articleACS Energy LettersFeb 7, 2020Closed access

Controlling Dendrite Growth in Solid-State Electrolytes

HLHe LiuXCXin‐Bing ChengJHJia‐Qi HuangHYHong YuanYLYang Lu

Beijing Institute of Technology · Tsinghua University · +3 more institutions

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Abstract

Solid-state electrolytes (SSEs) are widely considered as an “enabler” to inhibit dendrite growth of lithium-metal anodes for high-energy and highly safe next-generation batteries. However, recent studies demonstrated that lithium dendrites form in working SSEs. Theoretically, dendrite inhibition can be achieved in perfect SSEs without any defects, while dendrite growth is extensively observed in practical SSEs with poor interface stability, large grain boundaries, voids, and partial electronic conductivity. In this Review, dendrite growth behaviors in SSEs, including polymer and inorganic electrolytes, are comprehensively summarized. The observed dendrite morphology in these SSEs, possible formation…

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Topics & keywords

Topics
Keywords
  • Dendrite (mathematics)
  • Materials science
  • Anode
  • Lithium metal
  • Electrolyte
  • Lithium (medication)
  • Nanotechnology
  • Chemistry
UN Sustainable Development Goals
  • Affordable and clean energy
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