1,4-dipropylpiperazinetetrone | 99687-12-4

• 分子结构分类: 有机化合物 - 有机酸及其衍生物 - 羧酸及其衍生物
• 英文名称: 1,4-dipropylpiperazinetetrone
• 英文别名: 1,4-Dipropylpiperazine-2,3,5,6-tetrone
• CAS: 99687-12-4
• 化学式: C₁₀H₁₄N₂O₄
• 分子量: 226.232
• InChiKey: DXCZBBFNFURETH-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  1.1
• 重原子数：
  16
• 可旋转键数：
  4
• 环数：
  1.0
• sp3杂化的碳原子比例：
  0.6
• 拓扑面积：
  74.8
• 氢给体数：
  0
• 氢受体数：
  4

反应信息

• 作为反应物：
  描述：

  1,4-dipropylpiperazinetetrone 以24%的产率得到
  参考文献：
  名称：

  AOYAMA, HIROMU;OHNOTA, MICHIRO;SAKAMOTO, MASAMI;OMOTE, J. ORG. CHEM., 1986, 51, N 2, 247-249

  摘要：

  DOI：
• 作为产物：
  描述：

  草酰氯 、 N,N'-dipropyloxamide 反应 4.0h， 生成 1,4-dipropylpiperazinetetrone
  参考文献：
  名称：

  Photochemical reactions of N,N'-dialkylpiperazinetetrones

  摘要：

  DOI：

  10.1021/jo00352a024

文献信息

• Encapsulated cathode active material particles, lithium secondary batteries containing same, and method of manufacturing
  申请人：Nanotek Instruments, Inc.

  公开号：US10483533B2

  公开（公告）日：2019-11-19

  Provided is particulate of a cathode active material for a lithium battery, comprising one or a plurality of cathode active material particles being embraced or encapsulated by a thin layer of a high-elasticity polymer having a recoverable tensile strain no less than 5%, a lithium ion conductivity no less than 10−6 S/cm at room temperature, and a thickness from 0.5 nm to 10 μm, wherein the polymer contains an ultrahigh molecular weight (UHMW) polymer having a molecular weight from 0.5×106 to 9×106 grams/mole. The UHMW polymer is preferably selected from polyacrylonitrile, polyethylene oxide, polypropylene oxide, polyethylene glycol, polyvinyl alcohol, polyacrylamide, poly(methyl methacrylate), poly(methyl ether acrylate), a copolymer thereof, a sulfonated derivative thereof, a chemical derivative thereof, or a combination thereof.

  本发明提供了一种锂电池正极活性材料的微粒，它包括一个或多个正极活性材料微粒，这些微粒被一层高弹性聚合物薄层包裹或封装，该聚合物的可恢复拉伸应变不小于5%，室温下的锂离子电导率不小于10-6 S/cm，厚度为0.5 纳米至 10 微米，其中聚合物包含分子量为 0.5×106 至 9×106 克/摩尔的超高分子量（UHMW）聚合物。超高分子量聚合物最好选自聚丙烯腈、聚环氧乙烷、聚环氧丙烷、聚乙二醇、聚乙烯醇、聚丙烯酰胺、聚（甲基丙烯酸甲酯）、聚（丙烯酸甲酯）、其共聚物、其磺化衍生物、其化学衍生物或其组合。
• Method of producing protected particles of cathode active materials for lithium batteries
  申请人：Nanotek Instruments, Inc.

  公开号：US11223049B2

  公开（公告）日：2022-01-11

  A method of producing a powder mass for a lithium battery, the method comprising: (a) providing a solution containing a sulfonated elastomer dissolved in a solvent or a precursor in a liquid form or dissolved in a solvent; (b) dispersing a plurality of particles of a cathode active material in the solution to form a slurry; and (c) dispensing the slurry and removing the solvent and/or polymerizing/curing the precursor to form the powder mass, wherein the powder mass comprises multiple particulates and at least a particulate comprises one or a plurality of particles of a cathode active material being encapsulated by a thin layer of sulfonated elastomer having a thickness from 1 nm to 10 μm, a fully recoverable tensile strain from 2% to 800%, and a lithium ion conductivity from 10−7 S/cm to 5×10−2 S/cm at room temperature.

  一种生产锂电池粉体的方法，该方法包括(a) 提供含有溶解在溶剂中的磺化弹性体或液态或溶解在溶剂中的前驱体的溶液； (b) 在溶液中分散多个正极活性材料颗粒以形成浆料；(c) 分散浆料并除去溶剂和/或聚合/固化前体以形成粉末团，其中粉末团包括多个微粒，且至少一个微粒包括一个或多个阴极活性材料微粒，该微粒被磺化弹性体薄层包裹，其厚度为1纳米至10微米，完全可恢复的拉伸应变为2%至800%，室温下的锂离子电导率为10-7 S/cm至5×10-2 S/cm。
• Non-flammable electrolyte containing liquefied gas and lithium secondary batteries containing same
  申请人：Nanotek Instruments, Inc.

