Solid-State Batteries Discussed for Future Electric Vehicles

Tomás Díaz de la Rubia leverages expertise in technology commercialization and energy innovation to serve as a director for the strategy and operations service line of Deloitte Consulting, where he leads the innovation practice for company’s Energy and Resources industry sector practice. Extremely active in the technology and research communities, Tomás Díaz de la Rubia maintains connections with numerous professional organizations, including the Materials Research Society (MRS).

MRS recently published an article in the Energy Quarterly section of the MRS Bulletin that discussed the use of all-solid-state batteries in electric vehicles as a replacement for lithium-ion batteries that use liquid electrolytes. The article asserts that the presently used lithium-ion batteries offer some progress in the mission to slow global warming, but also include a high price and a limited driving range between charges. Along with these downsides, the article notes that lithium-ion batteries present a fire risk because of flammable organic electrolytes.

The article, titled Solid-State Batteries Enter EV Fray, proposes that a transition to solid-state batteries could reduce or eliminate the fire hazards related to liquid electrolytes. According to the article, research has yielded improvements, like a greater volumetric energy density that expands the driving range. All-solid-state batteries also offer a longer shelf and cycle life. The article also notes that Toyota is already working to use solid-state batteries in vehicles by the 2020s.

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