"Every year, TechCrunch's Startup Battlefield pitch contest draws thousands of applicants. We whittle those applications down to the top 200 contenders, and of them, the top 20 compete on the big stage to become the winner, taking home the Startup Battlefield Cup and a cash prize of $100,000. But the remaining 180 startups all blew us away as well in their respective categories and compete in their own pitch competition."
"What it does: AraBat has developed a recycling technology that recovers critical metals like nickel, cobalt, and others from spent lithium‑ion batteries. Why it's noteworthy: The company's process is bio-based, using plant waste like citrus peels rather than toxic chemicals. What it does: Aruna Revolution has developed a compostable natural fiber menstrual pad from agricultural by-products. Why it's noteworthy: Aruna has redesigned the menstrual pad into a product that works well yet still decomposes quickly and avoids plastic and harmful chemicals."
"What it does: CarbonBridge builds bioreactors for microbial gas fermentation that transforms waste gases like methane and CO₂ into valuable molecules. Why it's noteworthy: CarbonBridge says its technology is more efficient than other methods to synthesize molecules. What it does: Carbon Negative uses an AI-powered platform to turn industrial wastes and minerals into cement. Why it's noteworthy: The company says its cement can be used with standard equipment, making it affordable, yet its process transforms this major building material to become carbon negative."
Startup Battlefield 200 features 200 clean tech and energy startups; the top 20 compete for the Battlefield Cup and a $100,000 prize while the remaining 180 join a separate pitch competition. AraBat recovers critical metals like nickel and cobalt from spent lithium‑ion batteries using a bio-based process that leverages plant waste such as citrus peels instead of toxic chemicals. Aruna Revolution makes compostable natural-fiber menstrual pads from agricultural by-products that decompose quickly and avoid plastics. CarbonBridge builds bioreactors converting methane and CO₂ into valuable molecules. Carbon Negative uses an AI platform to turn industrial wastes and minerals into carbon-negative cement compatible with standard equipment. COI Energy operates a marketplace enabling enterprises to buy, sell, and share excess energy capacity with predictive insights.
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