GB/T 42847.3-2023 Energy storage systems using fuel cell modules in reverse mode—Part 3:Test procedures for the performance of energy storage systems

Scope

This document specifies a typical performance evaluation method for hydrogen-based electrical energy storage systems. This document is applicable to electrochemical reaction devices with electrolysis and power generation functions. This document is applicable to systems designed, applied, and operated in fixed (indoor and outdoor) scenarios.
Hydrogen-based electrical energy storage systems, the conceptual configuration of which is shown in Figures 1 and 2: Figure 1 shows a system independently equipped with an electrolysis cell module and a fuel cell module; Figure 2 shows a system equipped with a reversible battery module. Its essential components include an electrolysis cell, a hydrogen storage tank, a fuel cell, or a reversible battery, an oxygen storage tank, and an integrated management system (which may include pressure management). Its optional components include a storage battery, an oxygen storage tank, a thermal management system (which may include a heat storage tank), and a water management system (which may include a water tank). Its performance tests are conducted outside the scope of the solid line square (system boundary) shown in the figure.
Note: In this document, the term "reversible" does not refer to the thermodynamic meaning of an ideal process. In the field of fuel cells, the battery operation mode that alternates between fuel cell mode and electrolysis mode is usually referred to as "reversible".
This document is intended for data exchange between system manufacturers and customers in commercial transactions. Users of this document can select and perform appropriate test items according to their purposes in this document.

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