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Company	Skeleton Technologies
Short Description	Manufacturer of graphene-based ultracapacitor energy storage solutions
Status	Private
Year Founded	2009
Industry Group	energy & power
Sector	energy storage
TRL Range	9
Country	Estonia
Nbr Employees	101-250
Revenue Range	$2m - $5m
Total Equity Capital Raised	$283.4M
Last Stage Capital Raised	Grant round of $18.9M 2025
Investors	Up Invest, Harju Elekter, FirstFloor Capital, European Investment Bank, EIT Innoenergy, MM Grupp, Adyen NV, Marubeni, German Federal Ministry of Economic Affairs and Energy, Free State of Saxony, Taavet Hinrikus, Startup Wise Guys, Nidoco AB, Bengt Wahlqvist, Siemens, CBMM

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Skeleton Technologies

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Short description

Manufacturer of graphene-based ultracapacitor energy storage solutions

Founded in 2009

Founded in

Company type Private Public ()

Company type

Industry Group energy & power

Sector energy storage

TRL Range 9

TRL 1	Basic research
TRL 2	Technology formulation
TRL 3	Applied research
TRL 4	Small scale prototype
TRL 5	Large scale prototype
TRL 6	Prototype system
TRL 7	Demonstration system
TRL 8	First of a kind commercial system
TRL 9	Full commercial application

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Headquarters Estonia Tallinn, Estonia

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Updated by at on 01/14/2025

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Taavi Madiberk

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8 partnerships
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13 financing events

29 investors

1 products

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Date		Company
		Can't find a company? Add a company Description 400/400 characters left Related press release or article about this deal Confirm relationship* (Enter the email address of your counterpart at this company so they can confirm your relationship!) Cancel Save
08/18/2022		Class8 Energy Class8 Energy Skeleton Technologies sign a $12.2 million contract to provide Class8 Energy with supercapacitor modules. Confirmed by Class8 Energy	Learn more	Delete

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08/18/2022

Class8 Energy Class8 Energy

Skeleton Technologies sign a $12.2 million contract to provide Class8 Energy with supercapacitor modules.

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	Can't find a partner? Add one Description 400/400 characters left Related press release or article about this deal Confirm relationship* (Enter the email address of your counterpart at this company so they can confirm your relationship!) Cancel Save
01/16/2024	Fraunhofer-Gesellschaft Fraunhofer-Gesellschaft Skeleton Technologies, AVL Deutschland and Fraunhofer-Gesellschaft have partnered to develop new combinations of lithium-ion batteries and supercapacitors. View source Confirmed by Fraunhofer-Gesellschaft	Development Partner	Delete

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02/21/2025	EIT Innoenergy EIT Innoenergy (1) Post-money valuation of The funding will be used to scale production (source)	Grant	$18,900,000	Delete

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Select Image	Description 400/400 characters left Cancel Save			US$/kW (current) US$/kWh (current) US$/kW (projected) US$/kWh (projected)
	SkelCap SCA0300 - SCA3200 The SkelCap industrial cells are available at 2,85 V from 300 to 3200 Farad cells, with a very low ESR . They have highest performance on the ultracapacitor market.	Wide Commercial Availability	Products - Retail	$/kW (current) $/kW (projected) $/kWh (current) $/kWh (projected)	Delete

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SkelCap SCA0300 - SCA3200

The SkelCap industrial cells are available at 2,85 V from 300 to 3200 Farad cells, with a very low ESR . They have highest performance on the ultracapacitor market.

Wide Commercial Availability

Products - Retail

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Manufacturer of graphene-based ultracapacitor energy storage solutions

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