摘要:
A binder made of a mixture of a first binder component including styrene butadiene copolymer containing styrene at between 20% and 70%, and a second binder component selected from at least one of styrene butadiene copolymer containing styrene at between 80% and 100% and polystyrene is used for the negative electrode of rechargeable batteries comprising a carbon material and the binder. The use of the negative electrode comprising the carbon material and binder results in good resistance to peeling of a coated film, and thus ease of handling of a negative electrode sheet. Consequently, rechargeable batteries with good low-temperature discharge characteristics are supplied at good yield.
摘要:
Graphite material capable of absorbing and desorbing lithium is employed as the negative electrode material of a non-aqueous electrolyte secondary battery, the negative electrode material being bound by at least one type of material selected from the group consisting of polyethylene, ethylene-vinyl acetate copolymer, ethylene-propylene copolymer, ethylene-propylene-vinyl acetate copolymer, and polypropylene. A non-aqueous electrolyte secondary battery with a high anti-peeling strength of the electrode mix, superiority in the ease of handling, a high reliability in mass production, a superior low-temperature discharge characteristic and cycle characteristic is provided by employing the negative electrode in combination with a rechargeable positive electrode and a non-aqueous liquid electrolyte.
摘要:
There is provided a resin composition affording a melt-molded article having excellent gas barrier properties and flex crack resistance. The present invention relates to a resin composition comprising a polyvinyl alcohol resin (A) having a 1,2-diol structural unit represented by the following general formula (1), a styrene-based thermoplastic elastomer (B), and a polyamide graft block copolymer (C) containing a polymer block of an aromatic vinyl compound and a polymer block of an olefinic compound in a main chain and having a graft chain composed of a polyamide: wherein each of R1, R2, and R3 independently represents a hydrogen atom or an organic group, X represents a single bond or a linking chain, and each of R4, R5, and R6 independently represents a hydrogen atom or an organic group.
摘要:
A method is provided for manufacturing a lithium secondary battery, wherein a negative electrode composite material layer formed on a negative electrode in this battery has a maximum point, in accordance with measurement of the pore distribution based on a mercury intrusion technique, in the pore diameter range (A) of from at least 0.3 μm to not more than 4 μm and in the pore diameter range (B) of from at least 0 μm to less than 0.3 μm, and has a ratio (VA/VB) between the pore volume (VA) at the maximum point in the range A and the pore volume (VB) at the maximum point in the range B of from at least 2.1 to not more than 3.4.
摘要:
A multilayer structure includes (A) a layer consisting primarily of a polyethylene terephthalate resin which includes a dicarboxylic acid component unit including terephthalic acid and a diol component unit primarily including ethylene glycol, the dicarboxylic acid component including a non-terephthalic-acid dicarboxylic acid in a copolymerization ratio of 15 to 40 mol % based on the overall amount of the dicarboxylic acid component; and (B) a layer provided in stacked adjacent relation to the layer (A) and consisting primarily of a polyvinyl alcohol resin having a structural unit represented by the following general formula (1):
摘要:
According to one embodiment, a transmitting apparatus includes a generation unit, a division unit, an imparting unit and a transmitting unit. The generation unit generates first control information in accordance with a first information format. The division unit divides the first control information into control information pieces in accordance with information format divisions into which the first information format is divided and which include respective pointer regions, each of the information format divisions having a same data length as a second information format. The imparting unit imparts, to the pointer region of each of the information format divisions, a pointer indicating a wireless communication resource used to transmit one of the control information pieces corresponding to one of the information format divisions other than the each control information format division. The transmitting unit transmits the control information pieces.
摘要:
The present invention provides a polyvinyl alcohol-based resin (PVOH-based resin) composition having less coloration from melt processing and having high aging stability of the melt viscosity. The present invention relates to a polyvinyl alcohol-based resin composition comprising a polyvinyl alcohol-based rein having a structural unit represented by the following formula (1) and having an absorbance of 0.1 to 0.3 of 280 nm in an ultraviolet absorbance spectrum as a 4 mass % aqueous solution, a carboxylic acid and an alkaline (earth) metal salt, wherein when an aqueous solution of the polyvinyl alcohol-based resin composition is prepared so as to have a content of the polyvinyl alcohol-based resin of 4 mass %, the pH of the aqueous solution at 20° C. is from 5.5 to 7: [wherein R1, R2 and R3 independently represent a hydrogen atom or an organic group, X represents a single bond or a bonding chain, and R4, R5 and R6 independently represent a hydrogen atom or an organic group].
摘要:
According to a deterioration detecting method for rechargeable lithium batteries, battery voltages of a rechargeable lithium battery before and after the completion of charging or discharging are measured. An evaluation value is calculated based on the measured battery voltages. This evaluation value is compared with a reference value of the rechargeable lithium battery stored in advance. A deterioration level of the rechargeable lithium battery is estimated based on this comparison result. In addition, further deterioration can be suppressed by controlling charging and discharging of the rechargeable lithium battery based on the estimated deterioration level.
摘要:
A non-aqueous electrolyte secondary battery comprising at least a negative electrode having a current collector provided thereon with convex portions and columnar bodies formed on the convex portions, each of the columnar bodies comprising n stages (where n≧2) of overlaid columnar body portions alternately tilted to different orientations along a longitudinal direction of the current collector, a positive electrode having a positive electrode current collector provided on both surfaces thereof with a positive electrode mixture layer containing a positive electrode active material capable of inserting and extracting lithium ions reversibly, and a separator interposed between the positive electrode and the negative electrode in a confronting manner, wherein tip portions of the columnar body portions at the uppermost stage of the columnar bodies on the negative electrode are tilted toward a trailing end of winding direction.
摘要:
A wireless communication apparatus includes a first wireless communicator, a second wireless communicator, and a controller. The first wireless communicator transmits and receives a wireless signal according to a first communication protocol, and scans a notice signal during a predetermined scan term in a first cycle non-integer times at least one of notice signal cycles in the first communication protocol. The second wireless communicator transmits and receives the wireless signal according to a second communication protocol. The controller switches the second wireless communicator to an non-transmission state and the first wireless communicator to a reception state during the scan term.