Abstract: A non-aqueous electrolyte used for a non-aqueous electrolyte secondary battery in which a negative electrode contains at least any of a silicon compound, a germanium compound, and a tin compound as a negative electrode active material particle, the non-aqueous electrolyte including a silane compound represented by the following general formula (1). This provides a non-aqueous electrolyte and a non-aqueous electrolyte secondary battery in which a battery cell hardly expands even when a negative electrode material such as a silicon material is used.

Abstract: A non-aqueous electrolyte used for a non-aqueous electrolyte secondary battery, including a silane compound represented by the following general formula (1). By this configuration, a highly safe non-aqueous electrolyte and a non-aqueous electrolyte secondary battery even after charge and discharge are provided: Si(R1)t(R2)m(R3)4-1-m??(1) wherein R1 represents a heteroaryl group having 4 to 20 carbon atoms; R2 represents an alkenyl group or an alkynyl group having 2 to 20 carbon atoms; R3 represents an alkyl group having 1 to 20 carbon atoms; and “l” and “m” each independently represents an integer of 1 to 3, provided that 2?1+m?4 is satisfied.

Abstract: A non-aqueous electrolyte liquid including: a non-aqueous solvent; an electrolyte salt dissolved in the non-aqueous solvent; and a silane compound represented by the following general formula (1), Si ( R 1 ) l ? ( R 2 ) m ? ( R 3 ) n ? ( R 4 ) 4 - l - m - n ( 1 ) wherein R represents an alkenyl group having 2 to 20 carbon atoms, R2 represents a substituted or unsubstituted arylethynyl group having 8 to 20 carbon atoms, R3 represents an alkyl group having 1 to 20 carbon atoms, R4 represents an alkynyl group having 2 to 20 carbon atoms, “l” and “m” each independently represent an integer of 1 to 3, “n” represents an integer of 0 to 2, and “l”, “m”, and “n” represent integers satisfying 2?l+m+n?4.

Abstract: A negative electrode including negative electrode active material particles, wherein the negative electrode was charged at least once, the negative electrode active material particles contain silicon oxide particles coated with a carbon layer, and the silicon oxide particles contain Li2SiO3 in at least a part thereof, outermost surfaces of the negative electrode active material particles are covered with a composite coating containing Si, O, C, and H, and a TOF-SIMS spectrum of a surface of the negative electrode active material particles obtained by time-of-flight secondary ion mass spectrometry has at least one negative secondary ion peak of a peak attributed to SiHO3?, a peak attributed to SiO2CH3?, and a peak attributed to SiOCH3?.

Abstract: A non-aqueous electrolyte used for a non-aqueous electrolyte secondary battery in which a negative electrode contains at least any of a silicon compound, a germanium compound, and a tin compound as a negative electrode active material particle, the non-aqueous electrolyte including at least one or more silane compounds selected from silane compounds represented by the following general formulae (1), (2), etc. This provides a non-aqueous electrolyte and a non-aqueous electrolyte secondary battery in which a battery cell hardly expands even when the negative electrode material such as the silicon material is used.

Abstract: A resin-coated metal powder according to the present invention is obtained by covering at least a part of the surface of a metal powder with a hydrolyzable resin that has an average composition of general formula (1) and a number average molecular weight of from 500 to 100,000; and this resin-coated metal powder exhibits sufficient dispersibility in an aqueous solution, while being stable for a relatively long period of time even in the coexistence of water in an aqueous coating material.

Abstract: A polysiloxazane compound including a repeating unit of the following general formula (1), and having a number average molecular weight of 500 to 100,000 as measured by gel permeation chromatography versus polystyrene standards, wherein R1 and R2 each independently represent a substituted or unsubstituted C1-C50 monovalent hydrocarbon group optionally containing a hetero atom, Xs each independently represent a methyl group, an oxygen atom, NH—SiX2, or (NH)(3-r)/2—SiR1R2r (R1 and R2 have the same meaning as provided above), or Xs are joined to one another to represent an oxygen atom, n is an integer of 0 to 8, when the number of NH—SiX2 is denoted by p, p satisfies 0?p/(2n+4)?0.5, r is an integer of 0, 1, or 2, and a and b are numbers satisfying 0<a?1, 0?b<1, and a+b=1.

Abstract: Provided is a carbonate-containing silane compound having a characteristic structure that at least two silicon atoms are linked by a carbon chain. The silane compound is chemically stable. When used as an additive to a nonaqueous electrolyte solution, the silane compound does not jeopardize the safety of lithium ion secondary batteries.

Abstract: A process for producing a dimethylchlorosilane compound of formula (2) below: wherein X represents a halogen atom or an acyloxy group having 2 to 20 carbon atoms, the process including the step of: reacting an allyl compound of formula (1) below: wherein X has a meaning same as above, with dimethylchlorosilane in presence of an iridium catalyst, wherein the dimethylchlorosilane has a content of 1,1,3,3-tetramethyldisiloxane of 5.0 wt % or less.

Abstract: A composition is provided comprising (a) a polysilazane having a monovalent hydrocarbon group, (b) untreated metal oxide nanoparticles, metal oxide nanoparticles having a monovalent hydrocarbon group, or metal oxide nanoparticles having an alkylsilyl or alkoxysilyl group, and (c) an aprotic solvent. The composition has storage stability and is suitable for forming a film having water repellent, especially superhydrophobic properties.

Abstract: The invention provides an organosilane compound having a more bulky substituent group than the existing organosilane compounds. The compound is represented by formula (1) wherein R1 is a C4-C10 tertiary hydrocarbon group, R2 is a C1-C10 alkyl group, and LG is halogen or trifluoromethanesulfonyloxy.

Abstract: The invention provides an organosilane compound having a more bulky substituent group than the existing organosilane compounds. The compound is represented by formula (1) wherein R1 is a C4-C10 tertiary hydrocarbon group, R2 is a C1-C10 alkyl group, and LG is halogen or trifluoromethanesulfonyloxy.

Abstract: A polysiloxazane compound including a repeating unit of the following general formula (1), and having a number average molecular weight of 500 to 100,000 as measured by gel permeation chromatography versus polystyrene standards, wherein R1 and R2 each independently represent a substituted or unsubstituted C1-C50 monovalent hydrocarbon group optionally containing a hetero atom, Xs each independently represent a methyl group, an oxygen atom, NH—SiX2, or (NH)(3-r)/2—SiR1R2r (R1 and R2 have the same meaning as provided above), or Xs are joined to one another to represent an oxygen atom, n is an integer of 0 to 8, when the number of NH—SiX2 is denoted by p, p satisfies 0?p/(2n+4)?0.5, r is an integer of 0, 1, or 2, and a and b are numbers satisfying 0<a?1, 0?b<1, and a+b=1.

Abstract: Provided is a carbonate-containing silane compound having a characteristic structure that at least two silicon atoms are linked by a carbon chain. The silane compound is chemically stable. When used as an additive to a nonaqueous electrolyte solution, the silane compound does not jeopardize the safety of lithium ion secondary batteries.

Abstract: A composition is provided comprising (a) a polysilazane having a monovalent hydrocarbon group, (b) untreated metal oxide nanoparticles, metal oxide nanoparticles having a monovalent hydrocarbon group, or metal oxide nanoparticles having an alkylsilyl or alkoxysilyl group, and (c) an aprotic solvent. The composition has storage stability and is suitable for forming a film having water repellent, especially superhydrophobic properties.