Innovators

Technology

Tot. Funding, Stage

Major Investors*

Rechargeable Ni-Zn battery for emergency backup power

$36M, Series C

Helios Capital Ventures, Qiming Venture Partners

Metal-hydrogen batteries over wide temperature range for 2-12 hrs of storage

$112M, Series A

Schlumberger, Peter Lee

Long-duration (100-150 hrs) rechargeable iron-air batteries

$368M, Series D

ArcelorMittal, Energy Impact Partners, Breakthrough Energy Ventures

Li-ion fast DC charging for grid infrastructure and EV chargers

$105M, Series C

Riverstone Holdings, BP Ventures

Molten-salt batteries for wind and solar power systems

$211M, Series C

Reliance Industries, Khosla Ventures

Heat exchanger-based with superheated molten salt

$87M, Series B

Chevron Technology Ventures, Proman, Breakthrough Energy Ventures

Cell-level battery management system and inverter

$4.5M, Series A

Energy Innovation Capital, Clean Energy Finance Corporation

Medium duration (4-12 hrs) iron flow battery

$308M, SPAC

Bill Gates, SoftBank

* Non exhaustive list of companies

** Most stationary storage companies are venture-backed as opposed to strategic partnerships, partly due to the higher capex required, longer development time & longer time period for return

Extracted from the PDF; charts and images may read imperfectly.