Wednesday, October 4, 2023
News Honda's Bold Move: 50% Lighter EV Batteries via Solid-State Tech

Honda’s Bold Move: 50% Lighter EV Batteries via Solid-State Tech

Honda’s strategy to achieve a 50% decrease in battery weight using solid-state technology could transform EV performance.


  • Honda aims for a groundbreaking 50% reduction in EV battery weight using solid-state technology.

  • Solid-state batteries offer quicker charging due to superior thermal stability, without compromising energy density.

  • Implementation of this strategy could lead to more efficient and high-performing EVs in the market.


Honda is embarking on a pioneering mission to reshape the electric vehicle landscape. The automaker is setting its sights on achieving an impressive 50% reduction in battery weight, driven by the potential of solid-state battery technology. This strategy marks a significant shift, as Honda prioritizes weight reduction and faster charging times over merely enlarging battery size to enhance range.


Jay Joseph, Vice President of Sustainability and Business Development at American Honda, emphasizes that addressing range concerns doesn’t solely rely on expanding battery capacity. Instead, Honda sees the solution in enhancing charging accessibility. Solid-state batteries, known for their heightened thermal stability, hold the key to quicker charging compared to traditional lithium-ion batteries. Honda is already in the proof-of-concept phase with solid-state batteries, aiming to achieve substantial weight reduction while improving EV range capabilities.


Shinji Aoyama, Executive Vice President and Global Electrification Chief at Honda, shared that solid-state batteries hold the potential to halve the weight of existing battery systems while doubling energy density. This translates to a consistent energy-to-weight ratio, offering the promise of improved efficiency without compromising the overall performance of EVs.

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Beyond their weight benefits, solid-state batteries also offer advantages in manufacturing efficiency. Unlike liquid electrolyte-based lithium-ion batteries that require complex pre-charging preparations, solid-state batteries can be produced more swiftly. This could lead to reduced production costs. However, transitioning to solid-state battery production requires adjustments in manufacturing facilities, presenting a unique set of challenges.

While Honda’s solid-state batteries are currently in the proof-of-concept phase, the automaker plans to move to pilot production in the coming year. If successful, this breakthrough could result in a remarkable 50% reduction in battery weight. This accomplishment could play a pivotal role in shaping the future development of EVs, enhancing Honda’s competitiveness in the dynamic EV market.

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