比容量

  • 网络specific capacity;specific capacitance;special capacity
比容量比容量
  1. 循环伏安和恒电流充放电实验证实掺杂钒可改善LiMnO正极材料电化学反应的可逆性,并提高其比容量;

    The results of cyclic voltammetry and constant current charge / discharge experiments show that vanadium doping improves the reversibility of the Li Mn O cathode material and increases its specific capacity .

  2. 循环20次后,其充放电比容量仍大于260(mA·h)/g,是很有应用前景的锂离子二次电池正极材料。

    After 20 cycles , the charge and discharge specific capacity was also more than 260 ( mA · h ) / g. Therefore , this compound is a cathode material for lithium - ion secondary batteries with remarkable application prospects .

  3. 含B炭材料的首次充放电比容量及充放电效率高于纯炭材料;

    The efficiency and capacity of the boron-doped carbon material are higher than those of pure carbon materials at the first charge and discharge cycle .

  4. 通过Mg掺杂,正极材料的首次放电比容量虽有少量降低,而循环性能得到了明显增强。

    The results indicated that though the initial specific discharge capacity decreased slightly , the cycle performance increased notably after doping Mg .

  5. 利用X射线衍射(XRD)对电极循环过程中的结构变化进行了表征,采用恒流充放电测试方法研究了所制备的α-Ni(OH)2在不同电流密度下的放电比容量。

    The changes of the electrodes structure were studied by XRD and the discharge performance at different current density tested by galvanostat charge-discharge method .

  6. 随着Al的添加量降低,样品中实际Al含量也降低,样品的放电比容量先升高,后降低;

    The specific capacity of discharge increases first , then decreases with the Al contents decreasing , and the charge potential decreases first , then increases .

  7. 微孔容积增加25%,中孔容积增加30%,研磨后活性炭电极的比容量达到213.4F/g。

    And the micropore volume increased by 25 % , mesopore volume increased by 30 % , specific capacitance increased to 213 . 4 F / g after milling .

  8. 利用偏最小二乘法-人工神经网络方法,对富镧Ni-MH电池阴极材料的放电曲线、初始容量、比容量等性能进行研究。

    He PLS BPN method is applied to study the discharge curves , initial capacities and capacity ratios of Ni-MH battery materials .

  9. 降低纳米Ni(OH)2在垂直于[100]晶轴方向的结晶性,可以提高其电化学活性和比容量。

    Electrochemical activity and specific capacity of nano-scale nickel hydroxides could be improved by reducing the crystalline in the direction perpendicular to the axis of [ 100 ] .

  10. LiMn2O4的高温比容量衰减研究

    LiMn_2O_4 Special Capacity Attenuation in High Temperature

  11. (NH4)2S2O8体系聚苯胺的合成及其比容量的研究

    Studies on the Synthesis and Specific Electric capacity of Polyaniline in ( NH 4 ) 2S 2O 8 System

  12. 在630℃焙烧的样品杂质含量高,但初始比容量可达155mA·h/g,可能是物相中含导电性较高的Fe2P及Fe杂质所致。

    The sample obtained at 630 ℃ has higher capacity of 155 mA · h / g , maybe because of impurity Fe 2P and Fe with higher conductivity .

  13. USY分子筛的结构对分子筛/Ni(OH)2复合超级电容器电极材料比容量的影响

    The Influence of Zeolite Structure on the Specific Capacitance of Zeolite / Ni ( OH ) _2 Composite as Supercapacitor Electrode Materials

  14. 在Co3O4制备过程中掺杂Ni离子,并对掺杂后的电极电容性能进行研究。结果表明,掺杂Ni后Co3O4电极的比容量提高了5%。

    We studied that Ni element doped to Co_3O_4 . The results showed that the adulteration of Ni improves the capacity of Co_3O_4 5 % .

  15. 层状Li(1+x)V(3)O(8)价格低、理论比容量高,是一种有发展前途的锂离子电池的正极材料。

    Layered Li ( 1 + x ) V_3O_8 is regarded as a promising cathode material in Li ions battery for its low price , high capacity and other special electrochemical performance .

