Subtopic Deep Dive

← Carbon dioxide utilization in catalysis

Catalytic Hydrogenation of CO2 to Formic Acid
Research Guide

What is Catalytic Hydrogenation of CO2 to Formic Acid?

Catalytic hydrogenation of CO2 to formic acid converts carbon dioxide and hydrogen into formic acid using homogeneous or heterogeneous catalysts under mild conditions for hydrogen storage.

This process targets high atom efficiency in CO2 utilization. Key works include homogeneous iron catalysts with Lewis acids (Bielinski et al., 2014, 444 citations) and ionic liquid buffering for efficiency (Weilhard et al., 2021, 102 citations). Over 10 papers from 2010-2023 explore catalyst design and mechanisms.

Curated Papers

Key Challenges

Why It Matters

Formic acid enables reversible H2 storage, supporting sustainable fuel cycles (Himeda, 2010). Homogeneous systems achieve high turnover with iron pincer catalysts and Lewis acids (Bielinski et al., 2014). Heterogeneous advances in ionic liquids boost scalability for industrial CO2 reduction (Weilhard et al., 2021). Processes integrate with electrolysis for pure formic acid solutions (Fan et al., 2020).

Key Research Challenges

Catalyst Stability Under Pressure

Catalysts deactivate during prolonged CO2 hydrogenation due to formate intermediates. Homogeneous iron systems require Lewis acid co-catalysts for activity but suffer from side reactions (Bielinski et al., 2014). Heterogeneous catalysts face sintering at mild conditions (Ye et al., 2019).

Selectivity to Formic Acid

Competing pathways favor methanol or methane over formic acid. Ionic liquids improve buffering but need optimization (Weilhard et al., 2021). Mechanism studies reveal C=O activation barriers (Podrojková et al., 2019).

Scalable Mild Conditions

High pressures limit industrial viability despite mild temperature goals. Aqueous media hydrogenation advances exist but yield drops without bases (Wang and Himeda, 2012). Process modeling highlights energy bottlenecks (Podrojková et al., 2019).

Essential Papers

CO2 hydrogenation to high-value products via heterogeneous catalysis

Runping Ye, Jie Ding, Weibo Gong et al. · 2019 · Nature Communications · 1.0K citations

Electrochemical CO2 reduction to high-concentration pure formic acid solutions in an all-solid-state reactor

Lei Fan, Chuan Xia, Peng Zhu et al. · 2020 · Nature Communications · 530 citations

Lewis Acid-Assisted Formic Acid Dehydrogenation Using a Pincer-Supported Iron Catalyst

Elizabeth A. Bielinski, Paraskevi O. Lagaditis, Yuanyuan Zhang et al. · 2014 · Journal of the American Chemical Society · 444 citations

Formic acid (FA) is an attractive compound for H2 storage. Currently, the most active catalysts for FA dehydrogenation use precious metals. Here, we report a homogeneous iron catalyst that, when us...

Methanol Synthesis from CO2: A Review of the Latest Developments in Heterogeneous Catalysis

R. Guil-López, N. Mota, J. Llorente et al. · 2019 · Materials · 301 citations

Technological approaches which enable the effective utilization of CO2 for manufacturing value-added chemicals and fuels can help to solve environmental problems derived from large CO2 emissions as...

Synthesis of liquid fuel via direct hydrogenation of CO <sub>2</sub>

Zhen‐Hong He, Meng Cui, Qingli Qian et al. · 2019 · Proceedings of the National Academy of Sciences · 199 citations

Significance CO 2 is a greenhouse gas. Synthesis of liquid fuel using CO 2 and H 2 is promising for the sustainability of mankind. The reported technologies usually proceed via CO intermediate, whi...

Catalytic Hydrogenation of CO2 to Methanol: A Review

Menghao Ren, Yanmin Zhang, Xuan Wang et al. · 2022 · Catalysts · 134 citations

High-efficiency utilization of CO2 facilitates the reduction of CO2 concentration in the global atmosphere and hence the alleviation of the greenhouse effect. The catalytic hydrogenation of CO2 to ...

