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Date: 12-03-17

Lithium ion batteries turning cost-effective for stationary storage, as per Lux

Although Lithium ion batteries are popular in the mobile electronics area, but yet not recommended for storing energy for stationary energy storage requirements. The latest analysis from market researcher Lux Research reports Li-ion batteries will dominate the stationary energy storage market, though current generation flow battery technology has an economic case for certain very large and long-duration applications.

“Li-ion has a lower levelized cost of storage (LCOS) at most durations and system sizes, but the amount of space required starts to drive up costs at larger scales,” said Tim Grejtak, Lux Research Analyst and lead author of the report titled, “Future Costs of Stationary Energy Storage: Evaluating Li-ion and Flow Battery Cost Reductions and Application Fit.” “As a result, there’s an opportunity for emerging flow battery technology, which can change this landscape by driving down costs,” he added.

 

 

The findings shared by Lux Research includes:

  1. Li-ion retains cost edge. Li-ion beats the most popular vanadium-based flow battery technology on LCOS due to higher round-trip efficiency (83% vs. 65%). Li-ion also dominates the application space from 75 kW to 100 MW, and from 15 minutes of storage to eight hours, with costs above $0.37/kWh.
  2. New technology will change economics. New chemistries like Lockheed Martin’s metal complex chemistry, planned to debut in 2018, could make flow batteries competitive versus Li-ion batteries in the highly competitive 4-hour duration market, driving down costs of energy storage and opening up new markets. Current technology won’t get lower than $0.35/kWh.
  3. Diversification is key as price falls. Application stacking and multiple value streams will gain importance as energy storage costs fall to about $0.30/kWh by 2036. The lower cost will mean no single application market can bring enough revenue to make energy storage economically compelling.

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