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Title: Designing an innovation system to support profitable electro- and bio-catalytic carbon upgrade

Journal Article · · Energy & Environmental Science
DOI: https://doi.org/10.1039/d1ee03753f · OSTI ID:1978787
ORCiD logo [1];  [2];  [3]; ORCiD logo [3]; ORCiD logo [4]
  1. Cornell Univ., Ithaca, NY (United States); OSTI
  2. Johns Hopkins Univ., Washington, DC (United States). School of Advanced International Studies
  3. Johns Hopkins Univ., Baltimore, MD (United States)
  4. Johns Hopkins Univ., Washington, DC (United States). School of Advanced International Studies; Johns Hopkins Univ., Baltimore, MD (United States)

Carbon capture, utilisation, and storage (CCUS) can mitigate an estimated 14–20% of CO2 emissions by 2050. Here, we evaluate an integrated electrocatalysis and biocatalysis CCUS pathway, using externally-supplied renewable electricity to convert over 12 MtCO2 to poly(3-hydroxybutyrate) via methanol and formate intermediates. A techno-economic and policy-innovation analysis provides insight into global CCUS innovation. Results suggest that innovation should focus on improving methanol faradaic efficiency, formate biocatalysis efficiency, electrocatalysis current density, and catalyst performance. Methanol and formate composition influences performance, but higher formate content can improve economics by US$3.8B over a 30 year lifetime. Profitable scenarios hinge on reducing methanol separation costs – through innovation or reduced energy usage – along with cheap renewable electricity and/or carbon pricing. Our evaluation of the global innovation status signifies that coordinated strategies are required to realise emissions cuts from CCUS. Innovation can be spurred by targeted investments and policies that promote emissions reductions.

Research Organization:
Johns Hopkins Univ., Baltimore, MD (United States)
Sponsoring Organization:
USDOE; USDOE Office of Energy Efficiency and Renewable Energy (EERE)
Grant/Contract Number:
EE0008501
OSTI ID:
1978787
Journal Information:
Energy & Environmental Science, Journal Name: Energy & Environmental Science Journal Issue: 3 Vol. 15; ISSN 1754-5692
Publisher:
Royal Society of ChemistryCopyright Statement
Country of Publication:
United States
Language:
English

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