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Article
Persistent and partially mobile oxygen vacancies in Li-rich layered oxides
Increasing the energy density of layered oxide battery electrodes is challenging as accessing high states of delithiation often triggers voltage degradation and oxygen release. Here we utilize transmission-bas...
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Article
Li gradients for Li-rich cathodes
Develo** high capacity yet stable cathodes is key to advancing Li-ion battery technologies. Now, a new metal oxide cathode that is rich in Li with a gradient in Li concentration is shown to be stable to O2 rele...
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Article
Pathways for practical high-energy long-cycling lithium metal batteries
State-of-the-art lithium (Li)-ion batteries are approaching their specific energy limits yet are challenged by the ever-increasing demand of today’s energy storage and power applications, especially for electr...
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Article
Ultrafast narrowband exciton routing within layered perovskite nanoplatelets enables low-loss luminescent solar concentrators
In luminescent solar concentrator (LSC) systems, broadband solar energy is absorbed, down-converted and waveguided to the panel edges where peripheral photovoltaic cells convert the concentrated light to elect...
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Article
High-performance sodium–organic battery by realizing four-sodium storage in disodium rhodizonate
Sodium-ion batteries (SIBs) for grid-scale applications need active materials that combine a high energy density with sustainability. Given the high theoretical specific capacity 501 mAh g−1, and Earth abundance ...