Zero-VOC (volatile organic compound) double-component fireproof expansion coating for new energy battery shell, preparation method thereof and battery cabin

The invention provides a zero-VOC (volatile organic compound) double-component fireproof expansion coating for a new energy battery shell, a preparation method of the zero-VOC double-component fireproof expansion coating and a battery cabin. The zero-VOC double-component fireproof intumescent coating comprises the following components in parts by weight: 10-25 parts of novolac epoxy resin, 1-10 parts of brominated epoxy resin, 30-60 parts of ammonium polyphosphate, 1-10 parts of liquid flame retardant, 1-10 parts of resin stabilizer, 1-10 parts of coupling agent, 1-10 parts of flexibilizer, 1-10 parts of thixotropic agent and 1-10 parts of carbon filler in a component A, and 25-50 parts of melamine in a component B, 12-45 parts of amine-containing curing agent and 1-10 parts of carbon filler in a component B, the environment-friendly thin fireproof expansion coating can be obtained on the inner surface of the battery shell by scientifically proportioning 10 parts of the components, and also has better flame-r