Liam Critchley

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August 18, 2026
What are the technology improvements of the 4th generation of LFP batteries, and what do they mean for BESS applications?
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August 5, 2026
Elestor claims its hydrogen-iron flow battery delivers 75%+ round-trip efficiency, a 20-25 year lifespan, and 15€/kWh capex for long-duration storage. 
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July 28, 2026
In this deep-dive, we go through and analyse all of the technical features and claims of CATL’s new sodium-ion grid-scale BESS product, including its ‘millisecond-level self-healing’.
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July 23, 2026
BESS has huge potential to be deployed alongside AI data centres, but how are industry players positioning themselves to capture this opportunity?
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July 16, 2026
We analyse recent details that have emerged on battery OEM CATL’s zero-degradation BESS technology, which was first announced two years ago.
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July 10, 2026
Liam Critchley takes a deep dive into battery state of health (SoH), one of the most important metrics for battery storage operational and lifecycle management.
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July 2, 2026
State of charge (SOC) is on the face of it a straightforward measurement for batteries and BESS. But in reality, it’s highly complex and under- or over-reporting still happens in the industry, leading to under-performance and losses in revenue.
June 10, 2026
We go through the main movers and shakers commercialising large-scale thermal energy storage technologies today.
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June 5, 2026
Liam Critchley examines the modelling, safety standards and analytics that aim to mitigate the risk of thermal runaway in lithium-ion battery energy storage systems (BESS).
June 3, 2026
Liam Critchley examines a selection of third-party technologies for preventing thermal runaway events in battery storage systems.

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