Petr Novak, Head of the Electrochemical Energy Storage Section, and co-author of this study. Source:Scanderbeg Sauer Photography
Media Releases Energy and Environment Lithium-ion batteries are high performance energy storage devices used in many commercial electronic appliances. Certainly, they can store a large amount of energy in a relatively small volume. They have also previously been widely believed to exhibit no memory effect. That's how experts call a deviation in the working voltage of the battery, caused by incomplete charging or discharging, that can lead to only part of the stored energy being available and an inability to determine the charge level of the battery reliably. Scientists at the Paul Scherrer Institute PSI, together with colleagues from the Toyota Research Laboratories in Japan have now however discovered that a widely-used type of lithium-ion battery has a memory effect. This discovery is of particularly high relevance for advances towards using lithium-ion batteries in the electric vehicle market. The work was published today in the scientific Many of our everyday devices that get their energy supply from a battery, whilst not always being as "smart” as they are described in the adverts, often come equipped with a kind of memory.
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