Edinburgh-based power storage options specialist StorTera has developed a long-lasting, energy-efficient, lithium-sulfur-based single liquid circulate battery (SLIQ). The expertise is claimed to final for 30 years with minimal degradation.
Edinburg-based startup StorTera has developed a liquid circulate battery (SLIQ), which is a novel, long-term renewable power storage system. It combines the benefits of lithium-ion expertise – that’s, excessive power density and quick response – with the advantages of circulate batteries, comparable to a low degree of storage prices.
“By integrating these ideas, we’ve got overcome the inherent limitations of the lithium sulfur battery which have prevented it from being efficiently commercialized at scale,” mentioned StorTera COO Brenda Park. pv journal.
With an power density of 250 Wh/L, SLIQ is acknowledged as essentially the most power dense circulate battery presently being developed.
“Resulting from its excessive power density, SLIQ can substitute current lithium expertise in any variety of functions whereas offering an extended life (as much as 30 years) with little degradation in effectivity,” mentioned Park.
The expertise is claimed to supply millisecond response occasions and as much as eight hours of power storage over 20 years and a minimal of seven,500 cycles. The system is claimed to supply higher security with out refrigeration necessities and excessive flash level supplies.
“We try to make it a really sustainable battery expertise, constructing a round economic system round it utilizing recovered or recycled uncooked supplies at any time when potential and by making them reusable as a lot as potential,” mentioned Park.
StorTera’s system works by pumping an energy-dense liquid via its proprietary membrane stack to supply long-term storage. The only fluid design means fewer system elements, whereas low-cost supplies and manufacturing methods additional contribute to value financial savings. StorTera has a acknowledged objective of reaching capital prices of roughly GBP 120 ($146.20)/kW and GBP 75/kWh by 2022, based on its web site.
“As it may well present a two-millisecond response time and long-term power storage, it’s properly suited to grid scale functions and/or integration with photo voltaic or wind farms,” mentioned Park. “Mixed with our clever management platform, SLIQ gives distinct benefits in industrial and industrial functions the place it may be optimized repeatedly based on grid and climate knowledge or by predicting demand peaks.”
In late November, StorTera secured round GBP 5 million from the UK authorities to assist construct a big, eight-hour SLIQ demonstrator, which will probably be put in in Edinburgh in 2024. The prototype SLIQ will use a novel cylindrical cell structure in a modular format to optimize system manufacturing, set up, and upkeep.
With a give attention to sustainability, the system will use recyclable supplies and wooden trade merchandise. On the finish of the mission, eight modular models will probably be mixed to construct a 200 kW/1.6 MWh demonstrator SLIQ.
“Whereas growing SLIQ, we supplied bespoke small and medium scale lithium ferro phosphate (LFP) battery methods built-in with our clever platform to public sector, home and industrial clients within the UK. We’re additionally piloting revolutionary sensible grids within the UK and Canada that exhibit the advantages that clever power storage can supply to clients,” mentioned Park. “Our industrial tasks pave the way in which for SLIQ when it’s commercialized within the subsequent few years.”
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