| 查看: 782 | 回复: 7 | |||
| 当前主题已经存档。 | |||
| 当前只显示满足指定条件的回帖，点击这里查看本话题的所有回帖 | |||
limin800111金虫 (小有名气)
|
[交流]
【求助】Autolab电化学工作站能做脉冲电沉积金属吗？
|
||
|
请教大家，Autolab电化学工作站能做脉冲电沉积金属吗？ 非常感谢！ |
回复此楼» 猜你喜欢
锂离子电池循环寿命衰减过快，求机理分析与改进思路
已经有2人回复
-
求博导收留
已经有6人回复
-
分析化学论文润色/翻译怎么收费?
已经有295人回复
-
CSC & MSCA 博洛尼亚大学能源材料课题组博士/博士后招生｜MSCA经费充足、排名优
已经有6人回复
-
德国Karlsruhe Institute of Technology招收电化学储能及联合培养CSC博士等
已经有20人回复
-
德国Karlsruhe Institute of Technology招收电化学储能及联合培养CSC博士
已经有23人回复
-
德国Karlsruhe Institute of Technology招收电化学储能及联合培养CSC博士
已经有1人回复
-
固态锂金属电池迁移数计算求助
已经有1人回复
-
荷兰奈梅亨大学赵文博与Galimberti课题组招收理论计算CSC博士 2000 欧元/月+房补
已经有0人回复
-
26储能博士申请自荐
已经有22人回复
-
上海交通大学--宁波东方理工大学电池方向博士招生
已经有9人回复
★
小木虫(金币+0.5):给个红包，谢谢回帖交流
小木虫(金币+0.5):给个红包，谢谢回帖交流
|
Voltammetric analysis 2.3 Normal pulse voltammetry 2.3 Normal pulse voltammetry Fig. 2 Normal pulse voltammetry While applying sampled dc, the reactions are allowed to proceed during the whole interval time. As a result, the region near the electrode is depleted from reactant, lowering the faradaic current. Furthermore, reaction product can accumulate on the electrode, poisoning its surface. To decrease these detrimental effects, the normal pulse technique was developed. Here, the electrode is kept at an inactive potential for most of the interval time: the base potential. Just prior to the measurement, the electrolysis potential is applied: the normal pulse. Concerning the duration of the pulse period, the familiar discussion applies here: a shorter pulse will yield response with a higher magnitude but the ratio of (unwanted) capacitive current will be higher as well. This technique is approximately a factor 10 more sensitive than sampled dc. However, the data analysis is more complicated. Furthermore, since the time scale employed is shorter, it is possible to experience effects due to irreversibility of the electrode reaction. Then again, that might be just the objective. The parameters for this method are chosen similarly to sampled dc, with the addition of a pulse time. Normally, a reasonable value for the pulse time would be about 50ms. Internally, the software will try to adopt a sampling period that complies the line period. When the pulse period is larger than 40ms, it will collect samples and average them during the last 20ms (for 50Hz line frequency). |
7楼2009-10-29 21:39:29
limin800111
金虫 (小有名气)
- 应助: 0 (幼儿园)
- 金币: 1559.4
- 帖子: 189
- 在线: 127.9小时
- 虫号: 216637
- 注册: 2006-03-11
- 性别: MM
- 专业: 金属功能材料
2楼2009-10-29 17:41:29
3楼2009-10-29 19:19:28
limin800111
金虫 (小有名气)
- 应助: 0 (幼儿园)
- 金币: 1559.4
- 帖子: 189
- 在线: 127.9小时
- 虫号: 216637
- 注册: 2006-03-11
- 性别: MM
- 专业: 金属功能材料
4楼2009-10-29 20:22:09