THE OBJECTIVES OF THE PROJECT AND THE EXPECTED OUTCOMES ARE DESCRIBED IN THE TABLE BELOW. PROJECT OBJECTIVES - EXPECTED OUTCOMES STAGE 1 OPTIMIZATION OF H-BNNS FOR SATURATED CARBAZOLE BASED LOHCS -ENHANCED H-BNNS CATALYSTS WITH CATALYTIC ACTIVITY MORE THAN 100X THAN THE STATE-OF-THE-ART PGM CATALYSTS FOR THE DEHYDROGENATION OF SATURATED CARBAZOLE DERIVATIVES S1.1 VALIDATION OF H-BNNS BASELINE CATALYSTS - ESTABLISHED BASELINE PERFORMANCE (ACTIVITY, SELECTIVITY, AND STABILITY) OF H-BNNS CATALYSTS FOR THE DEHYDROGENATION OF 12H-NEC AND 12H-NPC S1.2 OPTIMIZATION OF H-BNNS PREPARATION AND SURFACE PROPERTIES - IMPROVED H-BNNS CATALYSTS WITH THE INTRINSIC CATALYTIC ACTIVITY MORE THAN 10X THAN THE BASELINE OR MORE THAN 100X THAN PGM CATALYSTS. THE INTRINSIC CATALYTIC ACTIVITY IS BASED ON THE WEIGHT OF THE CATALYSTS (INCLUDING THE SUPPORT FOR THE PGM CATALYSTS). STAGE 2 DEVELOPMENT OF NOVEL H-BN FOR BOTH HETERO- AND HOMO-CYCLIC LOHCS - NOVEL H-BN BASED DEHYDROGENATION CATALYSTS WITH SUPERIOR ACTIVITY, SELECTIVITY, AND DURABILITY OVER THE STATE-OF-THE-ART PGM CATALYSTS FOR BOTH HETERO- AND HOMO-CYCLIC LOHCS. S2.1 MODIFICATION OF H-BN CATALYSTS FOR OTHER N-LOHCS - ACTIVE AND ROBUST H-BN CATALYSTS FOR OTHER HETEROCYCLIC LOHCS, BESIDES SATURATED CARBAZOLE DERIVATIVES S2.2 IDENTIFICATION OF NOVEL H-BN CATALYSTS FOR HOMOCYCLIC LOHCS - H-BN CATALYSTS WITH SUPERIOR DEHYDROGENATION ACTIVITY OVER PGM CATALYSTS FOR HOMOCYCLIC LOHCS WITH THE DESIRABLE CATALYST PROPERTIES IDENTIFIED S2.3 DESIGN AND SYNTHESIS OF H-BN BASED CATALYSTS FOR A VARIETY OF LOHCS - A SERIES OF HIGHLY ACTIVE AND DURABLE H-BN CATALYSTS SPECIFICALLY DESIGNED FOR A VARIETY OF LOHCS, INCLUDING BOTH HETEROCYCLIC AND HOMOCYCLIC COMPOUNDS. STAGE 3 PROCESS OPTIMIZATION AND H-BN/LOHCS SYSTEM DEMONSTRATION - OPTIMIZED CATALYST PREPARATION PROCESSES FOR >10 GRAMS PER BATCH AND DEMONSTRATION OF CONTINUOUS RELEASE OF H2 FROM AT LEAST THREE H-BN/LOHCS SYSTEMS S3.1 OPTIMIZATION OF H-BN CATALYST PREPARATION PROCESSES - REPRODUCIBLE AND COST-EFFECTIVE CATALYST PREPARATION PROCESSES FOR VARIOUS H-BN CATALYSTS AND CATALYST SAMPLES OF >10 GRAMS FOR EACH TYPE S3.2 OPTIMIZATION OF REACTION CONDITIONS FOR VARIOUS LOHCS - OPTIMIZED LAB REACTION CONDITIONS FOR VARIOUS H-BN/LOHCS SYSTEMS AND LAB ASSESSMENT ON THE STABILITY OF THE SYSTEMS S3.3 DEMONSTRATION OF CONTINUOUS H2 GENERATION ON A TRICKLE-BED - CONTINUOUS H2 RELEASE AND DURABILITY DEMOS ON A TRICKLE-BED REACTOR FOR THREE H-BN/LOHCS SYSTEMS, INCLUDING BOTH HETERO- AND HOMO-CYCLIC LOHCS
$746,269FY2025Department of EnergyDOE
University Of Tennessee, Memphis TN