Graphene batteries: Introduction and Market News
Graphene and batteries
Graphene, a sheet of carbon atoms bound together in a honeycomb lattice pattern, is hugely recognized as a wonder material due to the myriad of astonishing attributes it holds. It is a potent conductor of electrical and thermal energy, extremely lightweight chemically inert, and flexible with a large surface area. It is also considered eco-friendly and sustainable, with unlimited possibilities for numerous applications.
The advantages of graphene batteries
In the field of batteries, conventional battery electrode materials (and prospective ones) are significantly improved when enhanced with graphene. A graphene battery can be light, durable and suitable for high capacity energy storage, as well as shorten charging times. It will extend the battery's life, which is negatively linked to the amount of carbon that is coated on the material or added to electrodes to achieve conductivity, and graphene adds conductivity without requiring the amounts of carbon that are used in conventional batteries.
Graphene can improve such battery attributes as energy density and form in various ways. Li-ion batteries (and other types of rechargeable batteries) can be enhanced by introducing graphene to the battery's anode and capitalizing on the material's conductivity and large surface area traits to achieve morphological optimization and performance.
It has also been discovered that creating hybrid materials can also be useful for achieving battery enhancement. A hybrid of Vanadium Oxide (VO2) and graphene, for example, can be used on Li-ion cathodes and grant quick charge and discharge as well as large charge cycle durability. In this case, VO2 offers high energy capacity but poor electrical conductivity, which can be solved by using graphene as a sort of a structural backbone on which to attach VO2 - creating a hybrid material that has both heightened capacity and excellent conductivity.
Another example is LFP (Lithium Iron Phosphate) batteries, that is a kind of rechargeable Li-ion battery. It has a lower energy density than other Li-ion batteries but a higher power density (an indicator of of the rate at which energy can be supplied by the battery). Enhancing LFP cathodes with graphene allowed the batteries to be lightweight, charge much faster than Li-ion batteries and have a greater capacity than conventional LFP batteries.
In addition to revolutionizing the battery market, combined use of graphene batteries and graphene supercapacitors could yield amazing results, like the noted concept of improving the electric car's driving range and efficiency. While graphene batteries have not yet reached widespread commercialization, battery breakthroughs are being reported around the world.
Battery basics
Batteries serve as a mobile source of power, allowing electricity-operated devices to work without being directly plugged into an outlet. While many types of batteries exist, the basic concept by which they function remains similar: one or more electrochemical cells convert stored chemical energy into electrical energy. A battery is usually made of a metal or plastic casing, containing a positive terminal (an anode), a negative terminal (a cathode) and electrolytes that allow ions to move between them. A separator (a permeable polymeric membrane) creates a barrier between the anode and cathode to prevent electrical short circuits while also allowing the transport of ionic charge carriers that are needed to close the circuit during the passage of current. Finally, a collector is used to conduct the charge outside the battery, through the connected device.
When the circuit between the two terminals is completed, the battery produces electricity through a series of reactions. The anode experiences an oxidation reaction in which two or more ions from the electrolyte combine with the anode to produce a compound, releasing electrons. At the same time, the cathode goes through a reduction reaction in which the cathode substance, ions and free electrons combine into compounds. Simply put, the anode reaction produces electrons while the reaction in the cathode absorbs them and from that process electricity is produced. The battery will continue to produce electricity until electrodes run out of necessary substance for creation of reactions.
Battery types and characteristics
Batteries are divided into two main types: primary and secondary. Primary batteries (disposable), are used once and rendered useless as the electrode materials in them irreversibly change during charging. Common examples are the zinc-carbon battery as well as the alkaline battery used in toys, flashlights and a multitude of portable devices. Secondary batteries (rechargeable), can be discharged and recharged multiple times as the original composition of the electrodes is able to regain functionality. Examples include lead-acid batteries used in vehicles and lithium-ion batteries used for portable electronics.
Batteries come in various shapes and sizes for countless different purposes. Different kinds of batteries display varied advantages and disadvantages. Nickel-Cadmium (NiCd) batteries are relatively low in energy density and are used where long life, high discharge rate and economical price are key. They can be found in video cameras and power tools, among other uses. NiCd batteries contain toxic metals and are environmentally unfriendly. Nickel-Metal hydride batteries have a higher energy density than NiCd ones, but also a shorter cycle-life. Applications include mobile phones and laptops. Lead-Acid batteries are heavy and play an important role in large power applications, where weight is not of the essence but economic price is. They are prevalent in uses like hospital equipment and emergency lighting.
