Plasma Electrocatalysis 2026 — PatSnap Eureka
Plasma Electrocatalysis: The 2026 Innovation Map
From cold plasma synthesis to in-liquid plasma nanostructuring, this landscape maps the dominant technical clusters, application domains, and IP white spaces across the plasma electrocatalysis field — derived from patent and literature records spanning 2005–2024.
Plasma-Prepared OER Catalyst Performance
Overpotential benchmarks for plasma-synthesized non-noble metal OER electrocatalysts
Two Paradigms Driving Plasma Electrocatalysis
Plasma electrocatalysis sits at the convergence of non-thermal plasma physics and electrochemical energy conversion. The field has accelerated sharply from 2019–2024, driven by urgent demands for green hydrogen, CO₂ valorization, ammonia synthesis, and next-generation fuel cell catalysts.
The first paradigm — plasma-assisted electrocatalyst preparation — uses cold plasma reduction, arc plasma deposition, RF sputtering, dielectric barrier discharge (DBD), plasma electrolytic oxidation, and in-liquid plasma to synthesize, dope, etch, or structurally modify catalyst materials with properties unachievable by conventional wet chemistry.
The second paradigm — plasma-driven electrochemical reactions — uses plasma as a direct energy input to drive or synergistically enhance electrochemical transformations such as water splitting, CO₂ splitting, ammonia synthesis, and biodiesel production. Research teams exploring advanced materials and catalyst synthesis increasingly treat plasma as a platform tool rather than a single-application technique.
According to IEA data, electrochemical energy conversion is central to decarbonization pathways — making plasma-based catalyst innovation strategically critical for industrial players. The PatSnap IP analytics platform enables teams to map this white space systematically.
Four Innovation Clusters Dominating the Dataset
The retrieved patent and literature dataset reveals four distinct technical clusters, each representing a coherent approach to plasma electrocatalysis with unique synthesis mechanisms and target applications.
Cold Plasma Synthesis & Surface Modification
The most extensively represented cluster. Non-thermal plasma — including DBD, RF, atmospheric pressure, and corona discharge — prepares or modifies catalysts via reduction, doping, and surface engineering. Key advantages include ambient-temperature operation, defect generation, and precise nanoparticle size control without solvent waste. DBD plasma treatment for 60 seconds multiplies Co³⁺ active sites on g-C₃N₄@Co(OH)₂ nanowires, delivering OER overpotential of 329 mV in alkaline media (University of Wisconsin-Madison, 2022).
329 mV OER overpotential — DBD / 60 secArc Plasma & Physical Vapor Deposition for Noble Metals
Dry-process plasma deposition techniques — arc plasma, pulsed laser deposition, and atmospheric RF torch — deposit noble metal nanoparticles directly onto catalyst supports with high purity, narrow size distribution, and strong adhesion. CAPD generates Pt nanoparticles with 2.5 nm average size on carbon supports; in-liquid plasma forms 4.1 nm Pt particles achieving 216 mW/cm² maximum power density in PEMFC (Tokai University, 2017). Particularly relevant for life sciences and energy device manufacturing.
2.5 nm Pt particles — CAPD (ULVAC-RIKO)In-Liquid Plasma (Plasma Electrolysis) for Electrode Nanostructuring
A distinct and rapidly growing approach where plasma is struck directly within or at the interface of an electrolytic solution, producing reactive species that grow hierarchical nanostructures on conductive substrates or drive chemical transformations. Iron-free in-liquid plasma nickel foam electrodes achieve current densities up to 800 mA/cm² for organic substrate oxidation at greater than 95% Faradaic efficiency (2022). Cathodic plasma electrolysis achieves 98.76% biodiesel yield with specific energy consumption of 720 J/ml (University of Indonesia, 2020).
800 mA/cm² — in-liquid plasma Ni foamPlasma-Assisted Non-Noble Metal OER/HER Electrocatalysts
Addresses the critical need to replace precious metals using plasma methods to generate transition metal oxide, phosphide, and oxyhydroxide catalysts with precise oxygen defectivity, high surface area, and engineered hetero-interfaces. Oxygen plasma induces high-valence Fe in NiFe₂O₄/NiMoO₄ hetero-interface: 270 mV overpotential at 50 mA/cm², 309 mV at 500 mA/cm² (Wuhan University of Technology, 2022). Co₃O₄-Fe₂O₃ systems on Ni foam deliver approximately 120 mA/cm² at 1.79 V vs. RHE (CNR-CRISMAT, 2021).
