Do these 3 things before closing this tab:
1Clear out junk files and repair common Windows errors2Fix the driver behind crashes, sound loss and screen glitches3Repair Windows errors before they cause bigger problemsiTechGuides is reader-supported. When you buy through links on our site, we may earn an affiliate commission. As an Amazon Associate I earn from qualifying purchases. Learn more
A University of Birmingham team has reported a barium–niobium–calcium–iron oxide catalyst that splits water in a thermochemical cycle at lower temperatures than the ranges commonly reported for comparable catalyst systems. The best-performing formulation, called BNCF100, produced hydrogen at 150–500°C and was regenerated at 700–1000°C, according to the university’s 1 May 2026 announcement.
This is a laboratory-stage process, not a commercial hydrogen machine. Its appeal is the possibility of using heat that would otherwise be wasted at renewable-energy sites and industrial facilities. The reported 10-cycle durability result and a preliminary cost study are encouraging, but the announcement does not establish reactor performance, lifetime, efficiency, emissions, or a sale-ready product.
What the new hydrogen route actually is
The work concerns thermochemical water splitting. Instead of passing electricity through water, as an electrolyser does, the process uses a solid oxide catalyst and heat to separate water into hydrogen and oxygen through a repeating chemical cycle. It is also different from methane reforming, in which hydrogen is released from a hydrocarbon feedstock.
The catalyst family is based on a perovskite oxide containing barium, niobium, calcium and iron. The research paper identified by the university is titled “Remarkable thermochemical water-splitting on Ba2Ca0.66Nb1.34-xFexO6-δ perovskites at medium temperatures for hydrogen production” in the International Journal of Hydrogen Energy (DOI: 10.1016/j.ijhydene.2025.152637). The university says BNCF100 was the optimum formulation among the compositions examined.
#1 Best Overall
- Read Before You Buy — No Video Output: These adapters support charging and USB 2.0 data transfer, but cannot transmit video signals. Except for standard USB webcams (which use USB data only), they are not compatible with HDMI/DisplayPort cables, video-capable USB-C hubs, or docking stations with video output.
- Convert USB-A Ports to USB-C: Designed to connect USB-C earphones, cables, flash drives, card readers, and other USB-C accessories to standard USB-A ports. Plug-and-play with no drivers or software required.
- Aluminum Alloy Housing: Built with a sturdy aluminum alloy shell that aids in heat dissipation and protects against daily wear and scratches. Designed to maintain a stable and secure connection.
- Compact & Travel-Friendly: The ultra-compact design allows the adapter to stay plugged into your device without blocking adjacent ports or adding bulk, reducing wear and tear on your original USB ports.
- 12-Month Warranty: Backed by a 12-month manufacturer warranty for peace of mind. Designed to meet strict quality control standards for reliable everyday performance.
In a typical thermochemical cycle, a metal-oxide material is first heated so that its chemical state changes and oxygen is released. Water is then introduced at a lower temperature; the material takes oxygen back into its structure while releasing hydrogen. The material is regenerated and reused. The exact reactor geometry, gas flows, pressure, catalyst loading and sequence used for BNCF100 have not been published in the announcement, so those details should not be assumed from the general description of thermochemical cycles.
The temperature claim has two different parts
The headline “low temperature” result can be misunderstood unless production and regeneration are kept separate. The university reports the following operating ranges:
| Stage | BNCF result reported by the University of Birmingham | Comparison stated in the announcement |
|---|---|---|
| Hydrogen-production step | 150–500°C | Current catalysts are described as operating at 700–1000°C |
| Catalyst-regeneration step | 700–1000°C | Current catalysts are described as requiring 1300–1500°C for regeneration |
| Overall temperature message | The university summarizes the potential reduction as up to 500°C | This is a comparison of the reported ranges, not a single independently measured process temperature |
The 150–500°C figure refers to where hydrogen production was observed. The catalyst still requires a higher-temperature regeneration stage, reported as 700–1000°C. Calling the entire cycle a 150°C process would therefore be inaccurate. The university’s “500°C reduction” summary reflects the difference between the reported regeneration range and the 1300–1500°C range it gives for current catalyst systems.
Lower temperatures matter because heat losses, materials constraints and equipment costs generally become more manageable as peak temperature falls. They can also make more industrial waste-heat streams usable. However, temperature alone does not determine efficiency or cost. The amount of heat required per kilogram of hydrogen, how often the catalyst must be regenerated, the rate of hydrogen release and the method used to separate product gases are all decisive and have not been quantified in the announcement.
