Energy

Critical Minerals

Physical AI

Female Founders

Companies

Key Trends
Stage
Category
Top Location
Cohort
5QXT
HAX 2025

5QXT

Waste-to-value metal extraction from slags and battery waste using low-capex, low-water “Quantum Extraction” corrosion-based process.
Critical MineralsMaterialsManufacturing & Energy
HAX 2023

Cocoon

Decarbonising the hard-to-abate sectors of steel and cement
Climate TechDeep Tech 100EnergyMaterialsSeedManufacturing & EnergyUnited Kingdom
HAX 08

Kniterate

The digital knitting machine
Climate TechMaterialsPre-SeedHard TechIndustrial EquipmentUnited Kingdom
Nascent Materials
HAX 2024

Nascent Materials

Powering the energy transition with next-generation cathode materials
Climate TechCritical MineralsDeep Tech 100EnergyMaterialsSeedClimate TechEnergyManufacturing & EnergyMaterialsNewark, NJUnited States
HAX 2023

Princeton Critical Minerals

A cleantech startup boosting lithium production from brine sources
Climate TechCritical MineralsEnergyMaterialsSeries A(+)Manufacturing & EnergyNewark, New JerseyUnited States
HAX 2018

SepPure

The sustainable solution to industrial chemical separation
Climate TechDeep Tech 100MaterialsSeries A(+)Climate TechHard TechIndustrial EquipmentSingapore
HAX 2023

Silana

Revolutionizing the Fashion Industry with Deep Tech Robotics
Deep Tech 100MaterialsPhysical AISeedRoboticsAustria
HAX 2018

Smartex

Textile industry production defects reduced to zero
Climate TechDeep Tech 100MaterialsPhysical AISeries A(+)Climate TechHard TechIndustrial IoTSustainable ManufacturingPortugal
HAX 2022

Still Bright

Advancing the sustainable, economic, and domestic production of copper
Climate TechCritical MineralsDeep Tech 100EnergyMaterialsSeries A(+)Manufacturing & EnergyUnited States
HAX 11

unspun

Evolved apparel. Made just for you.
Climate TechDeep Tech 100Female FoundersMaterialsPhysical AISeries A(+)Climate TechHard TechIndustrial EquipmentSustainable ManufacturingUnited States