摘要:
Provided are a structure for non-aqueous electrolyte secondary batteries in which at least one of a cathode with a separator and an anode with a separator are strongly adhered, an aqueous latex used to obtain the structure for non-aqueous electrolyte secondary batteries, and a separator/intermediate layer laminate. The aqueous latex according to the present invention contains polymer particles dispersed in water, the polymer particles containing a copolymer comprising a structural unit derived from an unsaturated dibasic acid, and/or a structural unit derived from an unsaturated dibasic acid monoester, and a structural unit derived from a vinylidene fluoride-based monomer, the aqueous latex being used in production of an intermediate layer to be provided in a structure for non-aqueous electrolyte secondary batteries having a cathode, an anode, and a separator laminated between the cathode and the anode, the intermediate layer being provided in at least one of between the cathode and the separator and between the anode and the separator.
摘要:
The present invention provides a novel compound to be used in a solar cell. The compound of the present invention is an organic-inorganic hybrid compound represented by Formula (I). €ƒ€ƒ€ƒ€ƒ€ƒ€ƒ€ƒ€ƒR 1 CH 2 N + H 3 M 1 X 1 3 ···€ƒ€ƒ€ƒ€ƒ€ƒ(I) where, R 1 is a C1-C5 alkyl group or C2-C5 alkenyl group substituted with at least one halogen atom; M 1 is a divalent metal ion; X 1 is a monovalent halogen atom ion; and X 1 3 is formed from one type of halogen atom ion or a combination of two or more types of halogen atom ions.
摘要:
An object of the present invention is to provide a non-aqueous electrolyte secondary battery that has a large charge/discharge capacity, has a small irreversible capacity, which is the difference between the doping capacity and the de-doping capacity, and is capable of effectively using an active material. The problem described above can be solved by a method for producing a carbonaceous material for a non-aqueous electrolyte secondary battery anode, the method including: (1) an alkali metal compound impregnating step of adding an elemental alkali metal or a compound containing an elemental alkali metal to a carbonaceous precursor to obtain an alkali-impregnated carbonaceous precursor; (2) a heat treatment step of: (a) obtaining a heat-treated product by performing main heat treatment on the alkali-impregnated carbonaceous precursor at 800°C to 1500°C in a non-oxidizing gas atmosphere, or (b) obtaining a heat-treated product by performing pre-heat treatment on the alkali-impregnated carbonaceous precursor at a temperature of not lower than 400°C and lower than 800°C in a non-oxidizing gas atmosphere and then performing main heat treatment at 800°C to 1500°C in a non-oxidizing gas atmosphere; and (3) coating the heat-treated product with pyrolytic carbon.
摘要:
A fiber formed from a resin that degrades in treatment fluid for hydrocarbon resource recovery, an oligomer component content of a resin forming an outer surface of the fiber being not greater than 1 mass%, and a birefringence of the fiber being not less than 0.02; a method for manufacturing a degradable fiber for use in well treatment fluid, the oligomer component content of a resin that forms an outer surface of an undrawn yarn obtained in a spinning step being not greater than 1 mass%, and a birefringence of a drawn yarn before heat treatment in a drawing step being not less than 0.02; and a well treatment method using the well treatment fluid containing the degradable fiber for use in well treatment fluid and a proppant.
摘要:
A degradable rubber member for a downhole tool formed from a rubber material containing from 0.1 to 20 parts by mass of a degradation accelerator relative to 100 parts by mass of a degradable rubber (optionally containing other rubber materials and/or reinforcing materials), of which, preferably, the decrease rate of the mass or the 50% strain compressive stress after immersion for 24 hours in 150°C water is not less than 5%, and/or the mass loss rate after immersion for 72 hours in 150°C water is from 5 to 100%, and further, as desired, the tensile fracture strain at 66°C is not less than 50%, the 70% strain compressive stress is not less than 10 MPa, and the compressive fracture strain is not less than 50%; a degradable seal member or a protecting member for downhole tools comprising such a rubber member; and a downhole tool such as a plug for well drilling, and a method for well drilling.
