Adden Energy ($5M to develop solid-state lithium battery for EVs fully charged in 3 min)

Adden Energy, an American battery company founded in 2021, develops innovative solid-state battery systems for use in future electric vehicles (EVs). The battery can fully charge in just 3 min with over 10,000-lifetime cycles. Adden Energy's next-gen battery technologies are designed to combat climate change and achieve breakthroughs in the EV industry.

Challenges: fast charging lithium battery

Today's commercially available lithium-ion batteries fall short of what’s needed: safe, long-lasting, and fast charging. Solid-state lithium metal batteries typically use non-flammable solid electrolytes that maintain good ionic conductivity at low temperatures, which would eliminate the most problematic aspect of lithium-ion battery safety and low-temperature performance.

The solid-state battery based on a lithium metal anode paired with  a single crystal LiNi0.8Mn0.1Co0.1O2 (NMC811) particle cathode is of great importance to mobile devices owing to their high capacity and energy density. EVs equipped with these batteries would be able to travel greater distances between charges and be recharged much more quickly than EVs with lithium ion batteries. Prior to their commercialization and practical applications, however, the stability and performance of solid-state lithium metal batteries must be  enhanced.

Adden Energy Technology

Adden Energy develops the technology that enables solid-state lithium metal batteries with high capacity, stable cycling, high-rate, and high current density capabilities, based on the new design principles for electrolytes, interfaces and devices within the framework of the mechanical constriction theory.

Adden Energy battery

The diagram below depicts the structure of Adden Energy’s rechargeable solid-state lithium metal battery. 

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