  16. 本论文对由酸处理法合成的LixMnO2材料进行了掺杂改性实验,结果表明,改性后的材料虽然循环性能有显著改善,但比容量会有所减少。

    The adulteration and melioration experiment of the materials prepared by acid-treating method were studied , the results proved that the material treated had an excellent steady property , but less reversible capacity .

  17. 就体积比容量而言,CoO作添加剂的负极最高,而乙炔黑作添加剂的最低。造成上述结果的原因在于它们的导电性、电催化特性以及松装密度的差异。

    The electrode added with acetylene black shows the highest specific capacity and the lowest capacity density .

  18. MH-Ni电池比容量与自放电和循环寿命的关系

    Relations of specific capacity of Ni-MH battery with self discharge and cycle life

  19. 掺杂Co可以明显提高泡沫镍电极的放电比容量,提高Ni(OH)2的活性物质利用率和充放电循环性能。

    Experiments results showed that the doping of Co can improve the electrochemical properties of nickel hydroxide and foam nickel electrode , such as discharge specific capacity , utilization of active material , cyclic performance .

  20. 这类物质的理论比容量一般较常用的LiCoO2,LiNiO2,LiMn2O4等材料要高很多。

    These materials have much higher theoretical capacities than that of conventional battery materials such as LiCoO_2 , liNiO_2 , LiMn_2O_4 , etc.

  21. 层状Li(1+x)V3O8价格低廉,理论比容量高,是最有前途的锂离了二次电池正极材料之一。

    Layered Li_ ( 1 + x ) V_3O_8 is one of the most promising cathode materials in lithium-ion rechargeable batteries because of its low cost and high theoretical capacity .

  22. 不同温度下,随着循环的进行,LFP电极的比容量均呈衰减趋势。

    The specific capacitance of the LFP electrode decreases gradually with cycling at various temperatures .

  23. 结果显示:随着Ni含量的增加,材料的层状结构越来越明显,Li+的嵌入越来越容易,比容量呈线性增长。

    The results showed that when the Ni content increased , the layered structure of the material became more and more obvious , the insertion of Li + was easier and the specific capacity increased linearly .

  24. 在掺入1:1的碳后,在2C的电流倍率下,样品比容量提高25.6%。

    The capacity was 25.6 % improved when carbons were mixed into the samples with the rate of 1:1 at the current rate of 2C .

  25. 当与石墨烯复合后,P(1,4-AQ)表现出高达234mAh/g的放电比容量,以及优秀的循环性能和倍率性能。

    After being composited with graphene , P ( 1,4-AQ ) shows high discharge capacity of234mAh / g , excellent cycling stability and rate capability .

  26. 样品为趋向无定型化的水合物,具有较好的可逆性以及比容量,在0.1C电流倍率下,其可逆比容量可达到278mAh/g。

    It had a specific capacity of 278mAh / g at 0.1C .

  27. 在2mA/cm~2的充放电电流下测得的单电极比容量可达325.21F/g,循环寿命达5000次。

    The specific capacitance of singal electrode could reach 325F / g when the charge-discharge current was 2mA / cm2 , and cycled over 5000 times .

  28. 在无任何添加剂的情况下,电性能测试表明,β-Ni(OH)2样品的第一和第十次放电比容量分别达218.1和211.5mAh.g-1。

    Electrochemical property tests show that the discharge specific capacities of the β - Ni ( OH ) _2 samples without any additives for the first and the 10th cycles are 218.1 and 211.5 mAh · g ~ ( - 1 ), respectively .

  29. 目前,LiMn2O4材料研究的重点在于提高LiMn2O4的可逆比容量,增加循环寿命和提高高温下材料的充放电性能。

    Al . In present , the key of researching spinel LiMn_2O_4 is to improve its rechargeable rate capacity , rechargeable life and charge-discharge properties under high temperature .

  30. 掺杂Cr后,材料的振实密度可达到2.51g·cm-3,相应的体积比容量为327.18mAh·cm-3。

    After doped Cr , the tap-density could reach 2.51 g · cm-3 and its volumetric capacity was 327.18mAh · cm-3 .