Under the “dual-carbon” goal

to further promote the low-carbon economic development in integrated energy systems (IES)

a robust optimal dispatch model of hydrogen-integrated energy system considering dynamic green certificate-carbon emission cooperative trading mechanism is constructed. First

based on the supply-demand relationship of tradable market commodities and their prices

dynamic trading supply-demand curves are formulated. A nonlinear price mapping function is introduced to quantify the time-varying conversion coefficients between green certificates and carbon emissions

thereby establishing a dynamic trading mechanism that reflects both reward and penalty characteristics. Second

a bidirectional flexible electro-hydrogen conversion model is developed using reversible solid oxide cells (RSOC)

which enables local absorption of surplus renewable energy and enhances system scheduling flexibility. Finally

the source-load uncertainty model is established

and the dynamic green certificate-carbon emission cooperative trading mechanism is introduced into the robust optimal dispatch of hydrogen-integrated energy system considering RSOC and source-load uncertainties. Case study results show that the proposed model not only reduces carbon emissions but also improves system economic performance.