Unlike the L293D an output from the ULN2803 can only sink current, so the common positive red lead of the stepper motor is used.
过时充电和完全排空会导致过充电和过放电,这将对锂离子电池的正极和负极造成永久性损坏。
Over-time charging and power off completely will cause over-charging and over-discharging, which will cause permanent damage to the positive and negative electrodes of lithium-ion batteries.
如果全部采用磷酸铁锂电池作驱动的话,届时,磷酸铁锂正极材料将达到45亿元的市场规模。
If all the use of lithium iron phosphate for driving, then, lithium iron phosphate cathode material will reach 4.5 billion market size.
年3月正式签订协议,以性能为目的,进行正极、负极、电解液材料的研究。
An official agreement was concluded in March 2012 for joint research on cathode, anode and electrolyte materials.
一个CMOS是一种使用负极和正极电路的广泛应用半导体类型。
A CMOS is a widely used type of semiconductor that uses both negative and positive circuits.
颗粒的微纳尺寸以及形貌结构,在很大程度上决定着高镍三元正极材料的性能。
Micro-nano size and morphology structure of particles, to a great extent, decides the performance of high nickel ternary cathode material.
In 1997, 75-year-old Gudinaf developed a low-cost lithium iron phosphate LiXFePO4 cathode material to accelerate the commercialization of lithium-ion batteries.
这降低颗粒密度差不多一百倍,增加了正极的表面面积和改进的容量和性能。
This decreased particle density almost one hundredfold, increased the cathode's surface area and improved capacity and performance.
因此,行业对于新一代高容量正极材料的需求显得尤为迫切。
Therefore, the industry's demand for a new generation of high-capacity cathode materials is particularly urgent.
氟化铁所提供的锂容量是传统钴基或镍基正极的2倍多。
Iron fluorides have more than double the lithium capacity of traditional cobalt or nickel-based cathodes.
正极受热分解放出氧气使电解液易分解并产生大量的热[25]。
The positive electrode is decomposed by heat to liberate oxygen and make the electrolyte easily decomposed and produce a lot of heat[25].
正极被设置在测试部分的下游端,以避免其扰动。
The positive electrode is set at the downstream end of the test section to avoid its disturbances.
正极资料的三维结构限制着锂离子的分散速率,低温下影响特别显着。
The three-dimensional structure of the positive electrode material restricts the diffusion rate of lithium ions, and the effect is especially obvious at low temperatures.
该正极材料的理论容量为286mAh/g,实际容量为已达200mAh/g左右。
The theoretical capacity of the positive electrode material is 286 mAh/g, and the actual capacity is about 200 mAh/g.
正极材料的三维结构制约着锂离子的扩散速率,低温下影响尤其明显。
The three-dimensional structure of the positive electrode material restricts the diffusion rate of lithium ions, and the effect is especially obvious at low temperatures.
这降低颗粒密度差不多一百倍,增加了正极的表面面积和改进的容量和性能。
This decreased particle density almost one hundredfold, increased the positive electrode's surface area and improved capacity and performance.
这降低颗粒密度差不多一百倍,增加了正极的表面面积和改进的容量和性能。
This decreased particle density almost 100-fold, increased the positive electrode's surface area, and improved capacity and performance.
由于石墨天然具有很多孔洞,并且导电性好,其能够抓住电子的容量要大大超过正极材料。
Since graphite naturally has many pores and is highly conductive, its capacity to capture electrons greatly exceeds that of the positive electrode material.
任何曾经玩过磁铁的人都知道,正极和负极相互吸引,而两个正极(或负极)相互排斥。
Anyone who has ever played with magnets knows that positive and negative poles attract each other, while two positives(or negatives) push each other away.
玩过磁铁的人都知道,正极和负极相互吸引,而两个正极(或负极)相互排斥。
Anyone who has ever played with magnets knows that positive and negative poles attract each other, while two positives(or negatives) push each other away.
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