Batteries The Dry Cell Battery Leclanche cell C,小.cg aper spac Moist paste of Zn ch and nhcl Z了 小O. Layer of MnO NH. CI NH CI Graphite cathode Zno Mn. o Zinc anode Zr2+-F2e 小r+ Anode: Zn(s)Zn2+(ag)+2e Cathode: 2NH4*(aq)+ 2MnO2(s)+ 2e"-Mn2O3(s)+ 2NH3(aq)+H2o() Zn(s)+ 2NH4(ag)+ 2Mno2 (s)Zn (ag)+ 2NH3(ag)+H2o (+ Mn2O3(s)
Batteries The Dry Cell Battery Leclanché cell Anode: Zn (s) → Zn2+ (aq) + 2eCathode: 2NH4 + (aq) + 2MnO2 (s) + 2e- → Mn2O3 (s) + 2NH3 (aq) + H2O (l) Zn (s) + 2NH4 (aq) + 2MnO2 (s) Zn2+ (aq) + 2NH3 (aq) + H2O (l) + Mn2O3 (s)
The Lead Storage Battery Cathode I PD anode Po. Pog cathode Poo 2e HSO H SO Negative plates(lead g Pbso Pbso filled with spongy lead) sitive plases(lead pills Po2+÷2e filled with PbO2) Anode: Pb(s)+ SO42-(aq)PbSo4(s)+ 2e Cathode: PbO2(S)+ 4H+(aq)+ SO42-(aq)+2e--PbSO4(s)+ 2H2O Pb(s)+Pbo2(S)+ 4H*(ag)+ 2s042-(ag)-2PbSO4(S)+ 2H2O(
The Lead Storage Battery Anode: Pb (s) + SO4 2- (aq) → PbSO4 (s) + 2eCathode: PbO2 (s) + 4H+ (aq) + SO4 2- (aq) + 2e- → PbSO4 (s) + 2H2O (l) Pb (s) + PbO2 (s) + 4H+ (aq) + 2SO4 2- (aq) → 2PbSO4 (s) + 2H2O (l)
Lithium lon Battery collector collector Lix si LiL-xMo Anode:Li(s)→Li+ Cathode: Li++ Coo2+e" s Li(s)+ Coo2>Licoo2(s)
Lithium Ion Battery Anode: Li(s) → Li+ + eCathode: Li+ + CoO2 + e- → LiCoO2 (s) Li(s) + CoO2 → LiCoO2 (s)
Fuel cells rlydrogeri-Oxygenl Fuel Ca Cathode C』jgde C cathode Porous carbon electrode rl ontaining Ni containing Ni and NiO KOH H2+ 4H0 +2H 0+ 4e H,O Hot KOH solution 4H.0+ 4e 4HO Oxidation Reduction 2H2(g)+40H(aq)→4H2O(D)+4O2(8)+2H20(+4→40H(ag) Anode: 2H2(g)+ 40H(aq)->4H2O(0+ 4e Cathode: O2( 9)+ 2H2o (+ 4e"->40H(ag) 2H2(g)+o2(g)→2H2O(
Fuel Cells Anode: 2H2 (g) + 4OH- (aq) → 4H2O (l) + 4eCathode: O2 (g) + 2H2O (l) + 4e- → 4OH- (aq) 2H2 (g) + O2 (g) → 2H2O (l)
锂离子电池的工作原理 充電 5225EI MCMB Coo 2 L计+6C+e→LiC6 LiMO2→L1-MO2+xLi+xe (=Co, Ni, Mn; 0<x<1) 放電 LiC6→Li++6C+e Li MO,+xLi+ xe--LiMO
e – e – e – e – e e – – － ＋ Li+ + 6C + e –→ LiC6 LiMO2 → Li1–xMO2 + xLi+ + xe– (M = Co, Ni, Mn; 0 < x < 1) 充 電 LiC6 →Li+ + 6C + e – Li1–xMO2 + xLi+ + xe–→ LiMO2 放 電 MCMB LiCoO2 锂离子电池的工作原理