➀ An advancement in battery chemistry is promising smaller, lighter, and cheaper Li-ion cells without compromising performance at the end of life; ➁ Researchers from Argonne National Laboratory identify cathode hydrogenation as the primary cause of lithium battery degradation; ➂ Mitigating self-discharge could lead to a future of improved rechargeable batteries.

1. CEA-Leti has developed an X-ray diffraction module for faster airport baggage scanning. 2. The module uses small-angle X-ray diffraction signals to identify substances in luggage. 3. Smiths Detection has implemented this technology in its new SDX 10060 XDi scanner.