摘要:
Using a silicon-containing carbon-based composite material represented by the compositional formula: SiOxCyHz. In this formula, “x” is from 0.8 to 1.7, “y” is from 1.4 to 7.5, and “z” is from 0.3 to 1.3. The composite material is preferably obtained by: obtaining a cured product by crosslinking (A) a crosslinkable group-containing organic compound, and (B) a silicon-containing compound capable of crosslinking the crosslinkable group-containing organic compound, and heat treating the obtained cured product. The composite material of the present invention has high reversible capacity and stable charge and discharge cycle characteristics, and has high initial charge and discharge efficiency. Therefore, the composite material of the present invention is suitable for an electrode of an electricity storage device, particularly of a lithium or lithium-ion secondary battery.
摘要:
An electrode active material comprising a silicon-containing carbon-based composite material obtained by: preparing a cured product of (A) a silicon-free organic compound having a crosslinkable group, and (B) a silicon-containing compound capable of crosslinking the component (A); and baking the cured product in an inert gas or in a vacuum at 300 to 1,500° C.; an electrode comprising the electrode active material; and an electricity storage device comprising the electrode. The electrode active material has high reversible capacity and stable charge and discharge cycle characteristics, has little electrical potential loss when lithium is discharged, and furthermore, can be manufactured via a simple manufacturing process. Therefore, an electrode active material that is particularly suitable for an electrode of a lithium secondary battery can be provided, and an electricity storage device having an electrode comprising the electrode active material can also be provided.
摘要:
This invention relates to an electrode active material, an electrode containing the active material, and an electricity storage device including the electrode. The electrode active material comprises a silicon-containing carbon-based composite material obtained by preparing a uniform phase comprising at least (A) a crosslinkable composition that includes a silicon-containing compound having a crosslinkable group, and (B) a liquid or melt that does not participate in the crosslinking reaction of the crosslinkable composition; then crosslinking the component (A), causing phase-separation from the component (B) for obtaining silicon-containing crosslinked particles or a dispersion wherein the silicon-containing crosslinked particles are dispersed in the component (B); and then baking the silicon-containing crosslinked particles or the dispersion in an inert gas or in a vacuum at 300 to 1,500° C. The electrode active material is particularly suitable as an electrode of a lithium secondary battery, displays high reversible capacity and stable charge and discharge cycle characteristics, and is characterized by having little electrical potential loss when lithium is discharged.
摘要:
A curable liquid composition obtained by subjecting hydrogen halosiloxane or hydrogen alkoxysilane to condensation or to hydrolysis and condensation in an organic solvent in which fine polyvalent metal oxide particles with hydroxyl groups are dispersed; a method of forming a hard silica-type layer by applying onto an inorganic substrate the aforementioned composition and then curing the composition; an inorganic substrate with the aforementioned hard silica-type layer; and a semiconductor device comprising the aforementioned inorganic substrate on which a semiconductor layer is formed.
摘要:
A metal particle dispersion structure characteristically comprising (B) 0.005 to 100 weight parts of metal nanoparticles dispersed in (A) 100 weight parts of polymerized polymer, wherein the metal nanoparticles are metal particles obtained by mixing (b1) organohydrogenpolysiloxane and (b2) at least one metal compound which is soluble in component (b3) to uniformity in (b3) cyclic or chain dimethylpolysiloxane or at least one organic solvent.
摘要:
A process for producing silicon-containing particles having an extremely small particle diameter by a simple process without using surface-active agents or the like. The process is characterized by forming silicon-containing particles as a result of phase separation from an organic polymer, wherein the phase separation is achieved by an addition reaction, condensation reaction, ring-opening reaction, or a radical reaction of a curable silicon-containing compound or a curable composition that contains said compound, and the silicon-containing compound or the composition is maintained in a uniform liquid, fused, or dissolved phase with the organic polymer that is free of silicon and does not participate in the curing reaction of the silicon-containing compound or the composition.
摘要:
A room-temperature-curable silicone rubber composition comprising (A) 100 parts by weight of a polydiorganosiloxan mixture comprising: (A-1) 20 to 95 wt. % of a polydiorganosiloxane having both molecular terminals capped with dialkoxysilyl groups or trialkoxysilyl groups, (A-2) 5 to 80 wt. % of a polydiorganosiloxane having a molecular terminal capped with dialkoxysilyl group or trialkoxysilyl group and the other molecular terminal capped with monoalkoxysilyl group, hydrosilyl group, trialkylsilyl group or trialkoxyalkylsilyl group, and (A-3) 0 to 30 wt. % of a polydiorganosiloxane having both molecular terminals capped with monoalkoxysilyl group, hydlosilyl group, trialkylsilyl group or trialkoxyalkylsilyl group, (B) one or more alkoxysilanes of the formula R5bSi(OR6)4-b or partial hydrolysis and condensation products thereof, and (C) an organotitanium compound. The composition is used as a sealant.
摘要翻译:一种室温可固化的硅橡胶组合物,其包含(A)100重量份的聚二有机基硅氧烷混合物,其包含:(A-1)20至95重量% 具有两个分子末端被二烷氧基甲硅烷基或三烷氧基甲硅烷基封端的聚二有机硅氧烷的%,(A-2)5-80重量% %的分子末端用二烷氧基甲硅烷基或三烷氧基甲硅烷基封端的聚二有机硅氧烷,另一分子末端用单烷氧基甲硅烷基,氢化硅烷基,三烷基甲硅烷基或三烷氧基烷基甲硅烷基封端,和(A-3)0〜30wt。 (B)一种或多种式R 5 b Si(OR 6)4-b的烷氧基硅烷或其部分水解和缩合产物,和(C )有机钛化合物。 该组合物用作密封剂。
摘要:
A silicone composition comprises (a) a curable silicone resin, (b) an inorganic particle having a polymeric surface coating formed thereon, and (c) a cross-linking compound. The (a) curable silicone resin comprises units having a functional group R1 selected from an aryl group, an alkyl group, an alkenyl group, and hydrogen. The polymeric surface coating comprises an organopolysiloxane. The organopolysiloxane comprises units selected from R23SiO1/2, R22SiO2/2, R2SiO3/2, and combinations thereof. R2 is selected from an aryl group, an alkyl group, an alkenyl group, hydrogen, and combinations thereof, and R1 equals R2. The (c) cross-linking compound is reactive with at least one of (a) and the polymeric surface coating.
摘要:
A curable liquid composition obtained by subjecting hydrogen halosiloxane or hydrogen alkoxysilane to condensation or to hydrolysis and condensation in an organic solvent in which fine polyvalent metal oxide particles with hydroxyl groups are dispersed; a method of forming a hard silica-type layer by applying onto an inorganic substrate the aforementioned composition and then curing the composition; an inorganic substrate with the aforementioned hard silica-type layer; and a semiconductor device comprising the aforementioned inorganic substrate on which a semiconductor layer is formed.
摘要:
A copper indium diselenide (CIS)-based photovoltaic device includes a CIS-based solar absorber layer including copper, indium, and selenium. The CIS-based photovoltaic device further includes a substrate including a silicone layer formed from a silicone composition and a metal foil layer. The substrate, due to the presence of the silicone layer and the metal foil layer, is both flexible and sufficiently able to withstand annealing temperatures in excess of 500° C. to obtain maximum efficiency of the device.