| 1. | 3 . fabricating the nano nickel oxide electrode by nano particle sintering method has been preliminary try also 3 .初步研究了用烧结纳米镍的方法制备氧化镍电极。 |
| 2. | 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 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。 |
| 3. | As the positive active material , nano - nio can performanced good capacitance in the koh solution . the nano - nio electrode can provide a specific capacitance of llof / g , and the capacitance could maintain at ninety percent after 5000 cycles 氧化镍电极,在koh溶液中,表现出良好的电容性质,其比容量可达110f g ,且经5000次循环后保持90以上。 |
| 4. | The preparation and structure properties of nickel hydroxide as a positive active material for the new types of foam and fibrous nickel electrodes and high capacity mh - ni alkaline rechargeable batteries were studied 本论文研究了mh - ni电池及高容量泡沫式和纤维式镍电极的活性材料ni ( oh ) _ 2的制备工艺条件以及不同的工艺条件对ni ( oh ) _ 2的各种物理性能及晶体结构的影响。 |
| 5. | Electrochemical performance of metallic nickel electrode in non - aqueous ethanol indicates nickel can be dissolved if only the potential is higher than a certain value . it also indicates that halogen ion can promote the dissolution 通过金属镍电极在乙醇中的电化学行为研究发现,当电位高于一定值时,金属在乙醇中会发生溶解现象,并且导电盐中的卤离子对金属溶解有促进作用。 |
| 6. | The effects of various additives elements and doping methods on foam nickel electrode ' s performance were studied using constant current charge - discharge test . we compared two doping methods : mechanical mixing doping and chemical co - precipitation doping 利用恒流充放电实验等电化学测试方法研究了不同掺杂元素及掺杂方式对泡沫镍电极的影响作用,对机械混合掺杂和化学共沉积掺杂进行了比较。 |
| 7. | When mechanical doping 5 % co , the discharge specific capacity is 225mah / g , the ratio of active material utilization is 78 % . the addition of zn can prevent the swelling of nickel electrode and prolong the cyclic life , decrease the existence of y - niooh when over - charged 随着co掺杂量的增加,镍电极的放电比容量明显提高,机械混合掺杂5 co时镍电极的放电比容量为225mah g ,活性物质的利用率达到78 ,循环性能比较稳定。 |
| 8. | The preparation and electrochemical performance of nickel hydroxide as a positive active material for the high capacity mh / ni alkaline rechargeable batteries were studied . the research result in this paper has some significance for the further development of nickel electrode with good properties 本文对镍氢( mh / ni )碱性二次电池中所普遍使用的正极活性物质ni ( oh ) _ 2的制备和电化学行为进行了研究,对于进一步研制和开发综合性能优良的镍电极具有一定的实际意义。 |
| 9. | Nano - sacle coo is apt to dissolve in the electrode homogeneously , and better conductive net of coooh come into being , thus contribute a lot to the procedure of the activation . the electrode with nano - scale coo and cnts shows higher discharge voltage and higher discharge capacity . nano - scale additives can improve the specific capacity of the electrode , the volume specific capacity and the mass specific capacity of the electrode with nano - scale coo are 784mah / cm3 and 224mah / g , respectively 结果表明:添加剂为纳米coo的电极的活化性能最好,纳米coo相对于普通coo能更加均匀的分布在镍电极内,也更易溶解、反应生成coooh导电网路,从而加快了镍电极的活化进程;添加纳米coo和添加cnts的极片具有较高的放电电位和较大的放电容量,纳米添加剂能有效提高镍正极活性物质的放电效率和利用率;纳米添加剂可以有效地提高镍正极片的容量密度,其中添加纳米coo的极片体积容量密度达到784mah cm ~ 3 ,质量容量密度达到224mah g ;添加cnts的极片体积容量密度达到778mah cm ~ 3 ,质量容量密度达到223mah g 。 |