Top 22 clean tech and energy startups from Disrupt Startup Battlefield

Every year, TechCrunch’s Startup Battlefield competition attracts thousands of applicants. We reduce those applications down to Top 200 competitorsAmong them, the top 20 compete on the big stage to become the winners, taking home the Startup Battlefield Cup and a $100,000 cash prize. But the remaining 180 startups all also impressed us in their own categories and competed in their own competition.

Here’s the full list of people selected for the Startup Battlefield 200 Clean Tech & Energy, plus a note on why they made it into the competition.

Vans

What does: AraBat has developed a recycling technology that recovers important metals such as nickel, cobalt and other spent lithium-ion batteries.

Why it’s noteworthy: The company’s process is based on bio-based processes, using plant waste such as citrus peels instead of toxic chemicals.

Aruna revolution

What does he do?Aruna Revolution has developed a menstrual pad made of biodegradable natural fibers from agricultural by-products.

Why it’s noteworthy: Aruna has redesigned menstrual pads into a product that works well but still decomposes quickly and avoids plastic and harmful chemicals.

Carbon bridge

What does: CarbonBridge builds microbial gas fermentation bioreactors that convert waste gases like methane and carbon dioxide into valuable molecules.

Why it’s noteworthy: CarbonBridge says its technology is more efficient than other methods of synthesizing molecules.

Carbon negative solutions

What does: Carbon Negative uses an AI-powered platform to convert industrial waste and minerals into cement.

Why it’s noteworthy: The company says its cement can be used with standard equipment, making it affordable, but its process turns this key building material carbon negative.

COI energy

What does: COI energy It operates a marketplace where companies can buy and sell excess energy capacity, as well as get better predictive insights into their energy needs.

Why it’s noteworthy: By allowing enterprise parks to share reserved energy allocations with each other, the company instantly optimizes grid utilization.

Coral

What does he do?: Coral offers an AI-powered carbon accounting management platform.

Why it’s noteworthy: It automates data collection and reporting on your energy footprint and uses blockchain technology to track and stay accountable for carbon credits.

Imobi

What does: Emobi offers an AI-powered cloud platform for general electric vehicle charging.

Why it’s noteworthy: The company’s service supports safe automatic charging of electric vehicle charging networks, even on older devices.

Iniji limited

What does he do?: EnyGy has invented a line of high-performance ultracapacitors, an energy storage device that falls somewhere between a traditional capacitor and a battery.

Why it’s noteworthy: The company makes its supercapacitors by combining activated carbon electrodes with an advanced electrolyte and claims that this boosts power density by up to double the capacity of alternatives, while remaining cost-effective.

Janeja innovation

What does: Ganiga offers an AI- and robotics-powered trash bin called Hoooly that recognizes and sorts recyclables.

Why is it noteworthy?: Ganiga sells Hoooly to enterprise campuses and industrial sites like airports to boost recycling rates, and provide analytics that aid in ESG reporting.

Gemini energy

What does: Gemini says it has developed fuel cell technology that can generate power on site, converting gas into electricity without combustion.

Why it’s noteworthy: The company markets its clean energy generator in data centers, and says its systems can be deployed in months versus the years needed to upgrade a traditional power grid.

Spiral Earth

What does: Helix Earth creates Earth products from liquid gas chemistry designed for spacecraft, including ultra-efficient HVAC and carbon capture systems.

Why it’s noteworthy: The company says its operations are more energy efficient while being affordable and can be retrofitted and installed on commercial rooftops.

energy

What does: HKG Energy has created the next generation silicon material for lithium-ion batteries.

Why it’s noteworthy: HKG says its technology increases battery performance by 80% but is up to 40% less expensive than those using traditional materials.

HomeBoost

What does: HomeBoost offers a do-it-yourself energy rating system that helps homeowners identify leaky windows and find rebate opportunities and other ways to lower their energy bills.

Why is it noteworthy?: Homeowners are shipped devices that, combined with a smartphone app, scan the home and then home energy experts review and produce the report.

Hewats

What does: HyWatts provides modular, on-site power generation systems for industrial applications.

Why it’s noteworthy: It calls its system Power-Plant-in-a-Box, which combines hydrogen storage and reversible fuel cells, in order to generate emissions-free off-grid electricity at much lower costs than battery storage.

It is better

What does he do?: Kaio Labs is developing CO₂ Conversion technologies to convert carbon dioxide waste into valuable chemicals such as carbon monoxide, formic acid and ethylene.

Why it’s noteworthy: Kaio uses an AI-powered workflow to automate detection, with the goal of extracting these chemicals in a cost-competitive manner.

Macrocycle Technologies

What does: MacroCycle has created a patented polyester textile recycling technology.

Why it’s noteworthy: Company Promises to make recycled plastic inexpensive As a virgin material through technology that separates desired synthetic fibers from textile waste.

Namu Robotics Company

What does: Namu Robotics provides tree planting robots geared toward reforestation projects.

Why it’s noteworthy: The world doesn’t have the resources to replant trees fast enough between the labor required and the terrain, so Namu’s technology promises to automate the process.

difficulty

What does: Naware offers an AI-powered robotic weed killer that attaches to lawn mowing equipment to kill weeds while mowing the lawn.

Why it’s noteworthy: Not only does it automatically detect weeds, but it also uses hot steam to kill them, instead of toxic herbicides.

Segura

What does: Segura offers a proprietary water quality testing method that provides almost instant results without the need to hire testing experts.

Why it’s noteworthy: Segura has created a test strip reminiscent of those used to monitor diabetes, and it’s easy to use.

ShellVive

What does: ShellVive has created a way to filter water by reusing oyster shells.

Why it’s noteworthy: ShellVive solutions take copious amounts of agricultural waste and discarded oyster shells and transform them into an environmentally friendly and affordable water purification material.

Energy whisper

What does: Whisper Energy is developing an original AI-powered sensor to improve the energy efficiency of commercial buildings.

Why it’s noteworthy: The company targets small and medium-sized buildings with its easy-to-install sensors and system as an affordable alternative to large-scale energy automation solutions.

mistakes

What does: Xatoms has created a photocatalyst – a light-activated chemical – that can remove bacteria, viruses, chemicals and heavy metals from contaminated water.

Why it’s noteworthy: The company uses artificial intelligence and quantum chemistry to find new water treatment chemicals.