Recent Developments in the Modelling of Heterogeneous Catalysts for CO<sub>2</sub> Conversion to Chemicals

Natália Podrojková, Víctor Sans, Andrej Oriňák et al. · 2019 · ChemCatChem · 112 citations

Abstract Density functional theory (DFT) of the CO 2 behavior on the catalyst surface provides valuable insights about the C=O bond activation, information about adsorption and dissociation of CO 2...

Reading Guide

Foundational Papers

Start with Bielinski et al. (2014, 444 citations) for homogeneous iron catalysis with Lewis acids, then Himeda (2010) for Ir-based H2 storage cycles, as they establish core mechanisms.

Recent Advances

Study Weilhard et al. (2021) for ionic liquid efficiency and Ye et al. (2019, 1038 citations) for heterogeneous benchmarks to grasp scalability advances.

Core Methods

Core techniques: Pincer ligand hydrogenation (Bielinski et al., 2014); ionic liquid buffering (Weilhard et al., 2021); DFT for surface adsorption (Podrojková et al., 2019).

How PapersFlow Helps You Research Catalytic Hydrogenation of CO2 to Formic Acid

Discover & Search

Research Agent uses searchPapers for 'CO2 hydrogenation formic acid catalysts' yielding Weilhard et al. (2021), then citationGraph reveals 102 citing works on ionic liquids, and findSimilarPapers links to Bielinski et al. (2014) for iron mechanisms.

Analyze & Verify

Analysis Agent applies readPaperContent to extract mechanisms from Bielinski et al. (2014), verifies kinetics claims via verifyResponse (CoVe) against Himeda (2010), and runs PythonAnalysis on turnover data with NumPy for statistical validation; GRADE scores evidence on catalyst stability.

Synthesize & Write

Synthesis Agent detects gaps in scalable heterogeneous systems from Ye et al. (2019), flags contradictions in selectivity; Writing Agent uses latexEditText for reaction schemes, latexSyncCitations for 10+ papers, latexCompile for report, and exportMermaid for mechanism diagrams.

Use Cases

"Plot turnover frequencies from CO2 hydrogenation papers"

Research Agent → searchPapers → Analysis Agent → runPythonAnalysis (pandas/matplotlib on extracted data) → turnover frequency plot with error bars.

"Draft reaction mechanism for iron-catalyzed CO2 to formic acid"

Research Agent → readPaperContent (Bielinski 2014) → Synthesis Agent → gap detection → Writing Agent → latexEditText + latexSyncCitations + latexCompile → LaTeX manuscript with scheme.

"Find open-source code for CO2 catalyst simulations"

Research Agent → paperExtractUrls (Podrojková 2019) → Code Discovery → paperFindGithubRepo → githubRepoInspect → DFT simulation scripts for C=O activation.

Automated Workflows

Deep Research workflow scans 50+ papers via searchPapers on 'CO2 formic acid catalysis', structures report with citationGraph clusters on homogeneous vs heterogeneous. DeepScan applies 7-step analysis: readPaperContent → verifyResponse → GRADE on Ye et al. (2019) mechanisms. Theorizer generates hypotheses on Lewis acid roles from Bielinski et al. (2014) and Weilhard et al. (2021).

Try Doxa for Catalytic Hydrogenation of CO2 to Formic Acid Research

Frequently Asked Questions

What defines catalytic hydrogenation of CO2 to formic acid?

It uses catalysts to convert CO2 + H2 to HCOOH under mild conditions for H2 storage, spanning homogeneous iron pincers (Bielinski et al., 2014) and buffered ionic liquids (Weilhard et al., 2021).

What methods dominate this subtopic?

Homogeneous methods employ pincer iron with Lewis acids (Bielinski et al., 2014); heterogeneous use ionic liquids (Weilhard et al., 2021) or nanomaterials (Alli et al., 2023); DFT models mechanisms (Podrojková et al., 2019).

What are key papers?

Foundational: Bielinski et al. (2014, 444 citations) on iron catalysis; Himeda (2010) on Ir complexes. Recent: Weilhard et al. (2021, 102 citations) on ionic liquids; Ye et al. (2019, 1038 citations) reviews heterogeneous paths.

What open problems persist?

Achieving precious-metal-free stability at ambient pressure; scaling without selectivity loss to methanol; integrating with H2 production (Wang and Himeda, 2012; Podrojková et al., 2019).