Rank #2
- 5-in-1 USB-C Hub: Experience comprehensive connectivity featuring a Power Delivery input, two USB-A 2.0 ports, a USB-A 3.0 port, and an HDMI port. (Note: The USB-C power delivery input port is only for connecting an external wall charger to power your laptop and cannot power peripheral devices.)
- 90W Pass-Through Charging: Achieve optimal charging with 90W pass-through power to your laptop, supported by a total input of 100W, with the hub reserving 10W for operational efficiency. (Note: Wall charger not included.)
- Quick Data Transfers: Accelerate your productivity with rapid data transfers using a high-speed 5Gbps USB 3.0 port and two 480Mbps USB 2.0 ports.
- 4K HDMI Display: Enhance your visual experience with a hub capable of delivering 4K resolution at 30Hz in both mirror and extend modes. Please note that this hub is compatible with MacBook (macOS 12 and newer), Windows 10 and 11, ChromeOS, and laptops equipped with DP Alt Mode and Power Delivery. Note: This device is not compatible with Linux.
- What You Get: Anker USB-C Hub (5-in-1, 4K HDMI), welcome guide, 18-month warranty, and our friendly customer service.
How BNCF fits into a thermochemical cycle
Water is the feedstock
The hydrogen atoms come from water. The cycle must prevent hydrogen and oxygen from mixing, because a combined stream can be explosive and cannot be sold as a separated product. Industrial systems normally use separate reaction zones, timed steps, gas sweeping or another separation strategy. The Birmingham announcement does not specify which arrangement was used in the laboratory work.
The perovskite stores and releases oxygen
Perovskite oxides are crystalline materials whose composition can accommodate changes in oxygen content. In this application, that oxygen mobility is used to make the solid catalyst alternately release oxygen and react with steam. BNCF refers to the elements in the material: barium (Ba), niobium (Nb), calcium (Ca) and iron (Fe). The “100” in BNCF100 identifies the formulation the team reported as optimal; the announcement does not provide a consumer-facing product specification or a commercial grade.
Heat replaces part of the electricity requirement
An electrolyser converts electrical energy directly into hydrogen and oxygen. A thermochemical system instead supplies heat to drive the catalyst through its chemical states. Electricity may still be needed for pumps, controls, water treatment and gas separation, but the central energy input is heat. That distinction is why the proposed applications focus on facilities with a dependable high-temperature heat source.
What the laboratory evidence shows—and does not show
Ten reported cycles
The university says BNCF retained its hydrogen-production capability over 10 cycles. X-ray diffraction reportedly showed little structural change during that test. This indicates that the crystal structure remained broadly stable for the experiment performed.
Rank #3
- Sleek 7-in-1 USB-C Hub: Features an HDMI port, two USB-A 3.0 ports, and a USB-C data port, each providing 5Gbps transfer speeds. It also includes a USB-C PD input port for charging up to 100W and dual SD and TF card slots, all in a compact design.
- Flawless 4K@60Hz Video with HDMI: Delivers exceptional clarity and smoothness with its 4K@60Hz HDMI port, making it ideal for high-definition presentations and entertainment. (Note: Only the HDMI port supports video projection; the USB-C port is for data transfer only.)
- Double Up on Efficiency: The two USB-A 3.0 ports and a USB-C port support a fast 5Gbps data rate, significantly boosting your transfer speeds and improving productivity.
- Fast and Reliable 85W Charging: Offers high-capacity, speedy charging for laptops up to 85W, so you spend less time tethered to an outlet and more time being productive.
- What You Get: Anker USB-C Hub (7-in-1), welcome guide, 18-month warranty, and our friendly customer service.
Ten cycles is an early durability check, not a commercial lifetime. A plant expected to run for years could require thousands of cycles, and performance can change because of sintering, contamination, mechanical attrition, impurities in water or thermal shock. The announcement gives no operating hours, hydrogen yield per cycle, catalyst mass, cycle duration or post-test activity measurement. Those missing values prevent a meaningful comparison with industrial catalyst lifetimes.
Missing performance numbers
The announcement does not state:
- hydrogen yield in grams or normal cubic metres per cycle;
- production rate per kilogram of catalyst;
- thermal-to-hydrogen efficiency or total energy consumption;
- operating pressure, steam quality or gas-flow rates;
- reactor dimensions, heat-transfer design or scale;
- oxygen purity, hydrogen purity or the separation method;
- lifecycle greenhouse-gas emissions; or
- the quantity and cost of BNCF needed for a given output.
