Abstract: Provided is a method of manufacturing a composite hydroxide that can appropriately control a BET specific surface area. The method of manufacturing a composite hydroxide containing at least nickel (Ni) and cobalt (Co), wherein a first metal-containing aqueous solution containing A mol % of nickel (Ni) and B mol % of cobalt (Co), a second metal-containing aqueous solution containing C mol % of nickel (Ni) and D mol % of cobalt (Co), wherein A>C, B<D, A+B=100, and C+D=100, an aqueous solution of an alkali metal, and an aqueous solution containing an ammonium-ion supplying material, are separately fed into a reaction vessel; and a solution in the reaction vessel is maintained to have a pH value based on a liquid temperature at 25° C. within a range of 10.0 or higher and 13.0 or lower and a concentration of ammonium ion within a range of 1.0 g/L, or more and 10.0 g/L or less.

Abstract: A nickel-containing hydroxide capable of obtaining a positive electrode active material having excellent initial charge-discharge efficiency and a high volume capacity density. The nickel-containing hydroxide for a precursor of a positive electrode active material of a non-aqueous electrolyte secondary battery, wherein when a peak intensity of a diffraction peak appearing in the range of 2?=19.2±1 in powder X-ray diffraction measurement using CuK? rays is defined as ?, and a peak intensity of a diffraction peak appearing in the range of 2?=38.5±1 in powder X-ray diffraction measurement using CuK? rays is defined as ?, the peak intensity ratio of ?/? is 0.80 or more and 1.38 or less, and the average long diameter of primary particles is 290 nm or more and 425 nm or less.

Abstract: The present invention relates to a positive electrode active material for a lithium secondary battery, including a lithium composite metal oxide in a form of secondary particles formed by aggregation of primary particles, wherein the secondary particles have voids in interior thereof and a number of the voids with cross section thereof present per 1 ?m2 of cross section of the secondary particles is 0.3 or more and 15 or less.

Abstract: Provided is a nickel composite hydroxide that was excellent in reactivity to a lithium compound and a positive electrode active material using the nickel composite hydroxide as a precursor. The nickel composite hydroxide, having an average diameter of pores of 50 ? or larger and 60 ? or smaller in pore distribution measurement by a nitrogen adsorption method and an integrated intensity ratio of a diffraction peak appearing in a range of 2?=51.9±1.0°/a diffraction peak appearing in a range of 2?=19.1±1.0° in powder X-ray diffraction using CuK? rays of 0.40 or more and 0.50 or less.

Abstract: Provided is a nickel composite hydroxide capable of reducing a calcination temperature when producing a positive electrode active material, and a positive electrode active material using the nickel composite hydroxide as a precursor. The nickel composite hydroxide for a precursor of a positive electrode active material of a non-aqueous electrolyte secondary battery, wherein when in the nickel composite hydroxide, a peak intensity of a diffraction peak on a (200) plane in powder X-ray diffraction measurement using CuK? rays is defined as ?, and a peak intensity of a diffraction peak on a (013) plane in powder X-ray diffraction measurement using CuK? rays is defined as ?, a value of ?/? is 0.75 or more and 0.95 or less, and the nickel composite hydroxide comprises Ni, Co, Mn, and one or more additive elements M selected from the group consisting of Al, Fe, Ti and Zr.

Abstract: The positive electrode active material for secondary batteries having a layered structure containing at least nickel, cobalt, and manganese, as single-crystal particles and/or secondary particles that are aggregates of a plurality of primary particles, wherein: an average particle strength of particles having a particle size of (D50)±1.0 ?m is 200 MPa or more, wherein (D50) is a particle size at a cumulative volume percentage of 50% by volume; and ?/? is set to satisfy 0.97??/??1.25, provided that ? is a full width at half maximum of a lower angle peak among two diffraction peaks appearing in a range of 2?=64.5±1° in an X-ray diffraction pattern, and ? is a full width at half maximum of a higher angle peak among the diffraction peaks.

