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Mixing semiconductors and quantum tech with new composite

Researchers have identified a material that could integrate quantum devices into semiconductor technology, making electronic components significantly more ....

Vladimir Strocov , Tianlun Yu , John Wright , Paul Scherrer Institute , Cornell University , Synchrotron Light Source ,

Scientists Discover How Oxygen Loss Saps a Lithium-Ion Battery's Voltage


Scientists Discover How Oxygen Loss Saps a Lithium-Ion Battery’s Voltage
When lithium ions flow in and out of a battery electrode during charging and discharging, a tiny bit of oxygen seeps out and the battery’s voltage – a measure of how much energy it delivers – fades an equally tiny bit. The losses mount over time, and can eventually sap the battery’s energy storage capacity by 10-15%.
Now researchers have measured this super-slow process with unprecedented detail, showing  how the holes, or vacancies, left by escaping oxygen atoms change the electrode’s structure and chemistry and gradually reduce how much energy it can store. ....

Peter Csernica , Nature Energy , Department Of Energy , Stanford Institute For Materials , Renewable Energy , Energy Sciences , Vehicle Technologies Office , Office Of Science , Lawrence Berkeley National Laboratory Advanced Light Source , Office Of Energy Efficiency , Stanford University , National Accelerator Laboratory , Accelerator Laboratory , Stanford Phd , Associate Professor Will , Lawrence Berkeley National Laboratory , Advanced Light , Synchrotron Light Source , Stanford Institute , Advanced Light Source , Stanford Synchrotron Radiation Lightsource , Spallation Neutron Source , Oak Ridge National Laboratory , Energy Efficiency , Samsung Advanced Institute , Technology Global Research Outreach ,