持続可能な水素製造に向けたバイオマスの熱化学変換：技術経済性能と脱炭素ポテンシャルのレビュー

Unofficial AI-generated summary based on the public title and abstract. Not an official translation.

🔬研究者:バイオマス熱化学水素の技術成熟度と経済指標の定義差を整理する際の基準文献として有用。

🏢実務担当者:バイオマス由来水素の事業化検討において、LCOHや原料物流、精製境界の前提を確認する材料になる。

🏛政策担当者:水素供給の多様化とバイオマス活用の政策設計において、経済性評価の指標統一の重要性を示唆する。

Hydrogen is a strategic energy carrier for decarbonizing hard-to-abate sectors; however, current production remains fossil-based, while the economics and utilization of renewable electrolysis depend strongly on the availability and variability of low-carbon electricity. Thermochemical biomass conversion offers a complementary route because biomass can be stored, dispatched, and sourced from residues, wastes, and bioeconomy streams. This study systematically reviews the thermochemical pathways for sustainable hydrogen production, integrating technical performance, feedstock suitability, process upgrading, techno-economic feasibility, life-cycle impacts, and decarbonization potential. Following a PRISMA-based methodology, 111 core studies were included in the systematic review, while 26 review articles were analyzed separately as the supporting literature. Unlike previous reviews that primarily centered on technology- and reactor-level comparisons, the present synthesis places particular emphasis on the economic and deployment conditions governing biomass-to-hydrogen feasibility, including LCOH, plant scale, feedstock logistics, purification boundaries, and carbon-management assumptions. Gasification appeared in 96 core studies and showed the strongest maturity evidence among the reviewed thermochemical pathways, including pilot-scale integrated operation with downstream gas cleaning, water–gas shift, and hydrogen purification, although numerical TRL values were not consistently reported. Reported H2 concentrations ranged from approximately 8–16 vol% in conventional air/oxygen gasification and 30–60 vol% in steam-based gasification. Advanced capture-assisted systems achieved 78–81.1 vol% H2, while pilot-scale purification reached 98.6 vol%. Reported economic values varied substantially across metric definitions, plant scales, currencies, and system boundaries. Accordingly, LCOH, minimum selling price, and hydrogen production cost were treated as distinct metrics, and original currencies and economic reference years were retained when available rather than pooled into a single cross-study cost range.

• crossref https://doi.org/10.3390/pr14213469first seen 2026-10-30 06:03:20 · last seen 2026-11-06 06:02:34
• semanticscholar https://doi.org/10.3390/pr14213469first seen 2026-11-05 05:55:38 · last seen 2026-11-06 05:28:27