Without these measurements, the temperature result should be read as a promising materials demonstration rather than proof of plant-level performance.
Where waste heat could make the process useful
The proposed deployment model is local hydrogen production beside a renewable-energy plant or an industrial site with usable heat. Professor Yulong Ding specifically identified steel, cement, glass and chemical facilities. In these settings, a thermochemical unit could potentially use heat that would otherwise be rejected, reducing the need to generate all process heat separately.
Quick wins for a faster PC:
Repair Windows errors before they cause bigger problemsFix Now →Fix the driver behind crashes, sound loss and screen glitchesFind Drivers →Clear out junk files and repair common Windows errorsFree Scan →Industrial sites
Steel, cement, glass and chemical plants often have hot exhaust gases, heated solids or other streams that leave the process above ambient temperature. The key question is not whether a site has “waste heat,” but whether that heat is available at the required temperature, continuously enough, and with a controllable profile. The BNCF production range of 150–500°C could match some lower-temperature streams, while the 700–1000°C regeneration step may require a hotter source, a heat-storage system or a supplementary heater.
Rank #4
- Dual Converters, Infinite Potential：Includes 2× USB C male to USB A female adapters and 2× USB A male to USB C female adapters. Perfect for a wide range of uses—tablets with Bluetooth keyboards, expand USB ports on macbook, and more. Two different converters for all your daily needs
- Next-Level 10Gbps & 3A Charging: No more slow 480Mbps, this usb to usb c adapter has a transfer speed of up to 10Gbps, allowing you to do more transferring in less time. This usb adapter fits both USB A and USB C charger, supporting up to 3A fast charging
- Upgraded Exquisite Craftsmanship: With an aluminum alloy housing and metal connector, the usbc to usb adapter is extremely durable and sturdy. Rigorously tested to withstand more than 10,000 times of plugging and unplugging, ensuring long-lasting performance
- Broad Compatible: The usb c to usb adapter widely supports all USB C/ USB A devices like laptops, tablets, cellphones, car chargers, and phone chargers. Such as compatible with MacBook Pro/Air 2023/2022, Thunderbolt 4/3 Devices,Apple MagSafe Watch 9/8/7/SE/Ultra, iPad Pro 2022/2021, Samsung Galaxy S23/S20/S10, and iPhone 17/16/15 Pro. Plug and play
- Please Note: To reach 10Gbps speed, keep the cable under 3.3 ft. For USB A Male to USB C adapters, try flipping the USB C connector. USB C Male to USB A adapters support bidirectional 10Gbps transfer within 3.3 ft
Renewable-energy facilities
A hydrogen unit next to a solar-thermal, geothermal or other renewable-energy installation could avoid transporting heat over long distances. Co-location with renewable electricity could also supply auxiliary power and any additional heat needed during regeneration. The announcement presents this as a potential use case, not as a deployed demonstration.
Why local production matters
Hydrogen is difficult to store and transport compared with many liquid fuels. Producing it near the point of use could reduce compression, liquefaction, pipeline or truck movements. That benefit would depend on the final hydrogen pressure and purity requirements, neither of which the university has reported.
How this compares with other hydrogen routes
The available announcement supports a limited comparison. It does not provide enough data to rank the routes on efficiency, emissions or delivered cost.
The Tool Desk
Outbyte Driver Updater FREEFix the driver behind crashes, sound loss and screen glitchesFind Drivers →Outbyte PC Repair FREERepair Windows errors before they cause bigger problemsFix Now →| Route | Primary feedstock or energy input | Temperature information available here | Carbon handling | Evidence maturity for this comparison |
|---|---|---|---|---|
| BNCF thermochemical splitting | Water plus heat; BNCF perovskite catalyst | Production 150–500°C; regeneration 700–1000°C | No carbon feedstock; lifecycle emissions not stated | Laboratory result, 10 reported cycles, preliminary economic analysis |
| Electrolysis (“green” hydrogen when powered by renewable electricity) | Water plus electricity | Not stated in the Birmingham announcement | No carbon feedstock; emissions depend on electricity source | Established commercial route, but no like-for-like figures supplied here |
| Methane reforming with carbon capture (“blue” hydrogen) | Natural gas plus process heat | Not stated in the Birmingham announcement | Carbon dioxide is produced and capture is required; project-specific emissions are not stated | Commercially deployed in some regions; no direct performance comparison supplied here |
| Higher-temperature thermochemical catalyst systems | Water plus heat and a recyclable oxide | The announcement cites 700–1000°C operation and 1300–1500°C regeneration for current catalysts | Carbon handling not stated | Used only as the temperature benchmark in the university comparison |
The University of Birmingham says a provisional techno-economic analysis found the BNCF route cost-competitive with green and blue hydrogen, with the greatest advantage expected in regions with low renewable-energy tariffs such as Australia. No numerical cost, discount rate, plant size, energy price, replacement schedule or independent validation is included in the announcement. “Cost-competitive” should therefore be treated as a preliminary model result, not a guaranteed price advantage.
