77215-44-2

Usage

Type of compound

Dihydro derivative of pyrimidinedipropanenitrile

Explanation

A dihydro derivative is a compound that has two hydrogen atoms added to the parent molecule. In this case, the parent molecule is pyrimidinedipropanenitrile, and the dihydro addition results in the compound 1,3(2H,4H)-Pyrimidinedipropanenitrile, dihydro-.

Explanation

The compound is used in the synthesis of other organic compounds and is also studied in the context of pharmaceutical research, which involves the development of new drugs and therapies.

Explanation

Due to its potential biological activity, 1,3(2H,4H)-Pyrimidinedipropanenitrile, dihydromay be used in the development of new drugs and pharmaceuticals, which could have various therapeutic applications.

Explanation

The compound may have applications in the field of medicinal chemistry, which involves the design, synthesis, and development of chemical compounds with biological activity. This can lead to the discovery of new drugs and therapeutic agents.

Explanation

While 1,3(2H,4H)-Pyrimidinedipropanenitrile, dihydrohas potential applications in various fields, more research is required to fully understand its properties and potential uses. This includes studying its chemical behavior, stability, and interactions with biological systems.

Applications

Organic synthesis and pharmaceutical research

Potential use

Development of new drugs and pharmaceuticals

Field of application

Medicinal chemistry and drug discovery

Research status

Further research needed

Upstream product

• 505-21-5 hexahydropyrimidine 
• 542-76-7 3-Chloropropionitrile 

Relevant academic research and scientific papers

LITHIUM-ION BATTERY AND APPARATUS

This application provides a lithium-ion battery and an apparatus. The lithium-ion battery includes an electrode assembly and an electrolyte. The electrode assembly includes a positive electrode plate, a negative electrode plate, and a separator. A positive active material of the positive electrode plate includes Lix1Coy1M1-y1O2-z1Qz1, where 0.5≤x1≤1.2, 0.8≤y1≤1.0, 0≤z1≤0.1, M is selected from one or more of Al, Ti, Zr, Y, and Mg, and Q is selected from one or more of F, Cl, and S. The electrolyte contains an additive A, an additive B, and an additive C. The additive A is a polynitrile six-membered nitrogen-heterocyclic compound with a relatively low oxidation potential. The additive B is a silyl phosphite compound or a silyl phosphate compound or a mixture thereof. The additive C is a halogen substituted cyclic carbonate compound.

Lithium-ion battery and apparatus

This application provides a lithium-ion battery and an apparatus. The lithium-ion battery includes an electrode assembly and an electrolyte. The electrode assembly includes a positive electrode plate, a negative electrode plate, and a separator. A positive active material of the positive electrode plate includes Lix1Coy1M1-y1O2-z1Qz1, where 0.5≤x1≤1.2, 0.8≤y11.0, 0≤z1≤0.1, M is selected from one or more of Al, Ti, Zr, Y, and Mg, and Q is selected from one or more of F, Cl, and S. The electrolyte contains an additive A, an additive B, and an additive C. The additive A is a polynitrile six-membered nitrogen-heterocyclic compound with a relatively low oxidation potential. The additive B is an anhydride compound. The additive C is a halogen substituted cyclic carbonate compound.

LITHIUM-ION BATTERY AND APPARATUS

This application provides a lithium-ion battery and an apparatus. The lithium-ion battery includes an electrode assembly and an electrolyte. The electrode assembly includes a positive electrode plate, a negative electrode plate, and a separator. A positive active material of the positive electrode plate includes Lix1Coy1M1-y1O2-z1Qz1, where 0.5≤x1≤1.2, 0.8≤y1≤1.0, 0≤z1≤0.1, M is selected from one or more of Al, Ti, Zr, Y, and Mg, and Q is selected from one or more of F, Cl, and S. The electrolyte contains an additive A that is a polynitrile six-membered nitrogen-heterocyclic compound with a relatively low oxidation potential. The lithium-ion battery has superb cycle performance and storage performance, especially under high-temperature and high-voltage conditions.

