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US firm’s 'cell-less' EV battery design could add 50% more range

US firm’s 'cell-less' EV battery design could add 50% more range
Source: interestingengineering
Author: @IntEngineering
Published: 10/5/2025

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US-based 24M Technologies has developed a novel "cell-less" battery design called Electrode-to-Pack (ETOP) that could enable electric vehicles (EVs) to travel up to 50% farther on a single charge without increasing battery size. Unlike traditional batteries that encase electrodes in individual cells and modules—adding inactive weight and volume—the ETOP system stacks sealed anode and cathode pairs directly into the battery pack. This approach increases the proportion of energy-storing materials from the typical 30-60% to as much as 80%, improving energy density while simplifying manufacturing and reducing costs. Combined with 24M’s proprietary safety and performance technologies, the ETOP platform aims to deliver safe, cost-effective batteries capable of 1,000-mile ranges. The innovation addresses the competitive pressure on US industries reliant on imported batteries by offering a domestic technology that promises higher energy density, design flexibility, and lower capital expenditure for manufacturers. Globally, battery research continues to advance, with new

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energybattery-technologyelectric-vehiclesEV-batteriesenergy-storagebattery-innovationmaterials-science