Best Value
- 5-in-1 Connectivity: Equipped with a 4K HDMI port, a 5 Gbps USB-C data port, two 5 Gbps USB-A ports, and a USB C 100W PD-IN port. Note: The USB C 100W PD-IN port supports only charging and does not support data transfer devices such as headphones or speakers.
- Powerful Pass-Through Charging: Supports up to 85W pass-through charging so you can power up your laptop while you use the hub. Note: Pass-through charging requires a charger (not included). Note: To achieve full power for iPad, we recommend using a 45W wall charger.
- Transfer Files in Seconds: Move files to and from your laptop at speeds of up to 5 Gbps via the USB-C and USB-A data ports. Note: The USB C 5Gbps Data port does not support video output.
- HD Display: Connect to the HDMI port to stream or mirror content to an external monitor in resolutions of up to 4K@30Hz. Note: The USB-C ports do not support video output.
- What You Get: Anker 332 USB-C Hub (5-in-1), welcome guide, our worry-free 18-month warranty, and friendly customer service.
What would be needed before commercial deployment
- Publish full operating data. Independent readers need hydrogen yield, rate, efficiency, pressure, gas purity and heat demand for every cycle stage.
- Demonstrate continuous operation. A repeated batch test should be followed by a reactor that runs for substantially longer than 10 cycles and records degradation, downtime and maintenance.
- Test realistic heat sources. Experiments should use variable industrial exhaust or renewable heat, including start-up, shut-down and temperature fluctuations.
- Verify materials durability. Long-duration tests should examine sintering, phase changes, dusting, chemical contamination and catalyst recovery.
- Validate safety and separation. Hydrogen–oxygen segregation, leak detection, pressure control and emergency shutdown must be engineered at pilot scale.
- Rebuild the economic model transparently. The analysis should disclose capital costs, heat integration, catalyst replacement, water treatment, electricity use, financing assumptions and regional energy prices.
- Complete independent assessment. Lifecycle emissions, water use and performance should be checked by parties other than the developers before claims are generalized.
The university says it has filed a patent application, is commercialising the technology in the UK and Europe, and is seeking development partners. Those statements indicate an early commercialization effort; they do not identify a sales channel, operating plant or consumer product.
What the 95% fossil-hydrogen figure means
The university announcement attributes a figure of 95% of current hydrogen production relying on fossil fuels. The release does not identify the original statistical publisher, so that percentage should be treated as the university’s cited context rather than an independently verified number in this article. The broader point is that replacing fossil-derived hydrogen requires both low-carbon energy and a process that can operate reliably at industrial scale.
Practical interpretation for engineers and project developers
A site evaluating BNCF should begin with a heat audit, not a purchase order. Measure the temperature, flow, availability and contaminants of every candidate heat stream. Then compare those data with the separate production and regeneration requirements. A stream that can supply 300°C continuously may suit the hydrogen-production step but still be inadequate for regeneration without heat storage or an auxiliary heater.
Next, define the hydrogen user’s specification: pressure, purity, delivery pattern and maximum interruption. A process that produces hydrogen in a laboratory vessel may need compression, drying, purification and buffer storage before it can feed a steel furnace, chemical plant or fuel-cell system. Those balance-of-plant systems can dominate cost even when the catalyst itself is inexpensive.
Finally, treat the 10-cycle result as a screening signal. A sensible pilot contract would require agreed targets for availability, output, catalyst replacement, emissions and heat consumption, with independent measurement and a clear stop condition if the material degrades.
Bottom line
BNCF100 is a promising research-stage catalyst for thermochemical water splitting. The reported 150–500°C hydrogen-production range is substantially below the operating range cited for current catalyst systems, while regeneration is still reported at 700–1000°C. Ten cycles with little structural change and a preliminary cost model justify further pilot work, especially where industrial waste heat is available. They do not yet prove commercial efficiency, lifetime, cost or readiness, so the technology should be viewed as a candidate for development partnerships rather than an available hydrogen product.
Quick Recap
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply.
What’s actually slowing this PC down?
Pick the symptom - the matching free tool is one click away.
