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
3DC showcases new 3D graphene nanomaterial for batteries at CES 2026
At CES 2026, Japanese startup 3DC showcased a new 3D graphene nanomaterial designed to improve fast-charging and high-power battery performance. The material, called Graphene MesoSponge (GMS), uses a porous, nanoscale structure that allows electrons to move more freely inside battery electrodes. Unlike flat graphene sheets, GMS forms a connected internal network, which 3DC says reduces resistance and improves charging efficiency.
Image credit: 3DC
Founded in 2022, 3DC is commercializing research that began nearly a decade earlier at Tohoku University. The company is backed by Open Innovation funding from Hyundai and is currently operating at pilot scale while working with global battery manufacturers.
Registration is now open for Graphene-Connect 2026! Join our flagship virtual graphene dedicated event in March 2026!
Graphene-Info is pleased to announce that registration is now open for Graphene-Connect 2026, our flagship two-day virtual event dedicated to graphene industrialization and innovation, taking place online on 11–12 March 2026, in collaboration with Techblick.
Graphene-Connect 2026, preliminary agenda
Graphene-Connect tickets start at our special early bird price of $400 (with discounts available for group passes).
Event overview
Graphene-Connect 2026 is the must-attend worldwide meeting place for the graphene industry, bringing together the full value chain from material producers to end users. The live online format combines a curated technical program with advanced networking tools and virtual exhibition spaces, designed to make remote participation feel as close as possible to an in‑person conference.
World-class agenda
The agenda is jointly curated by Graphene-Info and Techblick, with talks spanning graphene materials, production processes, electronics, energy storage, composites, sensors, filtration, anti-corrosion coatings, concrete, textiles, neural interfaces and more. The program mixes visionary keynotes, industrial case studies, metrology and standards updates, as well as deep-dive technical talks, ensuring relevance for both R&D experts and commercial decision-makers.
Global Graphene Group sells shares of Solidion Technology
Global Graphene Group has made a small sale of its shares in Solidion Technology, but it still holds a stake in the company. While the moves are worth noting, they do not seem to look like an exit or a loss of confidence by a major owner.
Global Graphene Group, which owns more than 10% of Solidion Technology (ticker: STI), sold a total of 1,318 shares in two small transactions earlier this month. These sales brought in about 10,374 dollars at prices around 7.87 dollars per share. After the sales, the group still holds about 1.74 million shares, so the sale is small compared with its overall position.
Graphene Manufacturing Group updates on progress with fast-charging graphene aluminium-ion battery
Graphene Manufacturing Group (GMG) has announced new test results for its graphene aluminium-ion battery, which the company says can recharge in roughly six minutes. GMG said the technology, known as the Graphene Aluminium-Ion Battery (G+AI), is being developed with the University of Queensland under a joint development agreement with Rio Tinto, with testing support from the Battery Innovation Center of Indiana in the US.
GMG reported that third-party testing by the Battery Innovation Center showed its current G+AI pouch cells achieved an energy density of 58 watt-hours per kilogram when charged in one hour and 26 watt-hours per kilogram when charged in six minutes. During six-minute fast charging, the cells reached 62% of capacity in 3.2 minutes and maintained performance over hundreds of cycles, according to the company. The cells had a nominal voltage of approximately 3.0 volts.
Talga Group announces successful capital raise to support next phase of anode production
Talga Group has announced the successful completion of a A$14.5 million (around US$10 million) share placement to institutional and sophisticated investors, along with the launch of a Share Purchase Plan (SPP) offering eligible shareholders in Australia, New Zealand, and Singapore the opportunity to participate and raise up to an additional A$5 million (about US$3.3 million).
The funds raised will be used to progress engineering work for a staged expansion to 5,000 tonnes per year of anode production, supported by Talga’s recently awarded A$13.35 million (almost US$9 million) Industriklivet grant from Sweden.
Solidion Technology to soon commercialize pouch cells for drones and unmanned aerial vehicles
Solidion Technology has announced that it is in the process of commercializing a pouch cell for specific use in industrial and military drones.
These pouch cells are said to have high power stability (a 9.5Ah pouch cell retains approximately 95% of capacity at 10c), which the Company says give sit a competitive edge, as most pouch cells on the market retain 78% of capacity at 5c, it claims.
Graphene-Info releases a new edition of its Graphene Batteries Market Report
Today we published a new edition of our Graphene Batteries Market Report, with all the latest information and updates from companies and researchers in the field. The batteries market is extremely active, as demand from EVs and mobile applications increases R&D efforts, and graphene is seen as a potential material to increase capacity, decrease charging times and improve other performance metrics.
Reading this report, you'll learn all about:
- The advantages of using graphene in batteries
- The different ways graphene can be used in batteries
- Various types of graphene materials
- What's on the market today
The report package also provides:
- A list of all graphene companies involved with batteries
- Detailed specifications of graphene-enhanced anode materials
- Personal contact details into most graphene developers
- Free updates for a year
This Graphene Batteries market report provides a great introduction to graphene materials used in the batteries market, and covers everything you need to know about graphene in this niche. This is a great guide for anyone involved with the battery market, nanomaterials, electric vehicles and mobile devices.
Solidion Technology unveils UPS battery system for AI data centers
Solidion Technology, an advanced battery technology solutions provider, has announced the development of a next-generation Uninterruptible Power Supply (UPS) system designed specifically for the rapidly expanding artificial intelligence (AI) data center market.
The new PEAK Series - short for Power, Energy, Anode, Knowledge - incorporates Solidion’s award-winning 5500 battery cell, which leverages the company’s proprietary silicon-carbon anode technology to deliver superior energy density, reliability, and cost efficiency. The technology seems to use graphene in its silicon-carbon anode technology.
NanoXplore secures funding from the Canadian government
NanoXplore has announced that it has received a contribution of up to CA$2.75 million (around US$1,920,000) from the Government of Canada under the Energy Innovation Program (EIP). This support will help advance the development of ultra high-power cylindrical format lithium-ion cells for defense and power tools.
The announcement was made by Canada's Minister of Energy and Natural Resources, as part of a broader investment supporting eight projects across the country. These projects are designed to accelerate battery innovation and expand domestic production capacity, positioning Canada as a global player in the clean energy transition.
Graphene-based molecular sieving separators enhance lithium–sulfur battery stability
Researchers from Purdue University, Vanderbilt University and University of Florida recently reported a graphene-based separator design that addresses critical limitations of lithium–sulfur (Li–S) batteries. While Li–S batteries promise higher energy densities and reduced weight compared to conventional lithium-ion systems, their practical use has long been hindered by the lithium polysulfide (LiPS) shuttling effect, which leads to severe capacity fading and poor cycle life. Traditional approaches, such as slurry-coating LiPS-adsorbing materials onto polypropylene (PP) separators, help mitigate shuttling but increase both mass and volume, thereby reducing the overall energy density of the system.
The research team instead used nanoporous atomically thin membranes (NATMs) composed of graphene, fabricated via chemical vapor deposition, as a lightweight and selective barrier. These graphene layers feature subnanometer pores (~0.7–1.0 nm) that allow the transport of solvated lithium ions (0.54–1.26 nm) while effectively blocking larger LiPS species (0.81–1.69 nm). Owing to their atomic thinness and negligible mass, the membranes function as molecular sieves that suppress polysulfide migration without introducing significant ionic resistance.
