News in brief from around the world in energy storage.

Energy Vault has become the latest startup with a novel, non-lithium battery energy storage technology to attract significant investment, raising US$100 million through a Series C funding round. 

Two startups seeking to disrupt the energy sector with novel long-duration energy storage technologies have formed partnerships with established industry players.

Nidec ASI has been announced as a supplier to energy storage start-up Energy Vault, providing motors and inverters to the company.