LITHIUM-ION BATTERY AND APPARATUS

The present application provides a lithium-ion battery and an apparatus, and the lithium-ion battery includes an electrode assembly and an electrolytic solution, the electrode assembly includes a positive electrode sheet, a negative electrode sheet and a separation film. A positive active material of the positive electrode sheet includes Lix1Coy1M1-yO2-z1Qz1, 0.5≤x1≤1.2, 0.8≤y1≤1.0, 0≤z1≤0.1, M is selected from one or more of Al, Ti, Zr, Y, and Mg, and Q is selected from one or more of F, Cl, and S. The electrolytic solution contains vinylene carbonate, fluoroethylene carbonate, 1,3-propane sultone, and an additive A. The additive A is a polynitrile six-membered nitrogen-heterocyclic compound with a relatively low oxidation potential. The lithium-ion battery has superb cycle performance and storage performance, especially under high-temperature and high-voltage conditions.

LITHIUM-ION BATTERY AND APPARATUS

The present application provides a lithium-ion battery and an apparatus, the lithium-ion battery includes an electrode assembly and an electrolyte. The electrode assembly includes a positive electrode sheet, a negative electrode sheet and a separation film. The positive active material in the positive electrode sheet includes Lix1Coy1M1-y1 O2-z1Qz1, 0.5≤x1≤1.2, 0.8≤y1≤1.0, 0≤z1≤0.1, and M is selected from one of Al, Ti, Zr, Y, and Mg, and Q is selected from one or more of F, Cl, and S. The electrolyte contains an additive A and an additive B, the additive A is a polynitrile six-membered nitrogen-heterocyclic compound with a relatively low oxidation potential, and the additive B is an aliphatic dinitrile or polynitrile compound with a relatively high oxidation potential. The lithium-ion battery of the present application has superb cycle performance and storage performance, especially under high-temperature and high-voltage conditions.

LITHIUM-ION BATTERY AND APPARATUS

The present application provides a lithium-ion battery and an apparatus, the lithium-ion battery includes an electrode assembly and an electrolyte, the electrode assembly includes a positive electrode sheet, a negative electrode sheet and a separator. A positive active material of the positive electrode sheet includes both Lix1Coy1M11-y1O2-aQ1a and LilNim1Con1M2pM3qO2-bQ2b, a mass ratio of Lix1Coy1M11-y1O2-aQ1a and LilNim1Con1M2pM3qO2-bQ2b is 1:1-9:1. The electrolyte contains an additive A, the additive A is a six-membered nitrogen heterocyclic compound with multiple nitrile groups and with low oxidation potential. The lithium-ion battery according to the present application has excellent cycle performance and storage performance, especially under high temperature and high voltage conditions.

ELECTROLYTE AND ELECTROCHEMICAL DEVICE

The present disclosure relates to the field of energy storage materials, and particularly, to an electrolyte and an electrochemical device. The electrolyte includes an additive A and an additive B, the additive A is selected from a group consisting of multi-cyano six-membered N-heterocyclic compounds represented by Formula I-1, Formula I-2 and Formula I-3, and combinations thereof, and the additive B is at least one unsaturated bond-containing cyclic carbonate compound. The electrochemical device includes the above electrolyte. The electrolyte of the present disclosure can effectively passivate surface activity of the positive electrode material, inhibit oxidation of the electrolyte, and effectively reduce gas production of the battery, while an anode SEI film can be formed to avoid a contact between the anode and the electrode and thus to effectively reduce side reactions.

ELECTROLYTE AND ELECTROCHEMICAL DEVICE

An electrolyte and an electrochemical device, which relates to the field of energy storage materials. The electrolyte includes an additive A, an additive B and an additive C, the additive A selected from a group consisting of multi-cyano six-membered N-heterocyclic compounds represented by Formula I-1, Formula I-2 or Formula I-3, and combinations thereof, the additive B is at least one sulfonate compound, and the additive C is at least one halogenated cyclic carbonate compound. The electrochemical device includes the above electrolyte. The electrolyte of the present disclosure can effectively passivate the surface activity of the positive electrode material, inhibit the oxidation of the electrolyte, and effectively reduce gas production of a battery, meanwhile the electrolyte can be also adsorbed catalytically active of the graphite surface to form a more stable SEI film, thereby effectively reducing side reactions