elleThermo

Opening up the future of energy

Tokyo, Japan · Founded 2023 · $2.5M raised

Headquarters
Tokyo
Employees
1–10
Founded
2023
Business Model
B2B
Total Funding
$2.5M
Last Round
$2.5M SeedSep 2024
Rounds
1

About

elleThermo, Ltd. is a Tokyo, Japan-based startup founded in 2023 that develops Semiconductor-Sensitized Thermal Cell (STC) technology, a solid-state approach to converting unused low-grade waste heat above room temperature directly into electricity. The company has demonstrated its technology in data center heat-recovery pilots, including a joint verification test with @Tokyo using waste heat from operating servers, and in an immersion cooling system with KDDI. elleThermo raised approximately $3 million from Keio Innovation Initiative to advance its thermoelectric materials.

Summary

elleThermo is a Climate Tech company based in Tokyo, Japan, founded in 2023. It has raised $2.5M in total across 1 round, most recently a $2.5M Seed round in Sep 2024. Investors include Keio Innovation Initiative, Sparks Asset Management and KDDI.

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Funding History

SeedSeed RoundSep 2024
$2.5M

Investors

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