Citation: Daigre, Gilles; Gougeon, Patrick; Gall, Philippe; Merdrignac-Conanec, Odile; Al Rahal Al Orabi, Rabih; Gautier, R\'egis; Dauscher, Anne; Candolfi, Christophe; Lenoir, Bertrand (2020). Unravelling the Beneficial Influence of Ag insertion on the Thermoelectric Properties of the Cluster Compound K2Mo15Se19. ACS Applied Energy Materials, , pp. -.