Abstract
A picture of the challenges faced by the lithium-sulfur technology and the activities pursued by the research community to solve them is synthesized based on 1992 scientific articles. It is shown that, against its own advice of adopting a balanced approach to development, the community has instead focused work on the cathode. To help direct future work, key areas of neglected research are highlighted, including cell operation studies, modelling, anode, electrolyte and production methods, as well as development goals for real world target applications such as high altitude unmanned aerial vehicles.
Highlights
Lithium Sulfur (Li-S) batteries are one of the most promising generation battery technologies[1] due to their high theoretical energy density, low materials cost, and relative safety.[2]
Li-S technology is close to industrial production,[7] with a number of companies scaling up manufacturing capabilities for large capacity cells.[4,5]
We have reviewed almost two thousand articles to identify the major gaps in research and discussed how targeting them could speed up the development and adoption of Li-S technology
Summary
To identify the key areas of current Li-S research, 1992 articles were sourced from Google Scholar using the search term “lithium sulfur”. At this level of analysis, the results are similar to those reported previously.[31]. 60 review articles examined overall Li-S research and suggested areas for investigation.
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