摘要:
Provided is a carbonaceous material for a non-aqueous electrolyte secondary battery anode having high discharge capacity per unit volume and excellent storage characteristics. The carbonaceous material for a non-aqueous electrolyte secondary battery anode of the present invention has a true density (Á Bt ) determined by a pycnometer method using butanol of not less than 1.55 g/cm 3 and less than 1.75 g/cm 3 and a discharge capacity of an anode at 0.05 V to 1.5 V in terms of a lithium reference electrode standard of not less than 180 mAh/g. Furthermore, the slope 0.9/X (Vg/Ah) of a discharge curve calculated from a discharge capacity X (Ah/g) and a potential difference of 0.9 (V) corresponding to 0.2 V to 1.1 V in terms of a lithium reference electrode standard is not greater than 0.75 (Vg/Ah), and an absorbed moisture quantity after storage for 100 hours in a 25°C 50% RH air atmosphere is not greater than 1.5 wt%.
摘要:
A negative electrode material for a non-aqueous electrolyte secondary battery and the like with high discharge capacity relative to volume and excellent cycle characteristics are provided. The negative electrode material for a non-aqueous electrolyte secondary battery of the present invention comprises, as an active material, a carbon material mixture including a non-graphitic carbon material and a graphitic material. In this carbon material mixture, the non-graphitic carbon material has an atom ratio (H/C) of hydrogen atoms to carbon atoms determined by elemental analysis of 0.10 or less, and an average particle size (D v50 ) of from 1 to 8 µm; and the graphitic material has a true density (Á Bt ) determined by a pycnometer method using butanol of 2.15 g/cm 3 or greater. The true density (Á Bt ) of the non-graphitic carbon material is preferably 1.52 g/cm 3 or greater and less than 2.15 g/cm 3 .
摘要翻译:提供相对于体积具有高放电容量和优异的循环特性的用于非水电解质二次电池等的负极材料。 本发明的非水电解质二次电池用负极材料含有包含非石墨质碳材料和石墨质材料的碳材料混合物作为活性物质。 在该碳材料混合物中,非石墨质碳材料通过元素分析测定的氢原子与碳原子的原子比(H / C)为0.10以下,平均粒径(D v50)为1〜8 微米; 并且石墨材料具有通过使用丁醇的比重瓶法测定的2.15g / cm 3或更大的真密度(ρBt)。 非石墨质碳材料的真密度(αBt)优选为1.52g / cm 3以上且小于2.15g / cm 3。
摘要:
An object of the present invention is to provide an aqueous vinylidene fluoride-based polymer composition capable of providing a mixture for a non-aqueous electrolyte secondary battery exhibiting excellent adhesive strength with a current collector, wherein the aqueous vinylidene fluoride-based polymer composition of the present invention comprises a vinylidene fluoride-based polymer and water; the vinylidene fluoride-based polymer exhibits a multi-modal scattering intensity distribution in dynamic light scattering; the vinylidene fluoride-based polymer comprises a component A having a particle size of not greater than 1 µm in a scattering intensity distribution and a component B having a particle size exceeding 1 µm; the D50 of component A is from 0.02 to 0.5 µm; the D50 of component B is from 1.1 to 50 µm; and the integrated value of a scattering intensity distribution frequency in a particle size range of from 1.0 to 1000.0 nm is in a range of from 70.0 to 98.7%.
摘要:
An object of the invention is to provide a process for producing non-aqueous battery electrode-forming binder solutions which includes a step of performing filtration with a filtration accuracy that enables suppressing of the occurrence of internal short circuits (shorts) in non-aqueous batteries such as lithium ion secondary batteries. A process for producing non-aqueous battery electrode-forming binder solutions of the invention includes a step (A) of filtering a polymer solution of a vinylidene fluoride resin in an organic solvent through a filter membrane (a) that is made of a polyolefin resin and has an initial filtration efficiency of not less than 99.9% for a filtering particle size of 20 µm.