The negative electrode refers to the end of a power source with a lower potential (voltage). In a galvanic cell, it refers to the electrode where oxidation occurs, and in battery reactions, it is written on the left side. From a physical perspective, it is the pole from which electrons flow out in a circuit. As for negative electrode materials, they refer to the raw materials that make up the negative electrode in a battery. Currently, common negative electrode materials include carbon-based negative electrode materials, tin-based negative electrode materials, lithium-containing transition metal nitride negative electrode materials, alloy-type negative electrode materials, and nanoscale negative electrode materials.

Research Progress on Anode Materials for Lithium-Ion Batteries

The anode of a lithium-ion battery is made by mixing anode active material, either carbon or non-carbon material, with a binder and additives to form a paste, which is uniformly coated on both sides of a copper foil, then dried and rolled. The success of making a lithium-ion battery depends on whether an anode material that can reversibly deintercalate/intercalate lithium ions can be prepared.

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