecular dynamics simulations. The origin of electrolyte …
New Amphiphilic Macromolecule as Viscosity Reducer with Both …
The high viscosity of heavy oil is a vital parameter that hinders the heavy oil recovery efficiency. Viscosifying aqueous viscosity and reducing oil phase viscosity are the guiding principles under our current study to improve the offshore heavy-oil recovery using the cold production method. To achieve this goal, a novel amphiphilic macromolecule …
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Fast evaluation technique for the shear viscosity and ionic …
Lithium bis(fluorosulfonyl)amide (LiFSA, battery grade), fluoroethylene carbonate (FEC, battery grade) and dimethyl carbonate (DMC, battery grade) were …
Probing the Origin of Viscosity of Liquid Electrolytes for Lithium Batteries
Salts in electrolytes enlarge the viscosity significantly with increasing concentrations while diluents serve as the viscosity reducer, which is attributed to the varied binding strength from cation–anion and cation–solvent associations.
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Self-Diffusion Performance Evaluation of a Heavy Oil …
Chemical viscosity reduction and cold production technology has the characteristics of low cost, low energy consumption, and low emission, which makes it suitable for gradually replacing thermal …
Design, synthesis and properties evaluation of emulsified viscosity reducers …
As evidenced in Table 2, the number average molecular weight increased with the increase of the length of oxyethylene chains in the viscosity reducers.AFOP-6 had the number average molecular weight of approximately 7342 g·mol −1 and a polydispersity (PDI) of 1.70. and a polydispersity (PDI) of 1.70.
Synthesis and Performance Evaluation of Graphene-Based Comb Polymer Viscosity Reducer
The high viscosity of heavy oil makes it difficult to realize its economic value. Therefore, improving the fluidity of heavy oil can effectively improve the economic benefit of the development of heavy oil resources. Oil-soluble viscosity reducers can utilize functional groups in monomers to break up asphaltene aggregates to improve the flow of …
Liquid electrolytes for low-temperature lithium batteries: main …
It has been widely accepted that the following three major limitations greatly affect the performance of LIBs at low temperatures: 1) viscosity and lithium solubility …
Probing the Origin of Viscosity of Liquid Electrolytes for Lithium …
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Low-viscosity quaternary ammonium-based ionic liquid electrolytes for lithium air batteries …
The Li-air battery system forms Li 2 O 2 by reacting lithium ions and oxygen in ambient air during the discharging process, while Li 2 O 2 is decomposed during the charging process [7], [8]. A complex mechanism exists in the redox chemistry of metal-air batteries and cell degradation owing to the effect of oxygen species in the reaction, …
Mechanism Analysis of Heavy Oil Viscosity Reduction by Ultrasound and Viscosity Reducers …
Ultrasound and viscosity reducers are commonly used methods to reduce the viscosity of heavy oil. In order to compare the viscosity reduction effects of ultrasound and viscosity reducers and study their mechanism of interaction on heavy oil, molecular dynamics simulation was carried out in this paper. First, a molecular model of …
Exploring Influential Factors for Composite Flooding with Polymer Viscosity Reducers …
Findings indicated that the composite flooding for the polymer and viscosity reducer enhanced the recovery rate by 48.22%, outperforming water flooding or single chemical flooding. Both single-factor analysis and …
Safe, Stable Cycling of Lithium Metal Batteries with Low-Viscosity, Fire-Retardant Locally Concentrated Ionic Liquid Electrolytes
Ionic liquid (IL) electrolytes with concentrated Li salt can ensure safe, high-performance Li metal batteries (LMBs) but suffer from high viscosity and poor ionic transport. A locally concentrated IL (LCIL) electrolyte with a non-solvating, fire-retardant hydrofluoroether (HFE) is presented.
Synthesis and evaluation of an oil-soluble viscosity reducer for heavy oil | Petroleum Science …
To reduce the viscosity of highly-viscous oil of the Tahe oilfield (Xinjiang, China), an oilsoluble polybasic copolymer viscosity reducer for heavy oil was synthesized using the orthogonal method. The optimum reaction conditions are obtained as follows: under the protection of nitrogen, a reaction time of 9 h, monomer mole ratio of reaction …
Probing the Origin of Viscosity of Liquid Electrolytes for Lithium Batteries …
Salts in electrolytes enlarge the viscosity significantly with increasing concentrations while diluents serve as the viscosity reducer, which is attributed to the varied binding strength from cation–anion and cation–solvent associations.
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Safe, Stable Cycling of Lithium Metal Batteries with Low …
Ionic liquid (IL) electrolytes with concentrated Li salt can ensure safe, high-performance Li metal batteries (LMBs) but suffer from high viscosity and poor ionic …
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Lithium-ion battery
Lithium-ion battery
Low concentration electrolyte with non-solvating cosolvent …
Lithium-ion batteries (LIBs) has gradually approached their ceiling of energy density afforded by intercalation chemistry, falling behind the increasing demands for advanced …
Exploring Influential Factors for Composite Flooding with Polymer Viscosity Reducers …
Extracting heavy oil presents significant challenges due to its high viscosity, poor fluidity, elevated asphaltene content, and the complexities involved in its development. Traditional extraction methods often fall short of meeting the developmental needs for such oil.
Chapter 2: Manufacturer Competition Status, including Sales and Revenue comparison, Manufacturers'' commercial date of Viscosity Reducer Market, product type offered by each manufacturer, Mergers ...
Probing the Origin of Viscosity of Liquid Electrolytes for Lithium Batteries …
Battery Electrolytes Probing the Origin of Viscosity of Liquid Electrolytes for Lithium Batteries Nao Yao, Legeng Yu, Zhong-Heng Fu, Xin Shen, Ting-Zheng Hou, Xinyan Liu, Yu-Chen Gao, Rui Zhang ...
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Probing the Origin of Viscosity of Liquid Electrolytes for Lithium Batteries…
Probing the Origin of Viscosity of Liquid Electrolytes for Lithium Angewandte Chemie 10. 1002/ange.202305331 Nao Yao ... Salts in electrolytes enlarge the viscosity significantly with increasing concentrations while diluents serve as the viscosity reducer, ...
Probing the Origin of Viscosity of Liquid Electrolytes for Lithium Batteries
Viscosity is an extremely important property for ion transport and wettability of electrolytes. Easy access to viscosity values and a deep understanding of this property remain challenging yet critical to evaluating the electrolyte performance and tailoring electrolyte recipes with targeted properti …
