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Read our November issue

This month we look at reversibility of lithium-metal batteries, impact of micromobility, African energy systems, and more.

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    • Achieving high ionic conductivity at close to room temperature in solid oxide electrolytes is challenging due to the large thermal activation needed for ion transport. Now, a hydrogen-intercalated brownmillerite oxide, SrCoO2.5, has been shown to function as a high-performance proton conducting electrolyte for fuel cells below 200°C.

      • Ravindra Singh Bisht
      • Shriram Ramanathan
      News & Views
    • One of the biggest hurdles to realise high-performance Li-metal batteries is the instability of Li metal towards all relevant electrolytes. Now, an approach is reported to improve Li cells’ stability by upshifting the Li electrodes’ potential to reduce their voltage gap with the electrolyte electrochemical stability windows.

      • Doron Aurbach
      • Mikhael Levi
      • Netanel Shpigel
      News & Views
    • It is challenging to develop battery cathodes with both high performance and low cost. Now, an amorphous material based on cheap, earth-abundant elements is shown to achieve high capacity by undertaking both the intercalation and conversion reactions reversibly.

      • Byoungwoo Kang
      News & Views
    • A phase heterojunction (PHJ) solar cell is formed by interfacing two phases of the perovskite CsPbI3 — each of which exhibits different opto-electronic properties. Devices based on PHJs reach a maximum power conversion efficiency of 20.17%, surpassing the 15% achieved by devices based on either of the single phases alone.

      Research Briefing
    • Real-time tracking of the dynamic chemistry in commercial batteries by infrared fibre spectroscopy provides insight into the parasitic reactions that occur at the electrodes and in the electrolyte. This chemical-sensing method enables identification of chemical species and observation of Na(Li) inventory changes upon cycling, providing essential information for improving battery technology.

      Research Briefing
  • Lyndsey McMillon-Brown explores how to recognize burnout and actions that can be taken to prevent it in ourselves and our colleagues.

    • Lyndsey McMillon-Brown
    World View
  • Dr Mohammad Hadi Mohammadi, Council for At-Risk Academics Research Fellow at the University of Exeter, shares with Nature Energy their story about fleeing Afghanistan, settling down in the UK and their hope to return home one day.

    • Giulia Tregnago
    Q&A
  • Comprehensive and meaningful inclusion of marginalized communities within the research enterprise will be critical to ensuring an equitable, technology-informed, clean energy transition. We provide five key action items for government agencies and philanthropic institutions to operationalize the commitment to an equitable energy transition.

    • A. P. Ravikumar
    • E. Baker
    • M. Tuominen
    Comment
Thomas Phillips, Springer Nature

Clean energy innovation

On 21–23 September, Mission Innovation and the Clean Energy Ministerial will undertake joint ministerial meetings in Pittsburgh, USA for the Global Clean Energy Action Forum.
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