Faraday's laws ·1F=Le=96485.309C-mo1 ·Q=ZF Note:Faraday's laws can be used not only in electrolytic cell,but also in electrochemical cell. Example Ag+e→Ag(s) 1/2Cu2++e→1/2Cu(s) PDF文件使用"pdfFactory Pro”试用版本创建w,fineprint.com,c迎
Faraday’s laws • 1F=Le=96485.309C×mol-1 • Q=ZF Note: Faraday’s laws can be used not only in electrolytic cell, but also in electrochemical cell. Example Ag+ +e- ® Ag(s) 1/2Cu2+ + e- ® 1/2Cu(s) PDF 文件使用 "pdfFactory Pro" 试用版本创建 ÿwww.fineprint.com.cn
lon Transport Migration of ions is a transport process of the ions drift under the influence of an external electrical field. Positively charged ions(cations)move towards negatively charged electrodes and negatively charged ions (anions)move towards positive electrodes Cations→Cathode Anions-→Anode PDF文件使用"pdfFactory Pro”试用版本创建fm,fineprint.com,cn
Ion Transport Migration of ions is a transport process of the ions drift under the influence of an external electrical field. Positively charged ions (cations) move towards negatively charged electrodes and negatively charged ions (anions) move towards positive electrodes Cations®Cathode Anions®Anode PDF 文件使用 "pdfFactory Pro" 试用版本创建 fwww.fineprint.com.cn
++++++++++++++++++++++++ Initial state Middle Cathode Anode When 4F charges are passed,and V+=3V- 任王卧+++++++++++++++++++++++++卧++OO0 ++十 Having current Middle Cathode Anode PDF文件使用"pdfFactory Pro”试用版本创建m,fineprint.com,cn
When 4F charges are passed, and V+=3VInitial state Having current PDF 文件使用 "pdfFactory Pro" 试用版本创建 ÿwww.fineprint.com.cn
+++++++++++++++++++++++++++++++++t+++ Final Middle Cathode Anode Conclusion: 1)Q=Q,+Q 2) 竖生是 3)(△n)cathode=n (△n) anode=n PDF文件使用"pdfFactory Pro”试用版本创建m,fineprint.com,c里
Final Conclusion: 1) Q=Q++Q- 2) 3) (Δn)cathode =n- (Δn)anode =n+ - = + - = + - + n n v v Q Q PDF 文件使用 "pdfFactory Pro" 试用版本创建 fwww.fineprint.com.cn
Transport numbers The transport numbers,t,is defined as the fraction of total charges carried by the ions of a specified type. For a solution of two kinds of ion,the transport numbers of the cations (t,)and anions (t-)are v.+v v.+V. PDF文件使用"pdfFactory Pro”试用版本创建fm,fineprint.com,cn
Transport numbers The transport numbers, t, is defined as the fraction of total charges carried by the ions of a specified type. For a solution of two kinds of ion, the transport numbers of the cations (t+ ) and anions (t-) are + = 1 + = + = = + = + = = + - + - - + - - - - + - + + - + + + t t v v v Q Q Q Q Q t v v v Q Q Q Q Q t PDF 文件使用 "pdfFactory Pro" 试用版本创建 fwww.fineprint.com.cn