摘要:
A positive electrode for a nonaqueous electrolyte secondary battery using a positive electrode active material mixture according to an embodiment of the invention includes a positive electrode active material capable of intercalating and deintercalating a lithium ion, a conductive agent and a binder, in which the positive electrode active material is produced by coating cobalt-based lithium composite oxide represented by a general formula: LiaCo1-sM1sO2 with lithium nickel cobalt manganese oxide represented by a general formula: LibNitCouMnvO2, the ratio r1/r2 of the average particle diameter r1 of the cobalt-based lithium composite oxide and the average particle diameter r2 of the lithium nickel cobalt manganese oxide is 2≦r1/r2≦50, and the average particle diameter r2 of the lithium nickel cobalt manganese oxide is 0.5 μm≦r2≦20 μm. By containing such a constitution, a positive electrode for a nonaqueous electrolyte secondary battery in which even when the charging discharging is repeated at a high potential of 4.5 V based on lithium, not only is the retention characteristics in a charged state excellent, but also the enhancing the capacity and the energy density of the battery can be achieved; and a production method thereof, can be provided.
摘要翻译:根据本发明的实施方式的使用正极活性物质混合物的非水电解质二次电池用正极包括能够插入和脱嵌锂离子的正极活性物质,导电剂和粘合剂,其中正极 通过涂覆由以下通式表示的钴基锂复合氧化物来生产活性材料:由以下通式表示的钴基锂复合氧化物:1 / > 2 sub>与由以下通式表示的锂镍钴锰氧化物:Li&lt; b&gt;&lt;&lt;&lt;&lt; O 2的平均粒径r 1的比值r 1 / r 2 2 2> 钴基锂复合氧化物和锂镍钴锰氧化物的平均粒径r 2 2是2≤R1/2/2 > <= 50,并且锂镍钴锰氧化物的平均粒径r 2 N 2 ide为0.5μm<= R <2 <=20μm。 通过含有这样的构成,即使在以基于锂的4.5V的高电位重复充电放电的情况下,非水电解质二次电池用正极不仅充电状态下的保持特性优异, 可以实现电池的容量和能量密度的提高; 及其制造方法。
摘要:
A catadioptric optical system comprising a first imaging optical system including a concave mirror and forming an intermediate image of a first object, said first imaging optical system forming a reciprocating optical system that an incidence light and reflected light pass, a second imaging optical system for forming an image of the intermediate image onto a second object, and a first optical path deflective member, provided between the concave mirror and the intermediate image, for introducing a light from the first imaging optical system to the second imaging optical system, wherein said first optical path deflective member deflects a light in such a direction that a forward path of the first imaging optical system intersects a return path of the first imaging optical system, and wherein said intermediate image is formed without an optical element after a deflection.
摘要:
An immersion optical system that condenses light from a light source toward a first surface includes a lens having a concave lens surface closest to the first surface, a liquid being filled in a space between the concave lens surface and the first surface, wherein a conditional equation d>L/[2×tan {arcsin(NA/ni)}] is met, where d is a distance between a first point and a second point when the distance becomes maximum between the first point on the concave lens surface and the second point on the first surface in a direction substantially orthogonal to the first surface, L/2 is a maximum distance from the second point to an edge of an irradiation area of the light on a first surface, NA is a numerical aperture of the immersion optical system, and ni is a refractive index of the liquid.
摘要:
A catadioptric optical system comprising a first imaging optical system including a concave mirror and forming an intermediate image of a first object, said first imaging optical system forming a reciprocating optical system that an incidence light and reflected light pass, a second imaging optical system for forming an image of the intermediate image onto a second object, and a first optical path deflective member, provided between the concave mirror and the intermediate image, for introducing a light from the first imaging optical system to the second imaging optical system, wherein said first optical path deflective member deflects a light in such a direction that a forward path of the first imaging optical system intersects a return path of the first imaging optical system, and wherein said intermediate image is formed without an optical element after a deflection.
摘要:
A display optical system for guiding light from an image to an observer or a surface projecting an image thereon with a first optical system and second optical system. The first optical system having a first surface formed on a transparent body with a reflecting action, a second surface reflecting light reflected on the first surface toward the first surface again, and a third surface formed on the transparent body transmitting light from the image. The light transmitted through the third surface travels toward the first surface and is reflected for the first time. In addition, a principal ray, central angle of view to be reflected for the last time on the first surfaces is reflected to a side opposite a side of the first reflection on the first surface with respect to a normal line of a surface on a hit point thereof.
摘要:
The present invention relates to a stereoscopic image display apparatus having light source means for emitting a light beam having a predetermined shape, a transmission type display device for displaying an image, a micro optical element arranged between the light source means and the display device and having different optical effects in horizontal and vertical directions, the micro optical element irradiating the light beam emitted by the light source means onto the display device by giving directivity to the light beam to split the light beam into at least two regions, and adjusting means for adjusting an interval between the light source means and the micro optical element in correspondence with an image displayed on the display device.
摘要:
This invention velates to an image displaying apparatus which includes a plurality of image displaying devices for displaying respective display images on display surfaces thereof, reflecting surfaces provided in correspondence to the respective image display devices, each for reflecting a light beam from the corresponding image display device and an optical system for guiding light beams from the plurality of reflecting surfaces to a pupil of an observer.
摘要:
A pyran derivative has a structure of R.sup.2 R.sup.3 C.dbd.(C.sub.5 H.sub.2 R.sup.1 O)--(CH.dbd.CH).sub.n --C.sub.6 H.sub.2 R.sup.6 R.sup.7 --NR.sup.4 R.sup.5 wherein n is 3 or 4; R.sup.1 is a proton, alkyl or phenyl group; each of R.sup.2 and R.sup.3 is independently a cyano, alkoxycarbonyl having an alkyl, acyl having an alkyl, aracyl having phenyl, sulfonyl, aryl, or aryloxy; each of R.sup.4 and R.sup.5 is an alkyl group; and each of R.sup.6 and R.sup.7 is a proton, provided that R.sup.4 and R.sup.5 are alkyl groups, and a pair of R.sup.4 and R.sup.6 as well as a pair of R.sup.5 and R.sup.7 can be bonded to each other to form a heterocycle. A photosensitive composition comprises a polymerizable compound, a polymerization initiator and a photosensitizer which is the pyran derivative. A photosensitive resin composition comprises a crosslinkable polymer, a crosslinking agent and the photosensitizer. A hologram recording medium mainly comprises the photosensitive composition or the photosensitive resin composition.
摘要:
A magneto-optical disk according to the present invention has a transmission directory and a reception directory. An image to be transmitted is stored under the transmission directory as a single file, while a received image is stored under the reception directory as a single file. The operator designates a desired file stored under each of the directories for printing or transmission.
摘要:
An apparatus for recording and reproducing information on and from optical or opto-magnetic information recording media is disclosed. The apparatus comprises an irradiation device for irradiating a light beam polarized in a predetermined direction to an opto-magnetic recording medium an, application device for applying a predetermined magnetic field to the recording medium, an optical device for condensing the light beam obtained through the recording medium, and a detector for detecting the light beam condensed by the optical device. The detector has an effective light receiving surface almost equal to the airy disk size determined by the resolving power of the optical device. The apparatus precisely detects edges of information magnetic domains by using the S-polarized component produced by the opto-magnetic recording medium under the magnetic Kerr effect.