Boron-Doped Carbon Materials for Energy Storage Applications

Boron-doped carbon materials have emerged as versatile electrodes and active components in a range of energy storage devices, including supercapacitors, metal-ion batteries and electrochemical capacitors. Incorporation of boron atoms into carbon frameworks alters the electronic density of states, creates defect sites and enhances surface wettability, leading to improved charge storage, faster ion transport and extended cycle life. Synthetic approaches span high-temperature annealing of graphene oxide with boron precursors, templating via metal-organic and covalent organic frameworks, biomass activation and two-dimensional borocarbonitride assembly. The tunable pore architecture—from micro- to mesoporous networks—combined with optimised boron content yields materials that can deliver high specific capacitance, elevated energy density and rapid charge–discharge capability. These attributes are critical for applications ranging from portable electronics to grid-scale storage, where demands for high power density and long-term stability continue to rise globally.

Research from Nature Portfolio

Seminal work has demonstrated that simultaneous reduction and boron doping of graphene oxide at elevated temperatures can produce nanoplatelets with uniform boron incorporation and exceptionally high specific capacitance when employed in electrochemical double-layer capacitors. Such materials exhibit specific capacitance values approaching several hundred farads per gram in aqueous electrolytes and retain performance across thousands of cycles. In related studies, cobalt hydroxide integrated with boron and nitrogen co-doped graphene nanosheets—derived through a metal-organic framework route—has yielded hybrid electrodes with ultra-high capacitance exceeding one thousand farads per gram. These hybrids combine pseudocapacitive redox activity of transition metal hydroxide with the conductivity and stability imparted by boron-doped carbon, achieving device-level energy densities in the tens of watt-hours per kilogram and excellent rate capability.

Boron-Doped Carbon Materials for Energy Storage Applications publication trend

The graph below shows the total number of articles in boron-doped carbon materials for energy storage applications across all publications each year (not limited to Nature Index journals).

Technical terms

Specific capacitance: The amount of electric charge stored per unit mass of electrode material, typically expressed in farads per gram (F g−1).

Electrochemical double-layer capacitor (EDLC): A device that stores energy by separation of charge at the electrode–electrolyte interface without faradaic reactions.

Heteroatom doping: The intentional incorporation of non-carbon atoms (such as boron) into a carbon lattice to modify its electronic and electrochemical properties.

Mesoporous: Describes materials with pore diameters between 2 and 50 nanometres, facilitating rapid ion diffusion and high surface area.

Coulombic efficiency: The ratio of charge output to charge input during charge–discharge cycling, indicating reversibility and minimal side reactions.

References

1. High-concentration boron doping of graphene nanoplatelets by simple thermal annealing and their supercapacitive properties. Scientific Reports (2015).
2. Hierarchical Cobalt Hydroxide and B/N Co-Doped Graphene Nanohybrids Derived from Metal-Organic Frameworks for High Energy Density Asymmetric Supercapacitors. Scientific Reports (2017).
3. BCN nanostructures conjugated nanoporous carbon with oxygenated surface and high specific surface area for enhanced CO2 capture and supercapacitance. Chemical Engineering Journal (2023).
4. Hybrid nanoarchitectonics of ordered mesoporous C60–BCN with high surface area for supercapacitors and lithium-ion batteries. Carbon (2024).
5. Supercapacitor electrode with high charge density based on boron-doped porous carbon derived from covalent organic frameworks. Carbon (2021).
6. B, O and N Codoped Biomass-Derived Hierarchical Porous Carbon for High-Performance Electrochemical Energy Storage. Nanomaterials (2022).