Which battery type is described as using a glass mat to hold electrolyte?

Which battery type is described as using a glass mat to hold electrolyte?

• A. Wet-cell battery
• B. Nickel-cadmium battery
• C. Lithium-ion battery
• D. Absorbed Glass Mat (AGM) battery

Answer: (D)

This describes how the electrolyte is held inside the cell. An Absorbed Glass Mat battery uses a fine glass fiber mat between the plates to absorb and immobilize the electrolyte. That mat keeps the electrolyte in place, making the battery spill-proof and maintenance-free, while still allowing ion flow for power. This VRLA design distinguishes it from wet-cell batteries, which contain free liquid electrolyte; from nickel-cadmium batteries, which use a different electrolyte arrangement not based on a glass mat; and from lithium-ion batteries, which use a liquid electrolyte with a separator, not a glass mat. So the one described as using a glass mat to hold electrolyte is the Absorbed Glass Mat battery.

This describes how the electrolyte is held inside the cell. An Absorbed Glass Mat battery uses a fine glass fiber mat between the plates to absorb and immobilize the electrolyte. That mat keeps the electrolyte in place, making the battery spill-proof and maintenance-free, while still allowing ion flow for power. This VRLA design distinguishes it from wet-cell batteries, which contain free liquid electrolyte; from nickel-cadmium batteries, which use a different electrolyte arrangement not based on a glass mat; and from lithium-ion batteries, which use a liquid electrolyte with a separator, not a glass mat. So the one described as using a glass mat to hold electrolyte is the Absorbed Glass Mat battery.