Abstract: The present invention relates to a positive electrode active material for a lithium secondary battery, comprising a powder of a lithium metal composite oxide represented by formula (1) below: Li[Lix(Ni(1?y?z?w)CoyMnzMw)1?x]O2 (1) (wherein M is one or more elements selected from the group consisting of Fe, Cu, Ti, Mg, Al, W, B, Mo, Nb, Zn, Sn, Zr, Ga and V, ?0.1?x?0.2, 0<y?0.4, 0<z?0.4, 0?w?0.1, 0.25<y+z+w), wherein the powder of lithium metal composite oxide includes primary particles and secondary particles that are aggregates of the primary particles, a BET specific surface area of the positive electrode active material for the lithium secondary battery is 1 m2/g or more and 3 m2/g or less, and an average crushing strength of the secondary particles is 10 MPa or more and 100 MPa or less.

Abstract: The present invention relates to a positive electrode active material for a lithium secondary battery, including a lithium composite metal oxide in a form of secondary particles formed by aggregation of primary particles, wherein the secondary particles have voids in interior thereof and a number of the voids with cross section thereof present per 1 ?m2 of cross section of the secondary particles is 0.3 or more and 15 or less.

Abstract: A positive electrode active material for a lithium secondary cell, having a layered structure and comprising at least nickel, cobalt and manganese, the positive electrode active material satisfying requirements (1), (2) and (3) below: (1) a composition represented by a composition formula: Li[Lix(Ni?Co?Mn?M?)1-x]O2, wherein 0?x?0.10, 0.30<??0.34, 0.30<??0.34, 0.32??<0.40, 0???0.10, ?<?, ?+?+?+?=1, M represents at least one metal selected from the group consisting of Fe, Cu, Ti, Mg, Al, W, Zn, Sn, Zr, Ga and V; (2) a secondary particle diameter of 2 ?m or more and 10 ?m or less; and (3) a maximum peak value in a pore diameter range of 90 nm to 150 nm in a pore diameter distribution determined by mercury porosimetry.

Abstract: According to an embodiment, a communication repeater device includes storage and a controller which detects, upon receiving a radio frame including pairs of orthogonal frequency division multiplexing symbols and cyclic prefixes from the radio base station, switching timing between uplink and downlink according to similarity between certain sections of an original radio frame and a time-shifted radio frame. The controller estimates the subsequent switching timing between the uplink and the downlink from the detected switching timing and frame information stored in the storage.

Abstract: According to an embodiment, a communication apparatus includes a switching unit, a reception unit, a rising edge detector, a symbol detector, and a switching timing detector. The switching unit switches a transmission operation of a signal in the communication apparatus between uplink signal transmission and downlink signal transmission. The reception unit receives a signal transmitted in a time division multiplexing scheme. The rising edge detector detects a rising edge of a received signal received by the reception unit. The symbol detector detects a symbol of a signal indicating a guard time in the time division multiplexing scheme from the received signal. The switching timing detector detects a switching timing of the transmission operation from the switching unit on the basis of detection results of the rising edge detector and the symbol detector.

Abstract: According to an embodiment, a communication apparatus includes a switching unit, a reception unit, a rising edge detector, a symbol detector, and a switching timing detector. The switching unit switches a transmission operation of a signal in the communication apparatus between uplink signal transmission and downlink signal transmission. The reception unit receives a signal transmitted in a time division multiplexing scheme. The rising edge detector detects a rising edge of a received signal received by the reception unit. The symbol detector detects a symbol of a signal indicating a guard time in the time division multiplexing scheme from the received signal. The switching timing detector detects a switching timing of the transmission operation from the switching unit on the basis of detection results of the rising edge detector and the symbol detector.

Abstract: According to an embodiment, a communication repeater device includes storage and a controller which detects, upon receiving a radio frame including pairs of orthogonal frequency division multiplexing symbols and cyclic prefixes from the radio base station, switching timing between uplink and downlink according to similarity between certain sections of an original radio frame and a time-shifted radio frame. The controller estimates the subsequent switching timing between the uplink and the downlink from the detected switching timing and frame information stored in the storage.

Abstract: Provided is a positive electrode active material which is useful for a lithium secondary battery having a battery resistance lower than that of the conventional positive electrode active material below freezing point. The positive electrode active material for a lithium secondary battery contains at least one element selected from a group consisting of nickel, cobalt and manganese, the positive electrode active material having a layered structure and satisfying all of the following requirements (1) to (3): (1) a primary particle size is 0.1 ?m to 1 ?m and a secondary particle size is 1 ?m to 10 ?m; (2) in an X-ray powder diffraction measurement using CuK? radiation, a crystallite size in the peak within 2?=18.7±1° is 100 ? to 1200 ? and a crystallite size in the peak within 2?=44.6±1° is 100 ? to 700 ?; and (3) in a pore distribution obtained by a mercury intrusion method, a pore peak exists in a range where the pore size is 10 nm to 200 nm and a pore volume in the said range is 0.01 cm3/g to 0.05 cm3/g.

