Thermal battery with encapsulated phase-change material and associated production method

The present invention relates to a thermal battery (1) comprising an enclosure (3) comprising a fluid inlet and outlet and comprising within it tubes (5) of encapsulated phase-change material, said thermal battery (1) further comprising a device (7) for holding and spacing the tubes (5) of encapsulated phase-change material, said holding and spacing device (7) being arranged between the tubes (5) themselves and between the tubes (5) and the enclosure (3), said holding and spacing device (7) being porous.