山东大学：《物理化学》课程教学资源（讲义资料）2020 Homework-5

Homework-5 2020-10-29 (1 Calculate the electrochemical capacity in unit of mAh 'of the following materials or devices (1)Anode material of lithium-ion battery LiFePO4 with reaction as FePO4+li+ le =LiFePO4. (2)In lead-acid battery, reaction PbO2+ Pb+ 2H2SO4=2PbSO4+ 2H20 takes place during charge or discharge. Calculate theoretical electrochemical capacitance of lead-acid batter and give explanation to the fact that the actual capacitance is usually much lower than the theoretical value 【2】Yinp.217,Ex.l 【3】 Levine:p.526, exercise1643 【4】 Levine:p.526, exercise 1645 【5】Yinp.22l,Ex.5 【6】Yin.p.225,Ex.6 (7) Levine: p526, exercise 16.48 hint: the drift speed v=6znrI 【8】 Levine:p.526, exercise6.59 Due time: Nov 3. 2020

Homework-5 2020-10-29 【1】Calculate the electrochemical capacity in unit of mAh g-1 of the following materials or devices. (1) Anode material of lithium-ion battery LiFePO4 with reaction as FePO4 + Li+ + 1e- = LiFePO4. (2) In lead-acid battery, reaction PbO2 + Pb + 2H2SO4 = 2PbSO4 + 2H2O takes place during charge or discharge. Calculate theoretical electrochemical capacitance of lead-acid batter and give explanation to the fact that the actual capacitance is usually much lower than the theoretical value. 【2】 Yin. p. 217, Ex. 1 【3】Levine: p.526, exercise 16.43 【4】Levine: p.526, exercise 16.45 【5】Yin. p. 221, Ex. 5 【6】Yin. p. 225, Ex. 6 【7】Levine: p.526, exercise 16.48 [hint: the drift speed v = 6r] 【8】Levine: p.526, exercise 16.59 Due time: Nov. 3, 2020