常用电池材料的循环伏安法测试实验报告

1、实验一常用电池材料的循环伏安法测试一.实验目的1 .让学生认识电化学工作站的基本功能；2 .通过演示实验让学生更加深刻理解循环伏安法的测试方法；3 .通过观察在循环伏安法测试过程中电解池内的变化，更加深刻理解循环伏 安法的原理。2 .实验原理循环伏安法(Cyclic Voltammetry)是一种常用的动电位暂态电化学测量方法， 是电极反应动力学、反应机理以及可逆性研究的重要手段之一，应用非常广泛。循环伏安法控制电极电势以不同的速率，随时间以三角波形一次或多次反复 扫描，电势范围是使电极上能交替发生不同的还原和氧化反应，并记录电流-史 势曲线。根据曲线形状可以判断电极反应的可逆程度,中间体、相

2、界吸附或新相形成的可能性，以及偶联化学反应的性质等。常用来测量电极反应参数，判断其 控制步骤和反应机理,并观察整个电势扫描范围内可发生哪些反应,及其性质如何。+ f 1（/）*3 .主要实验设备及样品1 .电化学工作站1台；2 .电解池（包括三个电极）1 套；3 .超级电容器电极材料4 . 3mol/L KOH 溶液 30ml四.实验步骤1 .准备好待测电极，电解液，组装好三电极电解池。2 .连接电化学工作站电源，并启动。3 .将电化学工作站测试端和电解池中的工作电极，参比电极，辅助电极一一对 应进行连接。4 .打开电化学工作站工作菜单，点击进入测试任务选项，选择Cyclic Voltamme

3、try 项。5 .在Cyclic Voltammetry菜单中输入测试起始电压，结束电压，扫描速度，循环 次数等参数。6 .点击“开始”进行测量。7 .测量结束后，将数据保存到指定位置。五.注意事项1 .实验前需要检查电解池组装是否规范，有无漏液，或者短路情况；2 .连接三电极时，要一一对应。3 .数据注意及时保存六.数据记录及处理数据记录（取第二圈数据）Temperature（'C）:25Begin Information:Cell InformationSurface Area:1Density:7.8Weight:28Polarity:0PolarityI:0Corrosion

4、Unit Type: 1Reference Type:2Reference Potential: 0.241Reference User-Defined: 0Stern-Geary:18End Information:Begin Experiment:Axes Type:3End Experiment:Data Points:604Cell InformationE(Volts)-1.29725E-03-3.12376E-03-5.13839E-03-7.16281E-03-9.18006E-03-1.11773E-02-1.31812E-02-1.51924E-02-1.72145E-02-

5、1.92320E-02-2.12576E-02-2.32638E-02-2.52801E-02-2.72876E-02-2.92965E-02-3.13045E-02-3.33251E-02-3.53354E-02-3.73440E-02-3.93377E-02-4.13716E-02-4.33719E-02-4.53954E-02-4.74220E-02-4.94213E-02-5.14374E-02-5.34525E-02-5.54650E-02-5.74557E-02-5.94539E-02-6.14807E-02-6.35065E-02-6.55128E-02-6.75148E-02-

6、6.95103E-02-7.15228E-02-7.35317E-02-7.55537E-02i(A/cm2) T(s)1.15674E-04,7.04208E-05,4.49166E-05,2.72451E-05,1.35282E-05,1.72894E-06,-8.77842E-06,-1.80440E-05,-2.63783E-05,-3.38648E-05,-4.10504E-05,-4.77369E-05,-5.39935E-05,-5.97033E-05,-6.49689E-05,-7.01868E-05,-7.51396E-05,-7.96554E-05,-8.37723E-05

7、,-8.80374E-05,-9.31000E-05,-9.79358E-05,-1.02604E-04,-1.06148E-04,-1.08527E-04,-1.11235E-04,-1.15201E-04,-1.20622E-04,-1.25804E-04,-1.29147E-04,-1.30437E-04,-1.31034E-04,-1.33529E-04,-1.38900E-04,-1.46747E-04,-1.54890E-04,-1.58950E-04,-1.56703E-04,E(Volts)4.84.8254.854.8754.94.9254.954.97555.0255.05

