Capsule containing a matrix, device with the matrix, and method of forming the matrix

A device, comprising:

• a heating section including,
• a first housing,
• a heating element in the first housing, and
• a capsule within heating proximity of the heating element,
• the capsule including,
• a matrix including,
• shredded strands of a filler material that is water-insoluble, the filler material including a plant-based cellulose material, the plant-based cellulose material including more than 98% alpha-cellulose material, 0.01% to less than 2% ash and a remainder is hemicellulose, the alpha-cellulose being one of a tobacco cellulose or both a non-tobacco plant based cellulose and the tobacco cellulose, the shredded strands defining interstices,
• a containing structure containing the matrix, and
• at least one first substance infused within the filler material, the at least one first substance being one of nicotine, at least one first flavorant, a pre-aerosol formulation, a combination thereof, or a sub-combination thereof, and
• the first housing defining an air inlet and an air outlet that are configured to establish an airflow path that passes across, passes through or both passes across and passes through the capsule.