  公开号：US11258101B2

  公开（公告）日：2022-02-22

  A rechargeable lithium cell comprising a cathode, an anode, an optional ion-permeable membrane disposed between the anode and the cathode, a non-flammable salt-retained liquefied gas electrolyte in contact with the cathode and the anode, wherein the electrolyte contains a lithium salt dissolved in or mixed with a liquefied gas solvent having a lithium salt concentration greater than 1.0 M so that the electrolyte exhibits a vapor pressure less than 1 kPa when measured at 20° C., a vapor pressure less than 60% of the vapor pressure of the liquefied gas solvent alone, a flash point at least 20 degrees Celsius higher than a flash point of the liquefied gas solvent alone, a flash point higher than 150° C., or no flash point, wherein the liquefied gas solvent is selected from methane, fluoromethane, difluoromethane, chloromethane, dichloromethane, ethane, fluoroethane, difluoroethane, tetrafluoroethane, chloroethane, dichloroethane, tetrachloroethane, propane, fluoropropane, chloropropane, ethylene, fluoroethylene, chloroethylene, or a combination thereof.

  一种可充电锂电池，包括阴极、阳极、设置在阳极和阴极之间的任选离子渗透膜、与阴极和阳极接触的不易燃的含盐液化气电解液，其中电解液包含溶解在锂盐浓度大于 1.0 M 的液化气溶剂中或与之混合的锂盐，使电解液在 20 摄氏度时的蒸气压小于 1 千帕、蒸气压小于单独液化气溶剂蒸气压的 60%，闪点比单独液化气溶剂的闪点至少高 20 摄氏度，闪点高于 150 摄氏度、或无闪点，其中液化气溶剂选自甲烷、氟甲烷、二氟甲烷、氯甲烷、二氯甲烷、乙烷、氟乙烷、二氟乙烷、四氟乙烷、氯乙烷、二氯乙烷、四氯乙烷、丙烷、氟丙烷、氯丙烷、乙烯、氟乙烯、氯乙烯或它们的组合。
• Encapsulated Cathode Active Material Particles, Lithium Secondary Batteries Containing Same, and Method of Manufacturing
  申请人：Nanotek Instruments, Inc.

  公开号：US20180294474A1

  公开（公告）日：2018-10-11

  Provided is particulate of a cathode active material for a lithium battery, comprising one or a plurality of cathode active material particles being embraced or encapsulated by a thin layer of a high-elasticity polymer having a recoverable tensile strain no less than 5 %, a lithium ion conductivity no less than 10 −6 S/cm at room temperature, and a thickness from 0.5 nm to 10 μm, wherein the polymer contains an ultrahigh molecular weight (UHMW) polymer having a molecular weight from 0.5×10 6 to 9×10 6 grams/mole. The UHMW polymer is preferably selected from polyacrylonitrile, polyethylene oxide, polypropylene oxide, polyethylene glycol, polyvinyl alcohol, polyacrylamide, poly(methyl methacrylate), poly(methyl ether acrylate), a copolymer thereof, a sulfonated derivative thereof, a chemical derivative thereof, or a combination thereof.
• Non-flammable Electrolyte Containing Liquefied Gas and Lithium Secondary Batteries Containing Same
  申请人：Nanotek Instruments, Inc.

  公开号：US20180375156A1

  公开（公告）日：2018-12-27

  A rechargeable lithium cell comprising a cathode, an anode, an optional ion-permeable membrane disposed between the anode and the cathode, a non-flammable salt-retained liquefied gas electrolyte in contact with the cathode and the anode, wherein the electrolyte contains a lithium salt dissolved in or mixed with a liquefied gas solvent having a lithium salt concentration greater than 1.0 M so that the electrolyte exhibits a vapor pressure less than 1 kPa when measured at 20° C., a vapor pressure less than 60% of the vapor pressure of the liquefied gas solvent alone, a flash point at least 20 degrees Celsius higher than a flash point of the liquefied gas solvent alone, a flash point higher than 150° C., or no flash point, wherein the liquefied gas solvent is selected from methane, fluoromethane, difluoromethane, chloromethane, dichloromethane, ethane, fluoroethane, difluoroethane, tetrafluoroethane, chloroethane, dichloroethane, tetrachloroethane, propane, fluoropropane, chloropropane, ethylene, fluoroethylene, chloroethylene, or a combination thereof.