摘要:
A method for producing a non-aqueous electrolyte secondary cell by preparing a positive electrode by applying a positive electrode mixture onto a positive electrode core material, the mixture containing a positive electrode active material mainly made of a lithium nickel composite oxide and a binding agent containing polyvinylidene fluoride; measuring the amount of carbon dioxide gas generated when a layer of the positive electrode mixture is removed out of the positive electrode and the layer is heated to 200° C. or higher and 400° C. or lower in an inactive gas atmosphere; selecting a positive electrode satisfying the following formulas: y
摘要翻译:一种通过在正极芯材上涂布正极合剂制备正极来制造非水电解质二次电池的方法,该混合物含有主要由锂镍复合氧化物制成的正极活性物质和含有 聚偏氟乙烯; 测量当正极混合物层从正极中除去并且在惰性气体气氛中将层加热至200℃以上且400℃以下时产生的二氧化碳气体的量; 选择满足以下公式的正极:y <(0.27x-51)/ 1000000(200&nlE; x <400)式1 y <57/1000000(400&nlE; x&nlE; 1500)式2其中x是加热温度 C.),y是测量每1g镍镍复合氧化物的二氧化碳气体量(摩尔/ g); 并通过使用所选择的正极制备非水电解质二次电池。
摘要:
Disclosed is a nonaqueous electrolyte secondary battery which has a negative electrode containing silicon as a negative active material, a positive electrode containing a positive active material, a nonaqueous electrolyte and a separator. Characteristically, an additive which retards oxidation of silicon during operation of the battery is contained either in an interior or surface portion of the positive electrode, in an interior or surface portion of the negative electrode, or in an interior or surface portion of the separator.
摘要:
A positive electrode active material quality judgment method that can easily and accurately judge the quality of a positive electrode active material used in a non-aqueous electrolyte secondary cell without having to complete the positive electrode. The positive electrode active material quality judgment method includes: heating a positive electrode active material mainly made of a lithium nickel composite oxide to a temperature x (° C.) of 200° C. or higher and 1500° C. or lower; measuring the amount of carbon dioxide gas occurring from the heating; and the positive electrode active material as a suitable positive electrode active material when the positive electrode active material satisfies formulas 1 and 2: y
摘要翻译:一种正极活性物质评价方法,其能够容易且准确地判断在非水电解质二次电池中使用的正极活性物质的质量,而无需完成正极。 正极活性物质判定方法包括:将主要由锂镍复合氧化物形成的正极活性物质加热至200℃以上且1500℃以下的温度x(℃) 测量从加热发生的二氧化碳气体的量; 正极活性物质为正极活性物质时,正极活性物质满足式1和2:y <(0.27x-51)/ 1000000(200&nlE; x <400)式1 y <57/1000000( 400&nlE; x&nlE; 1500)式2其中x是加热温度x(℃),y是在加热到加热时每1g正极活性物质发生的二氧化碳气体量(摩尔/克) 温度x(℃)。
摘要:
A positive electrode active material quality judgment method that can easily and accurately judge the quality of a positive electrode active material used in a non-aqueous electrolyte secondary cell without having to complete the positive electrode. The positive electrode active material quality judgment method includes: heating a positive electrode active material mainly made of a lithium nickel composite oxide to a temperature x (° C.) of 200° C. or higher and 400° C. or lower; measuring the amount of carbon dioxide gas generated from the heating; and the positive electrode active material as a suitable positive electrode active material when the positive electrode active material satisfies formulas 3 and 4: y
摘要翻译:一种正极活性物质评价方法,其能够容易且准确地判断在非水电解质二次电池中使用的正极活性物质的质量,而无需完成正极。 正极活性物质判定方法包括:将主要由锂镍复合氧化物形成的正极活性物质加热至200℃以上且400℃以下的温度x(℃) 测量从加热产生的二氧化碳气体的量; 和正极活性物质当正极活性物质满足式3和4时,正极活性物质为:y <(1.31×258)/ 1000000(200&nlE; x <300)式3 y <1.20×225 公式4其中x是加热温度x(℃),y是每1g 1g正极活性物质在加热时产生的二氧化碳气体量(摩尔/克)(g / g) 加热温度x(℃)。
摘要:
The present invention provides a simple method for producing a dumbbell-shaped DNA.A method for producing a dumbbell-shaped DNA, wherein each of sense and antisense strands is connected at both the 5′ and 3′ ends of a linear-shaped double stranded DNA by a single stranded DNA of loop structure, comprising the steps of; 1) amplifying a target DNA in a template DNA by PCR using sense and antisense primers, wherein each of the sense and antisense primers contains the following sequence (a) at the 5′ end and also contains the following sequences (b), (c), and (d) in order from the 5′ end to the 3′ end, (a) a part of a sense sequence of a nickase recognition