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1.LiMn2O4 sintered at 800℃had better electrochemical activity and good crystal structure. The discharge capacity of initial cycle for LiMn2O4 samples was more than 130 mAh·g-1; the capacity retention after 40 cy cles exceeded 85%of the initial discharge capacity.
在800℃条件下合成的LiMn2O4具有较高的电化学活性和较好的晶相结构,首次放电比容量超过130mAh·g-1,40次循环后,放电容量保持率仍在85%以上。收藏指正
2.When electrolyte was 1 mol/L LiN(SO_2CF_3)_2/DOL+DME(50∶50,vol),the initial discharge specific capacity of sulfur electrode was 1 050 mAh/g at room temperature and discharge current density of 0.4 mA/cm~2.Its discharge specific capacity was above 600 mAh/g at the 50th cycle.
当电解液为1 mol/L LiN(SO2CF3)2/1,3-二氧戊环(DOL)+乙二醇二甲醚(DME)(50∶50,体积比)时,在室温、0.4 mA/cm2的电流密度放电时,硫电极的首次放电比容量达1 050 mAh/g,第50次循环,放电比容量仍维持在600 mAh/g以上。收藏指正
3.The initial discharge capacity reached 215mAh·g~ -1 and 70% DOD with respect to the first one-electron reduction of γ-MnO_2.It could be higher by 15% than EMD.
与EMD (电解二氧化锰) 相比, 所制备样品的放电容量(截止电压1 0V vs Zn) 为215mAh·g-1, 放电深度可达一电子理论容量的70%, 比EMD提高了15%;收藏指正
4.The relationship between the amount of conductive additives and the initial discharge (capacity) was investigated, the results showed that the best ratio for (acetylene) black to LiV_3O_8 electrode should be 10%.
研究了导电剂乙炔黑的添加量对电极的首次放电比容量的影响,发现乙炔黑的添加量在10%左右最佳。收藏指正
5.The negative electrode materials Co 3O 4 with constant particle size for lithium ion battery were prepared by mechanical milling of Co 3O 4. Through examining their electrochemical properties, it is found that the initial discharge capacity is 990 mAh·g -1 and the reversible capacity is 395 mAh·g -1 . In order to improve the electrochemical performance of Co 3O 4, we adopted to modify the Co 3O 4 by graphite MPG.
采用机械球磨制备了一定粒度的锂离子电池负极材料Co3O4 。 电化学性能测试结果表明Co3O4 首次嵌锂容量为 990mAh·g- 1 ,脱锂容量为 3 95mAh·g- 1 。收藏指正
6.The initial charge-discharge capacity of the batteries with 90 cells connected in series was 18.44 Ah and 17.47 Ah,respectively.
90只单体电池构成的电池组的首次充放电容量分别为18.44 Ah和17.47 Ah。收藏指正
7.The flow characteristics of bucket basin and scouring characteristics in small dam are discussed,and the impact of initial low spillway discharge on the downstream bed is studied.
本文阐述了在低坝中应用消力戽宣泄单宽流量1～5．5m3／s·m时的下游水流流态演变规律及各种流态下的冲刷特性，并探讨了小流量初始泄流对下游河床的影响。收藏指正
8.the products using CTAB as template are VO2 (B) nanords with the length of 1-2μm and the initial charge and discharge capacity of VO2(B) nanorods is 254.08 and 247.60mAh/g, respectively.
而以CTAB为模板制得长1-2μm的VO2(B)纳米棒,其首次充、放电容量分别为254.08、247.60mAh/g。收藏指正
9.When the anode polarization potential on TiAC was 1.2 V and initial concentration of Cr(Ⅵ) was 20 mg/L,after 3 hours electrosorption,the concentrations of Cr(Ⅵ) and total chromium in effluent were lower than national discharge standard.
当Cr(Ⅵ)初始浓度为20 mg/L时,载钛活性炭上施加1.2 V的正向电压,电吸附3 h后的处理水水质满足国家排放标准。收藏指正
10.Based on the overall analysis of whole process, compared with regular SBR treatment, under the same target of standard-reached discharge, the technique has merits of low initial investment and operation cost, while recycling the biological energy and realizing the waste comprehensive utilization.
在全面分析整个工艺过程的基础上，通过与常规的好氧处理相比较，在同样达标排放的前提下，采用该工艺的工程初期投资和运行成本都较低，并且可以做到回收生物能和处理废物的资源化。收藏指正
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