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battery glossary

Cathode

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Cathode is the positive electrode of a battery. Popular chemistries use nickel and cobalt to achieve high energy density and specific energy. Lithium iron phosphate (LFP) is becoming common as a lower-cost alternative in energy storage systems (ESS) and mass-market electric vehicles. Lithium ions leave the cathode when charging and return during discharge.

What is Cathode?

Cathode is the positive electrode of a battery. Popular chemistries use nickel and cobalt to achieve high energy density and specific energy. Lithium iron phosphate (LFP) is becoming common as a lower-cost alternative in energy storage systems (ESS) and mass-market electric vehicles. Lithium ions leave the cathode when charging and return during discharge.

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