nimh Archives - Battery Design

Toyota Bipolar NiMh Hybrid Pack

October 9, 2026January 10, 2025 Nigel

The Toyota Bipolar NiMh hybrid pack was introduced in the Aqua in July 2021. This pack is smaller and lighter than the monopolar NiMh pack that has been used in variations across models and platforms. In this innovative battery, a cathode is applied to one side of a metal component called a current collector and … Read more

Toyota Prius Gen 2 Battery

September 23, 2026February 14, 2022 Nigel

As a battery design goes, the Toyota Prius Gen 2 Battery is rather inspirational, if just because of the number made. However, the modules are very neat in construction, it is air-cooled with waste cabin air and has been tested with a 159,000 miles on the clock with a SoH of >82%. This is an … Read more