Sodium Bicarbonate → Carbon Dioxide

HRID 2280099Notes

Reaction equation

HRID 2280099 reaction equation
[C:1](=[O:4])([OH:3])[O-:2].[Na+:5]>O>[C:1](=[O:2])([O-:4])[O-:3].[Na+:5].[Na+:5].[C:1](=[O:3])=[O:2]

Participants

4

Reactant 1

HCID 516892Sodium Bicarbonate2×

Product 2

HCID 280Carbon DioxideHCID 10340Sodium Carbonate

Reagents, catalysts & solvents 1

HCID 962WaterSolvent

Procedure

In this example, the fire prevention effectiveness of filling the voids in the battery with microencapsulated sodium bicarbonate was evaluated. Sodium bicarbonate extinguishes fires by decomposing to form sodium carbonate, water, and carbon dioxide. The speed of the reaction increases as the temperature of the sodium bicarbonate increases. Sodium bicarbonate is an oxidizer and will corrode metal in the battery. The sodium bicarbonate was encapsulated in a polymer shell to prevent this from happening. The shell prevents corrosive reactions, but still allows the sodium bicarbonate to thermally degrade and extinguish a fire. The material flowed freely and included particles having an average size of 100 microns.

Sources & evidence

ORD record
ord-69293d1539b8419eaf86a135b5ad59c8
Source dataset
uspto-grants-2015_09
Patent number
US09136558B2

Reaction notes

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