This chapter outlines a strategic approach for building a methanol society using existing, proven technologies, rather than waiting for entirely new innovations. Two technological pillars are emphasized: methanol production and energy utilization. To enable methanol’s widespread adoption as a fuel and energy carrier, it is crucial to reduce the cost of hydrogen production and CO₂ recovery while concurrently expanding renewable energy capacity. In the short term, internal combustion engines (ICEs) offer a practical and mature method for methanol use, despite their modest efficiency. In the long term, fuel cells—especially when integrated with waste heat recovery—can achieve energy conversion efficiencies approaching 80%, making them essential for the future methanol economy. Heat utilization is highlighted as a vital factor in improving system efficiency. The deployment of low-cost, readily available heat management technologies should begin immediately, accompanied by ongoing technological refinement. This chapter concludes that by combining existing tools with well-planned integration of renewable energy, hydrogen, CO₂ capture, and thermal systems, a robust and scalable low-carbon energy infrastructure based on methanol can be realized.

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Technologies Required for a Methanol-Based Society

  • Junji Nakamura,
  • Masayoshi Ishida

摘要

This chapter outlines a strategic approach for building a methanol society using existing, proven technologies, rather than waiting for entirely new innovations. Two technological pillars are emphasized: methanol production and energy utilization. To enable methanol’s widespread adoption as a fuel and energy carrier, it is crucial to reduce the cost of hydrogen production and CO₂ recovery while concurrently expanding renewable energy capacity. In the short term, internal combustion engines (ICEs) offer a practical and mature method for methanol use, despite their modest efficiency. In the long term, fuel cells—especially when integrated with waste heat recovery—can achieve energy conversion efficiencies approaching 80%, making them essential for the future methanol economy. Heat utilization is highlighted as a vital factor in improving system efficiency. The deployment of low-cost, readily available heat management technologies should begin immediately, accompanied by ongoing technological refinement. This chapter concludes that by combining existing tools with well-planned integration of renewable energy, hydrogen, CO₂ capture, and thermal systems, a robust and scalable low-carbon energy infrastructure based on methanol can be realized.