IEEE 1679 and 1679.1

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Aging mechanism

A specific physical or chemical process that degrades a cell — SEI growth, lithium plating, particle cracking, transition-metal dissolution. Mechanisms are grouped into three modes: loss of lithium inventory, loss of active material and resistance increase.

IEC 62933

The IEC series for grid-integrated electrical energy storage systems, written at system level whatever the storage technology: part 2-1 defines unit parameters and test methods, part 5-1 gives general safety considerations, and part 5-2 adds safety requirements for battery-based systems over their whole life, from design to decommissioning.

IEEE 2030.2.1

IEEE’s guide, published in 2019, to the design, operation and maintenance of battery energy storage systems, stationary and mobile, integrated with the electric power system. It spans lead–acid, lithium-ion, flow and sodium–sulfur batteries and covers their grid connection alongside the batteries themselves.

IEEE 485

IEEE’s recommended practice for sizing stationary lead–acid batteries in float service: define the DC load as a duty cycle of currents over time, then choose the cell size and number that will carry it, with allowances for temperature, ageing and design margin. Charger sizing and other chemistries are outside its scope; the current revision dates from 2020.

Stationary storage

Batteries installed in a fixed place — a container at a solar farm, a cabinet in a home — to shift energy in time or support the grid. LFP cells dominate because cost per cycle and safety matter more than mass.

References & further reading

Further reading on this topic

These sources provide broader context; they are not presented as citations for every statement in this entry.

1. IEC 62619:2022 — Safety requirements for secondary lithium cells and batteries, for use in industrial applications

   International Electrotechnical Commission · 2022

   Topic background · Industrial and stationary lithium-battery safety scope; excludes road vehicles where their dedicated standard applies.

2. Energy Storage System Testing and Certification

   UL Solutions

   Topic background · System safety scope of UL 9540 and relationships to battery and power-conversion standards.