270 mV OER — O₂ plasma NiFe₂O₄/NiMoO₄Innovation Signals from the Patent & Literature Dataset
Visual analysis of application domain distribution and the maturation arc from foundational research to applied engineering, derived from records spanning 2005–2024.
Application Domain Distribution
Relative representation of application domains across the plasma electrocatalysis patent and literature dataset — green hydrogen dominates.
Innovation Maturity Arc (2005–2024)
Three-phase maturation from foundational plasma reactor concepts to techno-economic validation of industrial-scale applications.
Six Application Domains Mapped Across the Dataset
From green hydrogen at industrial current densities to solid-state supercapacitor electrolyte engineering, plasma electrocatalysis spans a wide application surface.
| Application Domain | Key Plasma Approach | Representative Performance | Lead Institution | Year |
|---|---|---|---|---|
| Green Hydrogen (Water Splitting) | In-liquid plasma, PDSE, OER catalyst synthesis | 800 mA/cm², >95% Faradaic efficiency | Multiple (2022 dataset) | 2022 |
| PEMFC Electrocatalysts | Arc plasma, RF torch, in-liquid plasma Pt deposition | 216 mW/cm² max power density; 0.85 V OCV | Tokai University / ULVAC-RIKO | 2015–2017 |
| CO₂ Conversion / Power-to-Liquid | Plasma CO₂ splitting, DBD plasma catalysis | 16.5%–27.5% process efficiency (2050 projection) | University of Stuttgart (PlasmaFuel) | 2023 |
| Green Ammonia Synthesis | Plasma-catalytic N₂ fixation with intermittent electricity | ≥1.0 mol% NH₃ outlet concentration required for viability | University of Twente / MESA+ | 2020 |
| Electrochemical Energy Storage | O₂ plasma PVA electrolyte treatment; combined gas plasma on graphite felts | 2.05× supercapacitor improvement (120 W, 5 sec plasma) | Hanbat National University / Enel | 2021–2023 |
| Biomass & Organic Valorization | Cathodic plasma electrolysis, in-liquid plasma oxidation | 98.76% biodiesel yield; 720 J/ml specific energy | University of Indonesia | 2020 |
Find Application-Specific Plasma Electrocatalysis Patents
PatSnap Eureka's AI search surfaces the most relevant records for your target application domain instantly.
Academia-Dominated IP: A Significant Industrial White Space
Innovation in plasma electrocatalysis is broadly distributed across academic institutions rather than concentrated in large industrial assignees — signaling pre-commercial status and first-mover opportunity.
China — Largest Assignee Concentration
Contributions from Shihezi University (Xinjiang), Dalian University, Wuhan University of Technology, College of Chemistry at Beijing University of Chemical Technology, Tsinghua University, Shanghai Institute of Space Power-Sources, and Nanjing University. Reflects sustained investment in electrocatalyst materials science across plasma synthesis and conventional approaches.
Europe — Multi-Country Research Depth
Well-represented across France (CNR-CRISMAT Caen, IMT Nord Europe, University of Poitiers), Germany (University of Stuttgart, Westfälische Hochschule), Belgium (Université Libre de Bruxelles), Italy (CNR-ITAE Messina, Enel), Poland (Warsaw University), and Russia (Southern Federal University). The Netherlands (University of Twente/MESA+) is the focal point for plasma-catalytic ammonia synthesis feasibility research.
Japan — Industrial-Academic Bridge
Notable industrial-academic filings from ULVAC-RIKO, Inc. (arc plasma deposition), Tokai University (in-liquid plasma), Tokyo Institute of Technology (technology analysis), and Yokohama National University (non-PGM catalysts). ULVAC-RIKO is one of only three clearly industrial assignees with plasma-specific IP in the entire dataset.
Industrial IP White Space — First-Mover Opportunity
The only clearly industrial assignees with plasma-specific IP are ULVAC-RIKO, Inc. (Japan), Korea Institute of Energy Research (South Korea, the oldest patent in the dataset, 2005), and Enel Global Power Generation (Italy). For industrial players in electrolyzer manufacturing, fuel cell stack production, and flow battery systems, there is a significant first-mover opportunity to file application-specific patents on plasma-assisted electrode manufacturing processes. Track assignee activity with PatSnap's customer intelligence tools.
What This Landscape Means for R&D and IP Teams
IP White Space in Industrial Plasma Electrocatalysis: The dataset shows that IP in this field is overwhelmingly held by academic and government research institutions. For industrial players in electrolyzer manufacturing, fuel cell stack production, and flow battery systems, there is a significant first-mover opportunity to file application-specific patents on plasma-assisted electrode manufacturing processes — particularly for OER anodes and VRFB electrodes where plasma processing timescales (minutes) are now demonstrated at industrially relevant scales.
