Week 1 Understanding Different Battery Chemistry

Li Ion Cell some materials details properties and advantages metioned below :-

LTO -

Li-titanate replaces the graphite in the anode of a typical lithium-ion battery and the material forms into a spinel structure. The cathode can be lithium manganese oxide or NMC. Li-titanate has a nominal cell voltage of 2.40V,The cycle count is said to be higher than that of a regular Li-ion. Li-titanate is safe, has excellent low-temperature discharge characteristics and obtains a capacity of 70-80 percent at –30°C.

LMO-

LMO stands for Lithium manganese oxide batteries,The architecture forms a three-dimensional spinel structure that improves ion flow on the electrode, which results in lower internal resistance and improved current handling. A further advantage of spinel is high thermal stability and enhanced safety, but the cycle and calendar life are limited.

The battery consists of a cobalt oxide cathode and a graphite carbon anode. The cathode has a layered structure and during discharge, lithium ions move from the anode to the cathode. The flow reverses on charge.

LiNMC -

abbreviated as NMC, has become the go-to cathode powder to develop batteries for power tools, e-bikes and other electric powertrains.

LFP-

Batteries are typically named after the chemicals used in the cathode, and an LFP battery uses a cathode material made from the inorganic compound lithium iron phosphate, with the formula LiFePO4. The “F” comes from “Fe,” the periodic table of elements chemical symbol for iron.

NCA-

Some of them are important due to their application in lithium ion batteries. NCAs are used as active material on the positive pole (which is the cathode when the battery is discharged).

Name	Anode	Cathode	Seperator	Electrolite	Cathode reaction	Anode reaction	Cell Reaction
LTO	Graphite	Litium Titanium oxide	PP	Litium salts	4Mn2O4+4Li+4e=4Limn2O4	Ti5O12+4Li+4e=Li4Ti5O12	4Mn2O4+Li4Ti5O12 =4LiMn2O4+Ti5O12
LMO	Graphite	Litium Manganese	PP	Litiium halide	MnO2+Li+e=LiMnO2	LiC6=C6+Li+e	C6+LiMn2O4=LiC6+Mn2O4
LCO	Graphite	Litium cobolt Oxide	PP	EC	CoO2+Li+e=LiCoO2	LiC6=C6+Li+e	C6+LiCoO2=LiC6+CoO2
NMC	Graphite	Nickle Manganese	PP	Litium salts	LiNiMnCoO2=NiMnCoO2+Li+e	LiC6=C6+Li+e	C6+LiNiMnCoO2=LiC6+NiMnCoO2
LFP	Graphite	Litium iron phospate	PP	EC	FePO4+Li+e=LiFePO4	LiC6=C6+Li+e	C6+LiFePO4=LiC6+FePO4
NCA	Graphite	Nickle cobolt aluminum	PP	EC	NiCoAlO2+Li+e=LiNiCoAlO2	LiC6=C6+Li+e	C6+LiNiCoAlO2=LiC6+NiCoAlO2