Bioenergy Overview - Concepedia

Principles

Definition

Bioenergy is energy obtained from biomass, defined as organic matter of recent biological origin. As a research field, it systematically investigates the processes for converting diverse biomass feedstocks into usable energy carriers (e.g., heat, electricity, biofuels), analyzes the associated environmental, social, and economic impacts across different scales, and evaluates its potential contribution to sustainable energy systems and global energy transitions.

Ontological type

Sustainability Assessment

Core Conversion Pathways

Biomass Feedstock Systems

Key developments

Key Figures

Biomass Conversion Engineering era

Allen J. Bard[1], associated with the Massachusetts Institute of Technology[3] and Johns Hopkins University[4] during this era, helped shape biomass conversion engineering directions. Allen J. Bard[1] and his 1995 paper Artificial Photosynthesis: Solar Splitting of Water to Hydrogen and Oxygen[6] proposed a solar-driven route to hydrogen, a critical enabling element for integrated biomass conversion strategies in this era. Lee R. Lynd[2], Dartmouth College[5], contributed to cellulosic biofuels research within this era. Lee R. Lynd[2] led work on ethanol from lignocellulosic biomass through Fuel Ethanol from Cellulosic Biomass[7], Large-scale fuel ethanol from lignocellulose[8], and Continuous fermentation of cellulosic biomass to ethanol[9], which established technical constraints, economic considerations, and scale-up challenges guiding biomass-to-fuel pathways in this era.

Biorefinery Framework Consolidation era

A.V. Bridgwater [1], associated with the University of Southampton [3] and Aston University [4], contributed to biorefinery research during the Biorefinery Framework Consolidation era. His key contributions in this era are reflected in reviews and syntheses of thermal biomass processing and pyrolysis oil upgrading, including 'Review of fast pyrolysis of biomass and product upgrading' [7], 'Overview of Applications of Biomass Fast Pyrolysis Oil' [8], and 'Renewable fuels and chemicals by thermal processing of biomass' [9], which helped establish upgrading pathways and the multi-product potential central to biorefinery concepts. Bruce E. Logan [2] is affiliated with Park University [5] and Harbin University [6] and contributed to microbial electrochemical approaches within this era. His work on electricity generation with single-chamber microbial fuel cells, such as 'Electricity Generation Using an Air-Cathode Single Chamber Microbial Fuel Cell in the Presence and Absence of a Proton Exchange Membrane' [10], 'Production of Electricity during Wastewater Treatment Using a Single Chamber Microbial Fuel Cell' [11], and 'Production of Electricity from Acetate or Butyrate Using a Single-Chamber Microbial Fuel Cell' [12], demonstrated practical energy recovery from wastewater and highlighted the role of bioelectrochemical systems in the broader biorefinery framework.

Catalysis-Lifecycle Algae Biorefineries era

Hwai Chyuan Ong [1], affiliated with University of Technology Sydney [3] and University of Malaya [4], has contributed to catalysis-driven algae bioenergy research in the 2016–2024 era. His work on Microalgae biofuels as an alternative to fossil fuel for power generation [6] and Investigation of carbon-based solid acid catalyst from Jatropha curcas biomass in biodiesel production [7] demonstrates how catalysis and feedstock processing can raise oil yields and fuel quality, improving lifecycle performance in algae biorefineries. H.H. Masjuki [2], linked with Macquarie University [5] and University of Malaya [4], co-authored these foundational works, highlighting the cross-institutional collaboration driving algae-based bioenergy strategies in this era. This synergy underscores the era's emphasis on catalysis-driven, lifecycle-informed optimization for microalgae- and waste-derived bioenergy pathways.