Lithium-Ion (Li-ion) batteries are used where high-energy and minimal weight are important, but the technology is fragile and a protection circuit is required to assure safety. Applications include cell phones and various kinds of computers. Lithium Ion Polymer (Li-ion polymer) batteries are mostly found in mobile phones. They are lightweight and enjoy a slimmer form than that of Li-ion batteries. They are also usually safer and have longer lives. However, they seem to be less prevalent since Li-ion batteries are cheaper to manufacture and have higher energy density.
Batteries and supercapacitors
While there are certain types of batteries that are able to store a large amount of energy, they are very large, heavy and release energy slowly. Capacitors, on the other hand, are able to charge and discharge quickly but hold much less energy than a battery. The use of graphene in this area, though, presents exciting new possibilities for energy storage, with high charge and discharge rates and even economical affordability. Graphene-improved performance thereby blurs the conventional line of distinction between supercapacitors and batteries.
Graphene batteries combine the advantages of both batteries and supercapacitors
Graphene-enhanced batteries are almost here
Graphene-based batteries have exciting potential and while they are not yet fully commercially available yet, R&D is intensive and will hopefully yield results in the future. Companies all over the world (including Samsung, Huawei, various startups and others) are developing different types of graphene-enhanced batteries, some of which are now entering the market. The main applications are in electric vehicles and mobile devices.
Some batteries use graphene in peripheral ways - not in the battery chemistry. Examples include thermal management systems, composite casings and more.
Further reading
- Introduction to graphene
- Graphene Supercapacitors
- How to invest in the graphene revolution
- The Graphene Handbook, our very own guide to the graphene market
- Graphene-Info's graphene batteries market report
- Graphene supercapacitors market report
Solidion Technology announces $35 million private placement
Solidion Technology, an advanced battery technology solutions provider, has announced that it has entered into a securities purchase agreement with a new institutional investor for the purchase and sale of 2,333,000 shares of common stock (or common stock equivalents) in a private placement priced above market under Nasdaq rules. The offering is expected to result in gross proceeds of $35 million, before deducting offering expenses.
The Company intends to use the net proceeds from the offering to support the commercialization of its patented Extreme-Climate Battery technology, fulfill customer demand, expand inventory, advance the building and testing of prototypes, and for working capital and general corporate purposes.
Global Graphene Group trims Solidion stake in recent share sale
Global Graphene Group has reported another sale of Solidion Technology shares, continuing a series of insider transactions involving the graphene-linked battery materials company. The latest filing shows the company sold 175,000 shares on June 4, 2026.
Following the sale, Global Graphene Group still held 1,569,695 shares of Solidion Technology.
Solidion Technology announces patented extreme-climate battery technology targeting aerospace and AI applications
Solidion Technology has announced a 'patented breakthrough' in extreme-climate battery technology and its strategic positioning within the rapidly expanding space and lunar economy. As commercial space activity accelerates, Solidion's Generation Extreme-Climate Battery (Gen-ECB) platform is engineered to deliver reliable, high-performance power storage for satellites, Low Earth Orbit (LEO)-based AI data centers, crewed spacecraft, and future lunar infrastructure.
Protected by multiple patents, Solidion's Gen-ECB harnesses the exceptional thermal conductivity and radiation resistance of graphene to actively regulate temperature within battery cells - rapidly dissipating heat to prevent thermal runaway and, when needed, drawing warmth from external sources such as solar panels to maintain stable operations in extreme cold. The result is a battery system proven to operate reliably from −80°C to +60°C, with ongoing development targeting even broader temperature ranges for deep-space missions.
Solidion reports first Q1 2026 revenue alongside progress in graphene-enabled battery technologies
Solidion Technology recently reported its first-ever quarterly revenue in its Q1 2026 results, marking a step in the company’s transition from R&D-focused operations toward commercialization. The company recorded $85,426 in revenue, primarily from government grants and initial deliveries of its silicon anode materials.
While still operating at a loss, Solidion reduced its net loss to $1.4 million for the quarter, supported in part by lower operating expenses and a non-cash gain related to derivative liabilities. The company also reported a $1.8 million loss from continuing operations, reflecting ongoing investments in product development and commercialization.
Volt Carbon advances graphene and expandable graphite activities, expands production capabilities
Volt Carbon Technologies has provided an update on its operations, highlighting ongoing commercialization efforts and expanded activities in graphene-related materials.