Convergence of Plasma and Hetero-Interface Engineering: The oxygen plasma hetero-interface approach (Wuhan University of Technology, 2022) and PECVD/RF sputtering on Ni foam (CNR-CRISMAT, 2021) establish plasma as a controllable lever for metal oxidation state and interface chemistry — a capability gap that conventional synthesis methods cannot easily replicate and which warrants dedicated R&D investment. Teams at chemical and materials R&D organizations should assess freedom-to-operate in this space.
Plasma-Driven Solution Electrolysis Needs Efficiency Benchmarking: The PDSE/CGDE field for hydrogen production remains fragmented with no clear industry-wide efficiency standard. R&D teams should prioritize standardized energy yield (g H₂/kWh) benchmarking protocols to enable credible comparisons with PEM electrolysis and to attract infrastructure investment. IRENA's hydrogen roadmaps provide a useful external benchmark framework.
Multi-Functional Plasma Treatment Platforms: Across the dataset, plasma achieves doping, etching, oxidation state control, surface wettability modification, and nanostructure growth — often simultaneously and rapidly. R&D organizations should consider plasma as a platform tool applicable across catalyst types (noble metal, transition metal oxide, carbon) and device types (fuel cells, electrolyzers, supercapacitors, flow batteries) rather than a single-application technology, enabling cross-domain IP portfolios. The PatSnap Open API enables systematic cross-domain patent portfolio analysis.
Plasma Electrocatalysis — key questions answered
Plasma electrocatalysis encompasses two interconnected technical paradigms. The first is plasma-assisted electrocatalyst preparation, where plasma processes—cold plasma reduction, arc plasma deposition, RF sputtering, dielectric barrier discharge (DBD), plasma electrolytic oxidation, and in-liquid plasma—are employed to synthesize, dope, etch, or structurally modify catalyst materials with properties unachievable by conventional wet chemistry. The second paradigm is plasma-driven electrochemical reactions, where plasma is used as a direct energy input to drive or synergistically enhance electrochemical transformations such as water splitting for hydrogen production, CO₂ splitting, ammonia synthesis, and biodiesel production.
The single largest application cluster is green hydrogen production via water splitting and plasma-driven solution electrolysis (PDSE). Other major domains include proton exchange membrane fuel cells (PEMFC), CO₂ conversion and power-to-liquid, green ammonia synthesis, electrochemical energy storage (supercapacitors and vanadium redox flow batteries), biomass and organic valorization, and environmental remediation.
DBD plasma treatment for 60 seconds on g-C₃N₄@Co(OH)₂ nanowires delivers an OER overpotential of 329 mV in alkaline media (University of Wisconsin-Madison, 2022). Oxygen plasma-induced NiFe₂O₄/NiMoO₄ hetero-interface catalysts achieve 270 mV overpotential at 50 mA/cm² and 309 mV at 500 mA/cm² (Wuhan University of Technology, 2022). In-liquid plasma on nickel foam achieves current densities up to 800 mA/cm² for organic substrate oxidation at greater than 95% Faradaic efficiency (2022). PECVD and RF sputtering Co₃O₄-Fe₂O₃ systems on Ni foam deliver approximately 120 mA/cm² at 1.79 V vs. RHE (CNR-CRISMAT, 2021).
China is the most represented country by assignee affiliation, with contributions from Shihezi University, Dalian University, Wuhan University of Technology, and others. Europe is well-represented across France, Germany, Belgium, Italy, Poland, and Russia. Japan contributes notable industrial-academic filings from ULVAC-RIKO, Inc. and Tokai University. South Korea is represented by the Korea Institute of Energy Research. The Netherlands (University of Twente/MESA+) is the focal point for plasma-catalytic ammonia synthesis research. The United States is represented by Oak Ridge National Laboratory, University of Wisconsin-Madison, and the University of New Mexico.
Innovation in plasma electrocatalysis is broadly distributed across academic institutions rather than concentrated in large industrial assignees. The only clearly industrial assignees with plasma-specific IP are ULVAC-RIKO, Inc. (Japan, arc plasma deposition), Korea Institute of Energy Research (South Korea, plasma reactor patent), and Enel Global Power Generation (Italy, plasma-treated VRFB electrodes). This distribution signals that the field remains largely pre-commercial and academia-driven, representing a significant white space for industrial IP development.
