Data-Driven-Based Bi-Level Optimization for the Energy Conversion Efficiency Improvement in a Photocatalytic-Hydrogen-Production System

2021 ◽  
Author(s):  
Ting Ren ◽  
Tianzeng Ma ◽  
Sha Liu ◽  
Xin Li
Keyword(s):  
Hydrogen Production ◽  
Energy Conversion ◽  
Conversion Efficiency ◽  
Production System ◽  
Energy Conversion Efficiency ◽  
Data Driven ◽  
Efficiency Improvement ◽  
Photocatalytic Hydrogen Production

The Efficiency of Material Utilization and Energy Conversion of Biogas Fermentation by Annua

2012 ◽  
Vol 621 ◽  
pp. 273-277
Author(s):  
Chang Mei Wang ◽  
Wu Di Zhang ◽  
Yu Bao Chen ◽  
Fang Yin ◽  
Shi Qing Liu ◽  
...  
Keyword(s):  
Hydrogen Production ◽  
Energy Conversion ◽  
Conversion Efficiency ◽  
Methane Production ◽  
Energy Conversion Efficiency ◽  
Utilization Efficiency ◽  
Fermentation Time ◽  
Utilization Ratio ◽  
Material Utilization

This paper used annua as material to do a biogas fermentation experiment. The result suggests that biogas-fermentation by pretreated annua is a preferable approach compared with methane production followed by hydrogen production, only methane production, or only hydrogen production, due to its decreasing overall fermentation time, and increasing material utilization efficiency and energy conversion efficiency. It shows that the TS and VS utilization ratio of first hydrogen production then methane production is higher than that of first methane production then hydrogen production.

Superior solar-to-hydrogen energy conversion efficiency by visible light-driven hydrogen production via highly reduced Ti2+/Ti3+ states in a blue titanium dioxide photocatalyst

2018 ◽  
Vol 8 (18) ◽  
pp. 4657-4664 ◽  
Author(s):  
Nuwan Lakshitha De Silva ◽  
A. C. A. Jayasundera ◽  
A. Folger ◽  
O. Kasian ◽  
S. Zhang ◽  
...  
Keyword(s):  
Titanium Dioxide ◽  
Hydrogen Production ◽  
Visible Light ◽  
Energy Conversion ◽  
Production System ◽  
Energy Conversion Efficiency ◽  
Hydrogen Energy ◽  
Visible Light Driven ◽  
Catalytic Hydrogen ◽  
Ir Light

A catalytic hydrogen production system was developed with TiO2 that contains Ti3+/Ti2+ reduced states which act as both visible and IR light harvesting components as well as the catalytic site.

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