Over the past three years, Volt has generated modest revenues through mineral processing services and advanced materials development programs, as reported in its Management’s Discussion and Analysis filings. While these revenues have not been material, they have helped offset a portion of operating costs as the company continues to prioritize process development and commercial readiness.
Solidion Technology to monetize patent portfolio
Solidion Technology, an advanced battery technology solutions provider, has announced that it has entered into an agreement with the IP Services Practice of Hilco Global to monetize its foundational energy portfolio and enforce its patent rights.
Hilco has analyzed the Solidion patent portfolio to identify high value assets and the patent data suggest that a significant number of global companies will likely require a license to the Solidion portfolio. In the energy storage segment in particular, virtually all the major players in the industry have technology that overlaps with the Solidion portfolio and the same appears to be true in semiconductors, consumer electronics and aerospace.
GMG reports doubling energy density of 6 minute charging graphene aluminium-ion battery
Graphene Manufacturing Group (GMG) has provided a progress update on its Graphene Aluminium-Ion Battery technology (“G+A CELLS”) being developed by GMG and the University of Queensland (“UQ”) under a Joint Development Agreement with Rio Tinto, one of the world’s largest metals and mining groups, and with the support of the Battery Innovation Center of Indiana (“BIC”) in the United States of America.
Increase in Energy Density for G+A CELLS since December ’25 Update
The GMG G+A CELLS have reportedly demonstrated superior performance characteristics when compared to a representative market leading ultra-fast charging batteries, the Lithium Titanate Oxide (“LTO”) batteries, which can be sold at a premium price of up to US$1200/kWh.
GRAPHERGIA project launches three demonstration cases to pilot graphene-based technologies
The Graphene Flagship project GRAPHERGIA has launched the piloting phase of its three demonstration cases implementing graphene-based technologies for energy harvesting and storage in real-life applications.
The demonstrators' development began in March 2026 and aims to validate cutting-edge solutions in smart self-charging textiles and next-generation lithium-ion batteries for applications in healthcare, aerospace, mobility, and wearable electronics.
Grapherry partners with University of Illinois Chicago to advance scalable graphene production for industry
Grapherry has entered a collaboration with the University of Illinois Chicago to advance scalable graphene manufacturing for industry.
A key part of this partnership revolves around testing the quality of the graphene produced at Grapherry for application-specific properties such as electrical conductivity and structural characteristics. The goal is to work together to accelerate materials validation, application development, and pathways to industrial deployment across sectors such as energy storage, construction, agriculture, and advanced composites.
Ambient laser process enables monolithic prelithiated silicon–graphene anodes
Researchers at Israel's Tel Aviv University recently demonstrated a single-step laser process that simultaneously fabricates and prelithiates silicon-graphene anodes under ambient conditions, delivering virtually zero capacity decay over thousands of high‑rate cycles. The method directly addresses two key problems of silicon anodes - large volume changes and first‑cycle lithium loss - without relying on reactive lithium metal, moisture‑sensitive reagents, or multi‑step ex situ prelithiation.
a Schematic overview of the single-step, ambient, and low-power laser irradiation process applied to a blend of Li salt, phenolic resin, and SiNPs for the synthesis of self-standing, porous, prelithiated PL-SiNP/LIG composite anodes. b Molecular-scale schematic with the proposed laser irradiation mechanism of the ternary blend, inducing LIG formation while concomitantly triggers in situ prelithiation and encapsulation of SiNPs. c Demonstration of prelithiated SiNP/LIG anode synthesis with large-area sheet formation, highlighting the scalability of the process. Image from: Nano-Micro Letters
The process starts from a ternary blend of phenolic resin, silicon nanoparticles (SiNPs), and a common lithium salt such as LiOH, Li₂CO₃, LiNO₃, LiF, or LiClO₄. Low‑power laser irradiation under ambient atmosphere generates localized temperatures above 2000 K and pressures exceeding 1 GPa, converting the resin into a porous, conductive laser‑induced graphene (LIG) matrix while driving solid‑state reactions that prelithiate the silicon surface and form stable interfacial phases. The result is a self‑standing, additive‑free SiNP/LIG film in which each nanoparticle retains a crystalline Si core for high capacity, wrapped by a ~10 nm lithium silicate shell that compensates first‑cycle lithium losses and chemically anchors the particles to the graphene scaffold.
