Week 1 Understanding Different Battery Chemistry
| 1) | Prepare a table which includes materials & chemical reactions occurring at the anode and cathode of LCO, LMO, NCA, NMC, LFP and LTO type of lithium ion cells.Give your detailed explanation on it. | |||||||||
| Battery Type | Cathode Materials | Anode Material | Nomenclature | Anode Chemical Reactions | Cathode Chemical Reactions | Full Chemical Reactions | Explanation | Applications | ||
| Lithium Cobalt Oxide (LCO) | Lithium, Cobalt | Graphite | LiCoO2 | C6 + Li+ + e- ➝ LiC6 | Li+ + e- + CoO2 ➝ LiCoO2 | LiC6 + CoO2 ⇄ C6 + LiCoO2 | i)Low self discharge ii)High discharge voltage |
Mobile Phones , Cameras, Laptops | ||
| Lithium Manganese Oxide (LMO) | Lithium, Manganese | Graphite | LiMn2O4 | C6 + Li+ + e- ➝ LiC6 | Li+ + e- + Mn2O4 ➝ LiMn2O4 | LiC6 + Mn2O4 ⇄ C6 + LiMn2O4 | i)High specific power ii)comparitively low cost |
Electric power train, Medical devices, Power tools | ||
| Lithium Nickel Cobalt Aluminum Oxide (NCA) | Lithium, Nickel, Cobalt , Aluminium | Graphite | LiNiCoAlO2 | C6 + Li+ + e- ➝ LiC6 | Li+ + e- + NiCoAlO2 ➝ LiNiCoAlO2 | LiC6 + NiCoAlO2 ⇄ C6 + LiNiCoAlO2 | i)High capacity ii)High energy density |
Electric Power train, Medical devices | ||
| Lithium Nickel Manganese Cobalt Oxide (NMC) | Lithium, Manganese, Nickel, Cobalt | Graphite | LiNiMnCoO2 | C6 + Li+ + e- ➝ LiC6 | Li+ + e- + NiMnCoO2 ➝ LiNiMnCoO2 | LiC6 + NiMnCoO2 ⇄ C6 + LiNiMnCoO2 | i)High specific capacity and energy density ii)High specific energy |
Electric vehicle industries, E bikes, Medical industries | ||
| Lithium Iron Phosphate (LFP) | Lithium, Iron, Phosporus | Graphite | LiFePO4 | C6 + Li+ + e- ➝ LiC6 | FePO4 + Li+ + e- ➝ LiFePO4 | LiC6 + FePO4 ⇄ C6 + LiFePO4 | i)Low energy density ii)Low operating voltage |
Portable and staionay high Load devices | ||
| Lithium Titanate (LTO) | Lithium, Titanium | Titanate | Li4Ti5O12 | TiO3 + 2Li+ +2e- ➝ Li2TiO3 |
Mn2O4 + Li+ + e- ➝ LiMn2O4 |
Li2TiO3 + 2MnO4 ⇄ TiO3 + 2LiMnO4 |
i) Good Electro Chemical stability ii)Long cycle life ii)Wide operating temperature |
Power train, UPS | ||
| 2) | Compare the differences between each type of Li+ion batteries based on their characteristics. | |||||||
| Battery & Characterstics | Specific Power | Cost | Specfic Energy | Safety | Life Span | Performance | ||
| NCA | High | Moderate | High | Moderate | High | Moderate | ||
| NMC | High | Low | High | Moderate | Moderate | Moderate | ||
| LMO | Moderate | Low | Moderate | Moderate | Low | Low | ||
| LTO | High | High | Low | High | High | High | ||
| LFP | Moderate | High | Moderate | High | High | Moderate | ||