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    • 4. 发明申请
    • CHEMICAL PREPARATION OF LITHIUM SULFIDE NANOPARTICLES
    • 硫化锂纳米粒子的化学制备
    • WO2017168386A1
    • 2017-10-05
    • PCT/IB2017/051863
    • 2017-03-31
    • UNIVERSIDAD ANDRÉS BELLO
    • PÉREZ-DONOSO, José ManuelCOLLAO ABARCA, Bernardo
    • C01B17/22C01B17/24C01B17/40
    • Method for chemical preparation of lithium sulfide nanoparticles (Li 2 S NPs) comprising: a) Mixing an aqueous solution of a lithium salt with an aqueous solution of a compound such as thiol in a citrate-borax buffer solution at pH 8.0. 5 b) Incubating the solution obtained in stage (a) at a temperature between 50- 170°C in an aerobic or anaerobic atmosphere during 1-8 hours, until lithium sulfide nanoparticles are formed. c) Reducing incubation temperature of stage (b) to 2-10°C during 2-6 hours. d) Stopping the reaction once stage (c) incubation time has passed. NPs created by means of the proposed method have a particle size between 15 and 30 nm and an absorbance pattern with maximum absorbance between 400 and 410 nm. Use of NPs obtained by the proposed method in the manufacture of batteries, rechargeable batteries, supercapacitors and energy storage devices.
    • 化学制备硫化锂纳米颗粒(Li 2 S NPs)的方法,包括:a)将锂盐水溶液与化合物如 硫醇在pH 8.0的柠檬酸盐 - 硼砂缓冲溶液中。 b)在1-8小时期间在需氧或厌氧气氛中在50-170℃的温度下孵育阶段(a)中获得的溶液,直至形成硫化锂纳米颗粒。 c)在2-6小时期间将阶段(b)的温育温度降低至2-10℃。 d)一旦停止反应阶段(c)温育时间已经过去。 通过所提出的方法产生的NP具有15-30nm的粒径和400-410nm的最大吸收的吸光度模式。 使用所提出的方法获得的NP可用于制造电池,可再充电电池,超级电容器和储能装置。