8、5.0755.15.1255.155.1755.25.2255.255.2755.35.3255.355.3755.45.4255.455.4755.55.5255.555.5755.65.6255.655.6755.75.725-7.75602E-02-7.95586E-02-8.15959E-02-8.36132E-02-8.56436E-02-8.76477E-02-8.96556E-02-9.16681E-02-9.36699E-02-9.56871E-02-9.77032E-02-9.97106E-02-1.01736E-01-1.03757E-01-1.05770E-01-1.07

9、773E-01-1.09784E-01-1.11792E-01-1.13810E-01-1.15806E-01-1.17802E-01-1.19821E-01-1.21842E-01-1.23849E-01-1.25877E-01-1.27888E-01-1.29893E-01-1.31912E-01-1.33918E-01-1.35921E-01-1.37922E-01-1.39941E-01-1.41966E-01-1.43975E-01-1.45981E-01-1.47974E-01-1.49986E-01-1.52008E-01i(A/cm2) T(s) -1.51631E-04, -

10、1.50664E-04, -1.56777E-04, -1.68896E-04, -1.83093E-04, -1.91786E-04, -1.90162E-04, -1.81073E-04, -1.73983E-04, -1.75475E-04, -1.85610E-04, -1.99642E-04, -2.09359E-04, -2.10398E-04, -2.05230E-04, -2.00741E-04, -2.02637E-04, -2.10744E-04, -2.20225E-04, -2.24213E-04, -2.21851E-04, -2.19093E-04, -2.2099

11、1E-04, -2.29419E-04, -2.41204E-04, -2.50756E-04, -2.52991E-04, -2.49024E-04, -2.45863E-04, -2.47522E-04, -2.53552E-04, -2.60895E-04, -2.68033E-04, -2.75138E-04, -2.81994E-04, -2.87725E-04, -2.90349E-04, -2.89337E-04,5.755.7755.85.8255.855.8755.95.9255.955.97566.0256.056.0756.16.1256.156.1756.26.2256

12、.256.2756.36.3256.356.3756.46.4256.456.4756.56.5256.556.5756.66.6256.656.675-1.54023E-01-1.56027E-01-1.58050E-01-1.60070E-01-1.62094E-01-1.64121E-01-1.66112E-01-1.68135E-01-1.70142E-01-1.72157E-01-1.74162E-01-1.76166E-01-1.78188E-01-1.80203E-01-1.82217E-01-1.84221E-01-1.86231E-01-1.88239E-01-1.90249

13、E-01-1.92269E-01-1.94267E-01-1.96278E-01-1.98291E-01-1.99572E-01-1.98498E-01-1.96478E-01-1.94472E-01-1.92470E-01-1.90468E-01-1.88451E-01-1.86428E-01-1.84431E-01-1.82416E-01-1.80389E-01-1.78384E-01-1.76385E-01-1.74384E-01-1.72371E-01-1.70349E-01-1.68324E-01-1.66309E-01-1.64311E-01-1.62300E-01-1.60277

14、E-01-2.87797E-04-2.89994E-04-2.98352E-04-3.10672E-04-3.23784E-04-3.33251E-04-3.36606E-04-3.35388E-04-3.33360E-04-3.35245E-04-3.43006E-04-3.54898E-04-3.67474E-04-3.76056E-04-3.80116E-04-3.82387E-04-3.86506E-04-3.92820E-04-3.98432E-04-4.02769E-04-4.07363E-04-4.15330E-04-4.26563E-04-4.15315E-04-3.56641

15、E-04-3.06516E-04-2.71245E-04-2.45660E-04-2.26902E-04-2.10830E-04-1.94007E-04-1.76431E-04-1.59545E-04-1.45482E-04-1.34088E-04-1.23512E-04-1.12250E-04-9.98343E-05-8.84433E-05-7.88315E-05-7.07480E-05-6.27457E-05-5.36377E-05-4.46563E-056.76.7256.756.7756.86.8256.856.8756.96.9256.956.97577.0257.057.0757.

