In a short, badly, worded, press release (PR), the South Korean company, SK Innovation, "will promote the commercialization of the carbon dioxide battery technology, which generates electricity and creates hydrogen using carbon dioxide." From the PR, it appears the battery is made of water and carbon dioxide, and works via some type of "electrochemical reaction."
From the description we can readWhen carbon dioxide is added to water, electrochemical reactions eliminate carbon dioxide, the main culprit behind climate change, generating electricity and hydrogen. This system elevates the conversion efficiency of carbon dioxide to about 60 percent.It is unclear how this is a "battery." The PR admits as much in the last paragraph.
If commercial feasibility is confirmed, SK Innovation will create a business together with Kim’s team.
SK Innovation to Verify Carbon Dioxide Battery Technology
http://www.businesskorea.co.kr/news/articleView.html?idxno=53606
By Choi Moon-hee - October 21, 2020
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