Global battery technology patent ranking

Are alternative battery chemistries getting more patents?

Between 2012-2021, the number of patent families filed in CPC class H01M10/054,13which relates to alternative battery chemistries, has steadily increased. The trends follow those seen for redox flow and solid-state battery technology, with a steady growth in the number of patent families filed in this class.

Does China have a future for lithium-ion batteries?

(Photo taken from CATL homepage) OSAKA -- China is increasing its presence in the race to develop replacements for the lithium-ion battery, a Nikkei analysis shows. A country-by-country tally of patents related to post-lithium-ion batteries over the past 10 years shows China in the lead, accounting for more than half of all patents.

Who are the top patent filers in the United States?

The top filers in the US, Canada, and Europe between 2017-2021 were US aerospace company Lockheed Martin (228 patent families) and Japanese company Sumitomo Electric Industries (433 patent families).

What are the trends in redox flow & solid-state battery technology?

The trends follow those seen for redox flow and solid-state battery technology, with a steady growth in the number of patent families filed in this class. Top filers include:14 United States:Toyota (150), Global Graphene Group Inc. (117), Panasonic (52)

Are RFBS a viable alternative to lithium-ion batteries?

In some applications, RFBs can also provide a safer, more durable, and more scalable alternative to lithium-ion batteries. Patent activity surrounding RFBs indicates that they are of increasing interest.

What are alternative battery chemistries?

For example, sodium and aluminium chemistries provide two potential alternatives to traditional lithium-based battery chemistries.10  One reason for the interest in alternative battery chemistries is based on supply chain issues relating to lithium and its co-metals nickel, cobalt, and manganese.