16、17.1257.157.1757.27.2257.257.2757.37.3257.357.3757.47.4257.457.4757.57.5257.557.5757.67.6257.657.6757.77.7257.757.775-1.58253E-01-1.56225E-01-1.54210E-01-1.52216E-01-1.50208E-01-1.48189E-01-1.46185E-01-1.44180E-01-1.42170E-01-1.40141E-01-1.38127E-01-1.36122E-01-1.34107E-01-1.32103E-01-1.30100E-01-1.

17、28078E-01-1.26082E-01-1.24071E-01-1.22043E-01-1.20028E-01-1.17999E-01-1.15994E-01-1.14001E-01-1.11994E-01-1.09984E-01-1.07966E-01-1.05963E-01-1.03945E-01-1.01935E-01-9.99210E-02-9.79097E-02-9.58948E-02-9.38916E-02-9.18698E-02-8.98583E-02-8.78437E-02-8.58405E-02-8.38295E-02-8.17965E-02-7.97768E-02-7.

18、77620E-02-7.57507E-02-7.37477E-02-7.17341E-02-3.64773E-05, -2.93370E-05, -2.30565E-05, -1.64297E-05, -9.30140E-06, -2.19938E-06, 3.48415E-06, 8.58261E-06, 1.40273E-05, 1.95318E-05, 2.51198E-05, 3.01728E-05, 3.50683E-05, 3.98205E-05, 4.42264E-05, 4.86085E-05, 5.26682E-05, 5.69308E-05, 6.11576E-05, 6.

19、50836E-05, 6.88352E-05, 7.21760E-05, 7.55670E-05, 7.90536E-05, 8.24088E-05, 8.56087E-05, 8.84051E-05, 9.15335E-05, 9.45185E-05, 9.74295E-05, 1.00009E-04, 1.02444E-04, 1.05217E-04, 1.07880E-04, 1.10435E-04, 1.12629E-04, 1.14685E-04, 1.17085E-04, 1.19459E-04, 1.21790E-04, 1.23521E-04, 1.24966E-04, 1.2

20、6898E-04, 1.29381E-04,7.87.8257.857.8757.97.9257.957.97588.0258.058.0758.18.1258.158.1758.28.2258.258.2758.38.3258.358.3758.48.4258.458.4758.58.5258.558.5758.68.6258.658.6758.78.7258.758.7758.88.8258.858.875-6.97302E-02,1.31961E-04,8.9-3.55311E-02,1.55124E-04,9.325-6.77210E-02,1.33584E-04,8.925-3.35

21、125E-02,1.58551E-04,9.35-6.57136E-02,1.34456E-04,8.95-3.14907E-02,1.61465E-04,9.375-6.36961E-02,1.35330E-04,8.975-2.94863E-02,1.61957E-04,9.4-6.16826E-02,1.36868E-04,9-2.75060E-02,1.60283E-04,9.425-5.96616E-02,1.39626E-04,9.025-2.54828E-02,1.59292E-04,9.45-5.76670E-02,1.42229E-04,9.05-2.34632E-02,1.

22、60357E-04,9.475-5.56667E-02,1.44307E-04,9.075-2.14543E-02,1.63640E-04,9.5-5.36540E-02,1.45107E-04,9.1-1.94299E-02,1.67363E-04,9.525-5.16286E-02,1.45228E-04,9.125-1.74186E-02,1.69357E-04,9.55-4.96018E-02,1.46076E-04,9.15-1.54111E-02,1.69130E-04,9.575-4.76168E-02,1.47745E-04,9.175-1.33996E-02,1.67471E-04,9.6-4.56091E-02,1.50432E-04,9.2-1.13802E-02,1.66886E-04,9.625-4.35868E-02,1.52631E-04,9.225-9.37224E-