Five distinct forward trajectories are identifiable: (1) In-liquid plasma for self-supported high-current-density electrodes operable at 800 mA/cm²; (2) Oxygen plasma-induced hetero-interface engineering for OER extending to sulfides, selenides, and phosphides; (3) Atmospheric plasma treatment of polymer electrolytes for solid-state energy storage; (4) Techno-economic validation of plasma CO₂ splitting in power-to-liquid chains, with the PlasmaFuel project projecting process efficiencies of 16.5%–27.5% by 2050; (5) Plasma processing for vanadium redox flow battery electrodes at industrially compatible timescales.
Still have questions? Let PatSnap Eureka answer them with live patent and literature data.
Ask PatSnap Eureka Your R&D QuestionsMap Every Plasma Electrocatalysis Patent — Before Your Competitors Do
Join 18,000+ innovators already using PatSnap Eureka to accelerate their R&D, identify IP white spaces, and benchmark catalyst performance data across 2B+ patent and literature records.
References
- A Review on the Promising Plasma-Assisted Preparation of Electrocatalysts — Shihezi University, 2019, CN
- The 2020 Plasma Catalysis Roadmap — IMT Nord Europe (CERI EE), 2020, FR
- Cold Plasma – A Promising Tool for the Development of Electrochemical Cells — 2012, International
- Formation of Platinum Catalyst on Carbon Black Using an In-Liquid Plasma Method for Fuel Cells — Tokai University, 2017, JP
- Fuel Cell Electrodes From Organometallic Platinum Precursors: An Easy Atmospheric Plasma Approach — Université Libre de Bruxelles, 2015, BE
- Preparation of a platinum electrocatalyst by coaxial pulse arc plasma deposition — ULVAC-RIKO, Inc., 2015, JP
- PEM fuel cell electrode preparation using oxygen plasma treated graphene related material serving as catalyst support — Westfälische Hochschule, 2017, DE
- Plasma-modified graphitic C3N4@Cobalt hydroxide nanowires as a highly efficient electrocatalyst for oxygen evolution reaction — University of Wisconsin-Madison, 2022, US
- In-Liquid Plasma Modified Nickel Foam: NiOOH/NiFeOOH Active Site Multiplication for Electrocatalytic Alcohol, Aldehyde, and Water Oxidation — 2022
- Overview of the Hydrogen Production by Plasma-Driven Solution Electrolysis — Gdynia Maritime University, 2022, PL
- Plasma-Assisted Synthesis of Co₃O₄-Based Electrocatalysts on Ni Foam Substrates for the Oxygen Evolution Reaction — CNR-CRISMAT, Caen, 2021, FR
- Oxygen-Plasma-Induced Hetero-Interface NiFe₂O₄/NiMoO₄ Catalyst for Enhanced Electrochemical Oxygen Evolution — Wuhan University of Technology, 2022, CN
- Feasibility Study of Plasma-Catalytic Ammonia Synthesis for Energy Storage Applications — University of Twente, 2020, NL
- Plasma-driven catalysis: green ammonia synthesis with intermittent electricity — MESA+ Institute, 2020, NL
- Techno-Economic Potential of Plasma-Based CO₂ Splitting in Power-to-Liquid Plants — University of Stuttgart, 2023, DE
- Graphene-Based Electrodes in a Vanadium Redox Flow Battery Produced by Rapid Low-Pressure Combined Gas Plasma Treatments — Enel, 2021, IT
- Atmospheric Plasma Treatment of Polymer Gel Electrolytes for Solid-State Supercapacitors — Hanbat National University, 2023, KR
- The comparison of cathodic and anodic plasma electrolysis performance in the synthesis of biodiesel — University of Indonesia, 2020, ID
- "Storage-Discharge" Ethanol Cold Plasma for Synthesizing High Performance Pd/Al₂O₃ Catalysts — Dalian University, 2020, CN
- Plasma reactor with dielectric electrode united by catalyst in one body — Korea Institute of Energy Research, 2005, KR
- International Energy Agency (IEA) — Global Hydrogen Review
- IRENA — Green Hydrogen: A Guide to Policy Making
- U.S. Department of Energy — Hydrogen and Fuel Cell Technologies Office
All data and statistics on this page are sourced from the references above and from PatSnap's proprietary innovation intelligence platform. This landscape is derived from a limited set of patent and literature records retrieved across targeted searches. It represents a snapshot of innovation signals within this dataset only and should not be interpreted as a comprehensive view of the full industry.
PatSnap Eureka searches patents and research to answer instantly.