sequence, comprising the sequence of a region between the site where a nick is introduced by the action of a nickase and the 3′ end, (b) a sequence capable of forming a loop structure from a single strand, (c) the entire antisense sequence of the nickase recognition sequence (a), (d) a sequence complementary to all or part of the sequence of the target DNA; 2) treating the amplified DNA product of step 1) with a nickase of (a); 3) heating and then annealing the nickase treated amplified DNA product of step 2); and 4) treating the heated and annealed amplified DNA product of step 3) with DNA ligase, wherein the sense and antisense primers used in step 1) are phosphorylated at the 5′ end, or the amplified DNA product is phosphorylated at the 5′ end after step 1) but before step 4).
摘要:
The present invention provides a stator coiled in a spiral, capable of mechanically inserting a wound coil in the slot of a stator core. In a stator in which coils are overlapped in a spiral when viewed from the end surface of the stator core after each of one sides of a plurality of coils wound in advance is inserted in the slot of the stator core and each of the other sides of the plurality of coils is inserted in a different slot, by repeating the inserting operation twice or more, the loop of the coils overlapped in a spiral are piled in two layers or more in the radius direction of the stator core and the total coil sectional area inserted in the slots of the stator core is larger than a prescribed value based on the inside radius of the stator core.
摘要:
An electrode for a lithium battery having a thin film composed of active material capable of lithium storage and release, e.g., a microcrystalline or amorphous silicon thin film, provided on a current collector, the electrode being characterized in that a constituent of the current collector is diffused into the thin film.
摘要:
The present invention provides a simple method for producing a dumbbell-shaped DNA.A method for producing a dumbbell-shaped DNA, wherein each of sense and antisense strands is connected at both the 5′ and 3′ ends of a linear-shaped double stranded DNA by a single stranded DNA of loop structure, comprising the steps of; 1) amplifying a target DNA in a template DNA by PCR using sense and antisense primers, wherein each of the sense and antisense primers contains the following sequence (a) at the 5′ end and also contains the following sequences (b), (c), and (d) in order from the 5′ end to the 3′ end, (a) a part of a sense sequence of a nickase recognition sequence, comprising the sequence of a region between the site where a nick is introduced by the action of a nickase and the 3′ end, (b) a sequence capable of forming a loop structure from a single strand, (c) the entire antisense sequence of the nickase recognition sequence (a), (d) a sequence complementary to all or part of the sequence of the target DNA; 2) treating the amplified DNA product of step 1) with a nickase of (a); 3) heating and then annealing the nickase treated amplified DNA product of step 2); and 4) treating the heated and annealed amplified DNA product of step 3) with DNA ligase, wherein the sense and antisense primers used in step 1) are phosphorylated at the 5′ end, or the amplified DNA product is phosphorylated at the 5′ end after step 1) but before step 4).
摘要:
Provided are a winding method and a winding apparatus in which it makes possible to expedite the winding cycle with a relatively simple construction.In a winding method in which a plurality of conductor wires are arranged in parallel and wound around a reel to form a coil, which is dropped into a coil receiving jig, the plurality of conductor wires are temporarily wound around a bobbin, and the bobbin is attached to a flyer of a winding apparatus. The flyer is rotated to wind the plurality of conductor wires around the reel while drawing them out of the bobbin.
摘要:
An automatic machine and method of winding of armatures having maximum coil density because the winding nozzle does not enter into the slots between the pole teeth and the wire is restrained at at least one the ends of the core portion of the armature to facilitate winding.