Polyjoule

Developer of conductive polymer batteries for safe, scalable energy storage

placeBillerica, Massachusetts, United States calendar_todayFounded 2011 groups18 employees language polyjoule.com

Innovation

5 patent families (3 granted) — focus: Electricity & electronics, Chemistry & metallurgy; filing pace accelerating. Cited 280 times.

YearFilings
20141
20151
20171
20181
20191
20203
20213
20222
20231
20244
20253
20261

Social engagement

Social engagement: 3.8K social following, 9 posts in the last 12 months — below the industry typical range.

Investor mix

4 investors on record.

Investor typeCountShare
Venture capital125%
Accelerator & incubator250%
Other / undisclosed125%

Recent activity

22 Jun 2026
Event
NYC Solar + Storage Summit
17 Jun 2026
Event
Infocast Events Energy Storage Finance & Investment Summit
13 May 2026
Event
NY-BEST
Coming soon