Abstract: A positive electrode active material for a lithium secondary cell, having a layered structure and comprising at least nickel, cobalt and manganese, the positive electrode active material satisfying requirements (1), (2) and (3) below: (1) a composition represented by a composition formula: Li[Lix(Ni?Co?Mn?M?)1-x]O2, wherein 0?x?0.10, 0.30<??0.34, 0.30<??0.34, 0.32??<0.40, 0???0.10, ?<?, ?+?+?+?=1, M represents at least one metal selected from the group consisting of Fe, Cu, Ti, Mg, Al, W, Zn, Sn, Zr, Ga and V; (2) a secondary particle diameter of 2 ?m or more and 10 ?m or less; and (3) a maximum peak value in a pore diameter range of 90 nm to 150 nm in a pore diameter distribution determined by mercury porosimetry.

Abstract: Provided is a positive electrode active material which is useful for a lithium secondary battery having a battery resistance lower than that of the conventional positive electrode active material below freezing point. The positive electrode active material for a lithium secondary battery contains at least one element selected from a group consisting of nickel, cobalt and manganese, the positive electrode active material having a layered structure and satisfying all of the following requirements (1) to (3): (1) a primary particle size is 0.1 ?m to 1 ?m and a secondary particle size is 1 ?m to 10 ?m; (2) in an X-ray powder diffraction measurement using CuK? radiation, a crystallite size in the peak within 2?=18.7±1° is 100 ? to 1200 ? and a crystallite size in the peak within 2?=44.6±1° is 100 ? to 700 ?; and (3) in a pore distribution obtained by a mercury intrusion method, a pore peak exists in a range where the pore size is 10 nm to 200 nm and a pore volume in the said range is 0.01 cm3/g to 0.05 cm3/g.

Abstract: A wireless communication apparatus includes an antenna unit, a wireless communication unit, an arithmetic unit, and an antenna control unit. The antenna unit receives wireless signals from wireless communication terminals existing in a communication area, and can change a direction of directivity. The wireless communication unit acquires pieces of position information contained in the wireless signals. The arithmetic unit calculates moving directions and moving speeds of the wireless communication terminals, and calculates remaining times based on the pieces of position information, the moving directions, and the moving speeds. The antenna control unit changes the direction of directivity of the antenna unit from a set first direction of directivity to a second direction of directivity based on the remaining time.

Abstract: Provided is a technique of analyzing particles in real time while collecting and condensing the particles continuously. Gas and/or particles as a detection target substance that are attached to an authentication target 2 are removed by air flow from a blowing region 5. The removed sample is sucked and is condensed and sampled at a sampling region 10, and ions of the sample are generated at an ion source 21 and are then subjected to mass analysis at a mass analysis region 23. Determination of the obtained mass spectrum is made as to the presence or not of a mass spectrum derived from the detection target substance, and a monitor 27 displays a result thereof. Thereby, the detection target substance attached to the authentication target 2 can be detected continuously in real time, promptly and with a less error rate.

Abstract: A wireless communication apparatus includes a transmission frame generator, a storage memory, and a controller. The transmission frame generator generates one of a management frame, a control frame, and a data frame for transmitting information via a wireless channel. The storage memory stores a first transmission output level at which the management frame is transmitted, and a second transmission output level which is higher than the first transmission output level and at which the control frame and the data frame are transmitted. The controller reads out, from the storage memory, a transmission output level corresponding to a type of a transmission frame generated by the transmission frame generator, and transmits, at the read-out transmission output level, the frame generated by the transmission frame generator.

Abstract: According to one embodiment, a wireless communication apparatus includes a wireless unit and a MAC processor. The wireless unit transmits a beacon via a wireless communication. The MAC processor controls a period at which the beacon is transmitted. The MAC processor includes a determination unit and a controller. The determination unit determines that a process of connection to a terminal starts upon receiving a response signal to the beacon to output a start signal upon receiving a response signal to the beacon. The controller transmits the beacon at a first period before the start signal is output and switches the period of transmission of the beacon from the first period to a second period when the start signal is output.