CAS: 15739-80-7; Lead(Ii) Sulfate

专利信息

专利号:US-2013299748-A1
优先权日:2012-05-11
标题:Synthesis of high specific capacitance porous carbon powders for use in double electric layer electrochemical capacitors
发明人：KAZARYAN SAMVEL; KHARISOV GAMIR; LITVINENKO SERGEY; SHUMOVSKY VYACHESLAV I
权利人:KAZARYAN SAMVEL; KHARISOV GAMIR; LITVINENKO SERGEY; SHUMOVSKY VYACHESLAV I; UNIVERSAL SUPERCAPACITORS LLC
摘要:The present invention relates to the field of the synthesis of porous carbon materials and their use in the manufacture of electrodes with a double electric layer (DEL) for electrochemical capacitors having an aqueous and organic electrolyte having high specific energy parameters. The synthesis technology makes it possible to manufacture porous carbon powders made of carbohydrate substances with a low content of ash and metals in the powders with high specific capacitances and low specific electrical resistances.

专利号:US-4084936-A
优先权日:1975-08-16
标 题 :Reducing corrosion in reactors used for the synthesis of chromium dioxide
发明人：OHLINGER MANFRED; WAGNER GERHARD; HONECKER GERHARD; STRITZINGER HEINZ; SPAEHN HEINZ
权利人:BASF AG
摘要:In order to reduce corrosion of the inside walls of a reactor made of iron or an iron alloy and used for the synthesis of chromium dioxide by hydrothermal conversion of chromium(VI) oxide with chromium oxides of lower valency, lead or bismuth is added at those points of the reactor at which an aqueous phase occurs during conversion and which do not contact the chromium oxides to be converted. The lead or bismuth may be used in metallic form or in the form of their oxides, hydroxides or salts.

专利号:US-7118627-B2
优先权日:2003-12-04
标 题 :Synthesis of colloidal PbS nanocrystals with size tunable NIR emission
发明人：HINES MARGARET A; SCHOLES GREGORY D
权利人:HINES MARGARET A; SCHOLES GREGORY D
摘要:The present invention discloses a method for synthesis of narrowly dipsersed colloidal PbS nanocrystals that offer size-tunable near-infrared emission. The stability and processibility of these near-infrared emitting quantum dots makes them ideal materials for device applications. The use of cost-effective and non-pyrophoric precursors as well as the success of larger scale reactions means the present invention provides a method for the industrial scale production of PbS nanocrystals.

专利号:US-7255846-B2
优先权日:2005-05-03
标题:Methods for synthesis of semiconductor nanocrystals and thermoelectric compositions
发明人：REN ZHIFENG; CHEN GANG; POUDEL BED; KUMAR SHANKAR; WANG WENZHONG; DRESSELHAUS MILDRED
权利人:TRUSTEES BOSTON COLLEGE
摘要:The present invention provides methods for synthesis of IV–VI nanostructures, and thermoelectric compositions formed of such structures. In one aspect, the method includes forming a solution of a Group IV reagent, a Group VI reagent and a surfactant. A reducing agent can be added to the solution, and the resultant solution can be maintained at an elevated temperature, e.g., in a range of about 20° C. to about 360° C., for a duration sufficient for generating nanoparticles as binary alloys of the IV–VI elements.

专利号:US-2005036938-A1
优先权日:2003-08-13
标 题 :Method for synthesizing nanoparticles of metal sulfides
发明人：HYEON TAEGWHAN
摘要:A synthetic method of fabricating highly crystalline and uniform nanoparticles of metal sulfides, doped metal sulfides, and multi-metallic sulfides disclosed, using no-toxic and inexpensive reagents. A typical synthetic method comprises the steps of, synthesis of metal-surfactant complexes from the reaction of metal precursors and surfactant, addition of sulfur reagent to the solution containing said metal-surfactant complexes followed by heating to high temperature, aging at that temperature to produce metal sulfide nanoparticles and completing the formation of synthesis of nanoparticles metal sulfides and multi-metallic sulfides by adding a poor solvent followed by centrifuging.

专利号:US-9546317-B2
优先权日:2006-11-27
标 题:Synthesis of water soluble non-toxic nanocrystalline quantum dots and uses thereof
发明人：SHIH WEI-HENG; SHIH WAN Y; LI HUI
权利人:SHIH WEI-HENG; SHIH WAN Y; LI HUI; UNIV DREXEL
摘要:An economic, direct synthetic method for producing water soluble ZnS QDs that are ready for bioconjugation is provided. The method can produce aqueous ZnS QDs with emission wavelengths varying from 400 nm to 700 nm. Highly luminescent metal sulfide (MS) QDs are produced via an aqueous synthesis route. MS QDs are capped with thiol-containing charged molecules in a single step. The resultant MS QDs exhibit the distinctive excitonic photoluminescence desired of QDs and can be fabricated to avoid undesirable broadband emissions at higher wavelengths. The aqueous ZnS QDs are stable in biological fluids over a long period of time. In addition, non-toxic ZnS QDs have been produced with good photoluminescence properties.