分散型グリーン水素インフラ向け水素圧縮技術：機械式圧縮機から近等温液圧ピストン・電気化学システムまでのレビュー
Hydrogen Compression Technologies for Decentralized Green Hydrogen Infrastructure: A Review from Mechanical Compressors to Near-Isothermal Liquid-Piston and Electrochemical Systems (原題)
Konuhova M, Bezrukovs V, Bezrukovs V, Berzins A, Buryi M, Liepins K, Popov AI
🤖 gxceed AI 要約
日本語
分散型グリーン水素インフラにおける圧縮技術を、機械式・液圧ピストン・電気化学・金属水素化物・ハイブリッドの各方式で横断比較したレビュー。圧力比、比エネルギー消費、熱挙動、純度、動的柔軟性、信頼性、スケーラビリティ、TRLを共通基準で評価。高圧・大流量・商用成熟では機械式が基準、熱管理重視では液圧ピストン、高純度・中流量では電気化学、廃熱利用では金属水素化物が有望と整理。単一最適解はなく、電解槽・バッファ貯蔵・需要を含む運転包絡線全体での選定と、標準化された報告・長期サイクル検証・実コストデータが今後の課題と結論。
English
A cross-technology review of hydrogen compression for decentralized green hydrogen, comparing mechanical, liquid-piston, electrochemical, metal-hydride and hybrid systems on pressure ratio, specific energy, thermal behavior, purity, dynamic flexibility, reliability, scalability and TRL. Mechanical compressors remain the reference for high pressure and throughput; liquid-piston suits near-isothermal needs; electrochemical suits compact high-purity moderate flow; metal-hydride suits waste-heat availability. No single technology is optimal — selection must consider the full operating envelope with electrolyzer, buffer storage and demand, plus standardized reporting and lifetime cost data.
Unofficial AI-generated summary based on the public title and abstract. Not an official translation.
📝 gxceed 編集解説 — Why this matters
日本のGX文脈において
日本は水素基本戦略とGX推進の下、再エネ由来水素の社会実装と分散型サプライチェーン構築を進めており、圧縮は製造・貯蔵・利用を結ぶコストとエネルギー効率のボトルネック。本レビューは機器選定の判断材料を提供し、水素関連の設備投資・調達判断や自治体・企業の脱炭素計画に資する。開示・金融フレームワークとの直接接続は薄い。
In the global GX context
Globally, green hydrogen is central to hard-to-abate decarbonization and transition finance narratives, yet compression remains an under-discussed cost and efficiency bottleneck. This review offers a structured technology-selection framework useful for project developers, industrial off-takers and policy designers shaping hydrogen infrastructure, though it does not engage TCFD/ISSB disclosure directly.
👥 読者別の含意
🔬研究者:圧縮方式の横断比較基準と未解決課題（膜耐久性、界面安定性、標準化）を整理した出発点として有用。
🏢実務担当者:分散型水素プロジェクトの圧縮機選定・統合設計において、運転包絡線と熱管理を踏まえた方式比較の指針となる。
🏛政策担当者:水素インフラ支援策や標準化・長期検証・コストデータ整備の必要性を検討する際の技術的根拠を提供。
📄 Abstract（原文）
Hydrogen compression is a critical interface between production, storage and end use in decentralized green hydrogen infrastructure, where fluctuating electrolyzer output and intermittent demand require operation over variable pressure and flow conditions. This review provides a cross-technology and application-oriented assessment of conventional mechanical, liquid-piston, electrochemical, metal-hydride and hybrid compression systems using common criteria including pressure ratio, specific energy consumption, thermal behavior, hydrogen purity, dynamic flexibility, reliability, scalability and technology readiness. The comparison shows that mechanical compressors remain the reference choice when high pressure, high throughput and commercial maturity dominate. Liquid-piston systems may offer advantages where thermal management and near-isothermal operation are priorities, but their performance depends on working-fluid properties, interface stability, chamber scaling and hydraulic efficiency. Electrochemical compressors are attractive for compact, high-purity and moderate-flow applications, although membrane durability, hydrogen crossover and water management remain key barriers. Metal-hydride systems are most relevant where low-grade or waste heat is available, while hybrid systems can distribute complementary compression functions between stages. Overall, no single technology is optimal; selection should consider the complete operating envelope and integration with electrolyzer operation, buffer storage and downstream demand. Future development requires standardized reporting, long-term cyclic validation, and realistic lifetime and cost data.
🔗 Provenance — このレコードを発見したソース
- Research Square https://doi.org/10.20944/preprints202609.0935.v1first seen 2026-09-15 04:21:56 · last seen 2026-09-21 04:22:22
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